protected void Page_Load(object sender, EventArgs e)
{
if (Page.IsPostBack)
{
Page.Validate();
if (Page.IsValid)
{
string Adding_StudentFname = adding_studentfname.Text.ToString();
string Adding_StudentLname = adding_studentlname.Text.ToString();
string Adding_StudentNumber = adding_studentnumber.Text.ToString();
//string Adding_StudentEnrolmentDate = adding_studentenrolmentdate.Text.ToString();
Adding_Summary.InnerHtml = "You have added the following student in the system: <br>";
Adding_Summary.InnerHtml += "First Name: " + Adding_StudentFname + "<br>";
Adding_Summary.InnerHtml += "Last Name: " + Adding_StudentLname + "<br>";
Adding_Summary.InnerHtml += "Student Number: " + Adding_StudentNumber + "<br>";
Adding_Summary.InnerHtml += "Please go back to " + "<a href=\"ListStudents.aspx\">" + "Students page " + "</a>" + "to check.";
//Adding_Summary.InnerHtml += "Student Enrolment Date: " + Adding_StudentEnrolmentDate + "<br>";
string query = "insert into students (STUDENTFNAME, STUDENTLNAME, STUDENTNUMBER) values (";
query += "'" + Adding_StudentFname + "'" + ", ";
query += "'" + Adding_StudentLname + "'" + ", ";
query += "'" + Adding_StudentNumber + "'" + ")";
//query += "'" + Adding_StudentEnrolmentDate + "'" + ")";
sql_debugger.InnerHtml = query;
var db = new SCHOOLDB();
int add = db.Modify_Query(query);
List <Dictionary <String, String> > rs = db.List_Query(query);
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
bool valid = true;
string teacherid = Request.QueryString["teacherid"];
if (String.IsNullOrEmpty(teacherid))
{
valid = false;
}
if (valid)
{
var db = new SCHOOLDB();
Dictionary <String, String> teacher_record = db.FindTeacher(Int32.Parse(teacherid));
if (teacher_record.Count > 0)
{
teacher_fname_edit.InnerHtml = teacher_record["TEACHERFNAME"] + " " + teacher_record["TEACHERLNAME"];
}
else
{
valid = false;
}
}
if (!valid)
{
teacher.InnerHtml = "There was an error finding that teacher.";
}
teachersubmit_btn.PostBackUrl = "~/Listteachers.aspx";
}
protected void Page_Load(object sender, EventArgs e)
{
//declare what we are looking for
bool valid = true;
string class_id = Request.QueryString["classid"];
// validating if statements
if (String.IsNullOrEmpty(class_id))
{
valid = false;
}
if (valid)
{
var db = new SCHOOLDB();
Dictionary <String, String> class_info = db.FindClass(Int32.Parse(class_id));
if (class_info.Count > 0)
{
class_name.InnerHtml = class_info["CLASSNAME"];
class_code.InnerHtml = class_info["CLASSCODE"];
start_date.InnerHtml = class_info["STARTDATE"];
end_date.InnerHtml = class_info["FINISHDATE"];
}
else
{
valid = false;
}
}
if (!valid)
{
class_detail.InnerHtml = "There was an error finding that student.";
}
}
protected void Page_Load(object sender, EventArgs e)
{
bool valid = true;
string studentid = Request.QueryString["studentid"];
if (String.IsNullOrEmpty(studentid))
{
valid = false;
}
if (valid)
{
var db = new SCHOOLDB();
Dictionary <String, String> student_record = db.FindStudent(Int32.Parse(studentid));
if (student_record.Count > 0)
{
student_title_fname.InnerHtml = student_record["STUDENTFNAME"] + " " + student_record["STUDENTLNAME"];
}
else
{
valid = false;
}
}
if (!valid)
{
student.InnerHtml = "There was an error finding that student.";
}
studentsubmit_btn.PostBackUrl = "~/ShowStudent.aspx?studentid=" + studentid;
}
protected void Page_Load(object sender, EventArgs e)
{
/*
* An alternate way to fetch data without the SCHOOLDB.cs class
* https://dev.mysql.com/doc/connector-net/en/connector-net-tutorials-sql-command.html
*/
string query = "select * from students";
var db = new SCHOOLDB();
List <Dictionary <String, String> > rs = db.List_Query(query);
foreach (Dictionary <String, String> row in rs)
{
Button deleteButton = new Button();
deleteButton.ID = "deleteStudentWithID";
deleteButton.Text = "X";
students_result.InnerHtml += "<div class=\"listitem\">";
string studentfirstname = row["STUDENTFNAME"];
students_result.InnerHtml += "<div class=\"col5\">" + studentfirstname + "</div>";
string studentlastname = row["STUDENTLNAME"];
students_result.InnerHtml += "<div class=\"col5\">" + studentlastname + "</div>";
string studentnumber = row["STUDENTNUMBER"];
students_result.InnerHtml += "<div class=\"col5\">" + studentnumber + "</div>";
string enrolmentdate = row["ENROLMENTDATE"];
students_result.InnerHtml += "<div class=\"col5\">" + enrolmentdate + "</div>";
students_result.InnerHtml += "<div class=\"col5last\">" + "Update, Delete, View" + "</div>";
//students_result.InnerHtml += "<div class=\"col5last\">" + deleteButton.ClientID + "</div>";
students_result.InnerHtml += "</div>";
}
}
protected void Page_Load(object sender, EventArgs e)
{
bool valid = true;
string teacherid = Request.QueryString["teacherid"];
if (String.IsNullOrEmpty(teacherid))
{
valid = false;
}
if (valid)
{
var db = new SCHOOLDB();
Dictionary <String, String> teacher_record = db.FindTeacher(Int32.Parse(teacherid));
if (teacher_record.Count > 0)
{
teacher_title_fname.InnerHtml = teacher_record["TEACHERFNAME"] + " " + teacher_record["TEACHERLNAME"];
teacher_fname.InnerHtml = teacher_record["TEACHERFNAME"];
teacher_lname.InnerHtml = teacher_record["TEACHERLNAME"];
employee_number.InnerHtml = teacher_record["EMPLOYEENUMBER"];
