private void btnFilter_Click(object sender, EventArgs e)
{
int id = (int)(cmbStateId.SelectedValue);
if (cmbIsActive.SelectedIndex == 0)
{
dgvAddressBook.DataSource = AddressBO.FilteredAddressbook(id, true);
}
if (cmbIsActive.SelectedIndex == 1)
{
dgvAddressBook.DataSource = AddressBO.FilteredAddressbook(id, false);
}
}