Business Logic Toolkit for .NET
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OpenConfig.cs

using System;

using NUnit.Framework;

using BLToolkit.Data; using BLToolkit.DataAccess; using BLToolkit.Mapping;

namespace HowTo.DataAccess { [TestFixture] public class OpenConfig { public class Person { [MapField("PersonID"), PrimaryKey, NonUpdatable] public int ID;

public string LastName; public string FirstName; public string MiddleName; }

public abstract class TestAccessor : DataAccessor { public abstract Person SelectByKey(int id); public abstract Person SelectByKey(DbManager db, int id); }

// DbManager is created by DataAccessor. // [Test] public void Test1() { TestAccessor ta = DataAccessor.CreateInstance<TestAccessor>();

Person person = ta.SelectByKey(1);

Assert.IsNotNull(person); }

// DataAccessor takes DbManager as a parameter. // [Test] public void Test2() { using (DbManager db = new DbManager()) { TestAccessor ta = DataAccessor.CreateInstance<TestAccessor>(db);

Person person = ta.SelectByKey(1);

Assert.IsNotNull(person); } }

// DataAccessor method takes DbManager as a parameter. // [Test] public void Test3() { using (DbManager db = new DbManager()) { TestAccessor ta = DataAccessor.CreateInstance<TestAccessor>();

Person person = ta.SelectByKey(db, 1);

Assert.IsNotNull(person); } } } }

App.config

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <connectionStrings>
        <add
            name             = "DemoConnection"
            connectionString = "Server=.;Database=BLToolkitData;Integrated Security=SSPI"
            providerName     = "System.Data.SqlClient" />
    </connectionStrings>
</configuration>
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