--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HowTo/DataAccess/NonUpdatable.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,46 @@
+using System;
+
+using NUnit.Framework;
+
+using BLToolkit.DataAccess;
+using BLToolkit.Mapping;
+
+namespace HowTo.DataAccess
+{
+	[TestFixture]
+	public class NonUpdatable
+	{
+		public enum Gender
+		{
+			[MapValue("F")] Female,
+			[MapValue("M")] Male,
+			[MapValue("U")] Unknown,
+			[MapValue("O")] Other
+		}
+
+		public class Person
+		{
+			[MapField("PersonID"), PrimaryKey, /*[a]*/NonUpdatable/*[/a]*/]
+			public int    ID;
+
+			public string LastName;
+			public string FirstName;
+			public string MiddleName;
+			public Gender Gender;
+		}
+
+		[Test]
+		public void Test()
+		{
+			SqlQuery<Person> query = new SqlQuery<Person>();
+
+			Person person = new Person();
+
+			person.FirstName = "Crazy";
+			person.LastName  = "Frog";
+			person.Gender    = Gender.Other;
+
+			query./*[a]*/Insert(person)/*[/a]*/;
+		}
+	}
+}