private void simpleButton1_Click(object sender, EventArgs e)
{
dgvContent.Enabled = false;
ResetAllTextboxes();
curClass = null;
db.SaveChanges();
BoundDataSource();
dgvContent.Enabled = true;
}
private void dgvContent_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if (e.RowIndex < 0 || e.RowIndex >= dgvContent.RowCount)
{
return;
}
var classId = int.Parse(dgvContent.Rows[e.RowIndex].Cells[0].Value.ToString());
curClass = db.MucHocPhis.Where(mhp => mhp.Ma == classId).FirstOrDefault();
tbMhp.Text = curClass.SoHocPhi.ToString();
}
private void btnXoa_Click(object sender, EventArgs e)
{
if (curClass != null)
{
//db.LopHocs.Where(lh => lh.Ma == curClass.Ma).FirstOrDefault();
db.MucHocPhis.Remove(curClass);
db.SaveChanges();
curClass = null;
BoundDataSource();
}
}
private void simpleButton2_Click(object sender, EventArgs e)
{
if (curClass == null)
{
MucHocPhi mhp = new MucHocPhi()
{
SoHocPhi = int.Parse(tbMhp.Text),
};
db.MucHocPhis.Add(mhp);
}
else
{
curClass.SoHocPhi = int.Parse(tbMhp.Text);
}
db.SaveChanges();
BoundDataSource();
dgvContent.Enabled = true;
}