Could not load type from assembly

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The Exception:

Could not load type 'Service.WorkFlowForm.Contract.RequestDto' from assembly 'Service.WorkFlowForm.Contract, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'.

I was referenced the Service.WorkFlowForm.Contract.dll, the class RequestDto was new add,i can load
other class in Service.WorkFlowForm.Contract.dll but RequestDto, what's wrong with that?any help?
thanks!

Posted 7-May-14 23:48pm

tanghuawei

Updated 23-Jun-23 4:19am

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2 solutions

Solution 1

When you add a new class to the dll, and that class is used by both the server and the client, you have to deploy the new dll on both the server and the client (note: you ought to change the version number when you do such a change!).

Posted 8-May-14 0:26am

Bernhard Hiller

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tanghuawei 15-May-14 5:23am

Thanks for Bernhard Hiller,how can i to change the version number?i should deploy the new dll instead of rebuild?

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Raul Iloc · Accepted Answer · 2014-05-08T00:31:00

Solution 2

1.This error signals that your Service.WorkFlowForm.Contract.dll do not contains the RequestDto class, or the class that you are trying to access is private.

2.If your class was new added in your DLL, maybe your are referring a wrong version of the DLL and you have to clean your solution and rebuild all.

Posted 8-May-14 0:31am

Raul Iloc

Comments

tanghuawei 15-May-14 5:21am

thanks Raul Iloc,the class is public, and the version i referred was right too, i was referred it in WorkflowApplicationService.cs is ok but not work in WorkflowRuntimeEndpoint.cs,i have no idea