Log exception to file in c# .net core application explained

In production environment when any bug gets reported at that time as developer wants to get the exception details of bug to resolve the issue on high priority.
In some case there might be situation where exception is not logged in table but developer wants to check the bug immediately. for that purpose we need to write the
exception details including stack trace of bug in file. To implement this easily i am going to demonstrate the implementation of custom logging in file as below.

First we need to construct the exception and logger method in custom logger class as shown below.


public class CustomLogger { public static List<string> ConstructExceptionDetails(Exception ex,string FunctionName) { return new List<string>() { $"{DateTime.Now} - {FunctionName}", $"Exception: {ex.Message}", $"StackTrace: {ex.StackTrace}", $"InnerException: {ex.InnerException?.…

Cannot create type 'webservice' error solution

We create a web-service in development environment it working fine. But when we deploy the developed web service in production server many people get the Cannot create type 'some web-service  error. After finding the solution on the net i got one resolution which i am going to share now.

To get ride of this error we need to re-install the .net framework 2.0 in IIS. This is essential to run web service on server. Following is the step you need to follow to register the .net framework in IIS.

  • Open command prompt
  • Then type >CD C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis.exe -i
  • After above instruction the .net framework will be register in IIS.
  • Now run the web service again. it should be run normally.
  • Hurray you did it

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