如何将网页unicode转换为ascii？

Question

I am attempting to convert a webpage from a format I don't understand to ascii so I can look for certain data. I retrieve the data using webclient with a url of the web page and then using encoding to convert the data from what I think is unicode to ascii but the format doesn't change at all. Below is my code:

WebClient web = new WebClient();
string page = "https://www.myurl.com/";

Stream data = web.OpenRead(page);
StreamReader reader1 = new StreamReader(data);
string input = reader1.ReadToEnd();
Encoding unicode = Encoding.Unicode;
Encoding ascii = Encoding.ASCII;

string webpage = ascii.GetString(
  Encoding.Convert(unicode, ascii, unicode.GetBytes(input))
);

Below is what the webpage data looks like which is the same as the input data which suggests my conversion didn't work.

     \"sprited\":true,\"spriteCssClass\":\"sx_a11c08\",\"spriteMapCssClass\":\"sp_SN-oNOqlzVS\"},\"505789\":{\"sprited\":true,\"spriteCssClass\":\"sx_5219b1\",\"spriteMapCssClass\":\"sp_SN-oNOqlzVS\"},\"505782\":{\"sprited\":true,\"spriteCssClass\":\"sx_c0671f\",\"spriteMapCssClass\":\"sp_SN-oNOqlzVS\"},\"505794\":{\"sprited\":true,\"spriteCssClass\":\"sx_8cf344\",\"spriteMapCssClass\":\"sp_SN-oNOqlzVS\"},\"495429\": 

Does anyone know what kind of data this is and how to convert it into data I can understand? When I show the page source of the webpage on the browser none of this weird data shows up. In other words the data I get from the webclient doesn't look at all like the page source on the browser.

Answer 1

Is that the full web page data below? It looks incomplete on both ends.To me, it looks like JSON data to me. You can convert it into a C# object by using the JavaScriptSerializer class.

JavaScriptSerializer json_serializer = new JavaScriptSerializer();
Test resultingData = (Test)json_serializer.DeserializeObject(your_data);

Answer 2

If you want to read JSON from a request, do it like here ,

var json = web.DownloadString(page);

Then you need to deserialize the string into an object, if you know the type of the model in response, you can do it like this, lets day its ResponseType .

using Newtonsoft.Json;

...

var result = JsonConvert.DeserializeObject<ResponseType>(json);

There is a NuGet package called Facebook which you can import to your project. This will give you some models that might match up with the type.

---

If you don't know the type of the response you could do something like this,

using Newtonsoft.Json.Linq;

...

var jObject = JObject.Parse(json);

Then you can use LINQ to query the object.