Question

I have the following c# code embedded in a literal <% %> of a c# asp.net page

string commandString = "SELECT tblData.Content " +
                        "FROM tblData " +
                        "WHERE (tblData.ref = N\'%"+myCurrentREF+"%\')";

This is breaking my code since it apparently cannot use the \' escape character. Why is it so? other escape characters like \" are working so why isn’t \' working?

Answer 1

The sequence \” is “working” if you choose ” as string terminator.

If you’d use @” as initial string terminator, the sequence \” does not escape the quote (but “” does).

So \” is not a “universal” escape sequence, and \’ is none.