private bool CheckDataOutStandingBalance(int id) { try { using (var context = new RubberSoftEntities()) { var query = context.spt_GetOutStandingBalance().Where(o => o.CustomerId == id).ToList(); if (query.Count > 0) { return(true); } else { return(false); } } } catch (Exception ex) { XtraMessageBox.Show(ex.Message); return(false); } }