// fetch by Foreign key into new List of class instances // links: // docLink: http://sql2x.org/documentationLink/13095cd7-f136-4532-8969-c50c62cc05ef public static List <CrudeServiceCarRentalLinkData> FetchByServiceCarRentalId(System.Guid serviceCarRentalId) { var dataList = new List <CrudeServiceCarRentalLinkData>(); // create query against service_car_rental_link // this will be ansi sql and parameterized // parameterized queries are a good way of preventing sql injection // and to make sure the query plan is pre-compiled // links: // docLink: http://sql2x.org/documentationLink/86c78f05-a65f-4dfe-b048-d0cbece49f4e string sql = @" select service_car_rental_link_id, service_car_rental_id, link_type_rcd, user_id, date_time from [service_car_rental_link] where service_car_rental_id = @service_car_rental_id "; // open standard connection // the connection is found in web.config // the connection is closed upon completion of the reader // links: // docLink: http://sql2x.org/documentationLink/6fd25822-459f-4796-803a-071a3a270aa0 using (var conn = new SqlConnection(Conn.ConnectionString)) { conn.Open(); using (var command = new SqlCommand(sql, conn)) { // add foreign key column // this foreign key column will be used together with the prepared ansi sql statement // links: // docLink: http://sql2x.org/documentationLink/8aec2e5c-4732-4662-badb-83b89d1c34a9 command.Parameters.Add("@service_car_rental_id", SqlDbType.UniqueIdentifier).Value = serviceCarRentalId; // execute query against service_car_rental_link // if the query fails in the preprocessor of sql server // an exception will be raised // links: // docLink: http://sql2x.org/documentationLink/bb9abe5c-d2c1-455a-b597-a2af0a35de5a IDataReader reader = command.ExecuteReader(CommandBehavior.SingleResult); // read all rows returned from the query of service_car_rental_link // read all columns from the datareader and // populate the List of C# objects with them // links: // docLink: http://sql2x.org/documentationLink/5c413c03-5ddc-472a-a63d-53aecc7a2573 while (reader.Read()) { var data = new CrudeServiceCarRentalLinkData(); data.Populate(reader); dataList.Add(data); } } return(dataList); } }
// fetch by Primary key into new class instance // links: // crud definition: https://en.wikipedia.org/wiki/Create,_read,_update_and_delete // docLink: http://sql2x.org/documentationLink/7a625d0a-3028-42ce-a543-72ea3673cef4 // parameters: // serviceCarRentalLinkId: primary key of table service_car_rental_link public static CrudeServiceCarRentalLinkData GetByServiceCarRentalLinkId(System.Guid serviceCarRentalLinkId) { // create query against service_car_rental_link // this will be ansi sql and parameterized // parameterized queries are a good way of preventing sql injection // and to make sure the query plan is pre-compiled // links: // docLink: http://sql2x.org/documentationLink/72f5fc83-c460-40fe-bac9-73b7ee0c6b77 string sql = @" select top 1 service_car_rental_link_id, service_car_rental_id, link_type_rcd, user_id, date_time from [service_car_rental_link] where service_car_rental_link_id = @service_car_rental_link_id"; var ret = new CrudeServiceCarRentalLinkData(); // open standard connection // the connection is found in web.config // the connection is closed upon completion of the reader // links: // docLink: http://sql2x.org/documentationLink/1ecca728-0c07-4dd7-b095-d10777b25b70 using (var conn = new SqlConnection(Conn.ConnectionString)) { conn.Open(); using (var command = new SqlCommand(sql, conn)) { // add primary key // this primary key will be used together with the prepared ansi sql statement // links: // docLink: http://sql2x.org/documentationLink/1ecca728-0c07-4dd7-b095-d10777b25b70 command.Parameters.Add("@service_car_rental_link_id", SqlDbType.UniqueIdentifier).Value = serviceCarRentalLinkId; // execute query against service_car_rental_link // if the query fails in the preprocessor of sql server // an exception will be raised // links: // docLink: http://sql2x.org/documentationLink/fd5c5faa-b400-4f29-b12b-9675c53a757f IDataReader reader = command.ExecuteReader(CommandBehavior.SingleRow); // populate serialized class if a row was found if (reader.Read()) { ret.Populate(reader); } } } return(ret); }
// fetch all from table into new List of class instances, with a limit on number of returned rows and order by columns // links: // docLink: http://sql2x.org/documentationLink/dfaa482b-059b-4f17-a9a9-4885138dbb46 public static List <CrudeServiceCarRentalLinkData> FetchAllWithLimit(int limit) { var dataList = new List <CrudeServiceCarRentalLinkData>(); // create query against service_car_rental_link // this will be ansi sql and parameterized // parameterized queries are a good way of preventing sql injection // and to make sure the query plan is pre-compiled // links: // docLink: http://sql2x.org/documentationLink/41f82773-6d37-4ebe-840c-c60e06337f45 string sql = @" select top " + limit.ToString() + @" service_car_rental_link_id, service_car_rental_id, link_type_rcd, user_id, date_time from [service_car_rental_link]"; // open standard connection // the connection is found in web.config // the connection is closed upon completion of the reader // links: // docLink: http://sql2x.org/documentationLink/da228d98-b30e-4d79-89ae-98e813437753 using (var conn = new SqlConnection(Conn.ConnectionString)) { conn.Open(); using (var command = new SqlCommand(sql, conn)) { // execute query against service_car_rental_link // if the query fails in the preprocessor of sql server // an exception will be raised // links: // docLink: http://sql2x.org/documentationLink/c32ad724-8a03-4b4c-b6fb-a5abfb1d707e IDataReader reader = command.ExecuteReader(CommandBehavior.SingleResult); // read all rows returned from the query of service_car_rental_link // read all columns from the datareader and // populate the List of C# objects with them // links: // docLink: http://sql2x.org/documentationLink/9ba4395d-d8a4-4427-b80f-7b828e34da7a while (reader.Read()) { var data = new CrudeServiceCarRentalLinkData(); data.Populate(reader); dataList.Add(data); } } return(dataList); } }
