private void btnAdd_Click(object sender, EventArgs e)
{
_GroupModelNow = null;
_IStatusForm = 1;
_setStatusForm();
txtName.Focus();
}
private void _getData()
{
if (_GroupModelNow == null)
{
_GroupModelNow = new ClassGroupOfSubject();
}
_GroupModelNow.StrStaffID = txtID.Text;
_GroupModelNow.StrGroupName = txtName.Text;
_GroupModelNow.StrSubjectID = lkeSubject.GetColumnValue("StrSubjectID").ToString();
}
public bool addNewClassGroupOfSubject(ClassGroupOfSubject classGroupOfSubject)
{
try
{
_Context.ClassGroupOfSubjects.Add(classGroupOfSubject);
return(_Context.SaveChanges() != 0);
}
catch
{
return(false);
}
}
public bool deleteCurrentClassGroupOfSubject(ClassGroupOfSubject classGroupOfSubject)
{
var ClassGroupOfSubjectToDelete = _Context.ClassGroupOfSubjects.SingleOrDefault
(x => x.StrGroupID == classGroupOfSubject.StrGroupID);
try
{
_Context.ClassGroupOfSubjects.Remove(ClassGroupOfSubjectToDelete);
return(_Context.SaveChanges() != 0);
}
catch
{
return(false);
}
}
private void gvListCourse_SelectionChanged(object sender, DevExpress.Data.SelectionChangedEventArgs e)
{
if (gvListCourse.SelectedRowsCount > 0)
{
_GroupModelNow = (ClassGroupOfSubject)gvListCourse.GetRow(gvListCourse.FocusedRowHandle);
}
else
{
_GroupModelNow = null;
}
_loadData();
_IStatusForm = 0;
_setStatusForm();
}
public bool updateCurrentClassGroupOfSubject(ClassGroupOfSubject classGroupOfSubject)
{
try
{
var ClassGroupOfSubjectToUpdate = _Context.ClassGroupOfSubjects.SingleOrDefault
(x => x.StrGroupID == classGroupOfSubject.StrGroupID);
if (ClassGroupOfSubjectToUpdate != null)
{
ClassGroupOfSubjectToUpdate.StrGroupName = classGroupOfSubject.StrGroupName;
ClassGroupOfSubjectToUpdate.StrStaffID = classGroupOfSubject.StrStaffID;
ClassGroupOfSubjectToUpdate.StrSubjectID = classGroupOfSubject.StrSubjectID;
return(_Context.SaveChanges() != 0);
}
return(false);
}
catch
{
return(false);
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
if (_GroupModelNow != null)
{
if (_Group.deleteCurrentClassGroupOfSubject(_GroupModelNow))
{
_lstLoadListGroup();
DevExpress.XtraEditors.XtraMessageBox.Show("Xóa Thành Công!", "Thông Báo", MessageBoxButtons.OK, MessageBoxIcon.Information);
if (_lstLecturer.Count == 0)
{
_GroupModelNow = null;
_IStatusForm = 0;
_setStatusForm();
}
}
else
{
DevExpress.XtraEditors.XtraMessageBox.Show("Xóa Thất Bại!", "Thông Báo", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
