public Registration_and_Marks()
{
student = new Student();
marks = new Marks();
course = new Course();
session = new Session();
}
private void InsertButton_Click(object sender, EventArgs e)
{
int deleteFailureCounter = 0, updateFailureCounter = 0, insertFailureCounter = 0;
for (int i = 0; i < dataGridView1.RowCount - 1; i++)
{
if ((UpdateType)dataGridView1.Rows[i].Tag == UpdateType.Delete)
{
if (!Course.Delete((int?)dataGridView1["courseIDColumn",i].Value))
{
deleteFailureCounter++;
}
}
else if ((UpdateType)dataGridView1.Rows[i].Tag == UpdateType.Insert)
{
Course course = new Course();
course.Prefix = (string)dataGridView1["CoursePrefixColumn", i].Value;
course.Title = (string)dataGridView1["CourseTitleColumn", i].Value;
course.Is_Optional = (bool?)dataGridView1["IsOptionalColumn", i].Value;
string CourseNumber = (string)dataGridView1["courseNumberColumn", i].Value;
if (CourseNumber.Length == 4)
{
int courseYear = int.Parse(CourseNumber[0].ToString());
if (courseYear > 0 && courseYear <= 4)
{
int courseTerm = int.Parse(CourseNumber[1].ToString());
if (courseTerm > 0 && courseTerm <= 2)
{
course.Year = courseYear;
course.Term = courseTerm;
course.Course_No = CourseNumber.Substring(2, 2);
try
{
course.Credit = (decimal?)decimal.Parse("0" + dataGridView1["CreditHourColumn", i].Value.ToString());
if (!course.Insert())
{
insertFailureCounter++;
}
courseList.Add(course);
dataGridView1.Rows[i].Tag = UpdateType.Update;
}
catch {
insertFailureCounter++;
}
}
else
insertFailureCounter++;
}
else
insertFailureCounter++;
}
else
insertFailureCounter++;
}
else if ((UpdateType)dataGridView1.Rows[i].Tag == UpdateType.Update)
{
Course course = courseList[i];
course.ID = (int?)dataGridView1["CourseIDColumn", i].Value;
course.Prefix = (string)dataGridView1["CoursePrefixColumn", i].Value;
course.Title = (string)dataGridView1["CourseTitleColumn", i].Value;
course.Is_Optional = (bool?)dataGridView1["IsOptionalColumn", i].Value;
string CourseNumber = (string)dataGridView1["courseNumberColumn", i].Value;
if (CourseNumber.Length == 4)
{
int courseYear = int.Parse(CourseNumber[0].ToString());
if (courseYear > 0 && courseYear <= 4)
{
int courseTerm = int.Parse(CourseNumber[1].ToString());
if (courseTerm > 0 && courseTerm <= 2)
{
course.Year = courseYear;
course.Term = courseTerm;
course.Course_No = CourseNumber.Substring(2, 2);
try
{
course.Credit = (decimal?)decimal.Parse("0" + dataGridView1["CreditHourColumn", i].Value.ToString());
if (!course.Update())
{
updateFailureCounter++;
}
}
catch
{
updateFailureCounter++;
}
}
else
updateFailureCounter++;
}
else
updateFailureCounter++;
}
else
updateFailureCounter++;
}
}
if (updateFailureCounter == 0 && deleteFailureCounter == 0 && insertFailureCounter == 0)
MessageBox.Show("Updated Successfully");
else
{
string s = "";
if(deleteFailureCounter != 0)
s+=deleteFailureCounter + " rows failed to delete.\r\n";
if(updateFailureCounter != 0)
s += updateFailureCounter + " rows failed to update.Pssible Reason is Duplicate/Invalid Course Number or Invalid Credit Hour\r\n";
if(insertFailureCounter != 0)
s += insertFailureCounter + " rows failed to Insert. Pssible Reason is Duplicate/Invalid Course Number or Invalid Credit Hour";
MessageBox.Show(s);
}
}
public static List<Registration_and_Marks> getAllRegistrationList(int? sessionID, string batch, int? year, int? term, int? courseID, int? stdID)
