private void Submit_AddUnCummGPA_Click(object sender, EventArgs e) { int studentID; try { studentID = int.Parse(ID_AddUnCummGPA.Text); } catch { MessageBox.Show("Please make sure a number is in the ID field!"); return; } string ID = studentID + ""; float GPA; try { GPA = float.Parse(Grade_AddUnCummGPA.Text); } catch { MessageBox.Show("Please make sure a number is in the GPA field!"); return; } string unCumGPA = GPA + ""; if (GPA > 100 || GPA < 0) { MessageBox.Show("Please make sure GPA is between 0 and 100!"); return; } DateTime date = DateTime.Now; string year = date.Year.ToString(); string month = date.Month.ToString(); string day = date.Day.ToString(); string curDay = year + '-' + month + '-' + day; string className = classNameDrop.Text; if (Model.InsertUnCumGPA(ID, unCumGPA, curDay, className)) { Model.UpdateStudentTableGradeDate(ID, curDay); this.Close(); } else { MessageBox.Show("Something went wrong in processing the GPA. Please try again."); } }