Creating a grid in mapinfo
<p>i Need help in mapinfo. We are doing Raster based GIS and cartographic modelling.
I need to create a 100mX100m grid in mapinfo, but i'm not sure what extents i have to set for going further. 
Object type: Closed Regions
Smoothness: 0
Spacing Between lines is 100 meters, 
and projection set to British coordiante system..
please help me to make the grid.</p>