C# (CSharp) IQueryStore.Exists примеры использования

Пример #1

 public static bool Exists <TKey, TEntity>(this IQueryStore <TKey, TEntity> queryStore, IStorageDbConnection conn, WhereClauseResult whereClause)
     where TKey : IEquatable <TKey>
     where TEntity : class, IEntity <TKey>
 {
     if (queryStore == null)
     {
         throw new ArgumentNullException(nameof(queryStore));
     }
     return(queryStore.Exists(conn, whereClause, null));
 }