How to know if a field is numeric in Linq To SQL

Question

I need to select the rows of a table where a column value is numeric, any Help?

EDIT: I have a varchar column and I need to select the ones that are numbers and the

Answer 1

Open up your DBML (LINQ-to-SQL) file in an XML editor, go down to the end of the file and paste this just before the '' node:

Now, you can use the already-in-SQL function called "ISNUMERIC". Here's how:

var blah = myDataContext.Accounts.Where(account=>
    myDataContext.ISNUMERIC(account.ID) == true);

There you go :)

You may also find these functions useful to copy: