private void dgvSalas_CellContentDoubleClick(object sender, DataGridViewCellEventArgs e)
 {
     Celda = dgvSalas.CurrentRow.Cells;
     Caller.CapturarSala(
         Celda[0].Value.ToString(),
         Celda[1].Value.ToString(),
         Celda[2].Value.ToString(),
         Celda[3].Value.ToString()
         );
     Close();
     return;
 }