hire_date.InnerHtml = teacher_record["HIREDATE"];
salary.InnerHtml = teacher_record["SALARY"];
}
else
{
valid = false;
}
}
//for the invalidate search input, show the error message:
if (!valid)
{
teacher.InnerHtml = "There was an error finding that teacher.";
}
}
protected void Page_Load(object sender, EventArgs e)
{
bool valid = true;
string studentid = Request.QueryString["studentid"];
if (String.IsNullOrEmpty(studentid))
{
valid = false;
}
//We will attempt to get the record we need
if (valid)
{
var db = new SCHOOLDB();
Dictionary <String, String> student_record = db.FindStudent(Int32.Parse(studentid));
if (student_record.Count > 0)
{
student_title_fname.InnerHtml = student_record["STUDENTFNAME"] + " " + student_record["STUDENTLNAME"];
student_fname.InnerHtml = student_record["STUDENTFNAME"];
student_lname.InnerHtml = student_record["STUDENTLNAME"];
student_number.InnerHtml = student_record["STUDENTNUMBER"];
enrolment_date.InnerHtml = student_record["ENROLMENTDATE"];
}
else
{
valid = false;
}
}
if (!valid)
{
student.InnerHtml = "There was an error finding that student.";
}
}
protected void Page_Load(object sender, EventArgs e)
{
/*
* An alternate way to fetch data without the SCHOOLDB.cs class
* https://dev.mysql.com/doc/connector-net/en/connector-net-tutorials-sql-command.html
*/
var db = new SCHOOLDB();
List <Dictionary <String, String> > rs = db.List_Query("select * from STUDENTS");
foreach (Dictionary <String, String> row in rs)
{
students_result.InnerHtml += "<div class=\"listitem\">";
string studentfirstname = row["STUDENTFNAME"];
students_result.InnerHtml += "<div class=\"col4\">" + studentfirstname + "</div>";
string studentlastname = row["STUDENTLNAME"];
students_result.InnerHtml += "<div class=\"col4\">" + studentlastname + "</div>";
string studentnumber = row["STUDENTNUMBER"];
students_result.InnerHtml += "<div class=\"col4\">" + studentnumber + "</div>";
string enrolmentdate = row["ENROLMENTDATE"];
students_result.InnerHtml += "<div class=\"col4last\">" + enrolmentdate + "</div>";
students_result.InnerHtml += "</div>";
}
}
protected void Page_Load(object sender, EventArgs e)
{
var db = new SCHOOLDB();
List <Dictionary <String, String> > rs = db.List_Query("select CLASSCODE, concat(teachers.teacherfname, ' ' , teachers.teacherlname) as 'Teacher', STARTDATE, FINISHDATE, CLASSNAME from classes join teachers on classes.TEACHERID = teachers.TEACHERID ");
foreach (Dictionary <String, String> row in rs)
{
classes_result.InnerHtml += "<div class=\"listitem\">";
string classcode = row["CLASSCODE"];
classes_result.InnerHtml += "<div class=\"col4\">" + classcode + "</div>";
string teacher = row["Teacher"];
classes_result.InnerHtml += "<div class=\"col4\">" + teacher + "</div>";
string startdate = row["STARTDATE"];
classes_result.InnerHtml += "<div class=\"col4\">" + startdate + "</div>";
string finishdate = row["FINISHDATE"];
classes_result.InnerHtml += "<div class=\"col4last\">" + finishdate + "</div>";
string classname = row["CLASSNAME"];
classes_result.InnerHtml += "<div class=\"col4\">" + classname + "</div>";
classes_result.InnerHtml += "</div>";
}
}
protected void Page_Load(object sender, EventArgs e)
{
string query = "select * from teachers";
var db = new SCHOOLDB();
List <Dictionary <String, String> > rs = db.List_Query(query);
foreach (Dictionary <String, String> row in rs)
{
teachers_list.InnerHtml += "<div class=\"listitem\">";
string teacherfirstname = row["TEACHERFNAME"];
teachers_list.InnerHtml += "<div class=\"col5\">" + teacherfirstname + "</div>";
string teacherlastname = row["TEACHERLNAME"];
teachers_list.InnerHtml += "<div class=\"col5\">" + teacherlastname + "</div>";
string employeenumber = row["EMPLOYEENUMBER"];
teachers_list.InnerHtml += "<div class=\"col5\">" + employeenumber + "</div>";
string hiredate = row["HIREDATE"];
teachers_list.InnerHtml += "<div class=\"col5\">" + hiredate + "</div>";
string salary = row["SALARY"];
teachers_list.InnerHtml += "<div class=\"col5last\">" + salary + "</div>";
teachers_list.InnerHtml += "</div>";
}
}
protected void Page_Load(object sender, EventArgs e)
{
teachers_result.InnerHtml = "";
string search = "";
if (Page.IsPostBack)
{
search = teacher_search.Text;
}
string query = "SELECT * FROM TEACHERS";
if (search != "")
{
query += " WHERE TEACHERFNAME LIKE '%" + search + "%' ";
query += " OR TEACHERLNAME LIKE '%" + search + "%' ";
query += " OR EMPLOYEENUMBER LIKE '%" + search + "%' ";
}
//sql_debugger.InnerHtml = query;
var db = new SCHOOLDB();
List <Dictionary <String, String> > rs = db.List_Query(query);
/*
* author: Christine ;
* site: https://github.com/christinebittle/crud_essentials ;
* date accessed: Nov 16 2019 ;
* using purpose: to access the school database;
*/
foreach (Dictionary <String, String> row in rs)
{
teachers_result.InnerHtml += "<div class=\"listitem\">";
string teacherid = row["TEACHERID"];
teachers_result.InnerHtml += "<div class=\"col7\">" + teacherid + "</div>";
string teacherfirstname = row["TEACHERFNAME"];
teachers_result.InnerHtml += "<div class=\"col7\"><a href=\"ShowTeacher.aspx?teacherid=" + teacherid + "\">" + teacherfirstname + "</a></div>";
string teacherlastname = row["TEACHERLNAME"];
