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I am trying to check that If email already exist in databse or not or not in database but my code throws error

This is the error I am getting in my console;
GET http://localhost:1089/api/Employee/EmailAlreadyExist?%22some#abc.com%22 404 (Not Found)
This my ajax code where I am sending the user email while creating a new user, and I want this method to let me know if the email already exist in database or not;
function CheckAvailability() {
var email = $("#officialemail").val();
$.ajax({
type: "GET",
url: 'http://localhost:1089/api/Employee/EmailAlreadyExist',
dataType: 'json',
contentType: "application/json",
data: JSON.stringify(email),
success: function (response) {
var message = $("#message");
if (response) {
//Email available.
message.css("color", "green");
message.html("Email is available");
}
else {
//Email not available.
message.css("color", "red");
message.html("Email is NOT available");
}
}
});
}
function ClearMessage() {
$("#message").html("");
};
and I am passing this entire function in another fucntion in which I am passing the email parameter in attempt of creating a new user along with all of the other parameters with their values;
$('.empOfficialDetails').click(function (ev) {
ev.preventDefault();
CheckAvailability()
var data = new Object();
data.UserName = $('#username').val();
data.UPassword = $('#userpass').val();
data.OfficialEmailAddress = $('#officialemail').val();
data.Departments = $('#departments :selected').text();
data.Designation = $('#designation :selected').text();
data.RoleID = $('#role').val();
data.Role = $('#role :selected').text();
data.ReportToID = $('#reportToID').val();
data.ReportTo = $('#reportTo :selected').text();
data.JoiningDate = $('#joindate').val();
data.IsAdmin = $('#isAdmin :selected').val() ? 1 : 0;
data.IsActive = $('#isActive :selected').val() ? 1 : 0;
data.IsPermanent = $('#isPermanent :selected').val() ? 1 : 0;
data.DateofPermanancy = $('#permanantdate').val();
data.HiredbyReference = $('#hiredbyRef :selected').val() ? 1 : 0;
data.HiredbyReferenceName = $('#refePersonName').val();
data.BasicSalary = $('#basicSalary').val();
data.CurrentPicURL = $('.picture').val();
if (data.UserName && data.UPassword && data.OfficialEmailAddress && data.Departments && data.Designation && data.Role && data.IsAdmin && data.IsPermanent) {
$.ajax({
url: 'http://localhost:1089/api/Employee/EmpOfficialDetails',
type: "POST",
dataType: 'json',
contentType: "application/json",
data: JSON.stringify(data),
beforeSend: function () {
$("#dvRoomsLoader").show();
},
complete: function () {
$("#dvRoomsLoader").hide();
},
success: function (data) {
var ID = parseInt(data);
if (ID > 0) {
//var id = data;
$(".HiddenID").val(data);
//var id = $(".HiddenID").val();
$('#official').css('display', 'block');
$('#official').html("Employees Official details added successfully...!");
$('#official').fadeOut(25000);
$("#dvRoomsLoader").show();
$('.empOfficialDetails').html("Update <i class='fa fa-angle-right rotate-icon'></i>");
}
else {
$('#official').find("alert alert-success").addClass("alert alert-danger").remove("alert alert-success");
}
},
error: function (ex) {
alert("There was an error while submitting employee data");
alert('Error' + ex.responseXML);
alert('Error' + ex.responseText);
alert('Error' + ex.responseJSON);
alert('Error' + ex.readyState);
alert('Error' + ex.statusText);
}
});
}
return false;
});
and in my controller I am using an inline query to check for similar email in my database;
[Route("api/Employee/EmailALreadyExist")]
[HttpGet]
public bool EmailAlreadyExist(string email)
{
string retval;
var con = DB.getDatabaseConnection();
Employee emp = new Employee();
string query = "IF EXISTS (SELECT 1 FROM Employee WHERE OfficialEmailAddress = #OfficialEmailAddress)";
SqlCommand com = new SqlCommand(query, con);
com.Parameters.AddWithValue("#OfficialEmailAddress", email);
email = emp.OfficialEmailAddress;
SqlDataReader rdr = com.ExecuteReader();
if (rdr.HasRows)
{
retval = "true";
}
else
{
retval = "false";
}
return Convert.ToBoolean(retval);
}
all of the help I get is highly appreciated and sugesttions for making this code better are all warmly welcomed
thank you

I can see that there is a typo in the route. The L in EmailALreadyExist is capitalized. But you are calling it with a lowercase letter.
Also, I am seeing a missing semicolon in the Ajax code, check that out too.

