public void bindsuppliername() { try { cbl_supplier.Items.Clear(); ds = queryObject.BindVendorNamevendorpk_inv(); if (ds.Tables[0].Rows.Count > 0) { cbl_supplier.DataSource = ds; cbl_supplier.DataTextField = "VendorCompName"; cbl_supplier.DataValueField = "VendorPK"; cbl_supplier.DataBind(); if (cbl_supplier.Items.Count > 0) { for (i = 0; i < cbl_supplier.Items.Count; i++) { cbl_supplier.Items[i].Selected = true; } txt_supplier.Text = "Supplier Name(" + cbl_supplier.Items.Count + ")"; cb_supplier.Checked = true; } } else { txt_supplier.Text = "--Select--"; cb_supplier.Checked = false; } } catch { } }