teachers_result.InnerHtml += "<div class=\"col7\">" + teacherlastname + "</div>";
string employeenumber = row["EMPLOYEENUMBER"];
teachers_result.InnerHtml += "<div class=\"col7\">" + employeenumber + "</div>";
string hiredate = row["HIREDATE"];
teachers_result.InnerHtml += "<div class=\"col7\">" + hiredate + "</div>";
string salary = row["SALARY"];
teachers_result.InnerHtml += "<div class=\"col7\">" + salary + "</div>";
teachers_result.InnerHtml += "<div class=\"col7last\">" + "<a href=\"UpdateTeacher.aspx?teacherid=" + teacherid + "\"> Update </a>" + "<a href=\"DeleteTeacher.aspx?teacherid=" + teacherid + "\"> Delete </a>" + "<a href=\"ShowTeacher.aspx?teacherid=" + teacherid + "\"> View </a>" + "</div>";
teachers_result.InnerHtml += "</div>";
}
}
protected void Page_Load(object sender, EventArgs e)
{
//code created by Christine Bittle, modified by Christopher Jones, initially accessed on November 15th, 2019
//blanking results set, in case of search bar function rerunning rendering process
classes_result.InnerHtml = "";
//set the searchkey to be blank
string searchkey = "";
//if the page is postback, check to see if something was entered into the search field
if (Page.IsPostBack)
{
//this method opens up the risk of sql injection, but we will use it for the purpose of this assignment
searchkey = class_search.Text;
}
//set the default query to grab all columns from the CLASSES table
string query = "select CLASSES.*, CONCAT(teachers.teacherfname, ' ', teachers.teacherlname) as `teachers full name` from CLASSES inner join TEACHERS on CLASSES.teacherid = TEACHERS.teacherid";
//if the searchkey isn't a blank string, create a search query for 3 column conditions
if (searchkey != "")
{
query += " WHERE CLASSCODE like '%" + searchkey + "%' ";
query += " or CLASSNAME like '%" + searchkey + "%' ";
query += " or STARTDATE like '%" + searchkey + "%' ";
}
//create a rendering loop using Christine Bittle's design to output the data gathered from the database into a webpage
var db = new SCHOOLDB();
List <Dictionary <String, String> > rs = db.List_Query(query);
foreach (Dictionary <String, String> row in rs)
{
classes_result.InnerHtml += "<div class=\"listitem\">";
//grab the classid to act as a unique selector id, we do not need to render it
string classid = row["CLASSID"];
//grab the teacherid to act as the unique identifier for that as well
string teacherid = row["TEACHERID"];
string classcode = row["CLASSCODE"];
//create a link for a viewpage to view the class info on a different page
//classes_result.InnerHtml += "<div class=\"col6\"><a href=\"ShowClass.aspx?classid=" + classid + "\">" + classcode + "</a></div>";
classes_result.InnerHtml += "<div class=\"col6\">" + classcode + "</div>";
string teachername = row["teachers full name"];
//selector to view the teacher's page
classes_result.InnerHtml += "<div class=\"col6\"><a href=\"ShowTeacher.aspx?teacherid=" + teacherid + "\">" + teachername + "</a></div>";
string startdate = row["STARTDATE"];
classes_result.InnerHtml += "<div class=\"col6\">" + startdate + "</div>";
string finishdate = row["FINISHDATE"];
classes_result.InnerHtml += "<div class=\"col6\">" + finishdate + "</div>";
string classname = row["CLASSNAME"];
classes_result.InnerHtml += "<div class=\"col6\">" + classname + "</div>";
classes_result.InnerHtml += "<div class=\"col6last\">" + "<a href =\"UpdateClass.aspx?classid=" + classid + "\">" + "Update" + "</a>" + " " + " " + " " + "<a href =\"DeleteClass.aspx?classid=" + classid + "\">" + "Delete" + "</a>" + " " + " " + " " + "<a href=\"ShowClass.aspx?classid=" + classid + "\">" + "View" + "</a></div>";
classes_result.InnerHtml += "</div>";
}
}
protected void Page_Load(object sender, EventArgs e)
{
/*
* An alternate way to fetch data without the SCHOOLDB.cs class
* https://dev.mysql.com/doc/connector-net/en/connector-net-tutorials-sql-command.html
*/
//resets the result set window
students_result.InnerHtml = "";
string searchkey = "";
if (Page.IsPostBack)
{
//WARNING: This technique is vulnerable to SQL injections
//read more about SQL injections
//https://www.csoonline.com/article/3257429/what-is-sql-injection-how-sqli-attacks-work-and-how-to-prevent-them.html
//we will learn to defend against these attacks next semester
searchkey = student_search.Text;
}
string query = "select * from STUDENTS";
if (searchkey != "")
{
query += " WHERE STUDENTFNAME like '%" + searchkey + "%' ";
query += " or STUDENTLNAME like '%" + searchkey + "%' ";
query += " or STUDENTNUMBER like '%" + searchkey + "%' ";
}
//sql_debugger.InnerHtml = query;
var db = new SCHOOLDB();
List <Dictionary <String, String> > rs = db.List_Query(query);
foreach (Dictionary <String, String> row in rs)
{
students_result.InnerHtml += "<div class=\"listitem\">";
string studentid = row["STUDENTID"];
string studentfirstname = row["STUDENTFNAME"];
students_result.InnerHtml += "<div class=\"col4\"><a href=\"ShowStudent.aspx?studentid=" + studentid + "\">" + studentfirstname + "</a></div>";
string studentlastname = row["STUDENTLNAME"];
students_result.InnerHtml += "<div class=\"col4\">" + studentlastname + "</div>";
string studentnumber = row["STUDENTNUMBER"];
