C#中如何发送XMLHTTP请求?

[rockrabbit]

例如：如果在VBS中发送请求的代码如下，如何用C#实现？

Dim objXMLHTTP

Set objXMLHTTP = CreateObject("MSXML2.XMLHTTP")

objXMLHTTP.Open "POST", "http://url/test.asmx", False
objXMLHTTP.setRequestHeader "Content-Type","text/xml"
objXMLHTTP.setRequestHeader "SOAPAction","http://url/GetRequest"

Dim szData
szData = "<?xml version=""1.0"" encoding=""utf-8""?>" & _
"<soap:Envelope xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xmlns:xsd=""http://www.w3.org/2001/XMLSchema"" xmlns:soap=""http://schemas.xmlsoap.org/soap/envelope/"">" & _
"<soap:Body><Test>tt</Test>" & _
"</soap:Body>" & _
"</soap:Envelope>"

objXMLHTTP.setRequestHeader "Content-Length", Len(szData)
objXMLHTTP.Send szData

Dim strResponse
strResponse=objXMLHTTP.ResponseText
msgbox strResponse

[nga96]

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