Introduced new TopicListDataTable class

The new `TopicListDataTable` centralizes the definition of the `AttributeValues` table-valued type from the SQL Server database schema, and exposes a convenience method for constructing new records.

Author: JeremyCaney

OnTopic.Data.Sql/Models/TopicListDataTable.cs

@@ -0,0 +1,63 @@
+/*==============================================================================================================================
+| Author        Ignia, LLC
+| Client        Ignia, LLC
+| Project       Topics Library
+\=============================================================================================================================*/
+using System.Data;
+
+namespace OnTopic.Data.Sql.Models {
+
+  /*============================================================================================================================
+  | CLASS: TOPIC LIST (DATA TABLE)
+  \---------------------------------------------------------------------------------------------------------------------------*/
+  /// <summary>
+  ///   Extends <see cref="DataTable"/> to model the schema for the <c>TopicList</c> user-defined table type.
+  /// </summary>
+  internal class TopicListDataTable: DataTable {
+
+    /*==========================================================================================================================
+    | CONSTRUCTOR
+    \-------------------------------------------------------------------------------------------------------------------------*/
+    /// <summary>
+    ///   Establishes a new <see cref="DataTable"/> with the appropriate schema for the <c>TopicList</c> user-defined
+    ///   table type.
+    /// </summary>
+    internal TopicListDataTable() {
+
+      /*------------------------------------------------------------------------------------------------------------------------
+      | COLUMN: Topic ID
+      \-----------------------------------------------------------------------------------------------------------------------*/
+      Columns.Add(
+        new DataColumn("TopicID", typeof(int))
+      );
+
+    }
+
+    /*==========================================================================================================================
+    | ADD ROW
+    \-------------------------------------------------------------------------------------------------------------------------*/
+    /// <summary>
+    ///   Provides a convenience method for adding a new <see cref="DataRow"/> based on the expected column values.
+    /// </summary>
+    internal DataRow AddRow(int topicId) {
+
+      /*------------------------------------------------------------------------------------------------------------------------
+      | Define record
+      \-----------------------------------------------------------------------------------------------------------------------*/
+      var record                = NewRow();
+      record["TopicID"]         = topicId;
+
+      /*------------------------------------------------------------------------------------------------------------------------
+      | Add record
+      \-----------------------------------------------------------------------------------------------------------------------*/
+      Rows.Add(record);
+
+      /*------------------------------------------------------------------------------------------------------------------------
+      | Return record
+      \-----------------------------------------------------------------------------------------------------------------------*/
+      return record;
+
+    }
+
+  } //Class
+} //Namespaces