仅供参考，实现的方法很多。轻喷
第一步：
新建asp.net程序将jquery easyui包拷贝到根目录
根据自己爱好来。
第二步：
新建一个webform页面。
<link href="JS/themes/default/easyui.css" rel="stylesheet" type="text/css" />
<link href="JS/themes/icon.css" rel="stylesheet" type="text/css" />
<script src="JS/jquery-1.8.0.min.js" type="text/javascript"></script>
<script src="JS/jquery.easyui.min.js" type="text/javascript"></script>
webform页面代码：
1 <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="增删改查.WebForm1" %> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head runat="server"> 4 <title></title> 5 <link href="JS/themes/default/easyui.css" rel="stylesheet" type="text/css" /> 6 <link href="JS/themes/icon.css" rel="stylesheet" type="text/css" /> 7 <script src="JS/jquery-1.8.0.min.js" type="text/javascript"></script> 8 <script src="JS/jquery.easyui.min.js" type="text/javascript"></script> 9 <script type="text/javascript"> 10 var url; //提交数据的路径 11 var formId; //当天要提交的Form的编号 12 var dialogId; //对话框的编号 13 $(function () { 14 oks(); 15 }); 16 function oks() { 17 $("#tab").datagrid({ 18 width: 550, 19 heigth: 250, 20 title: "学员信息表", 21 url: location.href, 22 idField: 'JSON_id', 23 frozenColumns: [[ 24 { field: 'chk', checkbox: true } 25 ]], 26 columns: [[ 27 // { field: 'JSON_id', title: "id", disply: "none" }, 28 { field: 'JSON_no', title: '编号', width: 80 }, 29 { field: 'JSON_name', title: '姓名', width: 100 }, 30 { field: 'JSON_pwd', title: '密码', width: 80 }, 31 { field: 'JSON_sex', title: '性别', width: 80 }, 32 { field: 'JSON_age', title: '年龄', width: 80 }, 33 { field: 'JSON_address', title: '住址', width: 80 } 34 ]], 35 queryParams: { "action": "query" }, 36 rownumbers: true, 37 pagination: true, 38 toolbar:"#tool", 39 singleSelect: true, 40 fitColumns: true 41 }); 42 } 43 var p = $('#tab').datagrid('getPager'); 44 p.pagination({ 45 beforePageText: '第', //页数文本框前显示的汉字 46 afterPageText: '页 共 {pages} 页', 47 displayMsg: '当前显示 {from} - {to} 条记录 共 {total} 条记录' 48 }); 49 //删除按钮事件 50 function Del(id) { 51 $.messager.confirm('提示', '确认删除？', function (r) { 52 if (r) { 53 var selected = ""; 54 if (id <= 0) { 55 $($('#tab').datagrid('getSelections')).each(function () { 56 selected += this.JSON_id + ","; 57 }); 58 selected = selected.substr(0, selected.length - 1); 59 if (selected == "") { 60 $.messager.alert('提示', '请选择要删除的数据！', 'info'); 61 return; 62 } 63 } 64 else { 65 selected = id; 66 } 67 $.post(location.href, { "action": "del", "chk_select": selected }, function (data) { 68 $.messager.alert('提示', data, 'info', function () { $("#tab").datagrid("reload"); }); 69 }); 70 71 } 72 }); 73 } 74 function addUser() { 75 $("#addUser").dialog({ 76 "title": "添加学员信息", 77 width: 500, 78 heigth: 450 79 }); 80 $("#addUser").dialog('open'); 81 $("#addform").form('clear'); 82 url = 'WebForm1.aspx?action=add'; 83 formId = "#addform"; 84 dialogId = "#addUser"; 85 } 86 function add() { 87 $(formId).form('submit', { 88 url: url, 89 onSubmit: function () { 90 return $(this).form('validate'); 91 }, 92 success: function (data) { 93 if (data == 'ok') { 94 $.messager.show({ 95 title: 'success', 96 msg: '插入成功！' 97 }); 98 $('#tab').datagrid('reload'); 99 } else { 100 $.messager.show({ 101 title: 'Error', 102 msg: '插入失败！' 