c# - Get HTML Code as String with Windows 1252 Encoding

Question

I am working on an App for Windows Mobile. Currently I am trying to get the HTML Source code from a webpage with Windows 1252 Encoding. While running the code below I'm always getting a "System.NotSupportedException". Can anybody help me?

The place it gets called:

private async void b_day1_Click(object sender, RoutedEventArgs e)
{
    int day = 1;
    await GetHTML(day);
}

The method "GetHTML(int day)":

public async System.Threading.Tasks.Task<string> GetHTML(int day)
{
    var client = new HttpClient();
    HttpResponseMessage response;
    if (day == 1)
    {
        response = await client.GetAsync("http://www.fsglb.de/fileadmin/stundenplaene/vplan/1.htm");
        var bytearray = await response.Content.ReadAsByteArrayAsync();
        string final = Encoding.GetEncoding(1252).GetString(bytearray);
        Debug.WriteLine(final);
        return final;
    }
}

Exactly where do you get this extension (works on my machine...)? Can you split the Encoding.GetEncoding and GetString to separate lines var encoding = Encoding.GetEncoding(1252); string final = encoding.GetString(bytearray); — hsulriksen
– hsulriksen, Commented May 29, 2016 at 10:37
This code works for me well, possibly the problem is in the code that calls this one, can you share it? — Wapac
– Wapac, Commented May 29, 2016 at 10:37
Use this Use Encoding.Convert method. msdn.microsoft.com/en-us/library/kdcak6ye.aspx — Codeone
– Codeone, Commented Jun 2, 2016 at 11:42

MadMax · Accepted Answer · 2016-05-29 16:09:02Z

2

I've solved the problem. I had to enable all Encodings with:

Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);

answered May 29, 2016 at 16:09

MadMax

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1 Comment

thomasgalliker Over a year ago

With .netstandard2.0 (and later) you will have to install the nuget package System.Text.Encoding.CodePages in order to get CodePagesEncodingProvider.Instance.

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