In parts one and two on this topic, I gave an overview of SharePoint form validation and gave an example of how you can implement some validation with JavaScript. In this post, I’ll show how you can use more standard .NET validation with a custom form. (Be sure to check out Part 4 as well,…
I had some questions today from a respected colleague about when to use separate Site Collections, and I sorta liked my response, so I’m going to foist it off on you, too. The gist of the questions was this: They are fighting the battle of site collections here (IT wants several) which of course will…
In my previous post I outlined a few approaches to validation in SharePoint forms. In this post, I’ll give some simple examples of how you might validate some date inputs. For this example, I’m using a little Paid Time Off (PTO) application I built for one of my clients. The basic idea was that the employees…
There are many occasions where you might like to do some validation on NewForm.aspx and/or EditForm.aspx in SharePoint beyond the simple column by column validation which the form provides automagically. For instance, if you have two dates, you might want to ensure that the second is after the first, or you may want the entry…
In an earlier post, I wrote about Eliminating Duplicates in Data View Web Parts. I just got a question on that post about how to create the dropdown in the first place, and it seemed post-worthy. Generally, you’ll want to create a separate DVWP containing a dropdown and use it to trigger the display of…