Commit for development environment setup

PROMS/csla20cs-2.1.4-070223/csla20cs/OLDcsla20cs/Templates/NameValueList.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Data.SqlClient;
+using Csla;
+
+namespace Templates
+{
+  [Serializable()]
+  class NameValueList : NameValueListBase<int, string>
+  {
+    #region Factory Methods
+
+    private static NameValueList _list;
+
+    public static NameValueList GetNameValueList()
+    {
+      if (_list == null)
+        _list = DataPortal.Fetch<NameValueList>(
+          new Criteria(typeof(NameValueList)));
+      return _list;
+    }
+
+    public static void InvalidateCache()
+    {
+      _list = null;
+    }
+
+    private NameValueList()
+    { /* require use of factory methods */ }
+
+    #endregion
+
+    #region Data Access
+
+    protected override void DataPortal_Fetch(object criteria)
+    {
+      RaiseListChangedEvents = false;
+      IsReadOnly = false;
+      // TODO: load values
+      using (SqlDataReader dr = null)
+      {
+        while (dr.Read())
+        {
+          Add(new NameValueListBase<int, string>.
+            NameValuePair(dr.GetInt32(0), dr.GetString(1)));
+        }
+      }
+      IsReadOnly = true;
+      RaiseListChangedEvents = true;
+    }
+
+    #endregion
+  }
+}