ASP.NET

Label1.Attributes.Add("onclick", "javascript:alert('you have pressed Label')");
        TextBox1.Attributes.Add("onclick", "javascript:alert('you have pressed Textbox')");

protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
      {
          if (e.CommandName == "Up")
          {
              int i = int.Parse((string)e.CommandArgument);
              GroupAdapter.Update(Convert.ToInt32(GridView1.DataKeys[i - 1].Values[0].ToString()), i + 1);
              GroupAdapter.Update(Convert.ToInt32(GridView1.DataKeys[i].Values[0].ToString()), i);
              BindData();
          }
          else if (e.CommandName == "Down")
          {
              int i = int.Parse((string)e.CommandArgument);
              GroupAdapter.Update(Convert.ToInt32(GridView1.DataKeys[i + 1].Values[0].ToString()), i);
              GroupAdapter.Update(Convert.ToInt32(GridView1.DataKeys[i].Values[0].ToString()), i + 1);
              BindData();
          }
      }