private void btnThemLoaiDo_Click(object sender, EventArgs e)
{
frmThemLoaiDo frm = new frmThemLoaiDo();
frm.ShowDialog();
LoadLoaiDo();
}
private void btnEditLoai_Click(object sender, EventArgs e)
{
int ID = int.Parse(gvLoaiDo.GetRowCellValue(gvLoaiDo.FocusedRowHandle, "ID").ToString());
string tenLoai = gvLoaiDo.GetRowCellValue(gvLoaiDo.FocusedRowHandle, "TenLoai").ToString();
frmThemLoaiDo frm = new frmThemLoaiDo(ID, tenLoai);
frm.ShowDialog();
LoadDo();
}