private void addButton_Click(object sender, EventArgs e)
{
controller.addButtonClick();
//this.contractorTableAdapter.Fill(DAO.getInstance().selectTable("Contractor"));
dataGridViewContractor.DataSource = DAO.getInstance().selectTable("Contractor");
}
private void addButton_Click(object sender, EventArgs e)
{
controller.addButtonClick();
dataGridViewContractor.DataSource = DAO.getInstance().selectTable("Contractor");
dataGridViewContractor.ClearSelection();
}