private void BindMatList()
{
DataTable dt = tb_matrl_main.GetMatList(txt_GRD.Value, txtSPEC1.Value, txtSPEC2.Value, ltlgroupCode.Text, ltlMatType.Text).Tables[0];
if (dt.Rows.Count > 0)
{
rptList.DataSource = dt;
rptList.DataBind();
}
else
{
rptList.DataSource = null;
rptList.DataBind();
}
}