There is StringContent class in System.Net.Http namespace. What purposes should I use class StringContent for?
asked Oct 20, 2013 at 15:26
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1You can read the methods.– gdoronCommented Oct 20, 2013 at 15:30
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3Do not care about it. If you come across another type in the System.Net.Http namespace which uses the StringContent type, then you will also know what its purpose is....– user2819245Commented Oct 20, 2013 at 15:34
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see also Can't find how to use HttpContent– Michael FreidgeimCommented Jul 21, 2016 at 6:19
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4 Answers
StringContent class creates a formatted text appropriate for the http server/client communication. After a client request, a server will respond with a HttpResponseMessageand that response will need a content, that can be created with the StringContent class.
Example:
string csv = "content here";
var response = new HttpResponseMessage();
response.Content = new StringContent(csv, Encoding.UTF8, "text/csv");
response.Content.Headers.Add("Content-Disposition",
"attachment;
filename=yourname.csv");
return response;
In this example, the server will respond with the content present on the csv variable.
It provides HTTP content based on a string.
Example:
Adding the content on HTTPResponseMessage Object
response.Content = new StringContent("Place response text here");
answered Oct 20, 2013 at 15:28
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3@SivaCharan what is its purpose? When would one use this? Commented Aug 20, 2014 at 20:50
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I guess StringContent does not support escape characters like \r\n. I am passing those characters in my string, but for some reason it fails @SivaCharan– aMazingCommented Oct 1, 2014 at 20:58
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1@simone, not sure if this would have helped you in 2015 but it finally produced the content for me -- note the addition of "await" was of critical importance for me: Console.WriteLine("Content is: " + await CustomerProfileJsonContent.ReadAsStringAsync());– Zeek2Commented Apr 29 at 13:34
Whenever I want to send an object to web api server I use StringContent to add format to HTTP content, for example to add Customer object as json to server:
public void AddCustomer(Customer customer)
{
String apiUrl = "Web api Address";
HttpClient _client= new HttpClient();
string JsonCustomer = JsonConvert.SerializeObject(customer);
StringContent content = new StringContent(JsonCustomer, Encoding.UTF8, "application/json");
var response = _client.PostAsync(apiUrl, content).Result;
}
answered Jul 14, 2019 at 15:48
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It is best practice to not create a new HttpClient for every request :)– NoraCommented Mar 22, 2023 at 13:02
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Every response that is basically text encoded can be represented as StringContent.
Html reponse is text too (with proper content type set):
response.Content = new StringContent("<html><head>...</head><body>....</body></html>")
On the other side, if you download/upload file, that is binary content, so it cannot be represented by string.
