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javascript - 无法使用asp.net Web服务将Ajax标头值传递给我的Web服务方法(Not able to pass ajax headers value to my web-service method using asp.net web service)

Below is my ajax call method to the web service, I need to pass auth_key to my web service from ajax Headers, but now I am passing my auth_key using ajax data.(以下是我对Web服务的Ajax调用方法,我需要将auth_key从ajax标头传递到我的Web服务,但是现在我正在使用ajax数据传递auth_key。)

But I need to pass from Headers.(但是我需要通过标题。) $.ajax({ type: "GET", url: base_url + "ongoingtrainingdetails", data: {'Username':window.localStorage.getItem('auth_key')}, //'7EF1590A-29A3-4DD5-885A-5C773480AF91'}, timeout: 60000, dataType: "json", headers: { "X-Api-Key": localStorage.getItem("auth_key") }, Complete: function(xhr) { xhr.getResponseHeader("Accept", "json"); }, success: function(res) { console.log(res); if (res.status === 7) { var html = "<div class='col-xs-12 main-area'> <div class='no-traing-block'> <p clas" + "s='no-traing-block-icon'> <img src='images/no-training-icon.png'><br>" + " No ongoing training available </p> </div></div>"; $("#home_page_content").html(html); SpinnerPlugin.activityStop(); }else if (res.status === 0) { console.log(res); var a = CryptoJS.AES.encrypt(JSON.stringify(res), localStorage.getItem("auth_key"), 256); localStorage.setItem("res", a); var d = CryptoJS.AES.decrypt(localStorage.getItem("res"), localStorage.getItem("auth_key")).toString(CryptoJS.enc.Utf8); var res = JSON.parse(d); //var res = d; console.log(res); console.log(res.data.dStartdate); var iTrainingId = res.data.iTrainingId; // localStorage.setItem("dStartdate", res.data.dStartdate); // localStorage.setItem("dEnddate", res.data.dEnddate); console.log(res.data.eTrainingMode); if (res.status === 0) { insertDB(res); var html = ""; // if (true) { if (res.data.eTrainingMode == "Pending") { html += "<div class='col-xs-12 main-area' > <div class='index-data'> <div clas" + "s='index-data-row'> <h1><img src='images/current-training-icon.png'>Cu" + "rrent Training</h1> <p><img src='images/programname-icon.png'>Enrollme" + "nt ID</p> <h2 id='program_name_homepage'>" + res.data.vUniqueCode + "</h2> <p><img src='images/programname-icon.png'>Program Name</p> " + " <h2 id='program_name_homepage'>" + res.data.vTrainingName + "</h2> <p><img src='images/krc-name-icon.png'>KRC Name</p> <h" + "3 id='program_address_homepage'>" + res.data.KRC_name + "</h3> <p><img src='images/map-1.png'>Location</p> <h3 id='pr" + "ogram_address_homepage'>" + res.data.vDistrict + "," + res.data.vState + "</h3> <p><img src='images/date-icon.png'>From Date</p> <h4 i" + "d='program_start_homepage'>" + getFormattedDate(res.data.dStartdate) + "</h4> <p><img src='images/date-icon.png'>To Date</p> <h4 id=" + "'program_end_homepage'>" + getFormattedDate(res.data.dEnddate) + "</h4> </div> <p class='trainer-font'><img src='images/master-train" + "er-icon.png'>Master Trainer</p> <div class='trainer-row' id='master_train" + "er'><img src='images/profile-img.png'>" + res.data.vName + "<span id='start_training_home' data-training='" + res.data.iTrainingId + "'>START</span></div> <div id='otherTrainers'></div> </div></div>"; $("#home_page_content").html(html); SpinnerPlugin.activityStop(); SpinnerPlugin.activityStop(); } else if (res.data.eTrainingMode == "Online") { SpinnerPlugin.activityStop(); getCurrentRunningBatch(); } else if (res.data.eTrainingMode == "Offline") { SpinnerPlugin.activityStop(); getCurrentRunningBatch(); } } else { debugger; alert("reached 4"); var html = "<div class='col-xs-12 main-area'> <div class='no-traing-block'> <p clas" + "s='no-traing-block-icon'> <img src='images/no-training-icon.png'><br>" + " No ongoing training available </p> </div></div>"; $("#home_page_content").html(html); SpinnerPlugin.activityStop(); //navigator.notification.alert(res.message); console.log(res.message); } } else { SpinnerPlugin.activityStop(); //navigator.notification.alert(res.message); } }, error: function(xhr, status, err) { console.log(xhr +"hi"); console.log(status + "helo"); console.log(err+"error is"); ErrorHandler(xhr, status, err) } }); Below is my asp.net web service(以下是我的asp.net Web服务) [WebMethod(EnableSession = false)] [ScriptMethod(UseHttpGet = true, ResponseFormat = ResponseFormat.Json)]//Specify return format. public void ongoingtrainingdetails(string UserName) { //Context.Response.Write(UserName); List<Response> listbatch = new List<Response>(); using (SqlConnection con = new SqlConnection(strConn)) { SqlCommand cmd = new SqlCommand("App_Service", con); try { cmd.CommandType = CommandType.StoredProcedure; cmd.Parameters.AddWithValue("@Paravalue", "2"); cmd.Parameters.AddWithValue("@value", UserName); cmd.Parameters.AddWithValue("@value1", ""); cmd.Parameters.AddWithValue("@value2", "0"); cmd.Parameters.AddWithValue("@value3", "0"); con.Open(); SqlDataReader rdr = cmd.ExecuteReader(); while (rdr.Read()) { Response res = new Response(); res.status = 0; res.message = "Welcome To u"; // res.auth_key = rdr["auth_key"].ToString(); Data batch = new Data(); { batch.vUniqueCode = rdr["vUniqueCode"].ToString(); batch.vTrainingName = rdr["BatchTitle"].ToString(); batch.dStartdate = rdr["BatchStarDate"].ToString( ); batch.dEnddate = rdr["BatchEndDate"].ToString(); batch.vDistrict = rdr["CityName"].ToString(); batch.vState = rdr["StateName"].ToString(); batch.Address = rdr["Address"].ToString(); batch.TrainerId = int.Parse(rdr["TrainerId"].ToString()); batch.eTrainingMode =rdr["eTrainingMode"].ToString(); batch.vName = rdr["vName"].ToString(); batch.iTrainingId = int.Parse(rdr["vUniqueCode"].ToString()); res.data = batch; }; listbatch.Add(res); } this.Context.Response.ContentType = "application/json; charset=utf-8"; //string JSONResult = JsonConvert.SerializeObject(listbatch); JavaScriptSerializer js = new JavaScriptSerializer() { MaxJsonLength = 867530900 }; string JSONResult = js.Serialize(listbatch); string FinalJsonstring1 = JSONResult.Replace("[", ""); string FinalJsonstring2 = FinalJsonstring1.Replace("]", ""); Context.Response.Write(FinalJsonstring2); //string aukey=HttpContext.Current.Request.Headers.Get("auth_key"); cmd.Dispose(); con.Close(); con.Dispose(); } catch (Exception ex) { ExceptionLogging.SendErrorToText(ex); status = ex.GetHashCode().ToString(); message = ex.Message.ToString(); throw new SoapException(ex.Message, SoapException.ServerFaultCode, Context.Request.Url.AbsoluteUri); } finally { cmd.Dispose(); con.Close(); con.Dispose(); } } //JavaScriptSerializer js = new JavaScriptSerializer() { MaxJsonLength = 867530900 }; //Context.Response.Write(js.Serialize(listbatch)); } I need to pass auth_key to my webservice from ajax Headers, but now i am passing my auth_key using ajax data.(我需要将auth_key从ajax标头传递到我的Web服务,但是现在我正在使用ajax数据传递auth_key。) But i need to pass from Headers.(但是我需要通过标题。) Thanks in advance(提前致谢)   ask by mohd mazhar khan translate from so

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Use the Request object and Headers to read the request header, followed by this you can convert it into an IEnumerable object to obtain the value according to the key:(使用Request对象和Headers读取请求标头,然后可以将其转换为IEnumerable对象以根据键获取值:)

C# Code:(C#代码:) [WebMethod(EnableSession = false)] [ScriptMethod(UseHttpGet = true, ResponseFormat = ResponseFormat.Json)] public void ongoingtrainingdetails(string UserName) { SqlCommand cmd = new SqlCommand("App_Service", con); try { var request = HttpContext.Current.Request; IEnumerable<string> headers = request.Headers.GetValues("X-Api-Key"); var value = headers.FirstOrDefault(); // Code } catch (Exception ex) { //Code } finally { //Code } } 在此处输入图片说明

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