form 加入runat="server"，出現錯誤?answer

form 加入runat="server"，出現錯誤?answer

<form runat="server" method="post" action="DisplayReport.aspx">
    <!-- form stuff goes here -->
    <asp:button runat="server" text="Submit" />
</form>

Do this:

<form runat="server">
    <!-- form stuff goes here -->
    <asp:button runat="server" text="Submit" postbackurl="DisplayReport.aspx" />
</form>

insert tag
postbackurl="DisplayReport.aspx"


 forward from
http://stackoverflow.com/questions/1398914/validation-of-viewstate-mac-failed-on-postback-to-a-different-page

http://www.csharpaspnetarticles.com/2009/08/cross-page-posting-in-aspnet.html