Pass values in QueryString using VB.Net

Response.Redirect("http://localhost/WebApplication3/Forms/paymentprocessing.aspx?fname=+"

'Me.txtFirstName.Text"'", False)

how do i pass the text from a control in the querey string???

Dim myURL as string = "http://Localhost/WebApplication3/Forms/paymentprocessing.aspx?fname="

myURL = myURL & Me.txtFirstName.Text

Response.Redirect(myURL, False)