students_result.InnerHtml += "<div class=\"col4\">" + studentnumber + "</div>";
string enrolmentdate = row["ENROLMENTDATE"];
students_result.InnerHtml += "<div class=\"col4last\">" + enrolmentdate + "</div>";
students_result.InnerHtml += "</div>";
}
}
protected void Page_Load(object sender, EventArgs e)
{
class_results.InnerHtml = "";
string searchterm = "";
if (Page.IsPostBack)
{
searchterm = class_search.Text;
} //end Page.IsPostBack
string sqlquery = "select * from CLASSES";
if (searchterm != "")
{
sqlquery += " WHERE CLASSCODE like '%" + searchterm + "%' ";
sqlquery += " or CLASSNAME like '%" + searchterm + "%' ";
sqlquery += " or STARTDATE like '%" + searchterm + "%' ";
sqlquery += " or FINISHDATE like '%" + searchterm + "%' ";
}
sql_debugger.InnerHtml = sqlquery;
//declare new db
var db = new SCHOOLDB();
//SQL query
List <Dictionary <String, String> > rs = db.List_Query(sqlquery);
//get each result, add it to our list
foreach (Dictionary <String, String> row in rs)
{
//start the div
class_results.InnerHtml += "<div class=\"listitem\">";
//call the rows for data
string classid = row["CLASSID"];
string classname = row["CLASSNAME"];
class_results.InnerHtml += "<div class=\"col4\"><a href=\"ShowClasses.aspx?classid=" + classid + "\">" + classname + "</a></div>";
string classcode = row["CLASSCODE"];
class_results.InnerHtml += "<div class=\"col4\">" + classcode + "</div>";
string classstartdate = row["STARTDATE"];
class_results.InnerHtml += "<div class=\"col4\">" + classstartdate + "</div>";
string classenddate = row["FINISHDATE"];
class_results.InnerHtml += "<div class=\"col4last\">" + classenddate + "</div>";
//end the div
class_results.InnerHtml += "</div>";
} //end foreach
}
protected void Page_Load(object sender, EventArgs e)
{
teachers_result.InnerHtml = "";
string searchkey = "";
if (Page.IsPostBack)
{
searchkey = teacher_search.Text;
}
string query = "select * from TEACHERS";
if (searchkey != "")
{
query += " WHERE TEACHERFNAME like '%" + searchkey + "%' ";
query += " or TEACHERLNAME like '%" + searchkey + "%' ";
query += " or EMPLOYEENUMBER like '%" + searchkey + "%' ";
query += " or HIREDATE like '%" + searchkey + "%'";
query += " or SALARY like '%" + searchkey + "%'";
}
//sql_debugger.InnerHtml = query;
var db = new SCHOOLDB();
List <Dictionary <String, String> > rs = db.List_Query(query);
foreach (Dictionary <String, String> row in rs)
{
teachers_result.InnerHtml += "<div class=\"listitem\">";
string teacherid = row["TEACHERID"];
string teacherfirstname = row["TEACHERFNAME"];
teachers_result.InnerHtml += "<div class=\"col5\"><a href=\"ShowTeacher.aspx?teacherid=" + teacherid + "\">" + teacherfirstname + "</a></div>";
string teacherlastname = row["TEACHERLNAME"];
teachers_result.InnerHtml += "<div class=\"col5\">" + teacherlastname + "</div>";
string employeenumber = row["EMPLOYEENUMBER"];
teachers_result.InnerHtml += "<div class=\"col5\">" + employeenumber + "</div>";
string hiredate = row["HIREDATE"];
teachers_result.InnerHtml += "<div class=\"col5\">" + hiredate + "</div>";
string salary = row["SALARY"];
teachers_result.InnerHtml += "<div class=\"col5last\">" + salary + "</div>";
teachers_result.InnerHtml += "</div>";
}
}
protected void Page_Load(object sender, EventArgs e)
{
classes_result.InnerHtml = "";
string searchkey = "";
if (Page.IsPostBack)
{
searchkey = class_search.Text;
}
string query = "select * from CLASSES";
if (searchkey != "")
{
query += " WHERE CLASSCODE like '%" + searchkey + "%' ";
query += " or TEACHERID like '%" + searchkey + "%' ";
query += " or STARTDATE like '%" + searchkey + "%' ";
query += " or FINISHDATE like '%" + searchkey + "%' ";
query += " or CLASSNAME like '%" + searchkey + "%' ";
}
//sql_debugger.InnerHtml = query;
var db = new SCHOOLDB();
List <Dictionary <String, String> > rs = db.List_Query(query);
foreach (Dictionary <String, String> row in rs)
{
classes_result.InnerHtml += "<div class=\"listitem\">";
string classid = row["CLASSID"];
string classcode = row["CLASSCODE"];
classes_result.InnerHtml += "<div class=\"col5\"><a href=\"ShowClass.aspx?classid=" + classid + "\">" + classcode + "</a></div>";
string teacherid = row["TEACHERID"];
classes_result.InnerHtml += "<div class=\"col5\">" + teacherid + "</div>";
string startdate = row["STARTDATE"];
classes_result.InnerHtml += "<div class=\"col5\">" + startdate + "</div>";
string finishdate = row["FINISHDATE"];
classes_result.InnerHtml += "<div class=\"col5\">" + finishdate + "</div>";
string classname = row["CLASSNAME"];
classes_result.InnerHtml += "<div class=\"col5last\">" + classname + "</div>";
classes_result.InnerHtml += "</div>";
}
}
protected void Page_Load(object sender, EventArgs e)
{
bool valid = true;
string studentid = Request.QueryString["studentid"];
if (String.IsNullOrEmpty(studentid))
{
valid = false;
}
if (valid)
{
var db = new SCHOOLDB();
Dictionary <String, String> student_record = db.FindStudent(Int32.Parse(studentid));
if (student_record.Count > 0)
{
student_fullname.InnerHtml = student_record["STUDENTFNAME"] + " " + student_record["STUDENTLNAME"];
student_fname.InnerHtml = student_record["STUDENTFNAME"];
student_lname.InnerHtml = student_record["STUDENTLNAME"];
student_number.InnerHtml = student_record["STUDENTNUMBER"];
