Easyui主从表设计

js代码：

// 全局变量
var loading;
var grid;
var mainGrid;
var dlg_Edit;
var dlg_Edit_form;
var virpath = ""; //网站的虚拟目录 如：/ShopManager
var permissions;
var addPermissionName = 'City_Add'.toLowerCase();
var editPermissionName = 'City_Edit'.toLowerCase();
var delPermissionName = 'City_Delete'.toLowerCase();
var savePermissionName = 'City_Save'.toLowerCase();
var exportPermissionName = 'City_PrintandExport'.toLowerCase();
var curRowData;
var lastIndex;

$(function () {

    dlg_Edit = $('#Dlg-Edit').dialog({
        closed: true,
        modal: true,
        toolbar: [{
            text: '保存',
            iconCls: 'icon-save',
            handler: saveData
        }, '-', {
            text: '关闭',
            iconCls: 'icon-no',
            handler: function () {
                dlg_Edit.dialog('close');
            }
        }],
        onBeforeLoad: function (param) {
            //var password = $("#ConcreteDType").attr("value");
        }
    }).dialog('center');
    dlg_Edit_form = dlg_Edit.find('form');

    $.ajax({
        url: virpath + '/admin/GetPermissionsForCurrentUser/?permissionKey=City',
        type: 'post',
        datatype: 'application/json; charset=utf-8',
        error: function (result) {
        },
        success: function (result) {
            permissions = result;
            grid = $('#grid').treegrid({
                rownumbers: true,
                fit: true,
                title: '城市列表',
                pagination: false,
                //pageSize: 20,
                fitColumns: true,
                singleSelect: true,
                striped: true,
                idField: "CityId",
                treeField: 'Name',
                //sortName: 'Sort',
                //sortOrder: 'asc',
                //queryParams: { filter: ''},
                datatype: 'application/json; charset=utf-8',
                method: 'get',
                toolbar: [{
                    text: '新增',
                    iconCls: 'icon-add',
                    handler: add,
                    id: 'btnAdd',
                    disable: true
                }, '-', {
                    text: '编辑',
                    iconCls: 'icon-edit',
                    handler: edit,
                    id: 'btnEdit',
                    disable: true
                }, '-', {
                    text: '删除',
                    iconCls: 'icon-remove',
                    handler: del,
                    id: 'btnDel',
                    disable: true
                }, '-', {
                    text: '刷新',
                    iconCls: 'icon-search   ',
                    handler: reload
                }, '-'],
                columns: [[
                            {
                                field: 'Sort', title: '排序',  100, sortable: true

                            }
        , {
            field: 'Name', title: '名称',  100, sortable: true

        }
        , {
            field: 'Province', title: '所属省份',  100, sortable: false

        }
        , {
            field: 'Pingyin', title: '拼音',  100, sortable: true

        }
        , {
            field: 'Jiangpin', title: '简拼',  100, sortable: true

        }

                ]]
                ,
                onClickRow: function (row) {//运用单击事件实现一行的编辑结束，在该事件触发前会先执行onAfterEdit事件
                    var rowIndex = row.CityId;
                    if (lastIndex != rowIndex) {
                        grid.treegrid('endEdit', lastIndex);
                    }
                },
                onDblClickRow: function (row) { //双击事件
                    if (row == undefined) return;
                    var rowIndex = row.CityId;

                    if (lastIndex != rowIndex) {
                        grid.treegrid('endEdit', lastIndex);
                    }
                    var disabled = $('#btnEdit').linkbutton('options').disabled;
                    if (disabled || row.Predefined) {
                        grid.treegrid('cancelEdit', rowIndex);
                    } else {
                        grid.treegrid('beginEdit', rowIndex);
                    }

                    lastIndex = rowIndex;
                },
                onAfterEdit: function (row, changes) {
                    if (row.Predefined) return;
                    var rowId = row.CityId;
                    $.ajax({
                        url: virpath + '/api/City/Put/' + rowId,
                        data: row,
                        type: 'put',
                        datatype: 'application/json; charset=utf-8',
                        success: function (content) {
                            //result为请求处理后的返回值   
                            var data = getObjectFrom(content);
                            if (data.success) {
                                Msgfade('操作成功'); //提示消息
                                grid.treegrid('reload');

