After the Silverlight service is updated, it cannot be regenerated.

In many cases, some inexplicable compilation errors may occur, such as the failure to reference the WCF Service and the inability to generate Client Reference Service configurations, in many cases, I can solve this problem by re-compiling the WCF multiple times and re-updating the service, today, a new problem occurs-you can only reset the port number to manual (and a random port number) through the Web attribute ), then, change the port number back to the original Automatic value to solve the problem (for example, if the original port number is 3079 automatically allocated, change it to manual specific port 3076 to update the service reference and report an error, and then change it back to 3079 for automatic allocation, update the service reference again, regenerate the project, and solve the problem ).