How create a query using data from tables in different schema?

I need to create a dynamic query using the tables belonging to different schemas in SQL sever 2008 R2. I used the following function to get datatable. It looks like the ASP.NET does not recognize the database schema. The error I got is Invalid object name 'Finance.HospitalAccount'. 
How to create a query from tables in different schemas is my question.  I am using VS 2010.
Shared Function GetDataTable(ByVal strQry As String) As DataTable Dim strconn As String = System.Configuration.ConfigurationManager.ConnectionStrings("QOM_QualityConnectionString").ToString Dim conn As SqlConnection = New SqlConnection(strconn) Dim strError As String = "" Dim objCmd As New SqlCommand objCmd.Connection = conn objCmd.CommandType = CommandType.Text Dim objDS As New DataSet Dim objDT As New DataTable Try ' Create new DataAdapter ...