103 104 }); 105 } 106 $('#tab').datagrid('reload'); 107 } 108 }); 109 } 110 function edittbUser() { 111 $("#editUser").dialog({ 112 "title":"修改信息", 113 width:500, 114 heigth:400 115 }); 116 var row = $('#tab').datagrid('getSelections'); 117 if (row) { 118 $("#editUser").dialog("open"); 119 $("#editno").val(row[0].JSON_no); 120 $("#editname").val(row[0].JSON_name); 121 $("#editpwd").val(row[0].JSON_pwd); 122 if (row[0].JSON_sex == "男") { 123 $("#editsex").find("option").eq(0).attr("selected", "selected"); 124 } else { 125 $("#editsex").find("option").eq(1).attr("selected", "selected"); 126 } 127 $("#editage").val(row[0].JSON_age); 128 $("#editaddress").val(row[0].JSON_address); 129 url = "WebForm1.aspx?action=edit&id=" + row[0].JSON_id; 130 formId = "#editform"; 131 dialogId = "#editUser"; 132 } else { 133 $.messager.alert("提示", "您没有选中任何行！"); 134 } 135 } 136 function edit() { 137 138 $(formId).form('submit', { 139 url: url, 140 onSubmit: function () { 141 return $(this).form('validate'); 142 }, 143 success: function (data) { 144 if (data == 'ok') { 145 $.messager.show({ 146 title: 'success', 147 msg: '修改成功！' 148 }); 149 $(dialogId).dialog('close'); 150 //$.messager.alert("提示","修改成功~！"); 151 $('#tab').datagrid('reload'); 152 } else { 153 $.messager.show({ 154 title: 'Error', 155 msg: '修改失败！' 156 }); 157 } 158 $('#tab').datagrid('reload'); 159 } 160 }) 161 } 162 </script> 163 </head> 164 <body> 165 <table id="tab"></table> 166 <div id="tool"> 167 <table border="0" cellspacing="0" cellpadding="0" width="100%"> 168 <tr> 169 <td style=" padding-left:2px"> 170 <a href="#" class="easyui-linkbutton" id="id_add" iconcls="icon-add" onclick="addUser();" plain="true">添加</a> 171 <a href="#" class="easyui-linkbutton" id="id_edit" iconCls="icon-edit" onclick="edittbUser();" plain="true">修改</a> 172 <a href="#" class="easyui-linkbutton" id="id_cancel " onclick="Del(0);return false;" iconcls="icon-cancel" plain="true">删除</a> 173 </td> 174 175 </tr> 176 </table> 177 </div> 178 <div id="addUser" class="easyui-dialog" closed="true" buttons="#addusers" style="padding:10px 20px"> 179 <form id="addform" method="post"> 180 <table class="align-center"> 181 <tr> 182 <td>编号</td> 183 <td> 184 <input type="text" class="easyui-validatebox" data-options="required:true" name="no"/> 185 </td> 186 </tr> 187 <tr> 188 <td>姓名</td> 189 <td> <input type="text" class="easyui-validatebox" data-options="required:true" name="name"/></td> 190 </tr> 191 <tr> 192 <td>密码</td> 193 <td> <input type="password" class="easyui-validatebox" data-options="required:true" name="pwd"/></td> 194 </tr> 195 <tr> 196 <td>性别</td> 197 <td> 198 <select name="sex"> 199 <option value="1">男</option> 200 <option value="0">女</option> 201 </select> 202 </td> 203 </tr> 204 <tr> 205 <td>年龄</td> 206 <td> <input type="text" class="easyui-validatebox" data-options="required:true" name="age"/></td> 207 </tr> 208 <tr> 209 <td>住址</td> 210 <td> <input type="text" class="easyui-validatebox" data-options="required:true" name="address"/></td> 211 </tr> 212 </table> 213 </form> 214 </div> 215 <div