Issue in Parsing Json image in C#


net C#. I am trying to parse Json from a webservice. I have done it with text but having a problem with parsing image. Here is the Url from where I m getting Json


And this is My code to Parse it

using (var wc = new WebClient()) { JavaScriptSerializer js = new JavaScriptSerializer(); var result = js.Deserialize<ck[]>(wc.DownloadString("http://collectionking.com/rest/view/items_in_collection.json args=122")); foreach (var i in result) { lblTitle.Text = i.node_title; imgCk.ImageUrl = i.["main image"]; lblNid.Text = i.nid;

Any help would be great. Thanks in advance. PS: It returns the Title and Nid but not the Image. My class is as follows:

public class ck { public string node_title; public string main_image; public string nid; }


Try This

private static string ExtractImageFromTag(string tag) { int start = tag.IndexOf("src=\""), end = tag.IndexOf("\"", start + 6); return tag.Substring(start + 5, end - start - 5); } private static string ExtractTitleFromTag(string tag) { int start = tag.IndexOf(">"), end = tag.IndexOf("<", start + 1); return tag.Substring(start + 1, end - start - 1); }

It may help


Your problem is that you are setting ImageUrl to something like this <img typeof="foaf:Image" src="http://... and not an actual url. You will need to further parse main image and extract the url to show it correctly.


This was a though nut to crack because of the whitespace. The only solution I could find was to remove the whitespace before parsing the string. It's not a very nice solution but I couldn't find any other way using the built in classes. You might be able to solve it properly using <a href="http://json.net" rel="nofollow">JSON.Net</a> or some other library though.

I also added a regular expression to extract the url for you, though there is no error checking what so ever here so you'll need to add that yourself.

using (var wc = new WebClient()) { JavaScriptSerializer js = new JavaScriptSerializer(); var result = js.Deserialize<ck[]>(wc.DownloadString("http://collectionking.com/rest/view/items_in_collection.json?args=122").Replace("\"main image\":", "\"main_image\":")); // Replace the name "main image" with "main_image" to deserialize it properly, also fixed missing ? in url foreach (var i in result) { lblTitle.Text = i.node_title; string realImageUrl = Regex.Match(i.main_image, @"src=""(.*?)""").Groups[1].Value; // Extract the value of the src-attribute to get the actual url, will throw an exception if there isn't a src-attribute imgCk.ImageUrl = realImageUrl; lblNid.Text = i.nid; } }


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