public void Edit()
{
var updatedSession = new DataLayer.EfClasses.TrainingSession
{
SessionId = SessionToEdit.SessionId,
CourseId = SelectedCourse.CourseId,
SessionFee = double.Parse(Fee),
SessionCapacity = uint.Parse(Capacity)
};
SessionToEdit.Fee = double.Parse(Fee);
SessionToEdit.Capacity = uint.Parse(Capacity);
SessionToEdit.CourseName = SelectedCourse.CourseName;
_trainingSessionService.UpdateTrainingSession(updatedSession);
}