id="addusers"> 216 <a href="#" class="easyui-linkbutton" iconCls="icon-ok" onclick="add()">保存</a> 217 <a href="#" class="easyui-linkbutton" iconCls="icon-cancel" onclick="javascript:$('#addUser').dialog('close')">关闭</a> 218 </div> 219 220 <div id="editUser" class="easyui-dialog" closed="true" buttons="#editusers" style="padding:10px 20px"> 221 <form id="editform" method="post"> 222 <table class="align-center"> 223 <tr> 224 <td>编号</td> 225 <td> 226 <input type="text" id="editno" class="easyui-validatebox" data-options="required:true" name="no"/> 227 </td> 228 </tr> 229 <tr> 230 <td>姓名</td> 231 <td> <input type="text" id="editname" class="easyui-validatebox" data-options="required:true" name="name"/></td> 232 </tr> 233 <tr> 234 <td>密码</td> 235 <td> <input type="password" id="editpwd" class="easyui-validatebox" data-options="required:true" name="pwd"/></td> 236 </tr> 237 <tr> 238 <td>性别</td> 239 <td> 240 <select name="editsex" id="editsex"> 241 <option value="1">男</option> 242 <option value="0">女</option> 243 </select> 244 </td> 245 </tr> 246 <tr> 247 <td>年龄</td> 248 <td> <input type="text" id="editage" class="easyui-validatebox" data-options="required:true" name="age"/></td> 249 </tr> 250 <tr> 251 <td>住址</td> 252 <td> <input type="text" id="editaddress" class="easyui-validatebox" data-options="required:true" name="address"/></td> 253 </tr> 254 </table> 255 </form> 256 </div> 257 <div id="editusers"> 258 <a href="#" class="easyui-linkbutton" iconCls="icon-ok" onclick="edit()">保存</a> 259 <a href="#" class="easyui-linkbutton" iconCls="icon-cancel" onclick="javascript:$('#editUser').dialog('close')">关闭</a> 260 </div> 261 </body> 262 </html>
第三步：
webform后台代码
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Web; 5 using System.Web.UI; 6 using System.Web.UI.WebControls; 7 using System.Data; 8 using System.Text; 9 10 namespace 增删改查 11 { 12 public partial class WebForm1 : System.Web.UI.Page 13 { 14 protected void Page_Load(object sender, EventArgs e) 15 { 16 if (Request["action"] != null) 17 { 18 string action = Request["action"].ToString(); 19 switch (action) 20 { 21 case "query": 22 Query(); 23 break; 24 case "del": 25 Del(); 26 break; 27 case "add": 28 Add(); 29 break; 30 case "edit": 31 Edit(); 32 break; 33 } 34 } 35 } 36 //显示 37 private void Query() 38 { 39 string str = string.Empty; 40 string sql = string.Empty; 41 string rows = Request["rows"].ToString(); //获取datagrid传来的行数 42 string page = Request["page"].ToString(); //获取datagrid传来的页码 当前页 43 StringBuilder sb = new StringBuilder(); 44 sb.AppendFormat(" SELECT TOP {0} * FROM ( ",rows); 45 sb.Append(" SELECT ROW_NUMBER() OVER (ORDER BY id) AS "); 46 sb.Append(" RowNumber,* FROM stu) A "); 47 sql = sb.ToString(); 48 sql+=string.Format(" WHERE RowNumber > {0}*({1}-1) ",rows,page); 49 DataTable dt = SqlHelper.GetTable(sql); 50 DataTable dt2 = SqlHelper.GetTable("select * from stu"); 51 str = JSONHelper.CreateJsonParameters(dt, true, dt2.Rows.Count); 52 Response.Write(str); 53 Response.End(); 54 } 55 56 private void Del() 57 { 58 string str = "删除失败"; 59 string selectid = Request["chk_select"] != "" ? Request["chk_select"].ToString() : ""; 