ajax/login.ashx

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

using System;
using System.Web;
using System.Web.SessionState;
using System.Data.SqlClient;


public class login : IHttpHandler,IRequiresSessionState {
    
    public void ProcessRequest (HttpContext context) {
        context.Response.ContentType = "text/plain";
        string xm = context.Request["xm"].ToString().Trim();
        string pwd =MD5.Hash( context.Request["pwd"].ToString().Trim());
        string bjid = context.Request["bj"].ToString().Trim();
        string strSql = "select id from tb_xiaoyou where xy_xm=@xm and xy_bjid=@bjid and xy_pwd=@pwd";
        SqlParameter[] p = new SqlParameter[] {
            new SqlParameter ("@xm",xm ),
            new SqlParameter ("@bjid",bjid ),
            new SqlParameter ("@pwd",pwd),
        };
      System.Data.DataTable  dt = SqlHelper.ExecuteQuery(strSql, p);
      string r;
      if (dt.Rows.Count > 0)
      {
          System.Data.DataRow[] dr = dt.Select();
          context.Session["id"] = dr[0][0].ToString();
          r = "1";

      }
      else
      {
          r = "0";
      }
        
        
        context.Response.Write(r);
    }
 
    public bool IsReusable {
        get {
            return false;
        }
    }

}