public void Listar()
{
CustoDao custoDao = new CustoDao();
string strMysql = custoDao.ListarCusto();
dataGridListar.DataSource = custoDao.ExibirNoDataGridView(strMysql);
}
private void ToolStripButtonPesquisar_Click(object sender, EventArgs e)
{
int idCusto = Convert.ToInt32(txtPesquisa.Text);
CustoDao custoDao = new CustoDao();
string strMysql = custoDao.PesquisarCusto(idCusto);
dataGridListar.DataSource = custoDao.ExibirNoDataGridView(strMysql);
}
