How to sort files on load and maintain them in FileExplorer?

<ej:FileExplorer ID="fileexplorer" ClientSideOnSelect="Select"ClientSideOnBeforeAjaxRequest="beforeAjaxSend" runat="server"CssClass="myFileBrowser" IsResponsive="true" Width="100%"AjaxAction="FileExplorerFeatures.aspx/FileActionDefault"Path="~/content/images/FileExplorer/" Layout="Tile"></ej:FileExplorer> 

<script>

//Select event function of FileExplorer 

function Select(args) { 

        var fileObj = $("#<%=fileexplorer.ClientID%>").data("ejFileExplorer"); 

        if (fileObj.option("selectedItems").length === 0) { 

            //Invoking FileExplorer sorting method with dateModified sort type

            fileObj._sorting("dateModified", true); 

            fileObj._sortingActioncomplete(); 

        } 

} 

//BeforeAjaxRequest event function of FileExplorer

function beforeAjaxSend(args) { 

         //Ajax successAfter event

        args.ajaxSettings.successAfter = function (args) { 

            var fileObj = $("#<%=fileexplorer.ClientID%>").data("ejFileExplorer");

            //Invoking FileExplorer sorting method with dateModified sort type

            fileObj._sorting("dateModified", true); 

            fileObj._sortingActioncomplete(); 

        } 

} 

</script>