I am wrong or not?

Question

Hi!

In my reportviewer process everything running fine. But when I put this lines of queries in my dataSet1.xsd file to filter the data I need its gives me an error. Very strange when I use a sql database its works. But right now I am using a Ms access data base and its doesnt work. Its gives this error: Error in WHERE clause near '@'
                       Unable to parse query text.


My line of queries:

SELECT Id, name FROM cars

where name = @x

I need a big help. I passed the last night without sleeping to thing about it. But no result!