                            } else {
                                Msgalert('错误', data.msg, 'error');
                            }
                        }
                    });
                },
                onBeforeLoad: function (param) {
                    setButtonPermissions(permissions);
                },
                onHeaderContextMenu: function (e, field) {
                    e.preventDefault();
                    if (!$('#tmenu').length) {
                        createColumnMenu();
                    }
                    $('#tmenu').menu('show', {
                        left: e.pageX,
                        top: e.pageY
                    });
                },
                onContextMenu: function (e, rowData) {
                    e.preventDefault();
                    curRowData = rowData;
                    if (!$('#rmenu').length) {
                        createRowContextMenu();
                    }
                    $('#rmenu').menu('show', {
                        left: e.pageX,
                        top: e.pageY
                    });
                },
                onLoadSuccess: function (data) { //当数据加载成功时触发

                },
                onLoadError: function (arguments) {
                    $.messager.alert('提示', '由于网络或服务器太忙，加载失败，请重试！', 'error');
                }
            });
            mainGrid = $('#gridleft').datagrid({
                title: '省份',
                iconCls: 'icon-save',
                method: 'get',
                url: '/api/Province/Get',
                queryParams: { filter: '' },
                datatype: 'application/json; charset=utf-8',
                idField: 'ProvinceId',
                sortName: 'ProvinceId',
                //sortOrder: 'desc',
                sortOrder: 'asc',
                pageSize: 30,
                striped: true,
                columns: [[
        {
            field: 'Sort', title: '排序',  100, sortable: true

        }
        , {
            field: 'Name', title: '名称',  100, sortable: true

        }
        , {
            field: 'Pingyin', title: '拼音',  100, sortable: true

        }
        , {
            field: 'Jiangpin', title: '简拼',  100, sortable: true

        }
                ]],
                fit: true,
                pagination: true,
                rownumbers: true,
                fitColumns: true,
                singleSelect: true,
                onSelect: function (rowIndex, rowData) {
                    showAll(rowData.ProvinceId);
                },
                onLoadSuccess: function (data) {
                    if (data.total > 0)
                        $('#gridleft').datagrid('selectRow', 0);
                },
                onLoadError: function () {
                    $.messager.alert('提示', '由于网络或服务器太忙，加载失败，请重试！', 'error');
                },
                onBeforeLoad: function (param) {

                }
            });

        }
    });
});

function createColumnMenu() {
    var tmenu = $('<div id="tmenu" style="100px;"></div>').appendTo('body');
    var fields = grid.datagrid('getColumnFields');
    for (var i = 0; i < fields.length; i++) {
        $('<div iconCls="icon-ok"/>').html(fields[i]).appendTo(tmenu);
    }
    tmenu.menu({
        onClick: function (item) {
            if (item.iconCls == 'icon-ok') {
                grid.datagrid('hideColumn', item.text);
                tmenu.menu('setIcon', {
                    target: item.target,
                    iconCls: 'icon-empty'
                });
            } else {
                grid.datagrid('showColumn', item.text);
                tmenu.menu('setIcon', {
                    target: item.target,
                    iconCls: 'icon-ok'
                });
            }
        }
    });
}
function getSelectedKey() {
    var rows = grid.datagrid('getSelections');
    if (rows.length == 0) return '';
    return rows[0].UserName;
}

function getSelectedArr() {
    var ids = [];
    var rows = grid.treegrid('getSelections');
    for (var i = 0; i < rows.length; i++) {
        ids.push(rows[i].CityId);
    }
    return ids;
}
function getSelectedID() {
    var ids = getSelectedArr();
    return ids.join(',');
}
function arr2str(arr) {
    return arr.join(',');
}

