Report Viewer Web-Part Parameters

When attempting to pass parameters to the Report Viewer Web Part, you need to ensure that the report parameter type is set to Prompt, otherwise the connection interface never makes the parameter selectable in the UI.

SPWeb Property Bag

The contents of the property bag are persisted when a site is saved to an STP, so you need to check for the existence of a property in the bag before attempting to add it..

Storing Data in the SPWeb Property Bag

To ensure that data is persisted to the property bag, call the Update() method, just as you would for any other SharePoint object.

Cannot Import Web Part

If you can’t import a web part you have written – check that the web-part class is actually public !!!