How Can I Use C# Keywords as Property Names?

Escape keywords as property names in C#

When defining properties in C#, you may want to use reserved keywords for property names. For example, in ASP.NET MVC, you might want to use "class" as the property name for a TextBox. However, this is not allowed because "class" is a keyword in C#.

Solution: Use "@" as prefix

To solve this problem, you can use the "@" character as a prefix for the attribute name. This is the designated escaping mechanism in C# for using keywords as identifiers. For example, to name a property "class" you would write it as "@class".

Example:

<code class="language-csharp">public class MyClass
{
    public string @class { get; set; }
}</code>

Note on code compatibility

Please remember that this technique is only compatible with C# 2.0 and higher. In C# 1.0, using keywords as identifiers is prohibited.

Refer to MSDN documentation

The MSDN documentation for the C# keyword states:

" keywords are predefined reserved identifiers that have special meaning to the compiler. They cannot be used as identifiers in your program unless they contain @ as a prefix. For example, @if is a valid identifier , but if is not, because if is a keyword ”

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