private void button2_Click(object sender, EventArgs e)
{
int numoflec = 0;
int numoftut = 0;
int quantity; // for try parse
string nameCourse = tb_nameCoures.Text;
int Department_choose;
char Year;
char Semester;
while (true)
{
//--------Name course check
if ((nameCourse == "") || (int.TryParse(nameCourse, out quantity)))
{
MessageBox.Show("You need input legal name course"); //empty textBox or not integer
tb_nameCoures.Clear();
break;
}
if (courses_db.ExistsCourse(nameCourse))
{
MessageBox.Show("The course already exists"); //empty textBox or not integer
tb_nameCoures.Clear();
break;
}
//-------Department check
switch (cb_department.SelectedIndex + 1)
{
case 1:
Department_choose = 1;
break;
case 2:
Department_choose = 2;
break;
case 3:
Department_choose = 3;
break;
case 4:
Department_choose = 4;
break;
case 5:
Department_choose = 5;
break;
case 6:
Department_choose = 6;
break;
case 7:
Department_choose = 7;
break;
default:
MessageBox.Show("You're need to choose department");
Department_choose = 0;
break;
}
if (Department_choose == 0) //empty department
{
break;
}
//-------Year check
if (rb_aYear.Checked)
{
Year = 'A';
}
else if (rb_bYear.Checked)
{
Year = 'B';
}
else if (rb_cYear.Checked)
{
Year = 'C';
}
else if (rb_dYear.Checked)
{
Year = 'D';
}
else
{
MessageBox.Show("You must choose a year");
break;
}
//--------Semester check
if (rb_aSemester.Checked)
{
Semester = 'A';
}
else if (rb_bSemester.Checked)
{
Semester = 'B';
}
else if (rb_cSemester.Checked)
{
Semester = 'C';
}
else
{
MessageBox.Show("You must choose a semester");
break;
}
//--------Number houre of lectures check
switch (cb_lec.SelectedIndex + 1)
{
case 1:
numoflec = 1;
break;
case 2:
numoflec = 2;
break;
case 3:
numoflec = 3;
break;
case 4:
numoflec = 4;
break;
default:
MessageBox.Show("You're need to choose number of hours lectures");
numoflec = 0;
break;
}
if (Department_choose == 0) //empty number of hours lectures
{
break;
}
//--------Number houre of tutores check
switch (cb_tirgul.SelectedIndex + 1)
{
case 1:
numoftut = 1;
break;
case 2:
numoftut = 2;
break;
case 3:
numoftut = 3;
break;
case 4:
numoftut = 4;
break;
default:
MessageBox.Show("You're need to choose number of hours tutores");
numoftut = 0;
break;
}
if (numoftut == 0) //empty number of hours tutores
{
break;
}
//-------All detailse fine------
courses_db.insertCourses(nameCourse, Department_choose, Year, Semester, numoflec, numoftut);
this.Hide();
break;
}
}