enrolment_date.InnerHtml = student_record["ENROLMENTDATE"];
}
else
{
valid = false;
}
if (Page.IsPostBack)
{
Page.Validate();
if (Page.IsValid)
{
deleting_summary.InnerHtml = "You have successfully deleted the following student: <br>";
deleting_summary.InnerHtml += "First name: " + student_fname.InnerHtml + "<br>";
deleting_summary.InnerHtml += "Last name: " + student_lname.InnerHtml + "<br>";
deleting_summary.InnerHtml += "Student number: " + student_number.InnerHtml + "<br>";
deleting_summary.InnerHtml += "Enrolment date: " + enrolment_date.InnerHtml + "<br>";
deleting_summary.InnerHtml += "Please go back to " + "<a href=\"ListStudents.aspx\">" + "Students page " + "</a>" + "to check.";
string query = "Delete from students where studentid = " + studentid;
sql_debugger.InnerHtml = query;
int delete = db.Modify_Query(query);
}
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
/*
* An alternate way to fetch data without the SCHOOLDB.cs class
* https://dev.mysql.com/doc/connector-net/en/connector-net-tutorials-sql-command.html
*/
students_result.InnerHtml = "";
string searchkey = "";
if (Page.IsPostBack)
{
searchkey = student_search.Text;
}
string query = "select * from STUDENTS";
if (searchkey != "")
{
query += " WHERE STUDENTFNAME like '%" + searchkey + "%' ";
query += " or STUDENTLNAME like '%" + searchkey + "%' ";
query += " or STUDENTNUMBER like '%" + searchkey + "%' ";
}
sql_debugger.InnerHtml = query;
var db = new SCHOOLDB();
List <Dictionary <String, String> > rs = db.List_Query(query);
foreach (Dictionary <String, String> row in rs)
{
students_result.InnerHtml += "<div class=\"listitem\">";
string studentid = row["STUDENTID"];
string studentfirstname = row["STUDENTFNAME"];
students_result.InnerHtml += "<div class=\"col4\"><a href=\"ShowStudent.aspx?studentid=" + studentid + "\">" + studentfirstname + "</a></div>";
string studentlastname = row["STUDENTLNAME"];
students_result.InnerHtml += "<div class=\"col4\">" + studentlastname + "</div>";
string studentnumber = row["STUDENTNUMBER"];
students_result.InnerHtml += "<div class=\"col4\">" + studentnumber + "</div>";
string enrolmentdate = row["ENROLMENTDATE"];
students_result.InnerHtml += "<div class=\"col4last\">" + enrolmentdate + "</div>";
students_result.InnerHtml += "</div>";
}
}
protected void Page_Load(object sender, EventArgs e)
{
bool valid = true;
string classid = Request.QueryString["classid"];
if (String.IsNullOrEmpty(classid))
{
valid = false;
}
if (valid)
{
var db = new SCHOOLDB();
Dictionary <String, String> class_record = db.FindClass(Int32.Parse(classid));
if (class_record.Count > 0)
{
class_title.InnerHtml = class_record["CLASSCODE"] + " " + class_record["CLASSNAME"];
class_code.InnerHtml = class_record["CLASSCODE"];
class_name.InnerHtml = class_record["CLASSNAME"];
class_start.InnerHtml = class_record["STARTDATE"];
class_finish.InnerHtml = class_record["FINISHDATE"];
//teacher_name.InnerHtml = class_record["concat(teachers.TEACHERFNAME, ' ', teachers.TEACHERLNAME)"];
}
string teacherid = class_record["TEACHERID"];
Dictionary <String, String> teacher_record = db.FindTeacher(Int32.Parse(teacherid));
if (teacher_record.Count > 0)
{
teacher_name.InnerHtml = teacher_record["TEACHERFNAME"] + " " + teacher_record["TEACHERLNAME"];
}
else
{
valid = false;
}
}
if (!valid)
{
class_div.InnerHtml = "There was an error finding that class";
}
}
protected void Page_Load(object sender, EventArgs e)
{
//using modification of code written by Christine Bittle for HTTP5101, modified on Nov. 18 2019 by Christopher Jones for educational purposes
bool valid = true;
string classid = Request.QueryString["classid"];
if (String.IsNullOrEmpty(classid))
{
valid = false;
}
//We will attempt to get the record we need
if (valid)
{
var db = new SCHOOLDB();
Dictionary <String, String> class_record = db.FindClass(Int32.Parse(classid));
if (class_record.Count > 0)
{
classcode_title.InnerHtml = class_record["CLASSCODE"];
classcode_display.InnerHtml = class_record["CLASSCODE"];
teacherid.InnerHtml = class_record["TEACHERID"];
startdate.InnerHtml = class_record["STARTDATE"].Substring(0, 10);
finishdate.InnerHtml = class_record["FINISHDATE"].Substring(0, 10);
classname.InnerHtml = class_record["CLASSNAME"];
if (Page.IsPostBack)
{
string query = "DELETE from `classes` where classid = " + classid;
var deletedb = new SCHOOLDB();
int delete = deletedb.Modify_Query(query);
Response.Redirect("~/ListClasses.aspx");
}
}
else
{
valid = false;
}
}
if (!valid)
{
schoolclass.InnerHtml = "There was an error finding that class.";
}
}
protected void Page_Load(object sender, EventArgs e)
{
bool valid = true;
string teacherid = Request.QueryString["teacherid"];
if (String.IsNullOrEmpty(teacherid))
{
valid = false;
}
if (valid)
{
var db = new SCHOOLDB();
Dictionary <String, String> teacher_record = db.FindTeacher(Int32.Parse(teacherid));
if (teacher_record.Count > 0)
{
teacher_fname.InnerHtml = teacher_record["TEACHERFNAME"];
teacher_lname.InnerHtml = teacher_record["TEACHERLNAME"];
teacher_employeenumber.InnerHtml = teacher_record["EMPLOYEENUMBER"];
teacher_hiredate.InnerHtml = teacher_record["HIREDATE"];
teacher_salary.InnerHtml = teacher_record["SALARY"];
