private void GridCategoria_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
CategoriaAMFrm frm = new CategoriaAMFrm();
frm.ShowCategoria((this.GridCategoria.Rows[e.RowIndex].DataBoundItem as Categoria), this);
}
private void altaToolStripMenuItem2_Click(object sender, EventArgs e)
{
CategoriaAMFrm frm = new CategoriaAMFrm();
frm.NewCategoria(null);
}