C#: how do I download XML-data after click "accept" on website => usage of the simple tumblr

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I want to read the XML-data from the simple tumblr API.

When opening e.g.:

https://demo.tumblr.com/api/read[^]

in your browser for the first time, you have to click on "Accept". Then you get the XML-data that I want to import into a small program.

A description of the API is here :
Tumblr API v1 | Tumblr[^]
so I know that the XML is limited to max. 50 entries and I know how to "iterate" over them by setting the start-parameter, but I am not even able to get the inital 20 entries.

What I have tried:

I tried several things so far. My latest version is:

C#

string strURL = "https://demo.tumblr.com";
            
WebClient wClient = new WebClient();
wClient.Encoding = System.Text.Encoding.ASCII;
wClient.BaseAddress = strURL;

//Read for the first time            
string strData = wClient.DownloadString("/api/read");
            
if (strData.StartsWith("<!DOCTYPE html>"))
{
     var nvcAgree = new System.Collections.Specialized.NameValueCollection
     {
       {"btn_yes", "agree" }
     };

     //Click on "Accept" and read the second time
     strData = Encoding.ASCII.GetString(wClient.UploadValues("/api/read", nvcAgree));



    /*
    Here will be code to repeatedly open the website as the XML is limited to
    50 entries
    */

     this.textBox1.Text = strData;
                
}

Unfortunately this does not work and I am always getting the html-data for the "disclaimer" to be accepted.

Any help is appreciated!

Cheers
Daniel Roerick

Posted 3-Dec-19 12:07pm

Daniel Roerick

Updated 3-Dec-19 19:02pm

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Ashutosh Gpt · Answer 1 · 2019-12-03T19:02:00

Solution 1

check with Encoding as UTF8 and set headers.
WebClient wClient = new WebClient();
wClient.Headers["Content-type"] = "text/xml";
wClient.Encoding = Encoding.UTF8;

Posted 3-Dec-19 19:02pm

Ashutosh Gpt

Updated 3-Dec-19 19:03pm

v3

Comments

Daniel Roerick 4-Dec-19 16:35pm

Unfortunately this does not help! I meanwhile doubt whether I "clicked" the button correctly.

I examined the button (with Firefox) and it says

Accept

Although I deleted the underscore in my NameValueCollection it does not work ...