60 if (selectid != string.Empty && selectid != "0") 61 { 62 63 int num=SqlHelper.DelData("stu",selectid); 64 if(num>0) 65 { 66 str = string.Format("删除成功，本次共删除{0}条", num.ToString()); 67 }else 68 { 69 str="删除失败"; 70 } 71 Response.Write(str); 72 Response.End(); 73 } 74 } 75 76 private void Add() 77 { 78 string no = Request["no"].ToString(); 79 string name = Request["name"].ToString(); 80 string pwd = Request["pwd"].ToString(); 81 string sex = Request["sex"].ToString()=="1"?"男":"女"; 82 int age = int.Parse(Request["age"].ToString()); 83 string address = Request["address"].ToString(); 84 string sql = string.Format("insert into stu values('{0}','{1}','{2}','{3}',{4},'{5}')",no,name,pwd,sex,age,address); 85 int count = 0; 86 count = SqlHelper.ExeNonQuery(sql, CommandType.Text, null) ? 1 : 0; 87 if (count > 0) 88 { 89 Response.Write("ok"); 90 Response.End(); 91 } 92 else 93 { 94 Response.Write("no"); 95 Response.End(); 96 } 97 } 98 private void Edit() 99 { 100 int id = int.Parse(Request["id"].ToString()); 101 string no = Request["no"].ToString(); 102 string name = Request["name"].ToString(); 103 string pwd = Request["pwd"].ToString(); 104 string sex = Request["editsex"].ToString() == "1" ? "男" : "女"; 105 int age = int.Parse(Request["age"].ToString()); 106 string address = Request["address"].ToString(); 107 int count = 0; 108 string sql = string.Format("update stu set no='{0}',name='{1}',pwd='{2}',sex='{3}',age={4},address='{5}' where id={6}",no,name,pwd,sex,age,address,id); 109 count = SqlHelper.ExeNonQuery(sql, CommandType.Text, null) ? 1 : 0; 110 if (count > 0) 111 { 112 Response.Write("ok"); 113 Response.End(); 114 } 115 else 116 { 117 Response.Write("no"); 118 Response.End(); 119 } 120 } 121 122 } 123 }
sqlhelper：
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Web; 5 using System.Data.SqlClient; 6 using System.Data; 7 using System.Configuration; 8 9 public class SqlHelper 10 { 11 /// <summary> 12 /// 数据连接字符串 13 /// </summary> 14 public static readonly string conString = ConfigurationManager.ConnectionStrings["sqlCon"].ConnectionString; 15 //增删改 16 public static bool ExeNonQuery(string sql, CommandType type, params SqlParameter[] lists) 17 { 18 bool bFlag = false; 19 using (SqlConnection con = new SqlConnection(conString)) 20 { 21 SqlCommand cmd = new SqlCommand(); 22 cmd.Connection = con; 23 cmd.CommandText = sql; 24 cmd.CommandType = type; 25 if (lists!=null) 26 { 27 foreach (SqlParameter p in lists) 28 { 29 cmd.Parameters.Add(p); 30 } 31 } 32 try 33 { 34 if (con.State == ConnectionState.Closed) 35 { 36 con.Open(); 37 } 38 int result = cmd.ExecuteNonQuery(); 39 if (result > 0) 40 { 41 bFlag = true; 42 } 43 44 } 45 catch { ;} 46 } 47 return bFlag; 48 } 49 50 //查．读 51 public static SqlDataReader ExeDataReader(string sql, CommandType type, params SqlParameter[] lists) 52 { 53 SqlConnection con = new SqlConnection(conString); 54 SqlCommand cmd = new SqlCommand(); 55 cmd.Connection = con; 56 cmd.CommandText = sql; 57 cmd.CommandType = type; 58 59 if (con.State == ConnectionState.Closed) 60 { 61 con.Open(); 62 } 63 64 if (lists!