how to Show progress Bar In Display While Executing Method in c# -

in application want show progress bar in display while user click on specific button,

i implemented below code

 private bool  importdata()     {         bool result = false;         //thread othread = new thread(new threadstart(frmwaitshow));         try         {             thread backgroundthread = new thread(             new threadstart(() =>             {             //othread.start();                  (int n = 0; n < 100; n++)                 {                     thread.sleep(50);                     progressbar1.begininvoke(new action(() => progressbar1.value = n));                 }              }               ));             backgroundthread.start();             // progress bar should start here             intdevid = int.parse(cmbdevicename.selectedvalue.tostring());             fetchdevicedata(intdevid);  // fetch remove device info sql database             //ftptcompletedbatchtransfer();             fetchmaxreportid();             getftpfile(strdeviceip, strdeviceusername, strdevicepwd, strdevicepath + "//runningbatch//runningbatch.db", "runningbatch.db"); // copy runningbatch.db debug folder remote              loadrunningdata(); // running data in dataset running.db             decodebatchdata_r(); // save in batch master , row data table             getftpfile(strdeviceip, strdeviceusername, strdevicepwd, strdevicepath + "//completedbatch//completedbatch.db", "completedbatch.db");             loadcompleteddata();             decodebatchdata();             result = true;             // progress bar should stop  here         }         catch (exception ex)         {             clslogs.logerror("error: " + ex.message + this.name + " || importdata");             result = false;           }         //othread.abort();         return result;      } 

but not showing properly.. takes time start progress bar,, start before end of these function , close within 2 secound

you can use backgroundworker, has support progress indication.

http://msdn.microsoft.com/en-us/library/system.componentmodel.backgroundworker(v=vs.110).aspx