The current build operation (build key Build Key[Microsoft.Practices.EnterpriseLibrary.Data.Database, null]) failed: The value can not be null or an empty string. (Strategy type ConfiguredObjectStrategy, index 2)

         You may find this error while working with Data Application block in enterprise library. When you look into the inner exception you will find the message “The value can not be null or an empty string.”.  This message does not give proper information to user.
         When enterprise library does not find default database [...]

Read Full Post »

An error occurred creating the configuration section, ‘Microsoft.Practices.EnterpriseLibrary,The located assembly’s manifest definition does not match the assembly reference

     Today I was exploring Enterprise Library 4.1 and encounter this error. I created a sample application and added reference to few DLL from “EntLib41Src\bin” folder to my application. When I hit F5 to run the application I got following error,
“An error occurred creating the configuration section handler for exceptionHandling: Could not load file or [...]

Read Full Post »