}
else
{
valid = false;
}
if (Page.IsPostBack)
{
Page.Validate();
if (Page.IsValid)
{
delete_summary.InnerHtml = "The current teacher record has been deleted.";
}
}
}
/*
* author: Christine ;
* site: https://github.com/christinebittle/crud_essentials ;
* date accessed: Nov 18 2019 ;
* using purpose: to access the selected information from school database;
*/
}
protected void Page_Load(object sender, EventArgs e)
{
// clear result
student_result.InnerHtml = "";
// what user input
string searchkey = "";
if (Page.IsPostBack)
{
searchkey = student_search.Text;
}
// query
string query = "select * from STUDENTS";
if (searchkey != "")
{
query += " WHERE STUDENTFNAME like '%" + searchkey + "%' ";
query += " or STUDENTLNAME like '%" + searchkey + "%' ";
query += " or STUDENTNUMBER like '%" + searchkey + "%' ";
}
var db = new SCHOOLDB();
List <Dictionary <String, String> > rs = db.List_Query(query);
foreach (Dictionary <String, String> row in rs)
{
student_result.InnerHtml += "<div class=\"listitem\">";
string studentid = row["STUDENTID"];
string studentfirstname = row["STUDENTFNAME"];
string studentlastname = row["STUDENTLNAME"];
string studentfullname = studentfirstname + " " + studentlastname;
string studentnumber = row["STUDENTNUMBER"];
string enrolmentdate = row["ENROLMENTDATE"];
student_result.InnerHtml += "<div class=\"col3\"><a href=\"DetailPage.aspx?studentid=" + studentid + "\">" + studentfullname + "</a></div>";
student_result.InnerHtml += "<div class=\"col3\">" + studentnumber + "</div>";
student_result.InnerHtml += "<div class=\"col3last\">" + enrolmentdate + "</div>" + "</div>";
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (Page.IsPostBack)
{
Page.Validate();
if (Page.IsValid)
{
string ClassCode = classcode.Text.ToString();
string TeacherId = teacherid.Text.ToString();
string StartDate = startdate.Text.ToString();
string FinishDate = finishdate.Text.ToString();
string ClassName = classname.Text.ToString();
string query = "INSERT INTO classes (CLASSCODE, TEACHERID, STARTDATE, FINISHDATE, CLASSNAME) values ('" + ClassCode + "'," + TeacherId + ",'" + StartDate + "','" + FinishDate + "','" + ClassName + "');";
var db = new SCHOOLDB();
int add = db.Modify_Query(query);
Response.Redirect("~/ListClasses.aspx");
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
{
bool valid = true;
string teacherid = Request.QueryString["teacherid"];
if (String.IsNullOrEmpty(teacherid))
{
valid = false;
}
//We will attempt to get the record we need
if (valid)
{
var db = new SCHOOLDB();
Dictionary <String, String> teacher_record = db.FindTeacher(Int32.Parse(teacherid));
if (teacher_record.Count > 0)
{
teacher_title_fname.InnerHtml = teacher_record["TEACHERFNAME"] + " " + teacher_record["TEACHERLNAME"];
teacher_fname.InnerHtml = teacher_record["TEACHERFNAME"];
teacher_lname.InnerHtml = teacher_record["TEACHERLNAME"];
teacher_number.InnerHtml = teacher_record["EMPLOYEENUMBER"];
hire_date.InnerHtml = teacher_record["HIREDATE"];
Salary.InnerHtml = "$" + teacher_record["SALARY"] + " " + "CAD per hour";
}
else
{
valid = false;
}
}
if (!valid)
{
teacher.InnerHtml = "There was an error finding that teacher.";
}
teacheredit_btn.PostBackUrl = "~/TeacherEdit.aspx?teacherid=" + teacherid;
}
}
protected void Page_Load(object sender, EventArgs e)
{
bool valid = true;
string studentid = Request.QueryString["studentid"];
if (String.IsNullOrEmpty(studentid))
{
valid = false;
}
//We will attempt to get the record we need
if (valid)
{
var db = new SCHOOLDB();
Dictionary <String, String> student_record = db.FindStudent(Int32.Parse(studentid));
if (student_record.Count > 0)
{
student_title_fname.InnerHtml = student_record["STUDENTFNAME"] + " " + student_record["STUDENTLNAME"];
student_fname.InnerHtml = student_record["STUDENTFNAME"];
student_lname.InnerHtml = student_record["STUDENTLNAME"];
student_number.InnerHtml = student_record["STUDENTNUMBER"];
enrolment_date.InnerHtml = student_record["ENROLMENTDATE"];
}
else
{
valid = false;
}
}
if (!valid)
{
student.InnerHtml = "There was an error finding that student.";
}
/*https://stackoverflow.com/questions/23976683/asp-net-button-to-redirect-to-another-page */
studentedit_btn.PostBackUrl = "~/StudentEdit.aspx?studentid=" + studentid;
}
protected void Page_Load(object sender, EventArgs e)
{
//RESET RESULT SET
teachers_result.InnerHtml = "";
string searchkey = "";
if (Page.IsPostBack)
{
searchkey = teacher_search.Text;
}
string query = "select * from TEACHERS";
if (searchkey != "")
{
query += " WHERE LOWER(TEACHERFNAME) like '%" + searchkey + "%' ";
query += " OR LOWER(TEACHERLNAME) like '%" + searchkey + "%' ";
query += " OR LOWER(EMPLOYEENUMBER) like '%" + searchkey + "%' ";
query += " OR HIREDATE like '%" + searchkey + "%' ";
query += " OR SALARY like '%" + searchkey + "%' ";
}
// sql_debugger.InnerHtml = query;
// COMMENT OUT THE ABOVE LINE AFTER DEBUGGING COMPLETE
var db = new SCHOOLDB(); // call a database to run the query on
List <Dictionary <String, String> > rs = db.List_Query(query);
// running the query, running the List_Query function
// can run List_Query function on a class (SCHOOLDB();)
// rs is my result set
// row is synonymous to TEACHER (for context)
