Connection String Problem

Question

Hi Every one I am trying to read connection string from Web.config file in Wcf Project
I want to get 
User ID=sa;Password=Passw0rd; Initial Catalog=DealFoundry;Data Source=naresh\\SQLSER2008R2;Persist Security Info=False;

But i am getting differently Like
data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true


Any one Help me