protected void DdlBrand_SelectedIndexChanged(object sender, EventArgs e) { Object BrandByProduct = new Object(); BrandByProduct.Product_Brand = DdlBrand.SelectedValue; BrandByProduct.Product_Name = HiddenProductName.Value; BrandByProduct.Category_Name = HiddenCatagoryName.Value; DataTable dt = BSLAYER.ProductByBrand(BrandByProduct); int r = dt.Rows.Count; if (r < 1) { LblMsg.Visible = true; DataList1.Visible = false; } else { LblMsg.Visible = false; DataList1.Visible = true; DataList1.DataSource = dt; DataList1.DataBind(); } }