=null) 65 { 66 foreach (SqlParameter p in lists) 67 { 68 cmd.Parameters.Add(p); 69 } 70 } 71 72 SqlDataReader reader = cmd.ExecuteReader(); 73 74 return reader; 75 } 76 77 //返回单个值 78 public static object GetScalar(string sql, CommandType type, params SqlParameter[] lists) 79 { 80 object returnValue = null; 81 using (SqlConnection con = new SqlConnection(conString)) 82 { 83 SqlCommand cmd = new SqlCommand(); 84 cmd.Connection = con; 85 cmd.CommandText = sql; 86 cmd.CommandType = type; 87 if (lists!=null) 88 { 89 foreach (SqlParameter p in lists) 90 { 91 cmd.Parameters.Add(p); 92 } 93 } 94 try 95 { 96 if (con.State == ConnectionState.Closed) 97 { 98 con.Open(); 99 } 100 returnValue = cmd.ExecuteScalar(); 101 102 } 103 catch { ; } 104 } 105 return returnValue; 106 } 107 108 //事务 109 public static bool ExeNonQueryTran(List<SqlCommand> list) 110 { 111 bool flag = true; 112 SqlTransaction tran = null; 113 using (SqlConnection con = new SqlConnection(conString)) 114 { 115 try 116 { 117 if (con.State == ConnectionState.Closed) 118 { 119 con.Open(); 120 tran = con.BeginTransaction(); 121 foreach (SqlCommand com in list) 122 { 123 com.Connection = con; 124 com.Transaction = tran; 125 com.ExecuteNonQuery(); 126 } 127 tran.Commit(); 128 } 129 } 130 catch (Exception ex) 131 { 132 Console.Write(ex.Message); 133 tran.Rollback(); 134 flag = false; 135 } 136 } 137 return flag; 138 } 139 //返回DataTable 140 public static DataTable GetTable(string sql) 141 { 142 SqlConnection conn = new SqlConnection(conString); 143 SqlDataAdapter da = new SqlDataAdapter(sql, conn); 144 DataTable table = new DataTable(); 145 da.Fill(table); 146 return table; 147 } 148 public static DataTable GetDataByPager(string tbname, string fieldkey, int pagecurrent, int pagesize, string fieldshow, string fieldorder, string wherestring, ref int pagecount) 149 { 150 SqlParameter[] parameters = { 151 new SqlParameter("@tbname", SqlDbType.VarChar, 100), 152 new SqlParameter("@FieldKey", SqlDbType.VarChar, 100), 153 new SqlParameter("@PageCurrent", SqlDbType.Int), 154 new SqlParameter("@PageSize", SqlDbType.Int), 155 new SqlParameter("@FieldShow", SqlDbType.VarChar, 200), 156 new SqlParameter("@FieldOrder", SqlDbType.VarChar, 200), 157 new SqlParameter("@WhereString", SqlDbType.VarChar, 500), 158 new SqlParameter("@RecordCount", SqlDbType.Int), 159 }; 160 parameters[0].Value = tbname; 161 parameters[1].Value = fieldkey; 162 parameters[2].Value = pagecurrent; 163 parameters[3].Value = pagesize; 164 parameters[4].Value = fieldshow; 165 parameters[5].Value = fieldorder; 166 parameters[6].Value = wherestring; 167 parameters[7].Direction = ParameterDirection.Output; 168 DataTable dt = ExecuteQuery("sp_get_data", parameters).Tables[0]; 169 pagecount = Convert.ToInt32(parameters[7].Value); 170 return dt; 171 } 172 /// <summary> 173 /// 执行有参数的查询类存储过程 174 /// </summary> 175 /// <param name="pstrStoreProcedure">存储过程名</param> 176 /// <param name="pParms">存储过程的参数数组</param> 177 /// <returns>查询得到的结果集</returns> 178 public static DataSet ExecuteQuery(string pstrStoreProcedure, SqlParameter[] pParms) 179 { 180 181 182 DataSet dsResult = new DataSet(); 183 SqlDataAdapter sda = new