Case insensitive string compare with linq-to-sql and linq-to-objects

Question

see also Differences between LINQ to Objects and LINQ to SQL queries

We are using the some queries over our database and our

Answer 1

Here are the list of supported string operations in LINQ to SQL, which would obviously work in LINQ to objects: http://msdn.microsoft.com/en-us/library/bb882672.aspx

I personally haven't evaluated each for performance, but ToLower and ToUpper aren't supported in LINQ to SQL, so it seems like Compare is a good candidate. You can explore the translated SQL by using a tool like LINQPad, which has a free version and translates a query into database SQL, and see how it runs against the DB.

Also, LINQ to Objects probably differs so what's good for one may not be good for the other...