Restful WCF service POST methods returns HTTP400 error in fiddler2

Question

have created simple Restful service for log in verification. Following are my interface and class definitions.

Interface IDemo:

public interface IDemo
{
    [OperationContract]
    [WebInvoke(RequestFormat = WebMessageFormat.Json,
               ResponseFormat = WebMessageFormat.Json,
               BodyStyle = WebMessageBodyStyle.Bare,
               UriTemplate = "/ValidateUser?Username={UserName}&Password={Password}",
               Method = "POST")]
    string  ValidateUser(string Username, string Password);
}

Class Demo :

public class Demo:IDemo
{
    public string ValidateUser(string Username, string Password)
    {
        Users objUser = new Users();
        objUser.UserID = Username;
        objUser.Password = Password;
        string Msg = LoginDataService.ValidateUser(Username, Password);
        return Msg;
    }
}

localhost:49922/Demo.svc/ValidateUser?Username=demo&Password=demo (with http:\)

When I try to parse the above URL under the Post Method in Fiddler2 I got Bad Request HTTP400 error.

Can anyone help me what is wrong in my code.

Thanks & Regards,

Vijay

Answer 1

Your URI template looks like you are sending the parameters in the URL. But when you use POST the parameters are sent in the http body.

Note you should not send the username and passord in the url as it can be logged.