SqlDataAdapter(); 184 SqlConnection con=new SqlConnection(conString); 185 SqlCommand cmd; 186 int intCounter; 187 try 188 { 189 if (con.State != ConnectionState.Open) 190 con.Open(); 191 cmd = new SqlCommand(); 192 cmd.Connection = con; 193 cmd.CommandType = CommandType.StoredProcedure; 194 cmd.CommandText = pstrStoreProcedure; 195 if (pParms != null) 196 { 197 for (intCounter = 0; intCounter < pParms.GetLength(0); intCounter++) 198 { 199 cmd.Parameters.Add(pParms[intCounter]); 200 } 201 } 202 sda.SelectCommand = cmd; 203 sda.Fill(dsResult); 204 205 206 } 207 catch (SqlException ex) 208 { 209 throw new Exception(ex.Message ); 210 } 211 finally 212 { 213 //清空关闭操作 214 sda.Dispose(); 215 con.Close(); 216 con.Dispose(); 217 218 } 219 return dsResult; 220 } 221 /// <summary> 222 /// 此分页存储过程直接用皱建的，没修改 大家可以用自己的 223 /// </summary> 224 /// <param name="tableName">表名</param> 225 /// <param name="getFields">需要返回的列</param> 226 /// <param name="orderName">排序的字段名</param> 227 /// <param name="pageSize">页尺寸</param> 228 /// <param name="pageIndex">页码</param> 229 /// <param name="isGetCount">返回记录总数,非 0 值则返回</param> 230 /// <param name="orderType">设置排序类型,0表示升序非0降序</param> 231 /// <param name="strWhere"></param> 232 /// <returns></returns> 233 //public static DataSet GetList(string tableName, string getFields, string orderName, int pageSize, int pageIndex, bool isGetCount, bool orderType, string strWhere) 234 //{ 235 // SqlParameter[] parameters = { 236 // new SqlParameter("@tblName", SqlDbType.VarChar, 255), 237 // new SqlParameter("@strGetFields", SqlDbType.VarChar, 1000), 238 // new SqlParameter("@fldName", SqlDbType.VarChar, 255), 239 // new SqlParameter("@PageSize", SqlDbType.Int), 240 // new SqlParameter("@PageIndex", SqlDbType.Int), 241 // new SqlParameter("@doCount", SqlDbType.Bit), 242 // new SqlParameter("@OrderType", SqlDbType.Bit), 243 // new SqlParameter("@strWhere", SqlDbType.VarChar, 1500) 244 // }; 245 // parameters[0].Value = tableName; 246 // parameters[1].Value = getFields; 247 // parameters[2].Value = orderName; 248 // parameters[3].Value = pageSize; 249 // parameters[4].Value = pageIndex; 250 // parameters[5].Value = isGetCount ? 1 : 0; 251 // parameters[6].Value = orderType ? 1 : 0; 252 // parameters[7].Value = strWhere; 253 // return SqlHelper.RunProcedure("pro_pageList", parameters, "ds"); 254 //} 255 //public static DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName) 256 //{ 257 // using (SqlConnection connection = new SqlConnection(conString)) 258 // { 259 // DataSet dataSet = new DataSet(); 260 // connection.Open(); 261 // new SqlDataAdapter { SelectCommand = BuildQueryCommand(connection, storedProcName, parameters) }.Fill(dataSet, tableName); 262 // connection.Close(); 263 // return dataSet; 264 // } 265 //} 266 /// <summary> 267 /// 构建 SqlCommand 对象(用来返回一个结果集，而不是一个整数值) 268 /// </summary> 269 /// <param name="connection">数据库连接</param> 270 /// <param name="storedProcName">存储过程名</param> 271 /// <param name="parameters">存储过程参数</param> 272 /// <returns>SqlCommand</returns> 273 private static SqlCommand BuildQueryCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters) 