private void Button_Click(object sender, RoutedEventArgs e)
{
if (semester.Text == "")
{
a1.Visibility = Visibility.Visible;
p.Visibility = Visibility.Visible;
if (type.Text == "")
{
a2.Visibility = Visibility.Visible;
}
if (group.Text == "")
{
a3.Visibility = Visibility.Visible;
}
if (disc.Text == "")
{
a4.Visibility = Visibility.Visible;
}
if (teacher.Text == "")
{
a5.Visibility = Visibility.Visible;
}
}
else
{
if (type.Text == "")
{
a2.Visibility = Visibility.Visible;
p.Visibility = Visibility.Visible;
if (group.Text == "")
{
a3.Visibility = Visibility.Visible;
}
if (disc.Text == "")
{
a4.Visibility = Visibility.Visible;
}
if (teacher.Text == "")
{
a5.Visibility = Visibility.Visible;
}
}
else
{
if (group.Text == "")
{
a3.Visibility = Visibility.Visible;
p.Visibility = Visibility.Visible;
if (disc.Text == "")
{
a4.Visibility = Visibility.Visible;
}
if (teacher.Text == "")
{
a5.Visibility = Visibility.Visible;
}
}
else
{
if (disc.Text == "")
{
a4.Visibility = Visibility.Visible;
p.Visibility = Visibility.Visible;
if (teacher.Text == "")
{
a5.Visibility = Visibility.Visible;
}
}
else
{
if (teacher.Text == "")
{
a5.Visibility = Visibility.Visible;
p.Visibility = Visibility.Visible;
}
else
{
ListInterface a = new ClassList();
a.InsertList(semester.Text, disc.Text, group.Text, type.Text, teacher.Text);
Cleanning();
}
}
}
}
}
}
