storing and retrieving mathematical symbols

[kavithavr]

Hello

How to store and retrieve mathematical symbols between webforms and sql database?

In webform i am having a dropdown list. In the list i have list of symbols when i am selecting and storing it into the database some of the symbols are stored as question mark and also retrived as question mark. tell me the solution for this situation.

 

[JohnH]

You need to use unicode fields, those that start with N, as in NCHAR, NVARCHAR, NTEXT.