LaTeX.org

I have seen many topics on this subject, but it doesn't work with me.

I have a table, and I want to vertical align all the columns.

Consider this code:

\begin{table}[h]
\centering
\sffamily \begin{tabularx}{\linewidth}{|X|c|c|c|c|c|c|X|}
\hline
\multicolumn{2}{|c|}{Topologie} & \#c & Motif ...