Welcome to BLToolkit

Business Logic Toolkit is a set of components to simplify .NET application development. BLToolkit is provided as source code that you can use "as is" or customize for your applications. It is written in C# and compatible with .NET Framework 3.5 and 4.0.

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<table>
<tr>
<td valign=top width=20%>&#8226; [++Doc.Aspects|Aspects]</td>
<td>
CacheAspect, CounterAspect, LoggingAspect, MixinAttribute. All of these are available now in C# (well, with one little limitation).
<div style='font-size:.65em;margin-top:.6em;'>
[code lang=c#]
[/*[a]*/Counter/*[/a]*/, /*[a]*/Log/*[/a]*/]
public /*[a]*/abstract/*[/a]*/ class MyClass
{
	[/*[a]*/Cache/*[/a]*/]
	public /*[a]*/virtual/*[/a]*/ int MyMethod(int p1, int p2)
	{
[/code]
</div>
</td>
</tr>
<tr>
<td valign=top>&#8226; [++Doc.ComponentModel|ComponentModel]</td>
<td>Object Binder. Add Business Objects' native purity and flexibility to your ASP.NET and WinForms applications.</td>
</tr>
<tr>
<td valign=top>&#8226; [++Doc.Data|Data]</td>
<td>
High-level, data provider independent wrapper for ADO.NET.
<div style='font-size:.65em;margin-top:.6em;'>
[code lang=c#]
using (DbManager db = new DbManager())
{
	return db
		.SetCommand("SELECT * FROM Person")
		.ExecuteList<Person>();
[/code]
</div>
</td>
</tr>
<tr>
<td valign=top>&#8226; [++Doc.Linq|Data.Linq]</td>
<td>
Linq provider for numerous databases.
<div style='font-size:.65em;margin-top:.6em;'>
[code lang=c#]
from c in db.Customer where c.ContactName.Length > 5 select c.ContactName;
[/code]
</div>
</td>
</tr>
<tr>
<td valign=top>&#8226; [++Doc.DataAccess|DataAccess]</td>
<td>
Data Access Layer. Got bored of writing the same data access code over and over again? Now you are saved from being just a coding machine!
<div style='font-size:.65em;margin-top:.6em;'>
[code lang=c#]
public /*[a]*/abstract/*[/a]*/ class PersonAccessor : /*[a]*/DataAccessor/*[/a]*/
{
	[/*[a]*/SqlText/*[/a]*/(@"SELECT * FROM Person WHERE FirstName = @firstName")]
	public /*[a]*/abstract/*[/a]*/ List<Person> GetPersonListByFirstName(string @firstName);

	[/*[a]*/SprocName/*[/a]*/("sp_GetPersonListByLastName")]
	public /*[a]*/abstract/*[/a]*/ List<Person> GetPersonListByLastName(string @lastName);
[/code]
</div>
</td>
</tr>
<tr>
<td valign=top>&#8226; [++Doc.EditableObjects|EditableObjects]</td>
<td>
Set of base classes to build custom object hierarchies. The ''EditableObject'' and ''EditableList'' classes support such methods as ''AcceptChanges'', ''RejectChanges'', flag ''IsDirty'', and ''PropertyChanged''.
<div style='font-size:.65em;margin-top:.6em;'>
[code lang=c#]
public /*[a]*/abstract/*[/a]*/ class TestObject : /*[a]*/EditableObject/*[/a]*/<TestObject>
{
	public /*[a]*/abstract/*[/a]*/ string FirstName { get; set; }
	public /*[a]*/abstract/*[/a]*/ string LastName  { get; set; }
}
...
TestObject obj = TestObject./*[a]*/CreateInstance/*[/a]*/();
obj.FirstName = "Tester";
obj.AcceptChanges();
[/code]
</div>
</td>
</tr>
<tr>
<td valign=top>&#8226; [++Doc.Mapping|Mapping]</td>
<td>High performance object mapper will help you build your own ORM.</td>
</tr>
<tr>
<td valign=top>&#8226; [++Doc.Reflection|Reflection]</td>
<td>The ''TypeAccessor'' class allows to avoid slowness of Reflection and gain incredible performance of applications working with types dynamically.</td>
</tr>
<tr>
<td valign=top>&#8226; [++Doc.EmitHelloWorld|Reflection.Emit]</td>
<td>
The ''EmitHelper'' class - emit with a human face.
<div style='font-size:.65em;margin-top:.6em;'>
[code lang=c#]
emit
	// string.Format("Hello, {0}!", toWhom)
	//
	./*[a]*/ldstr/*[/a]*/   ("Hello, {0}!")
	./*[a]*/ldarg_1/*[/a]*/
	./*[a]*/call/*[/a]*/    (typeof(string), "Format", typeof(string), typeof(object))

	// Console.WriteLine("Hello, World!");
	//
	./*[a]*/call/*[/a]*/    (typeof(Console), "WriteLine", typeof(string))
	./*[a]*/ret/*[/a]*/()
	;
[/code]
</div>
</td>
</tr>
<tr>
<td valign=top>&#8226; [++Doc.TypeBuilder|TypeBuilder]</td>
<td>Extensible run-time class generator.</td>
</tr>
</table>