<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Basic CRUD Application - jQuery EasyUI CRUD Demo</title> <link rel="stylesheet" type="text/css" href="js/themes/default/easyui.css"> <link rel="stylesheet" type="text/css" href="js/themes/icon.css"> <link rel="stylesheet" type="text/css" href="js/themes/color.css"> <link rel="stylesheet" type="text/css" href="js/demo/demo.css"> <script type="text/javascript" src="js/jquery.min.js"></script> <script type="text/javascript" src="js/jquery.easyui.min.js"></script> </head> <body> <h2> Basic CRUD Application</h2> <p> Click the buttons on datagrid toolbar to do crud actions.</p> <table id="dg" title="My Users" class="easyui-datagrid" style=" 700px; height: 250px" url="JsonHandler.ashx?type=data" toolbar="#toolbar" pagination="true" rownumbers="true" fitcolumns="true" singleselect="true"> <thead> <tr> <th field="firstname" width="50"> First Name </th> <th field="lastname" width="50"> Last Name </th> <th field="phone" width="50"> Phone </th> <th field="email" width="50"> Email </th> </tr> </thead> </table> <div id="toolbar"> <a href="javascript:void(0)" class="easyui-linkbutton" iconcls="icon-add" plain="true" onclick="newUser()">New User</a> <a href="javascript:void(0)" class="easyui-linkbutton" iconcls="icon-edit" plain="true" onclick="editUser()">Edit User</a> <a href="javascript:void(0)" class="easyui-linkbutton" iconcls="icon-remove" plain="true" onclick="destroyUser()"> Remove User</a> </div> <div id="dlg" class="easyui-dialog" style=" 400px; height: 280px; padding: 10px 20px" closed="true" buttons="#dlg-buttons"> <div class="ftitle"> User Information</div> <form id="fm" method="post" novalidate> <div class="fitem"> <label> First Name:</label> <input name="firstname" class="easyui-textbox" required="true"> </div> <div class="fitem"> <label> Last Name:</label> <input name="lastname" class="easyui-textbox" required="true"> </div> <div class="fitem"> <label> Phone:</label> <input name="phone" class="easyui-textbox"> </div> <div class="fitem"> <label> Email:</label> <input name="email" class="easyui-textbox" validtype="email"> </div> </form> </div> <div id="dlg-buttons"> <a href="javascript:void(0)" class="easyui-linkbutton c6" iconcls="icon-ok" onclick="saveUser()" style=" 90px">Save</a> <a href="javascript:void(0)" class="easyui-linkbutton" iconcls="icon-cancel" onclick="javascript:$('#dlg').dialog('close')" style=" 90px"> Cancel</a> </div> <script type="text/javascript"> var url; function newUser(){ $('#dlg').dialog('open').dialog('center').dialog('setTitle','New User'); $('#fm').form('clear'); url = 'JsonHandler.ashx?type=add'; } function editUser(){ var row = $('#dg').datagrid('getSelected'); if (row){ $('#dlg').dialog('open').dialog('center').dialog('setTitle','Edit User'); $('#fm').form('load',row); url = 'JsonHandler.ashx?type=edit&id='+row.id; } } function saveUser(){ $('#fm').form('submit',{ url: url, onSubmit: function(){ return $(this).form('validate'); }, success: function(result){ var result = eval('('+result+')'); if (result.errorMsg){ $.messager.show({ title: 'Error', msg: result.errorMsg }); } else { $('#dlg').dialog('close'); // close the dialog $('#dg').datagrid('reload'); // reload the user data } } }); } function destroyUser(){ var row = $('#dg').datagrid('getSelected'); if (row){ $.messager.confirm('Confirm','Are you sure you want to destroy this user?',function(r){ if (r){ $.post('JsonHandler.ashx',{type:'del',id:row.id,random:Math.random()},function(re){ var result = eval("("+re+")"); if (result.success){ alert(''); $('#dg').datagrid('reload'); // reload the user data } else { $.messager.show({ // show error message title: 'Error', msg: result.errorMsg }); } },'json'); } }); } } </script> <style type="text/css"> #fm { margin: 0; padding: 10px 30px; } .ftitle { font-size: 14px; font-weight: bold; padding: 5px 0; margin-bottom: 10px; border-bottom: 1px solid #ccc; } .fitem { margin-bottom: 5px; } .fitem label { display: inline-block; width: 80px; } .fitem input { width: 160px; } </style> </body> </html>
using System; using System.Collections; using System.Data; using System.Web; using System.Web.Services; using System.Web.Services.Protocols; using Newtonsoft.Json; namespace Web { /// <summary> /// $codebehindclassname$ 的摘要说明 /// </summary> [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] public class JsonHandler : IHttpHandler { public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/plain"; if (context.Request.Params != null && context.Request.Params.Count > 0) { string type = context.Request.Params["type"]; if (!string.IsNullOrEmpty(type)) { if (type == "del") { // do something context.Response.Write(JsonConvert.SerializeObject("{'success':'true'}")); } else if (type == "data") { // 根据参数 page / rows / offset 返回相应数据 DataTable dt = new DataTable(); dt.Columns.Add("firstname"); dt.Columns.Add("lastname"); dt.Columns.Add("phone"); dt.Columns.Add("email"); dt.Columns.Add("id"); DataRow dr = dt.NewRow(); dr[0] = "X"; dr["id"] = 0; dt.Rows.Add(dr); dr = dt.NewRow(); dr[1] = "Y"; dr["id"] = 1; dt.Rows.Add(dr); context.Response.Write(JsonConvert.SerializeObject(dt)); } else if (type == "add") { // 执行 SQL 语句增加行到 DataTable context.Response.Write(""{'success':'true'}""); } else if (type == "edit") { // 执行 SQL 语句修改 DataTable context.Response.Write(""{'success':'true'}""); } else { // 输出错误 context.Response.Write(JsonConvert.SerializeObject("{'errorMsg':'没有相关参数！'}")); } } else { // 输出错误 context.Response.Write(""{'errorMsg':'没有参数！'}""); } } else { // 输出错误 context.Response.Write(""{'errorMsg':'没有请求参数！'}""); } } public bool IsReusable { get { return false; } } } }