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 System.Data.SqlClient;

public partial class UserReg : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Request.Cookies["memberinfo"] != null)
            {
                JavaScriptHelper.AlertAndRedirect("您已经登录。", "usermain.aspx");
                return;
            }
        }
    }

    /// <summary>
    /// 注册
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    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(this.txtRegQq.Text))
        {
            txtRegUserName.Focus();
            JavaScriptHelper.Alert("QQ不能为空。");
            return;
        }
        if (string.IsNullOrEmpty(txtRegUserPwd.Text))
        {
            txtRegUserPwd.Focus();
            JavaScriptHelper.Alert("密码不能为空。");
            return;
        }
        if (string.IsNullOrEmpty(txtRegUserPwd2.Text))
        {
            txtRegUserPwd2.Focus();
            JavaScriptHelper.Alert("确认密码不能为空。");
            return;
        }
        if (txtRegUserPwd.Text != txtRegUserPwd2.Text)
        {
            txtRegUserPwd2.Focus();