private void UpdateStudentMarks(object obj) { MarksDataAccess objMarksDataAccess = new MarksDataAccess(); var UpdatedMarksList = objMarksDataAccess.UpdateMarks(MarksList, RollNumberForUpdateMarks); MarksList = new ObservableCollection <MarksResult>(); MarksList = UpdatedMarksList; MessageBox.Show("Marks Updated!"); }
private void GetStudentMarksData(object obj) { RollNumberForUpdateMarks = RollNumber; MarksDataAccess objMarksDataAccess = new MarksDataAccess(); if (RollNumber <= 0) { MessageBox.Show("Enter a valid Roll Number"); } else { MarksList = objMarksDataAccess.GetMarks(RollNumber); if (MarksList.Count == 0) { MessageBox.Show("Roll Number doesn't exist!"); } } }