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Asked: 2026-05-28T03:10:20+00:00

Automapper is a good tool. But i have some problems . While debugging the

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Automapper is a good tool. But i have some problems .

While debugging the project it works fine , all mapping operations are succeded. But in release mode it throws mappingexception with exactly the same data.

What can be the problem ?

my environment is Win7 , 32 bit, VS 2010 . projects works on .net 4.0 profile. 

 Mapper.CreateMap<V_Person_Details,Person>();
 Mapper.Map(curr_V_Person, cur_Person); /// exception throws here in just release mode , not in debug mode 
   ///Trying to map System.String to System.nullable .... Destination property  SSS_ID : exception of the Automapper.AutomapperMappingException was thrown.

 ....
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1 Answer

  1. Editorial Team

    Run the Mapper.AssertConfigurationIsValid() method in debug mode to verify that you don’t have any configuration errors that is only showing up in release mode.

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