I just released a new build of the free SQLView module in the downloads section (registration required).

Fixes include:

    - Fixed: if querystring parameter is missing, it is replaced with an empty value
    - Fxied: xsl file selector was always defaulting to file even after none selected
    - Added: grid styles now default to the standard styles found in module.css when first edited
    - Fixed: removed reliance on XmlUtils.GetXSLContent from DNN framework and now use XSLCompiledTransform for 4x faster xsl rendering