Infopath forms can give better
look and feel for the user interface in SharePoint.
It is recommended to use Infopath for lesser complex user interface and to use minimal coding in the Infopath forms.
How ever c# programming is
possible in Infopath forms for the client side validation and presentation
purpose or implementation of certain level of business logic.
Xpath objects are used to
access the Infopath values.
Before submitting the form we can
make the data to be validated,
verified or transformed using c# code. For this we need to enable Perform
custom action using code in the submit options.
If we have VSTA (Visual Studio
Tools for Applications) and .net framework 3.1 SP1
We can program in Infopath using
c#.
The events available in the info
path forms are classified as Button events, Data events and Form events. There
is a limitation of browser compatibility of some of the events.
Once form is designed and
authored the source code, form can be published for publishing we need to
configure the form as domain trust or full trust.
Domain trust forms can be
published to SharePoint as Sandboxed Solutions directly from the Infopath 2010
Designer. With Sandboxed Solutions, However SharePoint Server farm
administrators can control the resources available to the code and developers
cannot access resources subject to operating system security. This help Site
Collection administrators can publish code with out Farm administrator
approval.
Publishing a full trust form to
SharePoint requires activating the solution through the SharePoint Central
Administration.
