.NET 解决重复提交问题

1.在ASPX页面下加一个隐藏域         <asp:HiddenField ID="HidSign" runat="server" />

2.cs代码

?

protected void Page_Load( object sender, EventArgs e)

        {

            if (!IsPostBack)

            {

                 UpdateSign();

            }

         }

 

 

 

 

       static string rp_GoodsEdit;

        public void UpdateSign()

        {

            HidSign.Value = DateTime.Now.ToString( "ffffff" );

            rp_GoodsEdit = HidSign.Value;

        }

 

 

//

?

protected void btnSave_Click( object sender, EventArgs e)

        {

            if (rp_GoodsEdit == HidSign.Value)

            {

                UpdateSign();

            }

            else

            {

                this .ClientScript.RegisterStartupScript( this .GetType(), "startup" , "alert('请勿重复提交！');self.parent.tb_remove('reload');" , true );

                UpdateSign();

                return ;

            }

................

}