Want App.config fill for connection string in vb.net windows applications

hi,

my connection string in global class.

but i want in different file like .xml,.txt,.config, etc....

eg:-

Public Const sConnStr As String = "Provider=SQLOLEDB.1;Persist Security Info=False;" & _

                          "User ID=UsrRead;Password=pass;Initial Catalog=dbnm;Data Source=ipadd;" & _
                          "pooling=true;connection reset=false;" & _
                          "connection lifetime=0;enlist=true;" & _
                          "min pool size=0;max pool size =1000;" & _
                          "connection timeout=5000000"