easyui 默认选中第一行

datagrid:

　　onLoadSuccess: function (data) {
                    $('#serviceTypeList').datagrid("selectRow", 0);
                    SelectProcedureList(node.id, $('#serviceTypeList').datagrid('getSelections'));
                }

treegrid:

　　onLoadSuccess: function (row, data) {
            if (data.rows[0] != null) {
                $('#projectList').treegrid('select', data.rows[0].Pid);
            }
            SelectProblem();
        }

tree:

onLoadSuccess: function () { TreeClick(); }

function TreeClick() {
    var loadTreeClick = $("#serverClassList").find("div");
    if (loadTreeClick.length > 1) {
        loadTreeClick.eq(0).click();
        loadTreeClick.eq(0).addClass("tree-node-selected");
        SelectSalersServiceType();
    }
}