274 { 275 SqlCommand command = new SqlCommand(storedProcName, connection) 276 { 277 CommandType = CommandType.StoredProcedure 278 }; 279 foreach (SqlParameter parameter in parameters) 280 { 281 if (parameter != null) 282 { 283 if (((parameter.Direction == ParameterDirection.InputOutput) || (parameter.Direction == ParameterDirection.Input)) && (parameter.Value == null)) 284 { 285 parameter.Value = DBNull.Value; 286 } 287 command.Parameters.Add(parameter); 288 } 289 } 290 return command; 291 } 292 //根据表名和主键id来进行删除 293 public static int DelData(string tabName, string ID) 294 { 295 if (ID != string.Empty && ID != "0") 296 { 297 string sql = string.Format("delete from {0} WHERE (ID IN ({1}))", tabName, ID); 298 int delNum = ExecuteSql(sql); 299 return delNum; 300 } 301 return 0; 302 } 303 //增删改返回执行条数 304 public static int ExecuteSql(string SQLString) 305 { 306 int num2; 307 using (SqlConnection connection = new SqlConnection(conString)) 308 { 309 SqlCommand command = new SqlCommand(SQLString, connection); 310 try 311 { 312 connection.Open(); 313 num2 = command.ExecuteNonQuery(); 314 } 315 catch (SqlException exception) 316 { 317 connection.Close(); 318 throw exception; 319 } 320 finally 321 { 322 if (command != null) 323 { 324 command.Dispose(); 325 } 326 } 327 } 328 return num2; 329 } 330 }
JSONHelper：
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Web; 5 using System.Data; 6 7 using System.Text; 8 using System.Web.Script.Serialization; 9 10 /// <summary> 11 ///JsonHelper 的摘要说明 12 /// </summary> 13 public class JSONHelper 14 { 15 private static List<Dictionary<string, object>> DataTableToList(DataTable table) 16 { 17 List<Dictionary<string, object>> list = new List<Dictionary<string, object>>(); 18 19 foreach (DataRow row in table.Rows) 20 { 21 Dictionary<string, object> dic = new Dictionary<string, object>(); 22 foreach (DataColumn column in table.Columns) 23 { 24 dic.Add(column.ColumnName,row[column.ColumnName]); 25 } 26 list.Add(dic); 27 } 28 29 return list; 30 } 31 32 public static string ObjectToJson(object obj) 33 { 34 JavaScriptSerializer jss = new JavaScriptSerializer(); 35 return jss.Serialize(obj); 36 } 37 38 public static string DataTableToJson(DataTable table) 39 { 40 return ObjectToJson(DataTableToList(table)); 41 } 42 43 /// <summary> 44 /// 通过拼字符串将DataTable转为Json 45 /// </summary> 46 /// <param name="table"></param> 47 /// <returns></returns> 48 public static string DataTableToJsonEx(DataTable table) 49 { 50 string JsonName = "DataTable"; 51 StringBuilder Json = new StringBuilder("{\"" + JsonName + "\":["); 52 if (table.Rows.Count > 0) 53 { 54 foreach (DataRow row in table.Rows) 55 { 56 Json.Append("{"); 57 foreach (DataColumn column in table.Columns) 58 { 59 Json.Append("\"" + column.ColumnName + "\":\"" + row[column.ColumnName].ToString() + "\","); 60 } 61 Json.Remove(Json.Length - 1, 1); 62 Json.Append("},"); 63 } 64 Json.Remove(Json.Length - 1, 1); 65 } 66 Json.Append("]}"); 67 68 return Json.ToString(); 69 } 70 public static string CreateJsonParameters(DataTable dt, bool displayCount, int totalcount) 71 { 72 StringBuilder JsonString = new