private void buttonAdd_Click(object sender, EventArgs e)
{
DISS dis = new DISS();
dis.NAME = textBoxNAME.Text;
dis.PREPOD = textBoxPREPODOVATEL.Text;
dis.SEMESTOR = textBoxSEMESTOR.Text;
dis.GOD = Convert.ToInt32(textBoxGOD.Text);
Program.BD.DISS.Add(dis);
Program.BD.SaveChanges();
showviss();
}
private void buttonEdit_Click(object sender, EventArgs e)
{
if (ListViewDIS.SelectedItems.Count == 1)
{
DISS dis = ListViewDIS.SelectedItems[0].Tag as DISS;
dis.NAME = textBoxNAME.Text;
dis.PREPOD = textBoxPREPODOVATEL.Text;
dis.SEMESTOR = textBoxSEMESTOR.Text;
dis.GOD = Convert.ToInt32(textBoxGOD.Text);
Program.BD.SaveChanges();
showviss();
}
}
private void ListViewDIS_SelectedIndexChanged(object sender, EventArgs e)
{
if (ListViewDIS.SelectedItems.Count == 1)
{
DISS dis = ListViewDIS.SelectedItems[0].Tag as DISS;
textBoxNAME.Text = dis.NAME;
textBoxPREPODOVATEL.Text = dis.PREPOD;
textBoxSEMESTOR.Text = dis.SEMESTOR;
textBoxGOD.Text = Convert.ToString(dis.GOD);
}
else
{
textBoxNAME.Text = "";
textBoxPREPODOVATEL.Text = "";
textBoxSEMESTOR.Text = "";
textBoxGOD.Text = "";
}
}
private void buttonDel_Click(object sender, EventArgs e)
{
try
{
if (ListViewDIS.SelectedItems.Count == 1)
{
DISS dis = ListViewDIS.SelectedItems[0].Tag as DISS;
Program.BD.DISS.Remove(dis);
Program.BD.SaveChanges();
showviss();
}
textBoxNAME.Text = "";
textBoxPREPODOVATEL.Text = "";
textBoxSEMESTOR.Text = "";
textBoxGOD.Text = "";
}
catch
{
MessageBox.Show("не возможно удалить эту запись, эта запись используется!", "ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
