private void buttonAdd_Click(object sender, EventArgs e)
{
Stud studSet = new Stud();
studSet.FirstName = textBoxS.Text;
studSet.MiddleName = textBoxN.Text;
studSet.LastName = textBoxM.Text;
studSet.Class = textBoxC.Text;
Program.sss.Stud.Add(studSet);
Program.sss.SaveChanges();
ShowStudents();
}
private void buttonEdit_Click(object sender, EventArgs e)
{
if (listViewStud.SelectedItems.Count == 1)
{
Stud studentsSet = listViewStud.SelectedItems[0].Tag as Stud;
studentsSet.FirstName = textBoxS.Text;
studentsSet.MiddleName = textBoxN.Text;
studentsSet.LastName = textBoxM.Text;
studentsSet.Class = textBoxC.Text;
Program.sss.SaveChanges();
ShowStudents();
}
}
private void listViewStud_SelectedIndexChanged(object sender, EventArgs e)
{
if (listViewStud.SelectedItems.Count == 1)
{
Stud studentsSet = listViewStud.SelectedItems[0].Tag as Stud;
textBoxS.Text = studentsSet.FirstName;
textBoxN.Text = studentsSet.MiddleName;
textBoxM.Text = studentsSet.LastName;
textBoxC.Text = studentsSet.Class;
}
else
{
textBoxS.Text = "";
textBoxN.Text = "";
textBoxM.Text = "";
textBoxC.Text = "";
}
}
private void buttonDel_Click(object sender, EventArgs e)
{
try
{
if (listViewStud.SelectedItems.Count == 1)
{
Stud studentsSet = listViewStud.SelectedItems[0].Tag as Stud;
Program.sss.Stud.Remove(studentsSet);
Program.sss.SaveChanges();
ShowStudents();
}
textBoxS.Text = "";
textBoxN.Text = "";
textBoxM.Text = "";
textBoxC.Text = "";
}
catch
{
MessageBox.Show("Невозможно удалить, эта запись используется", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
