Downloaded Datagrid extention and installed it. I tried to use extention and I get the following message----- while executing onload, the following javascript. at line 956 c:\programs file (x86)\adobe\adobe dreamweaver cs5.5\configuration\commands\dmxgrid.htm (this file does not exit)

tried installing a few times same results

Hello Randy.

Please try to clear your DW cache file, the following article will help you to achieve this :

Clearing Dreamweaver's cache

Regards: Vulcho.