Turn on IncludeExceptionDetailInFaults

If you get following error :

The server was unable to process the request due to an internal error. For more information about the error, either turn on IncludeExceptionDetailInFaults (either from ServiceBehaviorAttribute or from the <serviceDebug> configuration behavior) on the server in order to send the exception information back to the client, or turn on tracing as per the Microsoft .NET Framework 3.0 SDK documentation and inspect the server trace logs.

Then change the following in web.config file.
Go to  behaviors - serviceBehaviors -
<serviceDebug httpHelpPageEnabled="true" includeExceptionDetailInFaults="true" />

Site Collection In Sharepoint

How to delete a site collection in SharePoint 2010?
      1.  Open the Central Administration
      2.  Application Management
      3.  Site collections
      4.  Delete a site collection
      5.  Select the appropriate site link
      6.  Click OK


How to create a site collection in SharePoint 2010?
     1.  Open the Central Administration
     2.  Application Management
     3.  Site collections
     4.  Create site collections
     5.  Select the web application on which you wants to create a site collection
     6.  Enter the name of the site and URL as per your requirements
     7.  Select the template
     8.  Enter the primary and secondary admins
     9.  Select the storage quota that you want to assign
    10.  Click Create


How to Change site collection administrators?
     1.  Open the Central Administration
     2.  Application Management
     3.  Site collections
     4.  Change site collection administrators
     5.  Select the site collection from the dropdown list for which you want to change the admins
     6.  Change the admins as per their ID's
     7.  Click OK


How to change the quota for site collection?
     1.  Open the Central Administration
     2.  Application Management
     3.  Site collections
     4.  Configure quotas and locks
     5.  Select the appropriate site collection from the dropdown
     6.  Assign a new quota as per your requirements
     7.  Click ok


How to View all site collections?
     1.  Open the Central Administration
     2.  Application Management
     3.  Site collections
     4.  Open the Central Administration
     5.  Application Management
     6.  View all site collections
     7.  Select the correct web applications from the dropdown
     8.  You will see the list of site collections underneath