private void categoriaToolStripMenuItem_Click(object sender, EventArgs e)
        {
            frmCadastroCategotia tela = new frmCadastroCategotia();

            tela.ShowDialog();
            tela.Dispose();
        }
 private void categoriaToolStripMenuItem_Click(object sender, EventArgs e)
 {
     frmCadastroCategotia tela = new frmCadastroCategotia();
     tela.ShowDialog();
     tela.Dispose();
 }