UserReg.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using CommonLib;
using System.Data.SqlClient;

public partial class UserReg : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void btnReg_Click(object sender, EventArgs e)
    {
        if (string.IsNullOrEmpty(txtRegUserName.Text))
        {
            txtRegUserName.Focus();
            JavaScriptHelper.Alert("帐号不能为空。");
            return;
        }
        if (string.IsNullOrEmpty(txtRegUserPwd.Text))
        {
            txtRegUserPwd.Focus();
            JavaScriptHelper.Alert("密码不能为空。");
            return;
        }
        if (string.IsNullOrEmpty(txtRegTitle.Text))
        {
            txtRegTitle.Focus();
            JavaScriptHelper.Alert("姓名不能为空。");
            return;
        }

        if (DB.getDataTable("select * from member where username='" + txtRegUserName.Text + "'").Rows.Count > 0)
        {
            JavaScriptHelper.Alert("此帐号已存在。");
            return;
        }

        string userpwd = txtRegUserPwd.Text.Trim();
        string sql = "insert into member(username,userPwd,Title) ";
        sql += "values('" + txtRegUserName.Text + "','" + userpwd + "','" + txtRegTitle.Text + "')";

        SqlConnection cn = DB.OpenConnection();
        SqlCommand cmd = new SqlCommand(sql, cn);
        cmd.ExecuteNonQuery();
        cn.Close();
        cn.Dispose();

        //写COOKIE
        HttpCookie cookie = new HttpCookie("memberinfo");
        cookie.Values["UserName"] = HttpContext.Current.Server.UrlEncode(txtRegUserName.Text);