Converts a single character to an integer.

Converts a single character to an integer.

Converts a character to an integer as required by the title. There are several ways to implement this function
Method 1: Convert. ToInt32 (string );

 

Run the Code:

 

Method 2: int. Parse (object ):

 

Running result:

 

This character is exactly a string of numbers. There is no problem with int. Parse (), but what if it is a non-numeric string?

 

An exception occurred during running:

 

 

Method 3: Int. TryParse (obj)

This method can well solve the exception problem of the method. For example, when an exception is thrown, it returns 0:

Running result:

 

After the above methods or running conditions, do we have a comprehensive method? That is, it can run normally regardless of the conversion of any object!
The following Insus. NET attempts to write an extension method:

Use this extension method in the program:

 

Running result: