I have overlaid a 10m x 10m grid onto a UK Ordnance Survey raster map. I have set both raster and vector maps to the same CRS, (OSGB 1936 British National Grid; ESPG:27700). I have a csv file containing biological survey information gathered at differing 10m quadrats. I want to join the survey data to my 10m x 10m grid as a new layer. However, when I open the attribute table, only Y co-ordinate data is shown. How do I make QGIS show both x and y co-ord attributes for a grid so that I can import my tabular information?