/// <summary>Orders the query results by the specified criteria.</summary> /// <returns> /// A new <see cref="T:System.Data.Entity.Core.Objects.ObjectQuery`1" /> instance that is equivalent to the original instance with ORDER BY applied. /// </returns> /// <param name="keys">The key columns by which to order the results.</param> /// <param name="parameters">Zero or more parameters that are used in this method.</param> /// <exception cref="T:System.ArgumentNullException">The keys or parameters parameter is null.</exception> /// <exception cref="T:System.ArgumentException">The key is an empty string.</exception> public ObjectQuery <T> OrderBy(string keys, params ObjectParameter[] parameters) { Check.NotEmpty(keys, "keys"); Check.NotNull(parameters, "parameters"); return(new ObjectQuery <T>(EntitySqlQueryBuilder.OrderBy(QueryState, Name, keys, parameters))); }
/// <summary> /// This query-builder method creates a new query whose results are the /// results of this query, ordered by some criteria. Note that any relational /// operations performed after an OrderBy have the potential to "undo" the /// ordering, so OrderBy should be considered a terminal query-building /// operation. /// </summary> /// <param name="keys"> /// The sort keys. /// </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 either argument is null. /// </exception> /// <exception cref="ArgumentException"> /// If the sort key command text is empty. /// </exception> public ObjectQuery <T> OrderBy(string keys, params ObjectParameter[] parameters) { EntityUtil.CheckArgumentNull(keys, "keys"); EntityUtil.CheckArgumentNull(parameters, "parameters"); if (StringUtil.IsNullOrEmptyOrWhiteSpace(keys)) { throw EntityUtil.Argument(System.Data.Entity.Strings.ObjectQuery_QueryBuilder_InvalidSortKeyList, "keys"); } return(new ObjectQuery <T>(EntitySqlQueryBuilder.OrderBy(this.QueryState, this.Name, keys, parameters))); }
/// <summary>Orders the query results by the specified criteria.</summary> /// <returns> /// A new <see cref="T:System.Data.Entity.Core.Objects.ObjectQuery`1" /> instance that is equivalent to the original instance with ORDER BY applied. /// </returns> /// <param name="keys">The key columns by which to order the results.</param> /// <param name="parameters">Zero or more parameters that are used in this method.</param> /// <exception cref="T:System.ArgumentNullException">The keys or parameters parameter is null.</exception> /// <exception cref="T:System.ArgumentException">The key is an empty string.</exception> public ObjectQuery <T> OrderBy(string keys, params ObjectParameter[] parameters) { Check.NotEmpty(keys, nameof(keys)); Check.NotNull <ObjectParameter[]>(parameters, nameof(parameters)); return(new ObjectQuery <T>(EntitySqlQueryBuilder.OrderBy(this.QueryState, this.Name, keys, parameters))); }