sql server database 2005 connection error

[kishorepatel]

myConn.Open()
            myCommand.ExecuteNonQuery()
            MessageBox.Show("Database is created successfully", _
                            "MyProgram", MessageBoxButtons.OK, _
                             MessageBoxIcon.Information)
            Dim DbConStrng2 = "Data Source=.\SQLEXPRESS;AttachDbFilename=" & DbFullPath & ";Integrated Security=True;Connect Timeout=30;User Instance=True"
            Dim DbConnection As SqlConnection = New SqlConnection(DbConStrng2)
            Dim obj As New SqlCommand
            Dim DbReader As SqlDataReader = Nothing

     Line no. 114      If createTable(obj, DbConnection, DbReader, DbConStrng2) Then
           MessageBox.Show("Tables Created successfully")
     End If

I am getting the attached error on line no. 114