[英]C# XML from URL - Data at the root level is invalid. Line 1, position 1
[英]XML from URL - Data at the root level is invalid. Line 1, position 1 Why it works with one URL and not the other?
據我所知,這兩個端點都是有效的 XML 輸出。 但是,當我在第二個端點上使用相同的代碼時,出現錯誤:
根級別的數據無效。 第 1 行,位置 1
這是我的代碼:
//Works
XmlDocument testDocument = new XmlDocument();
testDocument.Load("https://www.w3schools.com/xml/note.xml");
//Fails
XmlDocument testDocumentTwo = new XmlDocument();
testDocumentTwo.Load("https://www.domainNameHere.com/direct/umbraco/api/productsearch/NameSearch?countryCode=en-gb");
我打開了 Fiddler 並觀察了請求及其響應,瞧,您的端點返回的是 JSON,而不是 XML:
如果我使用HttpClient
設置顯式Accept
標頭,那么我會返回 XML 並且一切正常:
using var client = new HttpClient();
var requestMessage = new HttpRequestMessage(HttpMethod.Get, "https://www.clinigengroup.com/direct/umbraco/api/productsearch/NameSearch?countryCode=en-gb");
requestMessage.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/xml"));
var response = await client.SendAsync(requestMessage);
var xml = await response.Content.ReadAsStringAsync();
XmlDocument testDocumentTwo = new XmlDocument();
testDocumentTwo.LoadXml(xml);
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