/// <summary> /// Converts <see cref="System.Data.DataRow"/> to <see cref="MediaObjectRow"/>. /// </summary> /// <param name="row">The <see cref="System.Data.DataRow"/> object to be mapped.</param> /// <returns>A reference to the <see cref="MediaObjectRow"/> object.</returns> protected virtual MediaObjectRow MapRow(DataRow row) { MediaObjectRow mappedObject = new MediaObjectRow(); DataTable dataTable = row.Table; DataColumn dataColumn; // Column "Object_ID" dataColumn = dataTable.Columns["Object_ID"]; if (!row.IsNull(dataColumn)) { mappedObject.Object_ID = (int)row[dataColumn]; } // Column "Object_Type" dataColumn = dataTable.Columns["Object_Type"]; if (!row.IsNull(dataColumn)) { mappedObject.Object_Type = (int)row[dataColumn]; } // Column "Object_Value" dataColumn = dataTable.Columns["Object_Value"]; if (!row.IsNull(dataColumn)) { mappedObject.Object_Value = (string)row[dataColumn]; } // Column "Object_Url" dataColumn = dataTable.Columns["Object_Url"]; if (!row.IsNull(dataColumn)) { mappedObject.Object_Url = (string)row[dataColumn]; } // Column "Object_Note" dataColumn = dataTable.Columns["Object_Note"]; if (!row.IsNull(dataColumn)) { mappedObject.Object_Note = (string)row[dataColumn]; } // Column "UserID" dataColumn = dataTable.Columns["UserID"]; if (!row.IsNull(dataColumn)) { mappedObject.UserID = (string)row[dataColumn]; } return(mappedObject); }
/// <summary> /// Updates a record in the <c>MediaObject</c> table. /// </summary> /// <param name="value">The <see cref="MediaObjectRow"/> /// object used to update the table record.</param> /// <returns>true if the record was updated; otherwise, false.</returns> public virtual bool Update(MediaObjectRow value) { string sqlStr = "UPDATE [dbo].[MediaObject] SET " + "[Object_Type]=" + _db.CreateSqlParameterName("@Object_Type") + ", " + "[Object_Value]=" + _db.CreateSqlParameterName("@Object_Value") + ", " + "[Object_Url]=" + _db.CreateSqlParameterName("@Object_Url") + ", " + "[Object_Note]=" + _db.CreateSqlParameterName("@Object_Note") + ", " + "[UserID]=" + _db.CreateSqlParameterName("@UserID") + " WHERE " + "[Object_ID]=" + _db.CreateSqlParameterName("@Object_ID"); IDbCommand cmd = _db.CreateCommand(sqlStr); AddParameter(cmd, "@Object_Type", value.IsObject_TypeNull ? DBNull.Value : (object)value.Object_Type); AddParameter(cmd, "@Object_Value", value.Object_Value); AddParameter(cmd, "@Object_Url", value.Object_Url); AddParameter(cmd, "@Object_Note", value.Object_Note); AddParameter(cmd, "@UserID", value.UserID); AddParameter(cmd, "@Object_ID", value.Object_ID); return(0 != cmd.ExecuteNonQuery()); }
/// <summary> /// Adds a new record into the <c>MediaObject</c> table. /// </summary> /// <param name="value">The <see cref="MediaObjectRow"/> object to be inserted.</param> public virtual void Insert(MediaObjectRow value) { string sqlStr = "INSERT INTO [dbo].[MediaObject] (" + "[Object_Type], " + "[Object_Value], " + "[Object_Url], " + "[Object_Note], " + "[UserID]" + ") VALUES (" + _db.CreateSqlParameterName("@Object_Type") + ", " + _db.CreateSqlParameterName("@Object_Value") + ", " + _db.CreateSqlParameterName("@Object_Url") + ", " + _db.CreateSqlParameterName("@Object_Note") + ", " + _db.CreateSqlParameterName("@UserID") + ");SELECT @@IDENTITY"; IDbCommand cmd = _db.CreateCommand(sqlStr); AddParameter(cmd, "@Object_Type", value.IsObject_TypeNull ? DBNull.Value : (object)value.Object_Type); AddParameter(cmd, "@Object_Value", value.Object_Value); AddParameter(cmd, "@Object_Url", value.Object_Url); AddParameter(cmd, "@Object_Note", value.Object_Note); AddParameter(cmd, "@UserID", value.UserID); value.Object_ID = Convert.ToInt32(cmd.ExecuteScalar()); }
/// <summary> /// Reads data from the provided data reader and returns /// an array of mapped objects. /// </summary> /// <param name="reader">The <see cref="System.Data.IDataReader"/> object to read data from the table.</param> /// <param name="startIndex">The index of the first record to map.</param> /// <param name="length">The number of records to map.</param> /// <param name="totalRecordCount">A reference parameter that returns the total number /// of records in the reader object if 0 was passed into the method; otherwise it returns -1.</param> /// <returns>An array of <see cref="MediaObjectRow"/> objects.</returns> protected virtual MediaObjectRow[] MapRecords(IDataReader reader, int startIndex, int length, ref int totalRecordCount) { if (0 > startIndex) { throw new ArgumentOutOfRangeException("startIndex", startIndex, "StartIndex cannot be less than zero."); } if (0 > length) { throw new ArgumentOutOfRangeException("length", length, "Length cannot be less than zero."); } int object_IDColumnIndex = reader.GetOrdinal("Object_ID"); int object_TypeColumnIndex = reader.GetOrdinal("Object_Type"); int object_ValueColumnIndex = reader.GetOrdinal("Object_Value"); int object_UrlColumnIndex = reader.GetOrdinal("Object_Url"); int object_NoteColumnIndex = reader.GetOrdinal("Object_Note"); int userIDColumnIndex = reader.GetOrdinal("UserID"); System.Collections.ArrayList recordList = new System.Collections.ArrayList(); int ri = -startIndex; while (reader.Read()) { ri++; if (ri > 0 && ri <= length) { MediaObjectRow record = new MediaObjectRow(); recordList.Add(record); record.Object_ID = Convert.ToInt32(reader.GetValue(object_IDColumnIndex)); if (!reader.IsDBNull(object_TypeColumnIndex)) { record.Object_Type = Convert.ToInt32(reader.GetValue(object_TypeColumnIndex)); } if (!reader.IsDBNull(object_ValueColumnIndex)) { record.Object_Value = Convert.ToString(reader.GetValue(object_ValueColumnIndex)); } if (!reader.IsDBNull(object_UrlColumnIndex)) { record.Object_Url = Convert.ToString(reader.GetValue(object_UrlColumnIndex)); } if (!reader.IsDBNull(object_NoteColumnIndex)) { record.Object_Note = Convert.ToString(reader.GetValue(object_NoteColumnIndex)); } if (!reader.IsDBNull(userIDColumnIndex)) { record.UserID = Convert.ToString(reader.GetValue(userIDColumnIndex)); } if (ri == length && 0 != totalRecordCount) { break; } } } totalRecordCount = 0 == totalRecordCount ? ri + startIndex : -1; return((MediaObjectRow[])(recordList.ToArray(typeof(MediaObjectRow)))); }
/// <summary> /// Deletes the specified object from the <c>MediaObject</c> table. /// </summary> /// <param name="value">The <see cref="MediaObjectRow"/> object to delete.</param> /// <returns>true if the record was deleted; otherwise, false.</returns> public bool Delete(MediaObjectRow value) { return(DeleteByPrimaryKey(value.Object_ID)); }