function add() {
    var rows = mainGrid.datagrid('getSelections');
    if (rows.length == 0) return;
    dlg_Edit.dialog('open').dialog('setTitle', '添加');
    dlg_Edit_form.form('clear');
    $("#ProvinceId").val(rows[0].ProvinceId);
    var parentRows = grid.datagrid('getSelections');
    if (parentRows.length > 0) {
        $("#ProvinceId").val(parentRows[0].CityId);
    }

    dlg_Edit_form.url = virpath + '/api/City/Post';
    dlg_Edit_form.method = 'post';
}

function edit() {
    var rows = grid.datagrid('getSelections');
    var num = rows.length;
    if (num == 0) {
        Msgshow('请选择一条记录进行操作!');
        return;
    }
    else if (num > 1) {
        $.messager.alert('提示', '您选择了多条记录,只能选择一条记录进行修改!', 'info');
        return;
    }
    else if (rows[0].Predefined) {
        $.messager.alert('提示', '预定义类型不允许修改!', 'info');
        return;
    }
    else {
        dlg_Edit.dialog('open').dialog('setTitle', '修改:' + rows[0].Name);
        dlg_Edit_form.form('reset');
        dlg_Edit_form.form('load', rows[0]); //加载到表单的控件上
        dlg_Edit_form.method = 'put';
        dlg_Edit_form.url = virpath + '/api/City/Put/' + rows[0].CityId;
    }
}

function del() {
    //var arr = getSelectedKey();
    var arr = getSelectedArr();
    //if (arr!='') {
    if (arr.length > 0) {
        var rows = grid.datagrid('getSelections');
        var num = rows.length;
        if (num == 0) {
            Msgshow('请选择一条记录进行操作!');
            return;
        }
        else if (rows[0].Predefined) {
            $.messager.alert('提示', '预定义类型不允许删除!', 'info');
            return;
        }

        $.messager.confirm('提示', '您确认要删除选中的记录吗?', function (data) {
            if (data) {
                $.ajax({
                    //url: virpath + '/api/Categories/' + arr,
                    url: virpath + '/api/City/Delete/' + arr2str(arr),
                    type: 'delete',
                    datatype: 'application/json; charset=utf-8',
                    error: function (result) {
                        Msgalert('错误', '由于网络或服务器太忙，提交失败，请重试！', 'error');
                        grid.datagrid('clearSelections');
                    },
                    success: function (content) {
                        //content为请求处理后的返回值   
                        var result = getObjectFrom(content);
                        if (result.success) {
                            Msgfade('操作成功'); //提示消息
                            grid.treegrid('reload');
                            grid.datagrid('clearSelections');
                        } else {
                            Msgalert('错误', result.msg, 'error');
                        }
                    }
                });
            }
        });
    } else {
        Msgshow('请先选择要删除的记录。');
    }
}
function saveData() {
    dlg_Edit_form.form('submit', {
        url: dlg_Edit_form.url,
        onSubmit: function () {
            return $(this).form('validate');
        },
        //success:function(data) {alert(data)}
        success: function (content) {
            //content为请求处理后的返回值   
            var result = getObjectFrom(content);
            if (result.success) {
                Msgfade('操作成功'); //提示消息
                grid.treegrid('reload');
                dlg_Edit.dialog('close');
            } else {
                Msgalert('错误', result.msg, 'error');
            }
        }
    });
}

function reload() {
    grid.treegrid('reload');
}
function showAll(ProvinceId) {
    grid.treegrid({ url: '/Api/City/Gett?ProvinceId=' + escape(ProvinceId) });
}
function getSelectedProvinceId() {
    var provinceId = '';
    var rows = $('#gridleft').datagrid('getSelections');
    if (rows.length > 0) {
        provinceId = rows[0].ProvinceId;
    }
    return provinceId;
}
function exportData() {
    var filter = getSelectedProvinceId();
    if (filter == '') return;
    window.blank = true;
    window.location = virpath + '/Api/City/GetExport/?provinceId=' + escape(filter) + '&recordCount=1000';
}

