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<blockquote cite="mid:mailman.23.1257937202.3434.pstricks@tug.org"
type="cite">
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<pre wrap="">tido{\i=0+1}{11}{\multido{\j=0+1}{11}{\psdots[linecolor=red,dotsize=10pt](\i,\j)}}
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<pre wrap=""><!---->
see multi documentation for variable names
\documentclass{article}
\usepackage{pst-all}
\begin{document}
\begin{pspicture}[showgrid=true](-1,-1)(10,10)
\multido{\iA=0+1}{11}{ %
\multido{\iB=0+1}{11}{ %
\psdots[linecolor=red,dotsize=10pt](\iA,\iB)}}
\end{pspicture}
\end{document</pre>
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<br>
sorry, I had not seen the better answer provided by Herbert.<br>
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