This is a plugin for the Grid that allows dropping of rows from spreadsheets directly into the grid. More details along with a screencast are on my blog post.
- Blog Post: DataDrop - Drag Grid Data in From a Spreadsheet
- Blog Post: DataDrop - Forwarding Mouse Events Through Layers
- Google Code Repo (outdated, see Github instead)
- DataDrop code on Github (current code)
- See it in action (ScreenCast)
Not sure what else to say...