Run app as a specific user

Running an application as a specific user is common practice, but sometimes it’s helps to debug your application if you can run it as a specific user.

This does not change security context which the application runs as.
This works if you have your own user/role tables that control application security.

So if you add a key to your config file (web.config for example) then anytime you need to get the current user just call this method.

If the strUsername key is set to “Default” it will run as the current user.
If you set it to some other username it will return that username.

public static string GetUsername()
                if (System.Configuration.ConfigurationManager.AppSettings["strUsername"].ToString() == "Default")
                    return HttpContext.Current.User.Identity.Name.Substring(HttpContext.Current.User.Identity.Name.IndexOf('\\') + 1).ToLower();
                    return System.Configuration.ConfigurationManager.AppSettings["strUsername"].ToString();
            catch (Exception ex)
                throw ;

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