findusername.aspx.cs

ajax+md5实现网站登陆注册模块源代码

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Text;
using System.Data.SqlClient;

namespace userName
{
    /// <summary>
    /// Summary description for typeAheadData.
    /// </summary>
    public partial class findUserName : System.Web.UI.Page
    {
        private void Page_Load(object sender, System.EventArgs e)
        {


            Response.ContentType = "text/xml";

            string strId = Request.QueryString["id"];
            string strQuery = Request.QueryString["query"];
            string strAny = "";
            if (Request.QueryString["match_anywhere"] == null ||
                Request.QueryString["match_anywhere"].ToLower() == "true")
            {
                strAny = "%";
            }

            string strSql = "Select top 8 userName, userId FROM UserTab WHERE userName like '" + strAny + strQuery + "%' ORDER BY userName";
            DataTable dtQuestions = FillDataTable(strSql);
            System.Text.StringBuilder strXML = new System.Text.StringBuilder("<ajax-response>");
            strXML.Append("<response type='object' id='");
            strXML.Append(strId);
            strXML.Append("_updater'>");
            strXML.Append("<matches>");
            int iCount = 0;
            foreach (DataRow row in dtQuestions.Rows)
            {
                strXML.Append("<entry>");
                strXML.Append("<text>" + row["userName"].ToString() + "</text>");
                strXML.Append("<value>" + row["userId"].ToString() + "</value>");
                strXML.Append("</entry>");
                iCount++;
            }
            strXML.Append("</matches>");
            strXML.Append("</response>");
            strXML.Append("</ajax-response>");
            string str = null;
            foreach (DataRow row in dtQuestions.Rows)
            {
                str += row["userName"];
            }

            Response.Write(strXML.ToString());
            // Response.Write("chz");

        }

        public static DataTable
            FillDataTable(string sqlQuery)
        {
            string strConn = "Initial Catalog = shopping; Data Source=127.0.0.1; Integrated Security=true";
            SqlConnection conn = new SqlConnection(strConn);
            SqlDataAdapter cmd1 = new SqlDataAdapter();
            cmd1.SelectCommand = new SqlCommand(sqlQuery, conn);
            DataSet dataSet1 = new DataSet();
            cmd1.Fill(dataSet1);
            cmd1.Dispose();
            conn.Close();
            return dataSet1.Tables[0];
        }

        #region Web Form Designer generated code
        override protected void OnInit(EventArgs e)
        {

            InitializeComponent();
            base.OnInit(e);
        }

        /// <summary>
        /// 
        private void InitializeComponent()
        {
            this.Load += new System.EventHandler(this.Page_Load);
        }
        #endregion
    }
}