刚接触easyUI,下面是代码
$(document).ready(function () {
$('#tdd').datagrid({
title: '统计 报表',
iconCls: 'icon-save',
width: 1000,
height: 550,
toolbar: '#tb',
url: "M_goods.ashx/ProcessRequest ", //接收一般处理程序返回来的json数据
columns: [[
{ field: 'GoodsId', title: 'GoodsId', width: 100 },
{ field: 'GoodsName', title: 'GoodsName', width: 100 }
]],
pagination: true,
rownumbers: true,
method: 'post'
});
}
);
url路径中的代码,一般程序
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/json";
DataTable dt = goodtab.GetData();
int count = dt.Rows.Count;
string strJson = DataTable2Json(dt);//DataSet数据转化为Json数据
context.Response.Write(strJson);//返回给前台页面
context.Response.End();
}
/// <summary>
/// dataTable转换成Json格式
/// </summary>
/// <paramname="dt"></param>
///<returns></returns>
public static string DataTable2Json(DataTable dt)
{
StringBuilder jsonBuilder = new StringBuilder();
for (int i = 0; i < dt.Rows.Count; i++)
{
jsonBuilder.Append("{");
for (int j = 0; j < dt.Columns.Count; j++)
{
jsonBuilder.Append("\"");
jsonBuilder.Append(dt.Columns[j].ColumnName);
jsonBuilder.Append("\":\"");
jsonBuilder.Append(dt.Rows[i][j].ToString());
jsonBuilder.Append("\",");
}
if (dt.Columns.Count > 0)
{
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
}
jsonBuilder.Append("},");
}
if (dt.Rows.Count > 0)
{
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
}
return jsonBuilder.ToString();
}
这个strJson里面是有值的,并且格式是json格式,但是在前台不显示