(Resolved) Convert Guid to String Error

[FastEddie]

I am trying to pass a series GUIDs to a Stored Procedure and am getting this error:

Failed to convert parameter value from a Guid to a String (focus goes to the ExecuteNonQuery.

'
    Private Sub SelectRecordstoDelete()
        Dim cnn As New SqlConnection(aCon)
        Dim cmd As New SqlCommand
        Dim da As New SqlDataAdapter
        Dim ds As New DataSet
        cmd = cnn.CreateCommand
        cmd.CommandText = "Select FormID From " & _
        "tbl_Forms Where DateSubmitted Between " & _
        "'2007-02-02' and '2007-02-06'"
        da.SelectCommand = cmd
        da.Fill(ds, "IDs")
        With ds.Tables("IDs")
            For i As Integer = 0 To .Rows.Count - 1
                DeleteRecords(.Rows(i).Item(0))
            Next
        End With
    End Sub
 
    Sub DeleteRecords(ByVal myGUID As Guid)
        Dim da As New SqlDataAdapter
        Dim ds As New DataSet
        Dim strSp As String = "spd_DeleteForm"
        Dim cn As SqlConnection = New SqlConnection(aCon)
        Dim cmd As SqlCommand = New SqlCommand(strSp, cn)
        cn.Open()
        With cmd
            .CommandType = CommandType.StoredProcedure
            .Parameters.Add( _
                "@FormID", _
                SqlDbType.VarChar, 50).Direction = _
                ParameterDirection.Input
            .Parameters("@FormID").Value = myGUID
            .ExecuteNonQuery()
        End With
    End Sub