private void btnCompanyAdd_Click(object sender, EventArgs e)
        {
            if (MessageBox.Show("Firma Eklensin mi?", "Firma Ekleniyor...", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
            {
                Company company = new Company
                {
                    CompanyName = tbxCompanyAdd.Text
                };

                _companyDal.CompanyAdd(company);
            }
        }