I think I've found the answer. I found this nice summary of CSS
Selectors<http://www.w3schools.com/cssref/css_selectors.asp> and
near the end is :nth-child(n). I ran a few experiments and found this will
turn the 2nd column of all tables yellow:
td:nth-child(2) { background: yellow; }
The problem is I have many tables on the page, so I had to apply that
selector to specific tables. After many experiments I eventually found that
if you give a unique id= to each table then you can do this:
#table1 td:nth-child(2)
However, this worked in my simple test html page but did nothing when I
tried it in a real ASP.NET generated page. So after more bumbling I found
that if each table has a unique class= assigned to it then you can:
.footable td:nth-child(2)
So this lets me "externally" apply formatting to each column of different
tables without the need to touch the table markup. This can reduce the size
of pages considerably.
Greg
