how to output sql result in textblock ?

hello,

i have followed the tutorial here : http://silverlight.net/learn/tutorials/sqldatagrid.aspx

but that tutorial give the output in gridview.

i want to show the output in texblock.how can i do that ?

 

here is my webservice code :
[ServiceContract]
public interface IService1

{
[OperationContract] Go to the complete details ...