StringBuilder(); 73 //Exception Handling 74 if (dt != null) 75 { 76 JsonString.Append("{ "); 77 if (displayCount) 78 { 79 JsonString.Append("\"total\":"); 80 JsonString.Append(totalcount); 81 JsonString.Append(","); 82 } 83 JsonString.Append("\"rows\":[ "); 84 for (int i = 0; i < dt.Rows.Count; i++) 85 { 86 JsonString.Append("{ "); 87 for (int j = 0; j < dt.Columns.Count; j++) 88 { 89 if (j < dt.Columns.Count - 1) 90 { 91 //if (dt.Rows[i][j] == DBNull.Value) continue; 92 if (dt.Columns[j].DataType == typeof(bool)) 93 { 94 JsonString.Append("\"JSON_" + dt.Columns[j].ColumnName.ToLower() + "\":" + 95 dt.Rows[i][j].ToString().ToLower() + ","); 96 } 97 else if (dt.Columns[j].DataType == typeof(string)) 98 { 99 JsonString.Append("\"JSON_" + dt.Columns[j].ColumnName.ToLower() + "\":" + "\"" + 100 dt.Rows[i][j].ToString().Replace("\"", "\\\"") + "\","); 101 } 102 else 103 { 104 JsonString.Append("\"JSON_" + dt.Columns[j].ColumnName.ToLower() + "\":" + "\"" + dt.Rows[i][j] + "\","); 105 } 106 } 107 else if (j == dt.Columns.Count - 1) 108 { 109 //if (dt.Rows[i][j] == DBNull.Value) continue; 110 if (dt.Columns[j].DataType == typeof(bool)) 111 { 112 JsonString.Append("\"JSON_" + dt.Columns[j].ColumnName.ToLower() + "\":" + 113 dt.Rows[i][j].ToString().ToLower()); 114 } 115 else if (dt.Columns[j].DataType == typeof(string)) 116 { 117 JsonString.Append("\"JSON_" + dt.Columns[j].ColumnName.ToLower() + "\":" + "\"" + 118 dt.Rows[i][j].ToString().Replace("\"", "\\\"") + "\""); 119 } 120 else 121 { 122 JsonString.Append("\"JSON_" + dt.Columns[j].ColumnName.ToLower() + "\":" + "\"" + dt.Rows[i][j] + "\""); 123 } 124 } 125 } 126 /*end Of String*/ 127 if (i == dt.Rows.Count - 1) 128 { 129 JsonString.Append("} "); 130 } 131 else 132 { 133 JsonString.Append("}, "); 134 } 135 } 136 JsonString.Append("]"); 137 JsonString.Append("}"); 138 return JsonString.ToString().Replace("\n", ""); 139 } 140 else 141 { 142 return null; 143 } 144 } 145 public static string DtToSON2(DataTable dt, string page, string total) 146 { 147 StringBuilder jsonString = new StringBuilder(); 148 jsonString.AppendLine("{"); 149 jsonString.AppendFormat("page: {0},\n", page); 150 jsonString.AppendFormat("total: {0},\n", total); 151 jsonString.AppendLine("rows: ["); 152 for (int i = 0; i < dt.Rows.Count; i++) 153 { 154 jsonString.Append("{"); 155 jsonString.AppendFormat("id:'{0}',cell:[", dt.Rows[i][0].ToString()); 156 for (int j = 0; j < dt.Columns.Count; j++) 157 { 158 if (j == dt.Columns.Count - 1) 159 { 160 jsonString.AppendFormat("'{0}'", dt.Rows[i][j].ToString()); 161 } 162 else 163 { 164 jsonString.AppendFormat("'{0}',", dt.Rows[i][j].ToString()); 165 } 166 if (j == dt.Columns.Count - 1) 167 { 168 jsonString.AppendFormat(",'{0}'", "<input type=\"button\" value=\"查看\" id=\"sss\" onclick=\"sss(" + dt.Rows[i][0].ToString() + ")\" />"); 169 } 170 } 171 jsonString.Append("]"); 172 if (i == dt.Rows.Count - 1) 173 { 174 jsonString.AppendLine("}"); 175 } 176 else 177 { 178 jsonString.AppendLine("},"); 179 } 180 } 181 jsonString.Append("]"); 182 jsonString.AppendLine("}"); 183 return jsonString.ToString(); 184 } 185 }
数据库表字段：
