private void dlstSearchProducts_DeleteCommand(object source, DataListCommandEventArgs e)
{
int relatedProductId = int.Parse(this.dlstSearchProducts.DataKeys[e.Item.ItemIndex].ToString(), NumberStyles.None);
SubSiteProducthelper.RemoveRelatedProduct(this.productId, relatedProductId);
base.Response.Redirect(HttpContext.Current.Request.Url.ToString(), true);
}