How to send parameter in REST api in xamarin.forms ?

ShahabuddinVansiwala

How to send parameter in REST api in xamarin.forms ?

I have created REST API Project in xamarin using PCL.

When I call Simple REST api using Below code in Xamarin.forms (Portable Class Library) then I have Successfully receive json Response.

using (var cl = new HttpClient())
{
    var result = await cl.GetStringAsync("http://192.168.1.100/apps/jara/web/api/user/test");
    jsonResponseClass des = JsonConvert.DeserializeObject<jsonResponseClass>(result);
    lbl1.Text = des.code + " " + des.status + " " + des.message;
}

public class jsonResponseClass
{
    public string code { get; set; }
    public string status { get; set; }
    public string message { get; set; }
}

Using above code I got a response

{
code: 200,
status: "ok",
message: "hello"
}

REST API response type is JSON and type is POST

Now, I want to call below Login Api using paramater.

http://192.168.1.100/apps/jara/web/api/user/login

Paramater : email_id and Password

this api success response type is....

{
code: 200,
status: "Success",
User: {
userid: 126,
token: "d154s4d54s654df5s4df56s4df564s5df4",
email: "[email protected]",
mobile_number: "9898989898"
},

message: "Successfully logged in"
}

What can i do ?

ShahabuddinVansiwala

Finally i can do this using below code....

using (var cl = new HttpClient())
{
    var formcontent = new FormUrlEncodedContent(new[]
    {
            new KeyValuePair<string,string>("email_id","[email protected]"),
            new KeyValuePair<string, string>("password","shah")
        });


    var request = await cl.PostAsync("http://192.168.1.100/apps/jara/web/api/user/login", formcontent);

    request.EnsureSuccessStatusCode();

    var response = await request.Content.ReadAsStringAsync();

    jsonResponselogin res = JsonConvert.DeserializeObject<jsonResponselogin>(response);

    lbl1.Text = res.code + " " + res.status + " " + res.message;

}

This code helpful for Calling REST API with Parameter

Thank you...

AMD21

Thanks, it's working for me.

AmayindiLynn

@Shahabuddin Vansiwala please can I get the full project, am having issues with mine

Umar3x

@AmayindiLynn

What issue have you got ?

To pass parameter in a simple manner (IMO) I just use a simple DTO with fields I want to send as parameter, serialize it and done.
Don't forget the JsonProperties. Exemple with a login DTO.

   public class ClassicLoginDto
    {
        [JsonProperty("username")]
        public string username { get; set; }
        [JsonProperty("password")]
        public string password { get; set; }
    }

AmayindiLynn

@Umar3x An error occurred while sending the request ---> System.Net.WebException: Error: ConnectFailure (Connection timed out) ---> System.Net.Sockets.SocketException: Connection timed out
at System.Net.Sockets.Socket.Connect (System.Net.EndPoint remoteEP) [0x000b6] in :0
at System.Net.WebConnection.Connect (System.Net.HttpWebRequest request) [0x0016d] in :0

AmayindiLynn

@Umar3x
1. An error occurred while sending the request ---> System.Net.WebException: Error: ConnectFailure (Connection timed out) ---> System.Net.Sockets.SocketException: Connection timed out
2. at System.Net.Sockets.Socket.Connect (System.Net.EndPoint remoteEP) [0x000b6] in :0
3. at System.Net.WebConnection.Connect (System.Net.HttpWebRequest request) [0x0016d] in :0

AmayindiLynn

@Umar3x I am receiving a:
ERROR An error occurred while sending the request
System.Net.Http.HttpRequestException: An error occurred while sending the request ---> System.Net.WebException: Error: ConnectFailure (Connection timed out) ---> System.Net.Sockets.SocketException: Connection timed out
at System.Net.Sockets.Socket.Connect (System.Net.EndPoint remoteEP) [0x000b6] in :0
at System.Net.WebConnection.Connect (System.Net.HttpWebRequest request) [0x0016d] in :0

AmayindiLynn

@Umar3x I am receiving a:
ERROR An error occurred while sending the request
System.Net.Http.HttpRequestException: An error occurred while sending the request ---> System.Net.WebException: Error: ConnectFailure (Connection timed out) ---> System.Net.Sockets.SocketException: Connection timed out
at System.Net.Sockets.Socket.Connect (System.Net.EndPoint remoteEP) [0x000b6] in :0
at System.Net.WebConnection.Connect (System.Net.HttpWebRequest request) [0x0016d] in :0

AmayindiLynn

@Umar3x I am receiving a:
ERROR An error occurred while sending the request
System.Net.Http.HttpRequestException: An error occurred while sending the request ---> System.Net.WebException: Error: ConnectFailure (Connection timed out) ---> System.Net.Sockets.SocketException: Connection timed out
at System.Net.Sockets.Socket.Connect (System.Net.EndPoint remoteEP) [0x000b6] in :0
at System.Net.WebConnection.Connect (System.Net.HttpWebRequest request) [0x0016d] in :0

AmayindiLynn

@Umar3x
ERROR An error occurred while sending the request
System.Net.Http.HttpRequestException: An error occurred while sending the request ---> System.Net.WebException: Error: ConnectFailure (Connection timed out) ---> System.Net.Sockets.SocketException: Connection timed out
at System.Net.Sockets.Socket.Connect (System.Net.EndPoint remoteEP) [0x000b6] in :0
at System.Net.WebConnection.Connect (System.Net.HttpWebRequest request) [0x0016d] in :0

esaavedra89

@ShahabuddinVansiwala said:
Finally i can do this using below code....

using (var cl = new HttpClient())
{
    var formcontent = new FormUrlEncodedContent(new[]
    {
            new KeyValuePair<string,string>("email_id","[email protected]"),
            new KeyValuePair<string, string>("password","shah")
        });


    var request = await cl.PostAsync("http://192.168.1.100/apps/jara/web/api/user/login", formcontent);

    request.EnsureSuccessStatusCode();

    var response = await request.Content.ReadAsStringAsync();

    jsonResponselogin res = JsonConvert.DeserializeObject<jsonResponselogin>(response);

    lbl1.Text = res.code + " " + res.status + " " + res.message;

}

This code helpful for Calling REST API with Parameter

Thank you...

Very helpful!

VipinKrishna

@ShahabuddinVansiwala

@ShahabuddinVansiwala said:
Finally i can do this using below code....

using (var cl = new HttpClient())
{
    var formcontent = new FormUrlEncodedContent(new[]
    {
            new KeyValuePair<string,string>("email_id","[email protected]"),
            new KeyValuePair<string, string>("password","shah")
        });


    var request = await cl.PostAsync("http://192.168.1.100/apps/jara/web/api/user/login", formcontent);

    request.EnsureSuccessStatusCode();

    var response = await request.Content.ReadAsStringAsync();

    jsonResponselogin res = JsonConvert.DeserializeObject<jsonResponselogin>(response);

    lbl1.Text = res.code + " " + res.status + " " + res.message;

}

This code helpful for Calling REST API with Parameter

Thank you...

i was looking for this code since yesterday...working great...thank you so much...