public void AddGrade(StudentGrade grade)
{
var grades = GetAllGrades();
grades.Add(grade);
Save(grades);
}
private void btnEnter_Click(object sender, EventArgs e)
{
var newGrade = new StudentGrades.StudentGrade()
{
FirstName = txtFirstName.Text,
LastName = txtLastName.Text,
Grade = txtGrade.Text,
Id = Convert.ToInt32(txtId.Text),
Class = txtClass.Text
};
repository.AddGrade(newGrade);
LoadGrades();
UpdateStatusText("A new grade was added");
}