{
OleDbConnection connection = new OleDbConnection(global::ResultManagement.Properties.Settings.Default.ConnectionString);
/*string cmdStr = @"SELECT
[session].ID as SessionID, [session].sessionName,
Student.ID as StdID, Student.Batch, Student.Roll, Student.St_Name,
Registered_Session.ID as registered_session_ID, Registered_Session.Reg_Year, Registered_Session.Reg_Term,
Registration_and_Marks.ID as MarksID, Registration_and_Marks.is_Retake, Registration_and_Marks.Attendence,
Registration_and_Marks.CT_or_Viva,Registration_and_Marks.SA_or_SecA, Registration_and_Marks.SecB,
Course.ID as CourseID, Course.Course_Prefix, Course.Course_Year, Course.Course_Term,
Course.Course_No, Course.Credit, Course.Title, Course.is_Optional
FROM [Session],Student,Registered_Session,Registration_and_Marks,Course
WHERE
[Session].ID = Registered_Session.Sess_ID AND
Student.ID = Registered_Session.Std_ID AND
Registered_Session.ID = Registration_and_Marks.Reg_Sess_ID AND
Registration_and_Marks.Course_ID = Course.ID";*/
string cmdStr = @"SELECT
SessionID, sessionName,
StdID, Batch, Roll, St_Name,
registered_session_ID, Reg_Year, Reg_Term,
MarksID, is_Retake, Attendence,CT_or_Viva,SA_or_SecA, SecB,
CourseID, Course_Prefix, Course_Year, Course_Term,Course_No,Credit, Title, is_Optional
FROM
(SELECT [session].ID as SessionID, [session].sessionName,
Student.ID as StdID, Student.Batch, Student.Roll, Student.St_Name,
Registered_Session.ID as registered_session_ID, Registered_Session.Reg_Year, Registered_Session.Reg_Term
FROM Student INNER JOIN
([Session] INNER JOIN Registered_Session ON
[Session].ID=Registered_Session.Sess_ID) ON
Student.ID=Registered_Session.Std_ID) AS T1
LEFT JOIN
(SELECT Registration_and_Marks.ID as MarksID, Registration_and_Marks.Reg_Sess_ID, Registration_and_Marks.is_Retake, Registration_and_Marks.Attendence,
Registration_and_Marks.CT_or_Viva,Registration_and_Marks.SA_or_SecA, Registration_and_Marks.SecB,
Course.ID as CourseID, Course.Course_Prefix, Course.Course_Year, Course.Course_Term,
Course.Course_No, Course.Credit, Course.Title, Course.is_Optional
FROM Course INNER JOIN
Registration_and_Marks ON
Course.ID=Registration_and_Marks.Course_ID) AS T2
ON T1.registered_session_ID=T2.Reg_Sess_ID
WHERE 1 ";
if (sessionID != null)
{
cmdStr += @" AND SessionID = " + sessionID;
}
if (batch != null)
{
cmdStr += @" AND Batch = '" + batch + "'";
}
if (year != null)
{
cmdStr += @" AND Reg_Year = " + year;
}
if (term != null)
{
cmdStr += @" AND Reg_Term = " + term;
}
if(courseID != null)
{
cmdStr += @" AND CourseID = " + courseID;
}
if (stdID != null)
{
cmdStr += @" AND StdID = " + stdID;
}
cmdStr += @" ORDER BY registered_session_ID, StdID, reg_year, reg_term, course_year desc, course_term desc, course_no, course_prefix";
OleDbCommand cmd = new OleDbCommand(cmdStr, connection);
List<Registration_and_Marks> registration_and_MarksList = new List<Registration_and_Marks>();
try
{
connection.Open();
OleDbDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
Registration_and_Marks regisTration_and_Marks = new Registration_and_Marks();
regisTration_and_Marks.Registered_Session_ID = (int)reader.GetValue(reader.GetOrdinal("registered_session_ID"));
regisTration_and_Marks.Reg_Year = (int)reader.GetValue(reader.GetOrdinal("Reg_Year"));