Your code uses a GET method that can't have a body. So it had to append an URL parameter to it. In ASP.NET it should be named. But your method has not named parameters. So it is not found. Add the parameter name to your payload (name "email"). to your JSON - replace in your JS function CheckAvailability data: JSON.stringify(email), with data: JSON.stringify({email: email}),. Then jQuery should call for api/Employee/EmailALreadyExist?email=.... that will match public bool EmailAlreadyExist(string email).
It is better to use a POST method to hide the email in the request body. Then your original code could have a C# smaller update:
public bool EmailAlreadyExist([FromBody]string email). It will map the single parameter from the body to the C# email variable.
There is a point to separate your logic from the controller. "Thin controller" could validate parameters, a service will contain your "business logic".

From your url
http://localhost:1089/api/Employee/EmailAlreadyExist?%22some#abc.com%22
it looks like you aren't passing email parameter correctly.
You can pass it like
http://localhost:1089/api/Employee/EmailAlreadyExist?email=some#abc.com
or change your route a bit to support your url
[Route("api/Employee/EmailAlreadyExist/{email}")]

Error in $Ajax ASP.NET web method call [async]

I am working over async web method (asmx file) and I need to call this method throughout an ajax jquery method however I am facing a lot of issues because the method uses also Entity Framework to run some other things.
Here is JavaScript:
function SubmitStripeForm() {
// event.preventDefault();
stripe.createToken(card).then(function (result) {
if (result.error) {
// Inform the user if there was an error.
var errorElement = document.getElementById('card-errors');
errorElement.textContent = result.error.message;
} else {
// Send the token to your server.
// stripeTokenHandler(result.token);
console.log();
var myToken = result.token.id;
$.ajax({
type: "POST",
url: "http://localhost:54355/Account/API/Stripe.asmx/MyStripePayment",
crossDomain: true,
async: false,
data: '{Tok: "' + myToken + '" }',
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function (response) {
if (response.d) {
console.log("Good");
}
else {
console.log("Bad");
}
},
failure: function (response) {
console.log("HORRIBLE");
}
});
}
});
Here is the web method in asp.net c#:
[WebMethod(EnableSession = true)]
public async void MyStripePayment(string Tok)
{
string MyToken = Tok;
using (var context = new CompanyEntities())
{
var collection = (from p in context.COMPANY where p.Id == Company_Id select p);
foreach (var item in collection)
{
// Validation of the object
BillingManagement.Michael Maik = new BillingManagement.Michael();
Maik.name = "Michael";
Maik.id = "114060502";
Maik.number = "83290910";
#region Send Information To Stripe
CancellationToken Token = new CancellationToken();
string Url = "http://localhost:5000/testing/give-your-data";
using (var client = new HttpClient())
using (var request = new HttpRequestMessage(HttpMethod.Post, Url))
{
var json = JsonConvert.SerializeObject(Maik);
using (var stringContent = new StringContent(json, Encoding.UTF8, "application/json"))
{
request.Content = stringContent;
using (var response = await client
.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, Token)
.ConfigureAwait(false))
{
response.EnsureSuccessStatusCode();
string resString = await response.Content.ReadAsStringAsync();
JObject jObject = JObject.Parse(resString);
string message = (string)jObject["message"];
}
}
}
#endregion
}
}
and this is the error displayed:
POST http://localhost:54355/Account/API/Stripe.asmx/MyStripePayment 500 (Internal Server Error)

have you tried using Try/Catch to get more information about the error? obviously it is something internal, better used it like that and try again to see what error it is.
try
{
// Code
}
catch (Exception ex)
{
console.writeLine(ex);
}
OR
You put an intervention in the catch to be able to see in local variables the values ​​of the "Ex" or save the error somewhere to read it later.

Unknown web method Delete_Local_ABC. Parameter name: methodName in ASP.NET app

I have been getting this error on my following code, which basically initiates the POST request as
ABC.ascx
var ABCid = $(aTag).data('id');
$.ajax({
type: "POST",
url: "WebMethods.aspx/Delete_Local_ABC",
data: "{'id':'" + ABCid + "'}",
contentType: "application/json; charset=utf-8",
dataType: "json",
success: successdelete_ABC,
error: Errordelete_ABC
});
}
WebMethods.aspx.cs
[WebMethod]
public static int Delete_Local_ABC(string id)
{
ABC objABC = new ABC();
objABC.ABC_ID = Convert.ToInt32(id);
// call business manager
try
{
BusinessManager businessManager = new BusinessManager();
businessManager.ManageABC(objABC, OperationTypes.Validate);
return 1;
}
catch (Exception ex)
{
throw ex;
}
}
and I am calling following method in BusinessManager.cs
....
case OperationTypes.Validate:
obj.deleteLocalABC();
break;
...
and ABC.cs
public bool deleteLocalABC()
{
string query = "DELETE FROM TBL_ABC WHERE ABC_ID ='" + this.ABC_ID + "'";
_dbManager.executeQuery(query);
return true;
}
I have tried all the solutions available online but nothing is working. This code works perfectly with Visual Studio but not on main deployment.

