显示图像方法之二

      database.Fill(ds, "picsave");
  DataRowView drv = ds.Tables["picsave"].DefaultView[0];
            TextBox1.Text = drv.Row["username"].ToString();
            TextBox2.Text = Convert.ToString(drv.Row["pic"]);
            Image1.ImageUrl = "img/" + Convert.ToString(drv.Row["pic"]);