script中的C#

using System;
using System.Data;
using System.Configuration;
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;

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

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        this.ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('恭喜你注册成功~!你的用户名是：" + TextBox1.Text.ToString() + "||密码：" + TextBox2.Text.Trim() + "||姓名：" + TextBox4.Text + "||年龄：" + TextBox5.Text + "||保密邮箱：" + TextBox6.Text + "')</script>");
    }
}

联系我时，请说是在环球搜宝网看到的。