有什么工具可以用来对WPF和Silverlight数据库问题进行故障诊断?

In general, what are the best practices to debug a Silverlight or WPF application, especially when you get errors with Databinding? Are there free tools available? I am not getting any errors as such, but I am interested in figuring out the approaches that you take as Silverlight and WPF experts.In general, what are the best practices to debu