--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Source/Configuration/DataProviderElementCollection.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,17 @@
+using System;
+using System.Configuration;
+
+namespace BLToolkit.Configuration
+{
+	[ConfigurationCollection(typeof(DataProviderElement))]
+	internal class DataProviderElementCollection : ElementCollectionBase<DataProviderElement>
+	{
+		protected override object GetElementKey(DataProviderElement element)
+		{
+			// element.Name is optional and may be omitted.
+			// element.TypeName is required, but is not unique.
+			//
+			return string.Concat(element.Name, "/", element.TypeName);
+		}
+	}
+}
\ No newline at end of file