asp.net 解决重复提交问题

<asp:button id="btnSubmit" onclick="btnSubmit_Click" runat="server"  OnClientClick="this.disabled=true;this.form.submit();" UseSubmitBehavior="False" />

或

this.btnSubmit.Attributes["onclick"] = this.GetPostBackEventReference(this.btnSubmit) + ";this.disabled=true;";     //防止重复提交