There's no special trick required for use of the htmlInputFile control in a module. However, the file upload and setting of properties such as postedFile will not occur until the page postbacks.

1. Where are you setting the breakpoint? AND most importantly . . .

2. Are you using an ASP.NET AJAX UpdatePanel or have you (in the module's control definition) checked "Supports Partial Rendering" which effectively "wraps" the module's control with an UpdatePanel? The htmlInputFile control must be placed OUTSIDE of an UpdatePanel.

I think you can put the control back in the update panel and use this:

see: http://www.adefwebserver.com/DotNetNukeHELP/Misc/AJAXEmail.htm

RegisterPostBackControl AJAX enhancement

This allows for exclusions of controls from UpdatePanel async processing. This was implemented in the UrlControl to prevent partial rending when uploading files (stream operations do not work with partial rendering).

In the AJAX Email example, the button labeled Post Back actually performs a post back while all the other controls in the pnlEmail Panel do not. DotNetNuke.Framework.AJAX.RegisterPostBackControl is used to implement this functionality. Below is the complete implementation for this feature:

VB:

If DotNetNuke.Framework.AJAX.IsInstalled Then

DotNetNuke.Framework.AJAX.RegisterScriptManager()

DotNetNuke.Framework.AJAX.WrapUpdatePanelControl(pnlEmail, True)

DotNetNuke.Framework.AJAX.RegisterPostBackControl(btnPostBack)

End If

C#:

if (DotNetNuke.Framework.AJAX.IsInstalled())

{

DotNetNuke.Framework.AJAX.RegisterScriptManager();

DotNetNuke.Framework.AJAX.WrapUpdatePanelControl(pnlEmail, true);

DotNetNuke.Framework.AJAX.RegisterPostBackControl(btnPostBack);

}