主题：[求助]如何抓取网页固定行数的数据

Dim web As new System.Windows.Forms.WebBrowser
web.Navigate("http://hrcp.co/page/YLFXssc.shtml?id=15")
Do Until web.ReadyState = 4
    Application.DoEvents
Loop

For Each tr As object In web.Document.GetElementsByTagName("tr")
    If tr.GetAttribute("ClassName") = "ylfx_content"
        Dim str As String = ""
        For Each td As object In tr.GetElementsByTagName("td")
            str &= td.InnerText & "   "
        Next
        output.show(str)
    End If
Next