/// <summary> /// This query-builder method creates a new query whose results are the /// first 'count' results of this query. /// </summary> /// <param name="count"> /// Specifies the number of results to return. This must be either a constant or /// a parameter reference. /// </param> /// <param name="parameters"> /// An optional set of query parameters that should be in scope when parsing. /// </param> /// <returns> /// a new ObjectQuery instance. /// </returns> /// <exception cref="ArgumentNullException"> /// If the top count command text is null. /// </exception> /// <exception cref="ArgumentException"> /// If the top count command text is empty. /// </exception> public ObjectQuery <T> Top(string count, params ObjectParameter[] parameters) { EntityUtil.CheckArgumentNull(count, "count"); if (StringUtil.IsNullOrEmptyOrWhiteSpace(count)) { throw EntityUtil.Argument(System.Data.Entity.Strings.ObjectQuery_QueryBuilder_InvalidTopCount, "count"); } return(new ObjectQuery <T>(EntitySqlQueryBuilder.Top(this.QueryState, this.Name, count, parameters))); }
/// <summary>Limits the query results to a specified number of items.</summary> /// <returns> /// A new <see cref="T:System.Data.Entity.Core.Objects.ObjectQuery`1" /> instance that is equivalent to the original instance with TOP applied. /// </returns> /// <param name="count">The number of items in the results as a string. </param> /// <param name="parameters">An optional set of query parameters that should be in scope when parsing.</param> /// <exception cref="T:System.ArgumentNullException"> count is null.</exception> /// <exception cref="T:System.ArgumentException"> count is an empty string.</exception> public ObjectQuery <T> Top(string count, params ObjectParameter[] parameters) { Check.NotEmpty(count, "count"); return(new ObjectQuery <T>(EntitySqlQueryBuilder.Top(QueryState, Name, count, parameters))); }