phuoc, thanks But I have found out how to call a web service from codebehind file I have created web service in VS project, Just you have to import the webservice file Suppose my webservice file is hello.asmx imports projectname.hello dim objh as hello() objh.GetUser() my question is, Right now I am returning data in array format How can I return a data fetched with help of query to the calling .aspx?