public void UpdateAsync(ExamLanguage t)
 {
     dbContext.Entry(t).State = EntityState.Modified;
 }
 public void RemoveAsync(ExamLanguage t)
 {
     dbContext.Entry(t).State = EntityState.Deleted;
 }
 public void InsertAsync(ExamLanguage t)
 {
     dbContext.ExamLanguage.Add(t);
 }