CSHTML代码

@{
    ViewBag.Title = "City";
    Layout = "~/Views/Shared/_LeftFixTowColumnLayout1.cshtml";
    ViewBag.AdminJsUrl = YbRapidSolution.Mvc.AutofacBootStrapper.RELEASE
                             ? @Url.Content("~/Scripts/Admin/City.min.js")
                             : @Url.Content("~/Scripts/Admin/City.js");
}
<div id="Dlg-Edit" title="窗口" style=" 550px; height: 400px" buttons="#buttons">
    <div style="padding: 20px 40px 40px 0px;">
        <form method="POST" id="FormEdit">
            <input name="CityId" id="CityId" type="hidden" />
            <input name="ProvinceId" id="ProvinceId" type="hidden" />
            <table style=" 100%">
                <tr>
                    <td class="text-right" style=" 100px">名称：
                    </td>
                    <td>
                        <input type="text" name="Name" id="Name" class="easyui-validatebox easyui-textbox" data-options='required:true' maxlength="15" style=" 100%" />
                    </td>
                </tr>
                <tr>
                    <td class="text-right">拼音：
                    </td>
                    <td>
                        <input type="text" name="Pingyin" id="Pingyin" class="easyui-validatebox easyui-textbox" maxlength="50" style=" 100%" />
                    </td>
                </tr>
                <tr>
                    <td class="text-right">简拼：
                    </td>
                    <td>
                        <input type="text" name="Jiangpin" id="Jiangpin" class="easyui-validatebox easyui-textbox" maxlength="15" style=" 100%" />
                    </td>
                </tr>
                <tr>
                    <td class="text-right">排序：
                    </td>
                    <td>
                        @* 货币参考配置：data-options="precision:2,groupSeparator:',',decimalSeparator:'.',prefix:'￥'" style=" 150px"/> *@
                        <input type="text" name="Sort" id="Sort" class="easyui-numberspinner" style=" 150px" />
                    </td>
                </tr>
                <tr>
                    <td class="text-right">备注：
                    </td>
                    <td>
                        <textarea type="text" name="Description" id="Description" style=" 100%; height: 300px" maxlength="1073741823"></textarea>
                    </td>
                </tr>
            </table>
        </form>
    </div>
</div>
<div id="buttons" style="padding: 10px">
    <a href="javascript:void(0)" class="easyui-linkbutton c1" iconcls="icon-save" type="PUT" onclick="saveData()">保存</a>
    <a href="javascript:void(0)" class="easyui-linkbutton c2" iconcls="icon-cancel" onclick="javascript:$('#Dlg-Edit').dialog('close')">关闭</a>
</div>

控制器中添加

  public IEnumerable<CityModel> Gett(int provinceId)
        {
            var items = _service.GetAll().Where(a => a.ProvinceId == provinceId).OrderBy(c => c.Sort);
            var model = items.ConvertTo(_convertCallback);
            return model;
        }
        /// <summary>
        /// 获取首页记录
        /// </summary>
        /// <param name="filter"></param>
        /// <param name="rows"></param>
        /// <param name="sort"></param>
        /// <param name="order"></param>
        /// <returns></returns>
        public virtual EasyUIResponseResult<CityModel> Gett(string filter, int rows, string sort, string order, int provinceId)
        {
            return Gett(filter, 0, rows, sort, order, provinceId);
        }
        /// <summary>
        /// 分页查询
        /// </summary>
        /// <param name="filter"></param>
        /// <param name="page"></param>
        /// <param name="rows"></param>
        /// <param name="sort"></param>
        /// <param name="order"></param>
        /// <returns></returns>
        public EasyUIResponseResult<CityModel> Gett(string filter, int page, int rows, string sort, string order, int provinceId)
        {

            if (page <= 0) page = 1;
            var items = _service.FindByFilter(c => c.ProvinceId == provinceId, filter, page - 1, rows, sort, order);

            return this.CreateEasyUIResponseResult(items.TotalCount, items.Where(a => a.ProvinceId == provinceId), _convertCallback);
        }

效果图