ok.
Código vb:
Ver originalDim strText As String = "Prueba"
Dim writer As HtmlTextWriter() = new HtmlTextWriter(strText)
'1
writer.RenderBeginTag(HtmlTextWriterTag.Br)
writer.RenderEndTag()
'2
writer.WriteBeginTag("br")
writer.Write(HtmlTextWriter.SelfClosingTagEnd)
espero esta vez si salga.
Saludos.