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Casting Error trying to add Enhanced Calendar Web Part Options · View
#1 Posted : Tuesday, May 25, 2010 11:32:16 PM
Rank: Newbie

Groups: Registered

Joined: 5/25/2010
Posts: 1
Location: Raleigh, NC
I downloaded v1.3 and installed on my 32-bit MOSS 2007 server and when I tried to add this new web part to a page, I'm getting the following error:
Unable to cast object of type 'System.Web.Configuration.ScriptingScriptResourceHandlerSection' to type 'System.Web.Configuration.ScriptingScriptResourceHandlerSection'.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidCastException: Unable to cast object of type 'System.Web.Configuration.ScriptingScriptResourceHandlerSection' to type 'System.Web.Configuration.ScriptingScriptResourceHandlerSection'.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

What do I need to do to fix this?
#2 Posted : Thursday, May 27, 2010 12:48:35 PM
Rank: Developers Team

Groups: Registered

Joined: 5/27/2010
Posts: 80
Location: Lviv
Reason of that issue is conflict version of System.Web.Extensions assembly.
Please do the following next steps:

1. Backup your web.config

2. Add following code in assemblyBinding section of runtime of your web.config file:
<assemblyIdentity name="System.Web.Extensions" publicKeyToken="31BF3856AD364E35" culture="neutral" />
<bindingRedirect oldVersion="1.0.61025.0" newVersion=""/>

3. Restart IIS service.

Let me know if it helps you.
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