// fetch all rows from table service_car_rental_link into new List of class instances // links: // docLink: http://sql2x.org/documentationLink/7ca0c014-527e-4a0a-bd1f-12f4d8ea4b43 public static List <CrudeServiceCarRentalLinkData> FetchAll() { var dataList = new List <CrudeServiceCarRentalLinkData>(); // create query against service_car_rental_link // this will be ansi sql and parameterized // parameterized queries are a good way of preventing sql injection // and to make sure the query plan is pre-compiled // links: // docLink: http://sql2x.org/documentationLink/72f9f1bc-447c-4327-9d26-4b0790a07ff8 string sql = @" select service_car_rental_link_id, service_car_rental_id, link_type_rcd, user_id, date_time from [service_car_rental_link]"; // open standard connection // the connection is found in web.config // the connection is closed upon completion of the reader // links: // docLink: http://sql2x.org/documentationLink/952b3f82-bc00-4e82-9430-6bc26ff8bc4d using (var conn = new SqlConnection(Conn.ConnectionString)) { conn.Open(); using (var command = new SqlCommand(sql, conn)) { // execute query against service_car_rental_link // if the query fails in the preprocessor of sql server // an exception will be raised // links: // docLink: http://sql2x.org/documentationLink/ed55cc5b-d6be-4f5e-9385-ee726dfc2bf1 IDataReader reader = command.ExecuteReader(CommandBehavior.SingleResult); // read all rows returned from the query of service_car_rental_link // read all columns from the datareader and // populate the List of C# objects with them // links: // docLink: http://sql2x.org/documentationLink/c1b8b800-b250-4822-a699-d93a35f4414d while (reader.Read()) { var data = new CrudeServiceCarRentalLinkData(); data.Populate(reader); dataList.Add(data); } } return(dataList); } }
// fetch all from table into new List of class instances, filtered by any column // links: // docLink: http://sql2x.org/documentationLink/a736bbfd-030d-492e-a86a-7a5e478eeb79 public static List <CrudeServiceCarRentalLinkData> FetchWithFilter(System.Guid serviceCarRentalLinkId, System.Guid serviceCarRentalId, string linkTypeRcd, System.Guid userId, System.DateTime dateTime) { var dataList = new List <CrudeServiceCarRentalLinkData>(); // create query against service_car_rental_link // this will be ansi sql and parameterized // parameterized queries are a good way of preventing sql injection // and to make sure the query plan is pre-compiled // links: // docLink: http://sql2x.org/documentationLink/06da7a50-8760-48cd-b789-a41cac3edd13 string sql = @" select service_car_rental_link_id, service_car_rental_id, link_type_rcd, user_id, date_time from [service_car_rental_link] where 1 = 1"; // open standard connection // the connection is found in web.config // the connection is closed upon completion of the reader // links: // docLink: http://sql2x.org/documentationLink/6ec2495f-3a49-4a94-ad59-0ce064fc8654 using (var conn = new SqlConnection(Conn.ConnectionString)) { conn.Open(); using (var command = new SqlCommand(sql, conn)) { // add search column(s) if they are not null or empty // this search column(s) will be used together with the prepared ansi sql statement // links: // docLink: http://sql2x.org/documentationLink/2193123a-3534-412b-8521-dac14bb3884d if (serviceCarRentalLinkId != Guid.Empty) { sql += " and service_car_rental_link_id = @service_car_rental_link_id"; command.Parameters.Add("@service_car_rental_link_id", SqlDbType.UniqueIdentifier).Value = serviceCarRentalLinkId; } if (serviceCarRentalId != Guid.Empty) { sql += " and service_car_rental_id = @service_car_rental_id"; command.Parameters.Add("@service_car_rental_id", SqlDbType.UniqueIdentifier).Value = serviceCarRentalId; } if (!string.IsNullOrEmpty(linkTypeRcd)) { sql += " and link_type_rcd like '%' + @link_type_rcd + '%'"; command.Parameters.Add("@link_type_rcd", SqlDbType.NVarChar).Value = linkTypeRcd.Replace("'", "''"); } if (userId != Guid.Empty) { sql += " and user_id = @user_id"; command.Parameters.Add("@user_id", SqlDbType.UniqueIdentifier).Value = userId; } if (dateTime != DateTime.MinValue) { sql += " and date_time = @date_time"; command.Parameters.Add("@date_time", SqlDbType.DateTime).Value = dateTime; } command.CommandText = sql; // execute query against service_car_rental_link // if the query fails in the preprocessor of sql server // an exception will be raised // links: // docLink: http://sql2x.org/documentationLink/9f9fcbf4-4764-4b2e-8dc6-41d0366c95c9 IDataReader reader = command.ExecuteReader(CommandBehavior.SingleResult); // read all rows returned from the query of service_car_rental_link // read all columns from the datareader and // populate the List of C# objects with them // links: // docLink: http://sql2x.org/documentationLink/60181c7c-4a5e-41a3-9599-4e7a0aaf0cc8 while (reader.Read()) { var data = new CrudeServiceCarRentalLinkData(); data.Populate(reader); dataList.Add(data); } } return(dataList); } }