What's the best way to do a bulk namespace rename on a large c# application?

Question

First, a little background.

Currently namespaces and assemblies in our codebase (~60 assemblies, thousands of classes) looks like

WidgetCompany.Depar         


        

Answer 1

• Open a random class in [WidgetCompany.Department.Something]
• Edit->Find and Replace->Replace in Files
• Type "WidgetCompany.Department.Something" in FindWhat area
• Type "NewCompany.Something" in Replace with area
• Select Current Project in Look in area.
• Replace All