private void btnSave_Click(object sender, EventArgs e)
{
Subject subjectInForm = new Subject
{
SubjectId = Convert.ToInt32(txtID.Text),
SubjectCode = txtCode.Text,
SubjectName = txtTitle.Text,
Description = txtDescription.Text,
GradeLevel = cbGradeLevel.SelectedText
};
Subject subjectInDb = _context.Subjects.SingleOrDefault(t => t.SubjectId == Convert.ToInt32(txtID.Text));
if (subjectInDb == null)
{
_context.Subjects.Add(subjectInForm);
}
else
{
subjectInDb.SubjectCode = subjectInForm.SubjectCode;
subjectInDb.SubjectName = subjectInForm.SubjectName;
subjectInDb.Description = subjectInForm.Description;
subjectInDb.GradeLevel = subjectInForm.GradeLevel;
}
_context.SaveChanges();
}
private void btnOK_Click(object sender, EventArgs e)
{
Section sectionInForm = new Section();
sectionInForm.SectionName = txtSectionName.Text;
sectionInForm.GradeLevel = cbGradeLevel.Text;
sectionInForm.Teacher = _context.Teachers.FirstOrDefault(t => t.TeacherId == (int)cbAdviser.SelectedValue);
try
{
if (_section == null)
{
_context.Sections.Add(sectionInForm);
}
else
{
_section.SectionName = sectionInForm.SectionName;
_section.GradeLevel = sectionInForm.GradeLevel;
_section.Teacher = sectionInForm.Teacher;
}
_context.SaveChanges();
this.Close();
}
catch (Exception ex)
{
MessageBox.Show("Saving record failed.");
}
}
private void deleteSchedule_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
if (MessageBox.Show("Are you sure, you want to delete this section?", "Confirmation", MessageBoxButtons.OKCancel) != DialogResult.OK)
{
return;
}
try
{
if (dgvListOfClasses.SelectedCells.Count > 0)
{
var sectionId = Convert.ToInt32(dgvListOfClasses.Rows[sectionRowIndex].Cells["SectionId"].Value.ToString());
var sectionToRemove = _context.Sections.FirstOrDefault(t => t.SectionId == sectionId);
_context.Sections.Remove(sectionToRemove);
_context.SaveChanges();
}
MessageBox.Show("Record removed successfully");
LoadSection();
}
catch (Exception exception)
{
MessageBox.Show("Transaction failed");
}
}
private void SaveRecord(Student student, StudentDetails details, Requirement requirement)
{
try
{
student.StudentDetails = details;
student.Requirement = requirement;
_context.Students.Add(student);
_context.SaveChanges();
MessageBox.Show("Record saved successfully");
}
catch (Exception exception)
{
MessageBox.Show("Saving record failed" + exception.Message);
}
}
