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

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

    }
    protected void btn_receive_Click(object sender, EventArgs e)
    {
        Response.Redirect("~/MailBox.aspx?type=1");
    }
    protected void btn_newmail_Click(object sender, EventArgs e)
    {
        Response.Redirect("SendMail.aspx");
    }
}