ASP.NET 防止回上一頁重複新增

ASP.NET 防止回上一頁重複新增

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.cs

protected void Page_Load(object sender, EventArgs e)
 {
      Response.Cache.SetCacheability(HttpCacheability.NoCache);
      Response.Cache.SetNoStore();            
      Response.Cache.SetExpires(DateTime.MinValue);
 }

 protected void Button1_Click(object sender, EventArgs e)
 {
       Save();
       Response.Redirect("success.aspx");
       //Server.Transfer("success.aspx", true);
 }

 private void Save()
 { }