Partial Classes in C#.Net - examples usage definition

Definition :Partial types are allow to define a single class in multiple files (more than one file), when compilation time theses classes are combined to form a single class.

The partial modifier is not available on delegate or enumeration declarations.

Example
//partial class


public partial class Student
{
public virtual void GetRollNo();
}

public partial class Student
{
public virtual void GetStudentName();
}

//Derived class

public class School : Student
{
public void getStudentDetails()
{
GetRollNo();
getStudentDetails();
}
}