One of the MOSS 2007 features that ASP.NET developers often miss when writing a custom solution for WSS 3.0 is the QueryString (URL) Filter web part. We often use the query string to define the filter for displaying lists or forms. This web part gives users the flexibility to define the query string key value without affecting the functionality of the solutions.
For some of the custom solutions we have built for WSS 3.0, we have implemented our own QueryString Filter web part to provide similar functionality and flexibility. With this web part, we can easily pass information from query...