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Modifying List Forms in InfoPath

Prior to SharePoint 2010 modifying list forms to add custom business logic was difficult. This was because the list forms were simple ASP.NET pages, and you either had to modify these in SharePoint Designer or do some tricks, none of which were very elegant and maintainable. In SharePoint 2010 you can convert your list forms into InfoPath forms, which can be easily modified and are really easy to maintain. You modify the Tasks lists form in InfoPath. To do that, follow the next steps.

Try It Yourself: Modify the Tasks List Form in InfoPath

In this section you modify the Tasks List Add and Edit forms. You add some validations and do some UI style modifications.

1. Browse to the Tasks list in your SharePoint site. ...