private void btnThemMoi_Click(object sender, EventArgs e)
{
TietKiem_Session.themhoacsua = 1;// đang thêm
frmThemMoiHoacSuaTietKiem tk = new frmThemMoiHoacSuaTietKiem();
tk.ShowDialog();
LoadData();
}
private void btnSua_Click(object sender, EventArgs e)
{
TietKiem_Session.themhoacsua = 2;//đang sửa
int matk = Convert.ToInt32(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "matk").ToString());
TietKiem_Session.matk = matk;
frmThemMoiHoacSuaTietKiem tk = new frmThemMoiHoacSuaTietKiem();
tk.ShowDialog();
LoadData();
}