protected void BindSupplier() { DataTable dt = BLL_POLOG_Register.POLOG_Get_Supplier(ddlSupplierType.SelectedValue); if (dt.Rows.Count > 0) { ddlSupplier.DataSource = dt; ddlSupplier.DataTextField = "Supplier_Name"; ddlSupplier.DataValueField = "Supplier_Code"; ddlSupplier.DataBind(); ddlSupplier.Items.Insert(0, new ListItem("-All-", "0")); } else { ddlSupplier.DataSource = dt; ddlSupplier.DataTextField = "Supplier_Name"; ddlSupplier.DataValueField = "Supplier_Code"; ddlSupplier.DataBind(); ddlSupplier.Items.Insert(0, new ListItem("-All-", "0")); } }