private void load_cboLop()
{
cboLop.Properties.DataSource = LOP_BUS.LayLopTheoNamHoc(NAMHOC_BUS.LayNamHocHienTai().MANAMHOC);
cboLop.Properties.DisplayMember = "TENLOP";
cboLop.Properties.ValueMember = "MALOP";
cboLop.EditValue = null;
}
private void btnHoanTat_Click(object sender, EventArgs e)
{
string maLop = txtMaLop.Text;
string tenLop = txtTenLop.Text;
string maKhoi = cboKhoiLop.EditValue.ToString();
try
{
if (btnHoanTat.Text == "Lưu")
{
LOP_BUS.Insert(maLop, tenLop, maKhoi);
load_DSLop();
bindingNavigatorLop.BindingSource.MoveLast();
}
else
{
LOP_BUS.Update(maLop, tenLop, maKhoi);
load_DSLop();
}
btnHoanTat.Visible = false;
btnHuyBo.Visible = false;
txtTenLop.ReadOnly = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
bindingNavigatorAddNewItem.Enabled = true;
}
private void bindingNavigatorDelete_Click(object sender, EventArgs e)
{
if (MessageBox.Show("Bạn có chắc chắn xóa lớp này không?", "DELETE", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
string maLop = txtMaLop.Text;
LOP_BUS.Delete(maLop);
load_DSLop();
}
}
private void txtTimKiem_TextChanged(object sender, EventArgs e)
{
if (rbtnMaLop.Checked == true)
{
bindingSourceLop.DataSource = LOP_BUS.timLopTheoMaLop(txtTimKiem.Text);
}
else
{
bindingSourceLop.DataSource = LOP_BUS.timLopTheoTen(txtTimKiem.Text);
}
}
private void load_cboLop()
{
if (cboKhoiLop.Text != "")
{
string maKhoi = cboKhoiLop.EditValue.ToString();
cboLop.Properties.DataSource = LOP_BUS.LayLopTheoKhoi(maKhoi);
cboLop.Properties.DisplayMember = "TENLOP";
cboLop.Properties.ValueMember = "MALOP";
}
else
{
cboLop.Properties.DataSource = null;
}
}
private void load_cboLop()
{
if (cboNamHoc.Text != "")
{
cboLop.Properties.DataSource = LOP_BUS.LayLopTheoNamHoc(cboNamHoc.EditValue.ToString());
cboLop.Properties.DisplayMember = "TENLOP";
cboLop.Properties.ValueMember = "MALOP";
cboLop.EditValue = null;
}
else
{
cboLop.Properties.DataSource = null;
}
}
private void bindingNavigatorAdd_Click(object sender, EventArgs e)
{
dockPanelChucNang.Visibility = DevExpress.XtraBars.Docking.DockVisibility.Visible;
navPanelChucNang.SelectedPage = navNhapLieu;
bindingNavigatorAddNewItem.Enabled = false;
btnHoanTat.Visible = true;
btnHuyBo.Visible = true;
btnHoanTat.Text = "Lưu";
txtMaLop.Text = LOP_BUS.autoMaLop();
txtTenLop.Text = "";
cboKhoiLop.EditValue = null;
txtTenLop.ReadOnly = false;
cboKhoiLop.ReadOnly = false;
txtTenLop.Focus();
}
private void load_cboLop()
{
cboLop.DataSource = LOP_BUS.LayTatCaLop();
cboLop.DisplayMember = "TENLOP";
cboLop.ValueMember = "MALOP";
}
private void load_DSLop()
{
string maNamHoc = cboNamHoc.EditValue.ToString();
bindingSourceLop.DataSource = LOP_BUS.LayLopTheoNamHoc(maNamHoc);
}