private void listViewTeachers_SelectedIndexChanged(object sender, EventArgs e)
{
if (listViewTeachers.SelectedItems.Count == 1)
{
TeachersSet teachersSet = listViewTeachers.SelectedItems[0].Tag as TeachersSet;
textBoxName.Text = teachersSet.Name;
textBoxEmail.Text = teachersSet.Email;
}
else
{
textBoxName.Text = "";
textBoxEmail.Text = "";
}
}
private void buttonAdd_Click(object sender, EventArgs e)
{
if (textBoxName.Text != "" && textBoxEmail.Text != "")
{
TeachersSet teachersSet = new TeachersSet();
teachersSet.Name = textBoxName.Text;
teachersSet.Email = textBoxEmail.Text;
Program.abc.TeachersSet.Add(teachersSet);
Program.abc.SaveChanges();
ShowTeachers();
}
else
{
MessageBox.Show("Заполните все необходимые поля", "Невозможно внести данные!", MessageBoxButtons.OK);
}
}
private void buttonEdit_Click(object sender, EventArgs e)
{
if (listViewTeachers.SelectedItems.Count == 1)
{
if (textBoxName.Text != "" && textBoxEmail.Text != "")
{
TeachersSet teachersSet = listViewTeachers.SelectedItems[0].Tag as TeachersSet;
teachersSet.Name = textBoxName.Text;
teachersSet.Email = textBoxEmail.Text;
Program.abc.SaveChanges();
ShowTeachers();
}
else
{
MessageBox.Show("Заполните все необходимые поля", "Невозможно внести данные!", MessageBoxButtons.OK);
}
}
}
private void buttonDel_Click(object sender, EventArgs e)
{
try
{
if (listViewTeachers.SelectedItems.Count == 1)
{
TeachersSet teachersSet = listViewTeachers.SelectedItems[0].Tag as TeachersSet;
Program.abc.TeachersSet.Remove(teachersSet);
Program.abc.SaveChanges();
ShowTeachers();
}
textBoxName.Text = "";
textBoxEmail.Text = "";
}
catch
{
MessageBox.Show("Невозможно удалить, эта запись используется!", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
