--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HowTo/Data/OpenConfig3.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,61 @@
+using System;
+using System.Data;
+using System.Data.SqlClient;
+
+using NUnit.Framework;
+
+using BLToolkit.Data;
+using BLToolkit.Data.DataProvider;
+
+namespace HowTo.Data
+{
+	[TestFixture]
+	public class OpenConfig3
+	{
+		const string connectionString =
+			"Server=.;Database=BLToolkitData;Integrated Security=SSPI";
+
+		[Test]
+		public void DbConnectionConfiguration()
+		{
+			using (SqlConnection con = new SqlConnection(connectionString))
+			{
+				con.Open();
+
+				using (DbManager db = /*[a]*/new DbManager(con)/*[/a]*/)
+				{
+					Assert.AreEqual(ConnectionState.Open, db.Connection.State);
+				}
+			}
+		}
+
+		[Test]
+		public void DbTransactionConfiguration()
+		{
+			using (SqlConnection con = new SqlConnection(connectionString))
+			{
+				con.Open();
+
+				SqlTransaction tran = con.BeginTransaction();
+
+				using (DbManager db = /*[a]*/new DbManager(tran)/*[/a]*/)
+				{
+					Assert.AreEqual(ConnectionState.Open, db.Connection.State);
+				}
+
+				tran.Commit();
+			}
+		}
+
+		[Test]
+		public void DataProviderConfiguration()
+		{
+			SqlDataProvider dp = new SqlDataProvider();
+
+			using (DbManager db = /*[a]*/new DbManager(dp, connectionString)/*[/a]*/)
+			{
+				Assert.AreEqual(ConnectionState.Open, db.Connection.State);
+			}
+		}
+	}
+}