Literal Control to add IFrame and change the Link dynamically

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        
        If (Request.Params("strPage") Is Nothing) Or (Request.Params("strPage") = "") Then
            Me.litIframe.Text = "Error: page cannot be loaded as there no parameters."
        Else
            'Attach IFrame to Literal Control and attach the 
            'Querysting param Page to the IFrame SRC
            litIframe.Text = "<IFRAME NAME='frmPage'" & _
              " WIDTH='100%' HEIGHT='100%' SRC='" & Request.Params("strPage") & "' />"
        End If
    End Sub