--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HowTo/DataAccess/ScalarSource.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,138 @@
+using System;
+
+using NUnit.Framework;
+
+using BLToolkit.Data;
+using BLToolkit.DataAccess;
+
+namespace HowTo.DataAccess
+{
+	[TestFixture]
+	public class ScalarSource
+	{
+		public abstract class TestAccessor : DataAccessor
+		{
+			[/*[a]*/ScalarSource/*[/a]*/(ScalarSourceType.DataReader)]
+			public abstract int Scalar_DataReader();
+
+			[ActionName("Scalar_DataReader")]
+			[/*[a]*/ScalarSource/*[/a]*/(ScalarSourceType.DataReader, 1)]
+			public abstract string Scalar_DataReader2();
+
+			[ActionName("Scalar_DataReader")]
+			[/*[a]*/ScalarSource/*[/a]*/(ScalarSourceType.DataReader, "stringField")]
+			public abstract string Scalar_DataReader3();
+
+			[/*[a]*/ScalarSource/*[/a]*/(ScalarSourceType.OutputParameter)]
+			public abstract int Scalar_OutputParameter();
+
+			[ActionName("Scalar_OutputParameter")]
+			[/*[a]*/ScalarSource/*[/a]*/(ScalarSourceType.OutputParameter, 1)]
+			public abstract string Scalar_OutputParameter2();
+
+			[ActionName("Scalar_OutputParameter")]
+			[/*[a]*/ScalarSource/*[/a]*/(ScalarSourceType.OutputParameter, "outputString")]
+			public abstract string Scalar_OutputParameter3();
+
+			[/*[a]*/ScalarSource/*[/a]*/(ScalarSourceType.ReturnValue)]
+			public abstract int Scalar_ReturnParameter();
+
+			[ActionName("Scalar_DataReader")]
+			[/*[a]*/ScalarSource/*[/a]*/(ScalarSourceType.AffectedRows)]
+			public abstract int Scalar_AffectedRows();
+
+			public static TestAccessor CreateInstance()
+			{
+				return (TestAccessor)CreateInstance(typeof(TestAccessor));
+			}
+		}
+
+		[Test]
+		public void DataReaderTest()
+		{
+			TestAccessor ta = TestAccessor.CreateInstance();
+
+			int expectedValue = 12345;
+			int actualValue   = ta.Scalar_DataReader();
+
+			Assert.AreEqual(expectedValue, actualValue);
+		}
+
+		[Test]
+		public void DataReader2Test()
+		{
+			TestAccessor ta = TestAccessor.CreateInstance();
+
+			string expectedValue = "54321";
+			string actualValue   = ta.Scalar_DataReader2();
+
+			Assert.AreEqual(expectedValue, actualValue);
+		}
+
+		[Test]
+		public void DataReader3Test()
+		{
+			TestAccessor ta = TestAccessor.CreateInstance();
+
+			string expectedValue = "54321";
+			string actualValue   = ta.Scalar_DataReader3();
+
+			Assert.AreEqual(expectedValue, actualValue);
+		}
+
+		[Test]
+		public void OutputParameterTest()
+		{
+			TestAccessor ta = TestAccessor.CreateInstance();
+
+			int expectedValue = 12345;
+			int actualValue   = ta.Scalar_OutputParameter();
+
+			Assert.AreEqual(expectedValue, actualValue);
+		}
+
+		[Test]
+		public void OutputParameter2Test()
+		{
+			TestAccessor ta = TestAccessor.CreateInstance();
+
+			string expectedValue = "54321";
+			string actualValue   = ta.Scalar_OutputParameter2();
+
+			Assert.AreEqual(expectedValue, actualValue);
+		}
+
+		[Test]
+		public void OutputParameter3Test()
+		{
+			TestAccessor ta = TestAccessor.CreateInstance();
+
+			string expectedValue = "54321";
+			string actualValue   = ta.Scalar_OutputParameter3();
+
+			Assert.AreEqual(expectedValue, actualValue);
+		}
+
+		[Test]
+		public void ReturnParameterTest()
+		{
+			TestAccessor ta = TestAccessor.CreateInstance();
+
+			int expectedValue = 12345;
+			int actualValue   = ta.Scalar_ReturnParameter();
+
+			Assert.AreEqual(expectedValue, actualValue);
+		}
+
+		[Test]
+		public void AffectedRowsTest()
+		{
+			TestAccessor ta = TestAccessor.CreateInstance();
+
+			int expectedValue = -1;
+			int actualValue   = ta.Scalar_AffectedRows();
+
+			Assert.AreEqual(expectedValue, actualValue);
+		}
+	}
+}