private void buttonEdit_Click(object sender, EventArgs e)
{
if (ListViewSUDENT.SelectedItems.Count == 1)
{
SUDENT sUDENT = ListViewSUDENT.SelectedItems[0].Tag as SUDENT;
sUDENT.LASTNAME = textBoxLASTNAME.Text;
sUDENT.NAME = textBoxNAME.Text;
sUDENT.IDGRUP = Convert.ToInt32(textBoxGRUP.Text);
Program.BD.SaveChanges();
showvis();
}
}
private void buttonAdd_Click(object sender, EventArgs e)
{
SUDENT sUDENT = new SUDENT();
sUDENT.LASTNAME = textBoxLASTNAME.Text;
sUDENT.NAME = textBoxNAME.Text;
sUDENT.IDGRUP = Convert.ToInt32(comboBoxGRUP.SelectedIndex.ToString().Split()[0]);
sUDENT.IDGRUP = Convert.ToInt32(textBoxGRUP.Text);
Program.BD.SUDENT.Add(sUDENT);
Program.BD.SaveChanges();
showvis();
}
private void ListViewSUDENT_SelectedIndexChanged(object sender, EventArgs e)
{
if (ListViewSUDENT.SelectedItems.Count == 1)
{
SUDENT sUDENT = ListViewSUDENT.SelectedItems[0].Tag as SUDENT;
textBoxLASTNAME.Text = sUDENT.LASTNAME;
textBoxNAME.Text = sUDENT.NAME;
textBoxGRUP.Text = Convert.ToString(sUDENT.IDGRUP);
}
else
{
textBoxLASTNAME.Text = "";
textBoxNAME.Text = "";
textBoxGRUP.Text = "";
}
}
private void buttonDel_Click(object sender, EventArgs e)
{
try
{
if (ListViewSUDENT.SelectedItems.Count == 1)
{
SUDENT sUDENT = ListViewSUDENT.SelectedItems[0].Tag as SUDENT;
Program.BD.SUDENT.Remove(sUDENT);
Program.BD.SaveChanges();
showvis();
}
textBoxLASTNAME.Text = "";
textBoxNAME.Text = "";
textBoxGRUP.Text = "";
}
catch
{
MessageBox.Show("не возможно удалить эту запись, эта запись используется!", "ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}