WebPart Error in Share Point Page

shibily

Hi,
I am trying to connect Navision with Share Point through Employee Portal.
I have installed everything, needed for the integration.

1 Install Microsoft Windows Server 2003
2 Install Microsoft Internet Information Server (included with Windows Server 2003)
3 Install Microsoft ASP.NET 1.1 (included with Windows Server 2003)
4 Install Microsoft Message Queueing Services (included with Windows Server 2003)
5 Install Microsoft SharePoint Services
6 Install Microsoft Visual J# .NET 1.1 Framework Redistributable Package

I found the Card Web part option, Header-Line Wepart OPtion etc in share point site. when i drag and drop any of those web part, i get an error.

" Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation."

Ii click the Add button, then also the same error comes.

Any body know the solution for this?

Thanks in advance

shibily

kriki

[Topic moved from Navision forum to Navision e-Commerce forum]