T4 WebForms Injection

T4 WebForms Injection is a T4 template for ASP.NET WebForms that creates parameterless constructors for classes that have a dependency injectable constructor, but are created via a sealed factory.

Targets subclasses of

• System.Web.UI.MasterPage
• System.Web.UI.Page
• System.Web.UI.UserControl
• System.Web.IHttpHandler
• System.Web.IHttpModule
• Additional base classes can be added/removed via T4WebFormsInjection.tt.settings.xml

Requirements

• The target class must be partial
• No parameterless constructor can already exist (a compiler error will be thrown if one already exists)
• Every parameter in the constructor will be injected

Steps to install/configure

• Install T4WebFormsInjection in your app using NuGet
• Edit the configuration file
• Run custom tool to generate the template

Credits

• Settings code harvested from T4MVC
• Manager.tt from Damien Guard