private void listViewList_SelectedIndexChanged(object sender, EventArgs e)
{
if (listViewList.SelectedItems.Count == 1)
{
ListStudents list = listViewList.SelectedItems[0].Tag as ListStudents;
comboBoxSpec.SelectedIndex = comboBoxSpec.FindString(list.idSpecialty.ToString());
comboBoxKad.SelectedIndex = comboBoxKad.FindString(list.idFirstName.ToString());
}
else
{
comboBoxKad.SelectedItem = null;
comboBoxSpec.SelectedItem = null;
}
}
private void buttonEdit_Click(object sender, EventArgs e)
{
if (listViewList.SelectedItems.Count == 1 && comboBoxKad.SelectedItem != null && comboBoxSpec.SelectedItem != null)
{
ListStudents list = listViewList.SelectedItems[0].Tag as ListStudents;
list.idSpecialty = Convert.ToInt32(comboBoxSpec.SelectedItem.ToString().Split('.')[0]);
list.idFirstName = Convert.ToInt32(comboBoxKad.SelectedItem.ToString().Split('.')[0]);
Program.College.SaveChanges();
ShowList();
}
else
{
MessageBox.Show("Данные не выбраны", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
private void buttonDel_Click(object sender, EventArgs e)
{
try
{
if (listViewList.SelectedItems.Count == 1)
{
ListStudents list = listViewList.SelectedItems[0].Tag as ListStudents;
Program.College.ListStudents.Remove(list);
Program.College.SaveChanges();
ShowList();
}
comboBoxKad.SelectedItem = null;
comboBoxSpec.SelectedItem = null;
}
catch
{
MessageBox.Show("Невозможно удалить, эта запись используется!", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}