实在想不出自己哪里出错了，关于强数据集无法修改数据库的问题

using System;
using System.Collections;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml.Linq;
using System.Data.SqlClient;
using WebApplication2.DataSet1TableAdapters;
namespace WebApplication2
{
    /// <summary>
    /// $codebehindclassname$ 的摘要说明
    /// </summary>
    [WebService(Namespace = "http://")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    public class 数据集h1 : IHttpHandler
    {

        public void ProcessRequest(HttpContext context)
        {
            context.Response.ContentType = "text/html";
            string name = context.Request["Name"];
            string password = context.Request["Password"];
            Table1TableAdapter adapter = new Table1TableAdapter();
            WebApplication2.DataSet1.Table1DataTable persons = adapter.GetData();
            persons[0].Password = password;

            persons[0].Name = name;
   

        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}