Why would var be a bad thing?

Question

I\'ve been chatting with my colleagues the other day and heard that their coding standard explicitly forbids them to use the var keyword in C#. They had no idea

Answer 1

I have had cases (when I foreach through a Table.Rows collection) when using var resulted in the type being of some base class rather than the actual DataRow type. That is the only time I have had trouble with var.