private void button_Click(object sender, RoutedEventArgs e)
{
AddIncomeType addIncomeType = new AddIncomeType();
addIncomeType.mode = 1;
addIncomeType.Show();
}
private void edit_Click(object sender, RoutedEventArgs e)
{
var x = ((IncomeType)datagridview.SelectedItem);
AddIncomeType addIncomeType = new AddIncomeType();
addIncomeType.incometypeid = x.IncomeTypeID;
addIncomeType.mode = 2;
addIncomeType.Show();
}