private void btn_submit_Click_1(object sender, RoutedEventArgs e)//todo : fix bug
{
ObservableCollection <ui_course> custdata;
custdata = (ObservableCollection <ui_course>)dg_course.DataContext;
int i = 0;
foreach (ui_course ss in custdata)
{
if (ss.Delete == true)
{
sp_bll.Course.delete(sp_bll.Course.get_single_course(ss.Num));
}
if (ss.Update == true)
{
tbl_course course_update = sp_bll.Course.get_single_course(tablebefore[i].Num);
try
{
course_update.C_Num = ss.Num;
course_update.C_Name = ss.Name;
course_update.C_Course = ss.Describe;
}
catch (Exception ex)
{
ModernDialog.ShowMessage("Some important data may be change unsuccessful \nsystem message:" + ex.Message + MainWindow.loginuser.U_Power, "User Input ERROR", MessageBoxButton.OK);
}
sp_bll.Course.update(course_update);
}
i++;
}
loadtable();
}
public JsonResult Create(tbl_course course)
{
try{
// TODO: Add insert logic here
db.tbl_course.Add(course);
db.SaveChanges();
return(Json("success", JsonRequestBehavior.AllowGet));
}
catch
{
return(Json("failure", JsonRequestBehavior.AllowGet));
}
}
// POST: Course/Edit/5
public JsonResult Edit(int id, tbl_course course)
{
try
{
// TODO: Add update logic here
var oldcourse = db.tbl_course.SingleOrDefault(x => x.courseID == id);
oldcourse.courseName = course.courseName;
oldcourse.courseInstructor = course.courseInstructor;
oldcourse.courseDescription = course.courseDescription;
db.SaveChanges();
return(Json("success", JsonRequestBehavior.AllowGet));
}
catch
{
return(Json("failure", JsonRequestBehavior.AllowGet));
}
}
public static Err delete(tbl_course cc)
{
Err e = new Err();
try
{
DataBase db = new DataBase();
db.DeleteObject(cc);
db.SaveChanges();
}
catch (Exception ex)
{
e.res = false;
e.info = ex.Message;
}
return(e);
}
public static Err update(tbl_course cc)
{
Err e = new Err();
try
{
DataBase db = new DataBase();
tbl_course c = (
from d in db.tbl_course
where d.C_index == cc.C_index
select d
).Single();
c = cc;
db.SaveChanges();
}
catch (Exception ex)
{
e.res = false;
e.info = ex.Message;
}
return(e);
}
internal static bool Insert(string sCourseNo, string sCourseName, float fCourseTime, out string errmsg)
{
bool bOk = false;
using (var context = new TrainingSign_Entities())
{
//var items = from x in context.tbl_course
// where 0 == x.name.CompareTo(sname)
// select x;
//if (items.Any())
//{
// errmsg = string.Format("{0} already exist", sname);
// return false;
//}
//insert
var entity = new tbl_course()
{
id = Guid.NewGuid(),
course_no = sCourseNo,
course_context = sCourseName,
course_time = fCourseTime
};
try
{
context.tbl_course.Add(entity);
context.SaveChanges();
bOk = true;
errmsg = string.Empty;
}
catch (Exception ex)
{
//errmsg = ex.Message;
errmsg = "课程号已存在，无法插入！";
}
}
return(bOk);
}
private void button1_Click(object sender, EventArgs e)
{
var dept = _con.Departments.SingleOrDefault(c => c.name == box_dept.SelectedItem.ToString());
for (int i = 1; i < a; i++)
{
dynamic txtCourse = "txt_course" + i.ToString();
dynamic boxSemester = "box_semester" + i.ToString();
string dataSubject = ((TextBox)panel2.Controls[txtCourse]).Text;
string dataSubCode = ((ComboBox)panel2.Controls[boxSemester]).SelectedItem.ToString();
//Checking with Subject Code
int noOfSem = Int32.Parse(dataSubCode);
var data = _con.Courses.SingleOrDefault(c => (c.tbl_departmentId == dept.id) && (c.name == dataSubject.ToUpper()) && (c.total_number_of_Semester == noOfSem));
if (data != null)
{
MessageBox.Show("Course Already Exist!", "Information", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
else
{
var dataCode = new tbl_course
{
name = dataSubject.ToUpper(),
total_number_of_Semester = Convert.ToInt32(dataSubCode),
tbl_departmentId = dept.id
};
_con.Courses.Add(dataCode);
_con.SaveChanges();
}
}
if (MessageBox.Show("Saved Successfully!", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information) == DialogResult.OK)
{
FirstPage obj = new FirstPage(userName);
this.Close();
obj.Show();
}
}