ดึงรูปจาก GridView ลงใน Image ไม่ได้ อยากรู้โค้ดแก้ไขครับ

        if (e.CommandName == "select")
        {
            int Index = Convert.ToInt32(e.CommandArgument.ToString());

            Product.ProdID1 = Convert.ToInt32(gvCatalog.Rows[Index].Cells[0].Text);
            Product.ProdImg1 = Convert.ToString(gvCatalog.Rows[Index].Cells[1].Text);
            Product.ProdName1 = gvCatalog.Rows[Index].Cells[2].Text;
            Product.ProdPrice1 = Convert.ToDecimal(gvCatalog.Rows[Index].Cells[3].Text);
            Product.ProdDetail1 = gvCatalog.Rows[Index].Cells[4].Text;
            Product.ProdTypeID1 = Convert.ToInt32(gvCatalog.Rows[Index].Cells[5].Text);

            lbShopID.Text = Product.ProdID1.ToString();
            Image1.ImageUrl = Product.ProdImg1;
            lbShopName.Text = Product.ProdName1;
            lbShopPrice.Text = Product.ProdPrice1.ToString("#0.00");
            lbShopDt.Text = Product.ProdDetail1;
            lbShopTypeID.Text = Product.ProdTypeID1.ToString();
            DdlQty.ClearSelection();