本文主要是介绍easyui datagrid动态绑定列名和数据，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
ashx文件内容 public void ProcessRequest(HttpContext context){//示例用，各位可以根据自己需求写 var id = context.Request["id"];if (id.ToString().Equals("1")){DataTable dt = createTable();DataRow dr = dt.NewRow();dr["field"] = "building_id";dr["title"] = "公寓编号";dr["align"] = "center";dr["width"] = 100;dt.Rows.Add(dr);dr = dt.NewRow();dr["field"] = "building_name";dr["title"] = "公寓名称";dr["align"] = "center";dr["width"] = 100;dt.Rows.Add(dr);dr = dt.NewRow();dr["field"] = "building_info";dr["title"] = "公寓信息";dr["align"] = "center";dr["width"] = 100;dt.Rows.Add(dr);dr = dt.NewRow();dr["field"] = "school_area";dr["title"] = "所在校区";dr["align"] = "center";dr["width"] = 100;dt.Rows.Add(dr);//string sql = "select building_id,building_name,building_info,school_area from building";//string countsql = "select count(*) from building";//int count = DBHelper.GetScalar(countsql);//DataTable dtt = DBHelper.GetDataSet(sql);DataTable dtt = new DataTable();dtt.Columns.Add("building_id");dtt.Columns.Add("building_name");dtt.Columns.Add("building_info");dtt.Columns.Add("school_area");DataRow drTemp;for (int i = 0; i < 10; i++){drTemp = dtt.NewRow();drTemp["building_id"] = "A" + i.ToString();drTemp["building_name"] = "A" + i.ToString() + "号楼";drTemp["building_info"] = "A" + i.ToString() + "公寓";drTemp["school_area"] = "A" + i.ToString() + "小营";dtt.Rows.Add(drTemp);}int count = dtt.Rows.Count;Hashtable ht = new Hashtable();ht.Add("total", count);ht.Add("columns", dt);ht.Add("rows", dtt);string strJson = Newtonsoft.Json.JsonConvert.SerializeObject(ht);context.Response.Clear();context.Response.ContentEncoding = Encoding.UTF8;context.Response.ContentType = "application/json";context.Response.Write(strJson);context.Response.Flush();context.Response.End();}else{DataTable dt = createTable();DataRow dr = dt.NewRow();dr["field"] = "building_id";dr["title"] = "公寓编号";dr["align"] = "center";dr["width"] = 100;dt.Rows.Add(dr);dr = dt.NewRow();dr["field"] = "building_name";dr["title"] = "公寓名称";dr["align"] = "center";dr["width"] = 100;dt.Rows.Add(dr);dr = dt.NewRow();dr["field"] = "school_area";dr["title"] = "所在校区";dr["align"] = "center";dr["width"] = 100;dt.Rows.Add(dr);//string sql = "select building_id,building_name,school_area from building";//string countsql = "select count(*) from building";//int count = DBHelper.GetScalar(countsql);//DataTable dtt = DBHelper.GetDataSet(sql);DataTable dtt = new DataTable();dtt.Columns.Add("building_id");dtt.Columns.Add("building_name");dtt.Columns.Add("building_info");dtt.Columns.Add("school_area");DataRow drTemp;for (int i = 0; i < 10; i++){drTemp = dtt.NewRow();drTemp["building_id"] = "B" + i.ToString();drTemp["building_name"] ="B"+ i.ToString() + "号楼";drTemp["building_info"] = "B"+i.ToString() + "公寓";drTemp["school_area"] = "B"+i.ToString() + "小营";dtt.Rows.Add(drTemp);}int count = dtt.Rows.Count;Hashtable ht = new Hashtable();ht.Add("total", count);ht.Add("columns", dt);ht.Add("rows", dtt);string strJson = Newtonsoft.Json.JsonConvert.SerializeObject(ht);context.Response.Clear();context.Response.ContentEncoding = Encoding.UTF8;context.Response.ContentType = "application/json";context.Response.Write(strJson);context.Response.Flush();context.Response.End();}}public DataTable createTable(){DataTable dt = new DataTable("myTable");//field列 DataColumn columnField = new DataColumn();//创建一列 columnField.DataType = System.Type.GetType("System.String");//数据类型 columnField.ColumnName = "field";//列名 dt.Columns.Add(columnField);//添加到table //title列 DataColumn columnTitle = new DataColumn();columnTitle.DataType = System.Type.GetType("System.String");columnTitle.ColumnName = "title";dt.Columns.Add(columnTitle);//align列 DataColumn columnAlign = new DataColumn();columnAlign.DataType = System.Type.GetType("System.String");columnAlign.ColumnName = "align";dt.Columns.Add(columnAlign);//width列 DataColumn columnWidth = new DataColumn();columnWidth.DataType = System.Type.GetType("System.Int32");columnWidth.ColumnName = "width";dt.Columns.Add(columnWidth);return dt;} public bool IsReusable {get {return false;}}
前台<pre name="code" class="html"><html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server"><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>DataGrid动态生成列</title><link id="Link1" rel="stylesheet" href="../jQEasyUI/jquery-easyui-1.4.2/themes/default/easyui.css"type="text/css" /><link rel="stylesheet" href="../jQEasyUI/jquery-easyui-1.4.2/themes/icon.css" type="text/css" /><script type="text/javascript" src="../jQEasyUI/jquery-easyui-1.4.2/jquery.min.js"charset="utf-8"></script><script type="text/javascript" src="../jQEasyUI/jquery-easyui-1.4.2/jquery.easyui.min.js"charset="utf-8"></script><script type="text/javascript">var grid;$(function () {grid = $('#tt').datagrid({fit: true,//自动大小 rownumbers: true,//行号 loadMsg: '数据装载中......',singleSelect: true,//单行选取 pagination: false,//显示分页 //height:500px,//width:1000px,toolbar: '#tabs',columns: [[]],toolbar: [{text: '显示1',iconCls: 'icon-add',handler: newData}, '-', {text: '显示2',iconCls: 'icon-add',handler: newData2}]});// self.parent.$("#tabs").tabs("loaded");});function newData() {$.post('Test.ashx', { id: 1 },function (data) {grid.datagrid({columns: [data.columns]}).datagrid("loadData", data);}, 'json');}function newData2() {$.post('Test.ashx', { id: 2 },function (data) {grid.datagrid({columns: [data.columns]}).datagrid("loadData", data);}, 'json');}</script>
</head>
<body><form id="form1" runat="server"><div style="height: 1000px"><table id="tt" style="height: 535px"></table></div></form>
</body>
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