[kendo ui] 처음 진입 시 조회 막기, 데이터소스 2개, newDataSource / setDataSource // Block lookup on first entry

$("#btnSearch2").kendoButton({
		icon: "search",
		click: function(e) {
			var searchGwamok = $("#searchGwamok").val();
			searchGwamok = searchGwamok.replace(/ +/g, "");//공백제거
			if(searchGwamok == null || searchGwamok == '' || typeof searchGwamok == 'undefined'){
				$("#gridList").data("kendoGrid").setDataSource(newDataSource);
				alert("검색할 입력해주세요.");
			}else{
				$("#gridList").data("kendoGrid").setDataSource(dataSourceGwamok);
			}
			$("#gridList").data("kendoGrid").dataSource.read();
		}
	});









   /*DataSource 초기화 */
    var newDataSource = new kendo.data.DataSource({
      data: []
    });
	
	<%-- dataSource --%>
	var dataSourceGwamok = new kendo.data.DataSource({
		transport: {
			read: function(options){








$("#gridList").kendoGrid({
        dataSource: newDataSource,



		$("#grid2").data("kendoGrid").setDataSource(dataSourcePreview);
		$("#grid2").getKendoGrid().saveAsExcel();