--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HowTo/Data/OpenConfig1.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,79 @@
+using System;
+using System.Data;
+
+using NUnit.Framework;
+
+using BLToolkit.Data;
+
+namespace HowTo.Data
+{
+	[TestFixture]
+	public class OpenConfig1
+	{
+		[Test]
+		public void DefaultConfiguration()
+		{
+			// Default configuration and default data provider.
+			//
+			using (DbManager db = new DbManager/*[a]*/()/*[/a]*/)
+			{
+				Assert.AreEqual(ConnectionState.Open, db.Connection.State);
+			}
+		}
+
+		[Test]
+		public void DevelopmentConfiguration()
+		{
+			// Development configuration and default data provider.
+			//
+			using (DbManager db = new DbManager(/*[a]*/"Development"/*[/a]*/))
+			{
+				Assert.AreEqual(ConnectionState.Open, db.Connection.State);
+			}
+		}
+
+		[Test]
+		public void ProductionConfiguration()
+		{
+			// Production configuration and default data provider.
+			//
+			using (DbManager db = new DbManager(/*[a]*/"Production"/*[/a]*/))
+			{
+				Assert.AreEqual(ConnectionState.Open, db.Connection.State);
+			}
+		}
+
+		[Test]
+		public void OleDbDefaultConfiguration()
+		{
+			// Default configuration and OleDb data provider.
+			//
+			using (DbManager db = new DbManager(/*[a]*/"OleDb"/*[/a]*/))
+			{
+				Assert.AreEqual(ConnectionState.Open, db.Connection.State);
+			}
+		}
+
+		[Test]
+		public void OleDbDevelopmentConfiguration()
+		{
+			// Development configuration and OleDb data provider.
+			//
+			using (DbManager db = new DbManager(/*[a]*/"OleDb"/*[/a]*/, /*[a]*/"Development"/*[/a]*/))
+			{
+				Assert.AreEqual(ConnectionState.Open, db.Connection.State);
+			}
+		}
+
+		[Test]
+		public void OleDbProductionConfiguration()
+		{
+			// Production configuration and OleDb data provider.
+			//
+			using (DbManager db = new DbManager(/*[a]*/"OleDb"/*[/a]*/, /*[a]*/"Production"/*[/a]*/))
+			{
+				Assert.AreEqual(ConnectionState.Open, db.Connection.State);
+			}
+		}
+	}
+}