How to pass a variable number of parameters to a SQL Server stored procedure?

Question

I used SQL Server 2005 for my small web application. I Want pass parameters to SP . But there is one condition. number of parameter that can be change time to time. Think ,this

Answer 1

Preparing and exctracting tags from XML is aperformance killer. The inconsistant execution timings depends on whether plan is cached or not.

Using NVARCHAR(MAX) instead is a better option. Just prepare you parameter strings with "@name=Value" pair, and add a unique parameter sepearetor if needed. Inside the procedure use SUBSTRING, CHARINDEX, etc. to get individual parameters.