Call Web API Url

How to call web API URL in login form   in desktop application  in c# plzz tell me its urgent
Sharrif HussainSoftware quality AssuranceAsked:
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Dorababu MSenior Software EngineerCommented:
You can use some thing like this

public async Task<TokenResponse> ValidateUser(Login login)
            TokenResponse tr = new TokenResponse();
            using (var client = new HttpClient())
                client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
                JObject payLoad = new JObject(new JProperty("username", login.UserName), new JProperty("password", login.Password));
                var httpContent = new StringContent(payLoad.ToString(), Encoding.UTF8, "application/json");
                using (HttpResponseMessage response = await client.PostAsync("your url", httpContent))
                    string responseBody = await response.Content.ReadAsStringAsync();
                    tr = JsonConvert.DeserializeObject<TokenResponse>(responseBody);
                return tr;

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