Adf.Web.UI.RowSelectorColumn.SelectAll C# (CSharp) Метод

        public void SelectAll()
        {
            if (SelectionMode.Equals(ListSelectionMode.Multiple) && AllowSelectAll)
            {
                foreach (GridViewRow item in ((GridView) Control).Rows)
                {
                    HtmlInputCheckBox checkselector = item.FindControl("RowSelectorColumnSelector") as HtmlInputCheckBox;
                    checkselector.Checked = true;
                }
                selectAllControl.Checked = true;
            }
        }