private void showMyData_Click(object sender, EventArgs e)
        {
            ShowContractor form = new ShowContractor(1);

            form.FormClosed += NewProjectForm_FormClosed;
            form.ShowDialog();
        }
 private void showContractorForm()
 {
     if (listView1.SelectedItems.Count > 0)
     {
         Company        var3 = (Company)listView1.SelectedItems[0].Tag;
         ShowContractor form = new ShowContractor(var3.ID);
         form.FormClosed += NewProjectForm_FormClosed;
         form.Show();
     }
 }