private void CompanySaveButton_Click(object sender, EventArgs e)
        {
            company.Name = companyNameTextBox.Text;

            int CompanyCount = _companyManager.CountCompanyByName(company);

            if (CompanyCount == 0)
            {
                int isExecuted = _companyManager.InsertCompany(company);
                if (isExecuted > 0)
                {
                    MessageBox.Show("Saved");
                }
                else
                {
                    MessageBox.Show("Not Saved!!");
                }
            }
            else
            {
                MessageBox.Show(company.Name + " Already exists in  database.");
            }

            this.ShowCompany();
        }