public void GetProductName()
{
Object NameProduct = new Object();
NameProduct.Product_Brand = Ddlbrand.SelectedValue;
DataTable dt = BSLAYER.ProductName(NameProduct);
DdlProduct.DataSource = dt;
DdlProduct.DataTextField = "Product_Name";
DdlProduct.DataValueField = "Product_Name";
DdlProduct.DataBind();
DdlProduct.Items.Insert(0, "--Filter By Product--");
}