How can we identify partial classes in C#?

The class declaration with the keyword partial is denoting that the class is a partial class. Physically the partial classes can be available in different files/locations. The C# compiler treat them as a single class at the time of compilation.

public partial class PartialClassExample
{
public void MethodOne(int input)
{
///Do something.
}
}

public partial class PartialClassExample
{
public string MethodTwo(string input)
{
return string.Format("Hello, {0}", input);
}
}

The PartialClassExample can be sit in different files but at the time of compilation they will be merged together.

Hope this helps!

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