The following figure shows how to deploy WCF: The type "service. calculatorservice" provided as the Service property value in the servicehost command ".

This talent appeared when I learned how to release WCF to IIS:

"/" Application Program Server error.

The type "service. calculatorservice" provided as the Service property value in the servicehost command cannot be found ".

Note:An error occurred while executing the current Web request. Check the stack trace information to learn about this error andCodeDetailed information about the cause of the error.

Exception details:System. invalidoperationexception: The type "service. calculatorservice" provided as the Service property value in the servicehost command cannot be found ".

Source error:

An unhandled exception is generated during the execution of the current Web request. You can use the following exception stack trace information to determine the cause and location of the exception.

Stack trace:

[Invalidoperationexception: The type "service. calculatorservice" provided as the Service property value in the servicehost command cannot be found.] System. servicemodel. activation. servicehostfactory. createservicehost (string constructorstring, Uri [] baseaddresses) + 4073430 system. servicemodel. hostingmanager. createservice (string normalizedvirtualpath) + 11659180 system. servicemodel. hostingmanager. activateservice (string normalizedvirtualpath) + 42 system. servicemodel. hostingmanager. ensureserviceavailable (string normalizedvirtualpath) + 479 [serviceac Tivationexception: the "/service/calculatorservice. SVC" service cannot be activated due to exceptions during compilation ". Exception message: the type "service. calculatorservice" provided as the Service property value in the servicehost command cannot be found.] System. servicemodel. asyncresult. end (iasyncresult result) + 11530250 system. servicemodel. activation. hostedhttprequestasyncresult. end (iasyncresult result) + 194 system. servicemodel. activation. hostedhttprequestasyncresult. executesynchronous (httpapplication context, Boolean flowcontext) + 176 system. servicemodel. activation. httpmodule. processrequest (Object sender, eventargs e) + 278 system. web. synceventexecutionstep. system. web. httpapplication. iexecutionstep. execute () + 68 system. web. httpapplication. executestep (iexecutionstep step, Boolean & completedsynchronously) + 75