deserializing json in asp.net web api

Question

I'm trying to send data from android application to asp.net web api, I have two values to send login and password, i put them in NameValuePair List and sent them. Here is my code :

DefaultHttpClient client = new DefaultHttpClient();
List<NameValuePair> nameValuePair = new ArrayList<NameValuePair>();
nameValuePair.add(new BasicNameValuePair("login", getLogin()));
nameValuePair.add(new BasicNameValuePair("password", getPassword()));
HttpPost httpPost = new HttpPost(url);
StringEntity stringEntity = new StringEntity(new GsonBuilder().create().toJson(nameValuePair));
httpPost.setEntity(stringEntity);
httpPost.setHeader("Accept", "application/json");
httpPost.setHeader("Content-type", "application/json");
httpPost.setHeader("Accept-Encoding", "gzip");
HttpResponse httpResponse = client.execute(httpPost);

How can i deserialize the json in the web api project ? Here is the function where I would like to deserialize the Json :

[AcceptVerbs("POST")]
public string login([FromBody] object data)
{
//Here I want to get the login and password values from the json.
}

Taiseer Joudeh · Accepted Answer · 2015-04-08 17:40:49Z

2

Why you are making this complex? You can create simple POCO class in your WebApi as the below:

public class LoginModel 
    {
        public string Email { get; set; }
        public string Password { get; set; }

    }

and in your method you do the following:

[AcceptVerbs("POST")]
public string login(LoginModel loginModel)
{
//loginModel.Email and loginModel.Password
}

and in your request you can send JSON string as the below:

{
  "email" : "[email protected]",
  "password": "11111"
}

And leave the heavy lifting and de-serilization for WebAPI. You can do this with dictionary for sure, but using Models is better if your project grows by time

answered Apr 8, 2015 at 17:40

Taiseer Joudeh

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4 Comments

youssef1700 Over a year ago

As i think i have to create LoginModel in the android project also ?

Taiseer Joudeh Over a year ago

No you do not, you can send it as JSON string, try doing this first using postman.

Artiom Over a year ago

@TaiseerJoudehthank you for mentioning postman, didn't know about this tool). Now my life will be much easier

youssef1700 Over a year ago

@TaiseerJoudeh How can I send it as Json from my android project ? It didn't worked when I send it in a list of NameValuePair. can you edit your answer to show me how should i do in android side ?

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