Use
[WebMethod, ScriptMethod(ResponseFormat = ResponseFormat.Json, UseHttpGet = false)]
instead of just [WebMethod].
I hope your method work fine after that addition.

Calling C# method from javascript in MVC4

i'm trying to call a c# method from javascript but nothing works. What this have to do is that i call the javascript after user press enter, then i call the method in c#, the API try to find the city, then i show the temperature of the city that he typed. But i tried a lot of thing, but nothing worked.
the code:
My JavaScript:
function enterpressalert(e, textarea) {
var code = (e.keyCode ? e.keyCode : e.which);
if (code == 13) { //Enter keycode
var tb = $('#search-bar').val();
$.ajax({
url: '#Url.Action("getWeather", "IndexController")',
type: 'GET',
dataType: 'text',
// we set cache: false because GET requests are often cached by browsers
// IE is particularly aggressive in that respect
cache: false,
data: { city: tb },
success: function () {
$('#search-bar').val() = 'funcionou';
}
});
}
}
My c# method that i'm trying to call:
[WebMethod]
public LocalWeather getWeather(string city)
{
LocalWeatherInput input = new LocalWeatherInput();
input.query = city;
input.num_of_days = "5";
input.format = "JSON";
FreeAPI api = new FreeAPI();
LocalWeather localWeather = api.GetLocalWeather(input);
return localWeather;
}
thanks.

Place a break point in getWeather() function and try this:
[HttpGet]
public LocalWeather getWeather(string city)
{
LocalWeatherInput input = new LocalWeatherInput();
input.query = city;
input.num_of_days = "5";
input.format = "JSON";
FreeAPI api = new FreeAPI();
LocalWeather localWeather = api.GetLocalWeather(input);
return localWeather;
}
and also check whether your are using url routing in global.asax

How to log JSON requests of web services

I have a web method, which is called from jquery's ajax method, like this:
$.ajax({
type: "POST",
url: "MyWebService.aspx/DoSomething",
data: '{"myClass": ' + JSON.stringify(myClass) + '}',
contentType: "application/json; charset=utf-8",
dataType: "json",
async: false,
success: function (result) {
alert("success");
},
error: function () {
alert("error");
}
});
And this is my web method:
[WebMethod(EnableSession = true)]
public static object DoSomething(MyClass myClass)
{
HttpContext.Current.Request.InputStream.Position = 0;
using (var reader = new StreamReader(HttpContext.Current.Request.InputStream))
{
Logger.Log(reader.ReadToEnd());
}
}
If myClass in javascript is serialized to correct format, then DoSomething methods executes and saves the raw json to database.
But if myClass is in wrong then the method doesn't execute at all and I can't log the problematic json...
What is the best way to always somehow get and log the raw json, that my web method receives, even if the serialization fails?

With the help of some other answers on stackoverflow I came to this:
public class RequestLogModule : IHttpModule
{
private HttpApplication _application;
public void Dispose()
{
}
public void Init(HttpApplication context)
{
_application = context;
_application.BeginRequest += ContextBeginRequest;
}
private void ContextBeginRequest(object sender, EventArgs e)
{
var request = _application.Request;
var bytes = new byte[request.InputStream.Length];
request.InputStream.Read(bytes, 0, bytes.Length);
request.InputStream.Position = 0;
string content = Encoding.UTF8.GetString(bytes);
Logger.LogRequest(
request.UrlReferrer == null ? "" : request.UrlReferrer.AbsoluteUri,
request.Url.AbsoluteUri,
request.UserAgent,
request.UserHostAddress,
request.UserHostName,
request.UserLanguages == null ? "" : request.UserLanguages.Aggregate((a, b) => a + "," + b),
request.ContentType,
request.HttpMethod,
content
);
}
}
And in the web.config:
<httpModules>
<add name="MyRequestLogModule" type="MyNamespace.RequestLogModule, MyAssembly"/>
</httpModules>

You always can do that in the server side .
when you sent the request to "MyWebService.aspx/DoSomething" which call web service you can log the result (success/error) into log file .