regisTration_and_Marks.Reg_Term = (int)reader.GetValue(reader.GetOrdinal("Reg_Term"));
Session session = new Session();
session.SessionID = (int)reader.GetValue(reader.GetOrdinal("SessionID"));
session.SessionName = (string)reader.GetValue(reader.GetOrdinal("SessionName"));
regisTration_and_Marks.Session = session;
Student student = new Student();
student.Batch = (string)reader.GetValue(reader.GetOrdinal("Batch"));
student.StudentId = (int)reader.GetValue(reader.GetOrdinal("StdID"));
student.Roll = (string)reader.GetValue(reader.GetOrdinal("Roll"));
student.Name = (string)reader.GetValue(reader.GetOrdinal("St_Name"));
regisTration_and_Marks.Student = student;
Course course = new Course();
try
{
course.ID = (int?)reader.GetValue(reader.GetOrdinal("CourseID"));
course.Prefix = (string)reader.GetValue(reader.GetOrdinal("Course_Prefix"));
course.Year = (int?)reader.GetValue(reader.GetOrdinal("Course_Year"));
course.Term = (int?)reader.GetValue(reader.GetOrdinal("Course_Term"));
course.Course_No = (string)reader.GetValue(reader.GetOrdinal("Course_No"));
course.Credit = (decimal?)reader.GetValue(reader.GetOrdinal("Credit"));
course.Title = (string)reader.GetValue(reader.GetOrdinal("Title"));
course.Is_Optional = (bool?)reader.GetValue(reader.GetOrdinal("is_Optional"));
regisTration_and_Marks.Course = course;
}
catch { }
Marks marks = new Marks();
try
{
marks.MarksID = (int?)reader.GetValue(reader.GetOrdinal("MarksID"));
marks.IsRetake = (bool?)reader.GetValue(reader.GetOrdinal("is_Retake"));
marks.Attendence = (int?)reader.GetValue(reader.GetOrdinal("Attendence"));
marks.Ct_or_Viva = (int?)reader.GetValue(reader.GetOrdinal("CT_or_Viva"));
marks.SA_or_SecA = (int?)reader.GetValue(reader.GetOrdinal("SA_or_SecA"));
marks.SecB = (int?)reader.GetValue(reader.GetOrdinal("SecB"));
regisTration_and_Marks.Marks = marks;
}
catch { }
registration_and_MarksList.Add(regisTration_and_Marks);
}
}
finally
{
connection.Close();
}
return registration_and_MarksList;
}
public static List<Course> getCourseListOfATerm(int? year, int? term)
{
OleDbConnection connection = new OleDbConnection(global::ResultManagement.Properties.Settings.Default.ConnectionString);
string cmdStr = @"SELECT ID, Course_Prefix, Course_Year, Course_Term, Course_No,
Credit, Title, is_Optional
From Course
WHERE 1 ";
if (year != null)
{
cmdStr += " AND Course_Year = " + year;
}
if (term != null)
{
cmdStr += " AND Course_Term = " + term;
}
cmdStr += @" ORDER BY Course_prefix,Course_year desc,Course_term desc,Course_no";
List<Course> courseList = new List<Course>();
OleDbCommand cmd = new OleDbCommand(cmdStr, connection);
try
{
connection.Open();
OleDbDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
Course course = new Course();
course.ID = (int)reader.GetValue(reader.GetOrdinal("ID"));
course.Prefix = (string)reader.GetValue(reader.GetOrdinal("Course_Prefix"));
course.Year = (int)reader.GetValue(reader.GetOrdinal("Course_Year"));
course.Term = (int)reader.GetValue(reader.GetOrdinal("Course_Term"));
course.Course_No = (string)reader.GetValue(reader.GetOrdinal("Course_No"));
course.Credit = (decimal)reader.GetValue(reader.GetOrdinal("Credit"));
course.Title = (string)reader.GetValue(reader.GetOrdinal("Title"));
course.Is_Optional = (bool)reader.GetValue(reader.GetOrdinal("is_Optional"));
courseList.Add(course);
}
}
finally
{
connection.Close();
}
return courseList;
}