private void cmb_Company_SelectedValueChanged(object sender, EventArgs e)
{
CategoryArr categoryArr = new CategoryArr();
categoryArr.Fill();
categoryArr = categoryArr.Filter(0, cmb_Company.SelectedItem as Company);
cmb_Category.DataSource = categoryArr;
cmb_Category.DisplayMember = "Name";
cmb_Category.SelectedIndex = -1;
}
private void cmb_Company_SelectedIndexChanged(object sender, EventArgs e)
{
CategoryArr categoryArr = new CategoryArr();
categoryArr.Fill();
categoryArr = categoryArr.Filter(0, cmb_Company.SelectedItem as Company);
cmb_Category.DataSource = categoryArr;
// cmb_Category.ValueMember = "Id";
cmb_Category.DisplayMember = "Name";
cmb_Category.SelectedIndex = -1;
CarArr carArr = new CarArr();
carArr.Fill();
carArr = carArr.Filter(0, null, cmb_Company.SelectedItem as Company);
cmb_Model.DataSource = carArr;
cmb_Model.DisplayMember = "Model";
cmb_Model.SelectedIndex = -1;
}