我用的Ajax控件TabContainer只可以有一个button提交，另一个点击没有反应。。请教学者帮忙解决一下。。万分感谢

[yjwksaps]

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 TradeModels;
using TradeBLL;

public partial class Front_Amendinfo : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
UsersInfo user = UsersManager.GetUserInfoById(4);
this.lbl_id.Text = user.UId.ToString();
this.lbl_name.Text = user.UName;
//user =(UsersInfo) Session["user"];//此处为从session中取出用户
this.txt_name.Text = user.UName;
this.txt_email.Text = user.UEmail;
this.txt_phom.Text = user.UPhone;
this.txt_address.Text = user.UAddress;
this.txt_answer.Text = user.UAnswer;
this.Image1.ImageUrl = "~/Image/logo/heads/" + user.UHead;
}

}

protected string getimgurl(int i)
{
string savePath = "";
if (this.ddr_img.SelectedIndex == 0)
{
if (this.FileUpload1.HasFile)
{
try
{
savePath = FileUpload1.FileName.ToString();
this.Image1.ImageUrl = "~/Image/logo/heads/" + savePath;
return savePath;
}
catch (Exception ce)
{
Response.Write(ce.Message);
return savePath = "NoImage.jpg";
}
}
else
{
this.Image1.ImageUrl = "~/Image/logo/heads/NoImage.jpg";
return savePath = "NoImage.jpg";
}
}
else
{
return this.ddr_img.SelectedValue.ToString();
}

}

protected void btn_save2_Click(object sender, EventArgs e)
{
string pwd = this.txt_pwd.Text;
int id = Convert.ToInt32(this.lbl_id.Text);
UsersInfo us = UsersManager.GetUserInfoById(id);
if (us.UPwd.Equals(pwd))
{
us.UPwd = this.txt_pwd2.Text;
bool flag = UsersManager.ChangeUserInfo(us);
if (flag)
{
Response.Write("<script language='javascript' type='text/javascript'>alert('密码修改成功！')</script>");
}
else
{
Response.Write("<script language='javascript' type='text/javascript'>alert('密码修改失败！')</script>");
}
}
else
{
Response.Write("<script language='javascript' type='text/javascript'>alert('原密码不正确，请查正后修改！')</script>");
}
}
protected void btn_save1_Click1(object sender, EventArgs e)
{
string name = this.txt_name.Text;
//UsersInfo user =(UsersInfo) Session["user"];//此处要注意
UsersInfo uu = UsersManager.GetUserInfoById(4);
string pwd = uu.UPwd;
string eamil = this.txt_email.Text;
string phone = this.txt_phom.Text;
string address = this.txt_address.Text;
string answer = this.txt_answer.Text;
UsersInfo u = new UsersInfo();
u.UId = Convert.ToInt32(this.lbl_id.Text);
//u.UName = name;
u.UName = "abcdef";
UsersInfo us = UsersManager.GetUserInfoById(u.UId);
u.UPwd = us.UPwd;
u.UEmail = eamil;
u.UPhone = phone;
u.UAddress = address;
u.UAnswer = answer;
u.UHead = getimgurl(Convert.ToInt32(this.ddr_img.SelectedIndex));
bool flag = UsersManager.ChangeUserInfo(u);
if (flag)
{
Response.Write("<script language='javascript' type='text/javascript'>alert('更改信息成功！')</script>");
}
else
{
Response.Write("<script language='javascript' type='text/javascript'>alert('更改信息失败！')</script>");
}
}
}