<%@ WebHandler Language="C#" Class="post" %>

using System;
using System.Web;

using System.Data.SqlClient;
using System.Data;
using System.IO;
using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
public class post : IHttpHandler {

public void ProcessRequest (HttpContext context) {
        context.Response.ContentType = "
 
text/plain";
        SqlConnection conn = new SqlConnection("server=.;database=LTArticle;uid=sa;pwd=;");
        conn.Open();
        String CId = context.Request.Form["CId"];
        SqlCommand com = new SqlCommand("select id,Title from LT_Article where ColumnId=" + CId, conn);
        SqlDataReader sdr = com.ExecuteReader();

        StringWriter sw = new
 
 StringWriter();
        JsonWriter writer = new JsonWriter(sw);
        writer.WriteStartArray();  // [            while (sdr.Read())
            {
                   writer.WriteStartObject(); // {                    for (int i = 0; i < sdr.FieldCount; i++)
                    {
                        writer.WritePropertyName(sdr.GetName(i).Trim());  //
 
行的列名                        writer.WriteValue(sdr[i].ToString());
                    }
                    writer.WriteEndObject();  // }            }
        writer.WriteEndArray(); // ]        context.Response.Write(sw.GetStringBuilder().ToString());

    }

public bool IsReusable {
get {
return false;
        }
    }

}