fixes #6853 !strict
fixes #6853 !strict

  * Changed internal structures of DataGrid to make indexing more accurate and fix removeSelectedRows.


git-svn-id: ee6e786acc44c9cca5ee17c71a5576c45c210361@14087 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful