Getting an error when trying to connect using the SqlConnection

I am getting the following error when  write out this line of code.

Imports System.Data
Imports System.Data.SqlClient
 Dim conStr As String = "SERVER=LMI167\DBTEST;Database =ORKA Test; trusted_connection= yes"
        Dim objcon As New SqlConnection(conStr)

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Reference required to assembly 'System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=969db8053d3322ac, Retargetable=Yes' containing the base class 'System.ComponentModel.Component'. Add one to your project.