foreach (Dictionary <String, String> row in rs)
{
teachers_result.InnerHtml += "<div class=\"listitem\">";
// \ escaping ; to ensure that the quotations are captured in the HTML; in this particular case, single quotations would also work
string teacherid = row["TEACHERID"];
string teacherfirstname = row["TEACHERFNAME"];
teachers_result.InnerHtml += "<div class=\"col7\"><a href=\"ShowTeacher.aspx?teacherid=" + teacherid + "\">" + teacherfirstname + "</a></div>";
string teacherlastname = row["TEACHERLNAME"];
teachers_result.InnerHtml += "<div class=\"col7\">" + teacherlastname + "</div>";
string employeenumber = row["EMPLOYEENUMBER"];
teachers_result.InnerHtml += "<div class=\"col7\">" + employeenumber + "</div>";
string salary = row["SALARY"];
teachers_result.InnerHtml += "<div class=\"col7\">" + salary + "</div>";
string hiredate = row["HIREDATE"];
DateTime hiredatetime = Convert.ToDateTime(hiredate);
DateTime hiredateonly = hiredatetime.Date;
teachers_result.InnerHtml += "<div class=\"col7\">" + hiredateonly.ToString("d") + "</div>";
// SRC: HOW TO REMOVE TIME STAMP
// https://docs.microsoft.com/en-us/dotnet/api/system.datetime.date?redirectedfrom=MSDN&view=netframework-4.8#System_DateTime_Date
teachers_result.InnerHtml += "<div class=\"col7\"><div class=\"editbutton\">Edit</div></div>";
teachers_result.InnerHtml += "<div class=\"col7last\"><div class=\"deletebutton\">Delete</div></div>";
teachers_result.InnerHtml += "</div>";
}
}
protected void Page_Load(object sender, EventArgs e)
{
classes_header.InnerHtml = "";
classes_result.InnerHtml = "";
//This code is provided by Christine Bittle, modified by Paul Tran
bool valid = true;
string studentid = Request.QueryString["studentid"];
//string classid = Request.QueryString["classid"];
if (String.IsNullOrEmpty(studentid))
{
valid = false;
}
//We will attempt to get the record we need
if (valid)
{
var db = new SCHOOLDB();
Dictionary <String, String> student_record = db.FindStudent(Int32.Parse(studentid));
if (student_record.Count > 0)
{
student_title_fname.InnerHtml = student_record["STUDENTFNAME"] + " " + student_record["STUDENTLNAME"];
student_fname.InnerHtml = student_record["STUDENTFNAME"];
student_lname.InnerHtml = student_record["STUDENTLNAME"];
student_number.InnerHtml = student_record["STUDENTNUMBER"];
enrolment_date.InnerHtml = student_record["ENROLMENTDATE"];
//WHAT IF user want to see which class the student enrolled in
//enrolled_class.InnerHtml = "";
//string query = "SELECT classes.classname, classes.classcode from classes inner join studentsxclasses on classes.classid = studentsxclasses.classid inner join students on studentsxclasses.studentid = students.studentid where students.studentid = " + studentid;
if (Page.IsPostBack)
{
classes_header.InnerHtml = "<div class=\"listitem\"><div class=\"col4\">Class code</div><div class=\"col4\">Class name</div><div class=\"col4\">Start date</div><div class=\"col4last\">Finish date</div></div>";
string query = "SELECT classes.* from classes inner join studentsxclasses on classes.classid = studentsxclasses.classid inner join students on studentsxclasses.studentid = students.studentid where students.studentid =" + studentid;
List <Dictionary <String, String> > rs = db.List_Query(query);
foreach (Dictionary <String, String> row in rs)
{
classes_result.InnerHtml += "<div class=\"listitem\">";
string classid = row["CLASSID"];
string classcode = row["CLASSCODE"];
classes_result.InnerHtml += "<div class=\"col4\">" + classcode + "</div>";
string classname = row["CLASSNAME"];
classes_result.InnerHtml += "<div class=\"col4\">" + classname + "</div>";
string startdate = row["STARTDATE"];
classes_result.InnerHtml += "<div class=\"col4\">" + startdate + "</div>";
string finishdate = row["FINISHDATE"];
classes_result.InnerHtml += "<div class=\"col4last\">" + finishdate + "</div>";
classes_result.InnerHtml += "</div>";
//To test this, I add myself in the database and enrolled me in a class and the code actually show I am a student
}
}
}
else
{
valid = false;
}
}
if (!valid)
{
student.InnerHtml = "There was an error finding that student.";
}
}
protected void Page_Load(object sender, EventArgs e)
{
bool valid = true;
string classid = Request.QueryString["classid"];
if (String.IsNullOrEmpty(classid))
{
valid = false;
}
//We will attempt to get the record we need
if (valid)
{
var db = new SCHOOLDB();
Dictionary <String, String> class_record = db.FindClass(Int32.Parse(classid));
if (class_record.Count > 0)
{
class_title_name.InnerHtml = class_record["CLASSNAME"];
class_code.InnerHtml = class_record["CLASSCODE"];
teacher_id.InnerHtml = class_record["TEACHERID"];
start_date.InnerHtml = class_record["STARTDATE"];
finish_date.InnerHtml = class_record["FINISHDATE"];
class_name.InnerHtml = class_record["CLASSNAME"];
if (teacher_id.InnerHtml == "0")
{
teacher_id.InnerHtml = "Not assigned";
}
else if (teacher_id.InnerHtml == "1")
{
teacher_id.InnerHtml = "Alexander Bennett";
}
else if (teacher_id.InnerHtml == "2")
{
teacher_id.InnerHtml = "Caitlin Cummings";
}
else if (teacher_id.InnerHtml == "3")
{
teacher_id.InnerHtml = "Linda Chan";
}
else if (teacher_id.InnerHtml == "4")
{
teacher_id.InnerHtml = "Lauren Smith";
}
