I am writing code where I am trying to grab the HTML from a DNS report online (http://viewdns.info/dnsreport/?domain=google.com), but I am having some issues. The one line of the HTML file (Line 231) that I actually need is cutting itself off after around 680 characters. All of the lines after the important one are reading correctly, however. The code for grabbing the HTML is shown below, and I have tried it in two separate ways. This is the first way I tried:
Public Function getWebResourceData(ByVal strURL As String) As String
Dim webClient As New System.Net.WebClient
Dim result As String = webClient.DownloadString("http://viewdns.info/dnsreport/?" & TextBox1.Text)
return result
End Function
And this is the second:
Public Function getWebResourceData(ByVal strURL As String) As String
Dim rt As String = ""
Dim wRequest As WebRequest
Dim wResponse As WebResponse
Dim SR As StreamReader
wRequest = WebRequest.Create(strURL)
wResponse = wRequest.GetResponse
SR = New StreamReader(wResponse.GetResponseStream)
rt = SR.ReadToEnd
SR.Close()
return rt
End Function
Im really not sure what else could be wrong at this point. I have also tried saving the result to a text file to see if that was the issue, but that was incorrect as well. I have looked into the hex codes for the area where the string is stopping, but there isn't anything out of the ordinary. The split occurs between the back to back alligator brackets (shown as parentheses) here: (/tr)(tr)
But there are numerous sets of these tags throughout the HTML that there are no issues with.
Both of your functions don't return what they have read. I have tested the second one and it works correctly.
Sub Main
Dim ret = getWebResourceData("http://viewdns.info/dnsreport/?domain=google.com")
Console.WriteLine(ret.Length)
' Output = 21605
End Sub
Public Function getWebResourceData(ByVal strURL As String) As String
Dim rt As String = ""
Dim wRequest As WebRequest
Dim wResponse As WebResponse
Dim SR As StreamReader
wRequest = WebRequest.Create(strURL)
wResponse = wRequest.GetResponse
SR = New StreamReader(wResponse.GetResponseStream)
rt = SR.ReadToEnd
SR.Close()
return rt
End Function