Counting Subsets of Items in a Data View Web Part (DVWP)

I’ve posted about this application before. It helps my client manage their inventory of sports tickets which they can use with their clients and vendors.  They have a regulatory reporting requirement to maintain information about who uses the tickets and what their relationship is. In this case, we wanted to be able to count the…

Using Query String Variables to Populate SharePoint Form Fields

If you have a parent/child relationship between two lists, you will undoubtedly want your users to be able to create child items without having to type in the common key or ID.  I’m not going to go into the full architecture of this here, but here’s an important part of the process. Let’s say that…

SharePoint Data View Web Part Extension Functions in the ddwrt Namespace

Serge van den Oever wrote this MSDN article about the functions that are available in the ddwrt namespace.  He wrote it for SharePoint 2003 and posted it to MSDN in October 2005, but I’ve never found a newer or better reference for MOSS.  I’ve used Serge’s postings many times to help solve challenges, and I…

Rolling Up Content in SharePoint Using the Data View Web Part (DVWP)

In a recent post, I pointed out a way to roll up calendar entries using the Data View Web Part (DVWP).  That approach works if you have a fixed set of calendars for which you’d like to display the roll-up.  But what if you’d like the roll-up to be dynamic, i.e., have it display events…