统计Datalist 每页 列总数

  /// <summary>
    /// 统计某列的总值
    /// </summary>
    /// <param name="objName">Label控件名称</param>
    /// <returns>总值</returns>
    protected String GetTotal(String objName)
    {
        Label myLabel;
        Int32 returnValue = 0;

        for(Int32 i=0;i<DataList1.Items.Count;i++)
        {
            myLabel = (Label)DataList1.Items[i].FindControl(objName);
            returnValue += Convert.ToInt32(myLabel.Text);
        }

        return returnValue.ToString();
    }