递归遍历页面控件

        private Control returnCtrl;
        /// <summary>
        /// 递归遍历页面控件
        /// </summary>
        /// <param name="oControl"></param>
        private Control LoopingControls(Control oControl)
        {
            foreach (Control frmCtrl in oControl.Controls)
            {
                if (frmCtrl is GridView)
                    if (((GridView)frmCtrl).ID == ControlToPaginate)
                    {
                        returnCtrl = frmCtrl; break;
                    }

                if (frmCtrl is Repeater)
                    if (((Repeater)frmCtrl).ID == ControlToPaginate)
                    {
                        returnCtrl = frmCtrl; break;
                    }

                if (frmCtrl is BaseDataList)
                    if (((BaseDataList)frmCtrl).ID == ControlToPaginate)
                    {
                        returnCtrl = frmCtrl; break;
                    }

                if (frmCtrl.HasControls())
                    LoopingControls(frmCtrl);//递归遍历
            }
            return returnCtrl;
        }
        #endregion