ASP.NET2.0下含有DropDownList的GridView编辑、删除的完整例子！

ASP.NET2.0下含有DropDownList的GridView编辑、删除的完整例子！(8)         string DB1_1 = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox1")).Text;
        //string DB1_2 = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox2")).Text;
        string DB1_2 = (((DropDownList))GridView1.Rows[e.RowIndex].FindControl("ddlXL")).SelectedItem.Text;
       
    //判断表单项是否有空并给出提示信息
        if (DB1_1 == "" DB1_2 == "")
        {
            conn.Alert("请输入完整信息！", Page);
            return;
        }            
       try
       {
        conn.BuilderEdit("select * from DB1 where DB1_1 ='" + ID + "'");
        conn.dr["DB1_1"] = DB1_1;
        conn.dr["DB1_2"] = DB1_2;
        conn.BuilderEditClose();
       }
       catch (OracleException err)
       {
            if (err.Code.ToString() == "1")
                conn.Alert("错误：已存在具有相同主键的记录", Page);
            else
                conn.Alert("错误：未能添加记录", Page);
        }

        Response.Write("<script language='Javascript'>alert('数据已被保存!');</script>");