Sending Request And Get Response with POST Method

Imports System.IO  

Imports System.Net  

Partial Class Default1  

    Inherits System.Web.UI.Page  

      Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load  

        Dim strURL As String = “”  

        Dim strPostData As String = “”  

        Dim strResult As String = “”  

        Dim wbrq As HttpWebRequest  

        Dim wbrs As HttpWebResponse  

        Dim sw As StreamWriter  

        Dim sr As StreamReader  

  

        ’ Set the URL to post to  

        strURL = “http://www.webcom.com/cgi-bin/form”  

        ’ Post some values to the page  

        strPostData = String.Format(“your_name={0}&userid={1}&form_name={2}”, “Mark Smith”, “webcom”, “tutortest”)  

  

        ’ Create the web request  

        wbrq = WebRequest.Create(strURL)  

        wbrq.Method = “POST”  

        ’ We don’t always need to set the Referer but in this case   

        ’ the page we are posting to will only issue a response if we do  

        wbrq.Referer = “http://www.webcom.com/cgi-bin/form”  

        wbrq.ContentLength = strPostData.Length  

        wbrq.ContentType = “application/x-www-form-urlencoded”  

  

        ’ Post the data  

        sw = New StreamWriter(wbrq.GetRequestStream)  

        sw.Write(strPostData)  

        sw.Close()  

  

        ’ Read the returned data   

        wbrs = wbrq.GetResponse  

        sr = New StreamReader(wbrs.GetResponseStream)  

        strResult = sr.ReadToEnd.Trim  

        sr.Close()  

  

        ’ Write the returned data out to the page  

        TextBox1.Text = strResult  

    End Sub  

End Class