CODE EXAMPLE FOR CSHARP

wpf mvvm crud example

public class StudentRepository
{
	private StudentEntities studentContext = null;

	public StudentRepository()
	{
		studentContext = new StudentEntities();
	}

	public Student Get(int id)
	{
		return studentContext.Students.Find(id);
	}

	public List<Student> GetAll()
	{
		return studentContext.Students.ToList();
	}

	public void AddStudent(Student student)
	{
		if (student != null)
		{
			studentContext.Students.Add(student);
			studentContext.SaveChanges();
		}
	}

	public void UpdateStudent(Student student)
	{
		var studentFind = this.Get(student.ID);
		if (studentFind != null)
		{
			studentFind.Name = student.Name;
			studentFind.Contact = student.Contact;
			studentFind.Age = student.Age;
			studentFind.Address = student.Address;
			studentContext.SaveChanges();
		}
	}

	public void RemoveStudent(int id)
	{
		var studObj = studentContext.Students.Find(id);
		if (studObj != null)
		{
			studentContext.Students.Remove(studObj);
			studentContext.SaveChanges();
		}
	}
}