To debug a SharePoint solution you need to set following values in web.config
- 1. Turn on the call stack in the SafeMode entry
CallStack=»true»
- 2. Disable custom errors
<customErrors mode=»Off» />
- 3. Enable debugging
<compilation debug=»true»>
Go to \\Inetpub\wwwroot\wss\VirtualDirectories\<Port_Number>
This web.config defines configuration settings for a SharePoint Web application.
Now you might still get custom error message on your application page and not the real exception.
This happens because there are web.config at other places too in SharePoint. So for configuration of layouts directory where an application page resides, you need to change the web.config at following location too.
Additonal Notes from msdn.
Web.config files are contained in the following folders within the file system:
-
\\Inetpub\wwwroot\wss\VirtualDirectories\ Port_Number
The web.config file that defines configuration settings for a SharePoint content Web application.
-
\\Inetpub\wwwroot\wss\VirtualDirectories\ Port_Number_of_Central_Administration
The web.config file that defines configuration settings for the SharePoint Central Administration application.
-
%ProgramFiles%\Common Files\Microsoft Shared\web server extensions\15\CONFIG
The web.config file and other .config files that together define configuration settings for extending other Web applications.
-
%ProgramFiles%\Common Files\Microsoft Shared\web server extensions\15\ISAPI
The web.config file that defines configuration settings for the /_vti_bin virtual directory.
-
%ProgramFiles%\Common Files\Microsoft Shared\web server extensions\15\TEMPLATE\LAYOUTS
The web.config file that defines configuration settings for the /_layouts virtual directory
PCASME 