主题：[求助]

Dim server As String = e.Form.Controls("TextBox1").Text
Dim phones As String = ""
For Each r As Row In Tables("对公客户明细").rows
    phones &= r("手机") & ","
Next
Dim context As String = System.Web.HttpUtility.UrlEncode(e.Form.Controls("TextBox3").Text)
If phones > "" AndAlso context > "" Then '如果输入了电话号码和内容
    e.Form.Controls("btnSend").Enabled = False '禁用发送按钮,避免用户重复单击发送按钮
End If
Dim url  As String = server & "/?numbers=" & phones.Trim(",") & "&text=" & context
try
    Dim rqst As System.Net.HttpWebRequest = System.Net.HttpWebRequest.Create(url)
    Dim rsps As System.Net.HttpWebResponse = rqst.GetResponse
    rsps.close
    'Dim stm As System.IO.Stream = rsps.GetResponseStream()
    'Dim reader As New System.IO.StreamReader(stm)
    'Dim strResult As String = reader.ReadToEnd
    'msgbox(strResult)
    msgbox("提交发送成功")
catch ex As exception
    msgbox("发送失败,请确认服务器地址设置正确!")
End try