else if (teacher_id.InnerHtml == "5")
{
teacher_id.InnerHtml = "Jessica Morris";
}
else if (teacher_id.InnerHtml == "6")
{
teacher_id.InnerHtml = "Thomas Hawkins";
}
else if (teacher_id.InnerHtml == "7")
{
teacher_id.InnerHtml = "Shannon Barton";
}
else if (teacher_id.InnerHtml == "8")
{
teacher_id.InnerHtml = "Dana Ford";
}
else if (teacher_id.InnerHtml == "9")
{
teacher_id.InnerHtml = "Cody Holland";
}
else if (teacher_id.InnerHtml == "10")
{
teacher_id.InnerHtml = "John Taram";
}
else
{
teacher_id.InnerHtml = "There was a mistake finding teacher's name";
};
}
else
{
valid = false;
}
}
if (!valid)
{
class_class.InnerHtml = "There was an error finding that class.";
}
}
protected void Page_Load(object sender, EventArgs e)
{
// resets the result window
classes_result.InnerHtml = "";
string searchkey = "";
if (Page.IsPostBack)
{
searchkey = class_search.Text;
}
string query = "select CLASSCODE, concat(teachers.teacherfname, ' ', teachers.teacherlname) as TEACHERFULLNAME, STARTDATE, FINISHDATE, CLASSNAME, CLASSID from classes join teachers on classes.TEACHERID = teachers.TEACHERID ";
if (searchkey != "")
{
query += " WHERE LOWER(CLASSCODE) like '%" + searchkey + "%' ";
query += " OR LOWER(CLASSNAME) like '%" + searchkey + "%' ";
query += " OR LOWER(Concat(teachers.teacherfname, ' ', teachers.teacherlname)) like '%" + searchkey + "%' ";
query += " OR STARTDATE like '%" + searchkey + "%' ";
query += " OR FINISHDATE like '%" + searchkey + "%' ";
}
//sql_debugger.InnerHtml = query;
// COMMENT OUT THE ABOVE LINE AFTER DEBUGGING COMPLETE
var db = new SCHOOLDB();
List <Dictionary <String, String> > rs = db.List_Query(query);
foreach (Dictionary <String, String> row in rs)
{
classes_result.InnerHtml += "<div class=\"listitem\">";
string classid = row["CLASSID"];
string classcode = row["CLASSCODE"];
//classes_result.InnerHtml += "<div class=\"col7\">" + classcode + "</div>";
classes_result.InnerHtml += "<div class=\"col7\"><a href=\"ShowClass.aspx?classid=" + classid + "\">" + classcode + "</a></div>";
string classname = row["CLASSNAME"];
classes_result.InnerHtml += "<div class=\"col7\">" + classname + "</div>";
string teacher = row["TEACHERFULLNAME"];
classes_result.InnerHtml += "<div class=\"col7\">" + teacher + "</div>";
string startdate = row["STARTDATE"];
DateTime startdatetime = Convert.ToDateTime(startdate);
DateTime startdateonly = startdatetime.Date;
classes_result.InnerHtml += "<div class=\"col7\">" + startdateonly.ToString("d") + "</div>";
string finishdate = row["FINISHDATE"];
DateTime finishdatetime = Convert.ToDateTime(finishdate);
DateTime finishdateonly = finishdatetime.Date;
classes_result.InnerHtml += "<div class=\"col7\">" + finishdateonly.ToString("d") + "</div>";
// SRC: HOW TO REMOVE TIME STAMP
// https://docs.microsoft.com/en-us/dotnet/api/system.datetime.date?redirectedfrom=MSDN&view=netframework-4.8#System_DateTime_Date
classes_result.InnerHtml += "<div class=\"col7\"><div class=\"editbutton\">Edit</div></div>";
classes_result.InnerHtml += "<div class=\"col7last\"><div class=\"deletebutton\">Delete</div></div>";
classes_result.InnerHtml += "</div>";
}
}
protected void Page_Load(object sender, EventArgs e)
{
//using modification of code written by Christine Bittle for HTTP5101, modified on Nov. 18 2019 by Christopher Jones for educational purposes
bool valid = true;
string classid = Request.QueryString["classid"];
if (String.IsNullOrEmpty(classid))
{
valid = false;
}
//We will attempt to get the record we need
if (valid)
{
var db = new SCHOOLDB();
Dictionary <String, String> class_record = db.FindClass(Int32.Parse(classid));
if (class_record.Count > 0)
{
classcode_title.InnerHtml = class_record["CLASSCODE"];
classcode_display.InnerHtml = class_record["CLASSCODE"];
teacherid.InnerHtml = class_record["TEACHERID"];
startdate.InnerHtml = class_record["STARTDATE"].Substring(0, 10);
finishdate.InnerHtml = class_record["FINISHDATE"].Substring(0, 10);
classname.InnerHtml = class_record["CLASSNAME"];
if (Page.IsPostBack)
{
string ClassCode = new_classcode.Text.ToString();
string TeacherId = new_teacherid.Text.ToString();
string StartDate = new_startdate.Text.ToString();
string FinishDate = new_finishdate.Text.ToString();
string ClassName = new_classname.Text.ToString();
//should probably do the handling with a function or a loop (nesting the data within a list and incremeting to check for blank input)
if (ClassCode == "")
{
ClassCode = class_record["CLASSCODE"];
}
if (TeacherId == "")
{
TeacherId = class_record["TEACHERID"];
}
if (StartDate == "")
{
StartDate = class_record["STARTDATE"].Substring(0, 10);
}
if (FinishDate == "")
{
FinishDate = class_record["FINISHDATE"].Substring(0, 10);
}
if (ClassName == "")
{
ClassName = class_record["CLASSNAME"];
}
string query = "UPDATE classes SET CLASSCODE ='" + ClassCode + "', TEACHERID =" + TeacherId + ", STARTDATE='" + StartDate + "', FINISHDATE='" + FinishDate + "', CLASSNAME='" + ClassName + "' WHERE CLASSID = " + classid;
var edit = new SCHOOLDB();
int add = edit.Modify_Query(query);
Response.Redirect("~/ShowClass.aspx?classid=" + classid);
}
}
else
{
valid = false;
}
}
if (!valid)
{
schoolclass.InnerHtml = "There was an error finding that class.";
}
}