We have already created and used basic console applications, but now we should delve into them more deeply.
Console applications are text-based and are run at Command Prompt. They typically perform simple tasks that need to be scripted, such as compiling a file or encrypting a section of a configuration file. They can have arguments passed to them to control their behavior; for example, to encrypt the database connection strings section in a Web.config
file, use the following command line:
aspnet_regiis -pdf "connectionStrings" "c:\mywebsite"
The two most common tasks that a console application performs are writing and reading data. We have already been using the WriteLine
method to output. If we didn't want a carriage return at the end of the lines, we could have used the Write
method.
C# 6 and later has a handy feature named string interpolation. This allows us to easily output one or more variables in a nicely formatted...