How to Read file using stream reader in global.asax

Question

Code in global.asax.->

StreamReader reader = new StreamReader(HttpContext.Current.Server.MapPath("~/AutoMailSend.htm"));

above line shows the error-> Object reference not set to an instance of an object.

Thanks in advanced

Anupam Singh · Answer

Did you try Server.MapPath instead of HttpContext.Current.Server.MapPath.

Harshal Thakre · Answer

file exist at particular location : 1.below code is working in any aspx.cs file 2.but it's not working in global.asax. if (File.Exists(HttpContext.Current.Server.MapPath(~/AutoMailSend.htm))) { }

Anupam Singh · Answer

Your code looks fine. But there might be problem while accessing file : Replace your ScheduledTask() method with static void ScheduledTask() { //Task code which is executed periodical if (File.Exists( ~/AutoMailSend.htm ) // check file exists { StreamReader reader = new StreamReader(HttpContext.Current.Server.MapPath(~/AutoMailSend.htm)); string readFile = reader.ReadToEnd(); string myString = ; myString = readFile; // //iwant store data in mystring } }

Harshal Thakre · Answer

void Application_Start(object sender EventArgs e) { // Code that runs on application startup ThreadStart tsTask = new ThreadStart(TaskLoop); Thread MyTask = new Thread(tsTask); MyTask.Start(); } static void TaskLoop() { // In this example task will repeat in infinite loop // You can additional parameter if you want to have an option // to stop the task from some page while (true) { string date=System.DateTime.Now.ToShortTimeString(); // if(date) // Execute scheduled task if (date == 13:07) { ScheduledTask(); // Wait for certain time interval System.Threading.Thread.Sleep(TimeSpan.FromHours(23.59)); } } } static void ScheduledTask() { //Task code which is executed periodical StreamReader reader = new StreamReader(HttpContext.Current.Server.MapPath(~/AutoMailSend.htm)); string readFile = reader.ReadToEnd(); string myString = ; myString = readFile; // //iwant store data in mystring } void Application_End(object sender EventArgs e) { // Code that runs on application shutdown } void Application_Error(object sender EventArgs e) { // Code that runs when an unhandled error occurs } void Session_Start(object sender EventArgs e) { // Code that runs when a new session is started } void Session_End(object sender EventArgs e) { // Code that runs when a session ends. // Note: The Session_End event is raised only when the sessionstate mode // is set to InProc in the Web.config file. If session mode is set to StateServer // or SQLServer the event is not raised. }

Anupam Singh · Answer

share you complete code ( global.asax ).