1
vote
0answers
229 views

Validate list item with javascript API

I want to develop a custom datasheet view to edit a list. I add item through the javascript API. The problem is that the service doesn't control fields value. For example : - I add an item with a ...
3
votes
1answer
609 views

How can I make sure that only one of two fields is filled out (ListItem)?

I have custom SharePoint list with several fields. Two of the fields are TargetPage and ExternalURL. At the moment the user is allowed to fill out both of them if he want to, and I want to deny that. ...