Using Date and Time

Question

How do I calculate 365 days from the last application is started?

If I use the system. User may change it back and forth

1. What software will not work for a lock

Software should be calculated after 365 days in office have all been closed and a message will be new offices and again How do I calculate 365 days have passed and the new offices should be created?

Answer 1

Dear this is For 15 days you can change as per your requirment




Please try thic Procedure put this om main for load event
its also restrict of date change itvery use full

let me know


  private DateTime RegDate;
  private DateTime todayDate;
  private void CheckLicenceAgreement()
  {
  try
  {
  //If Not Exist The Add Date Firet Time
  if (Convert.ToString(Application.UserAppDataRegistry.GetValue("RegDate")) == "")
  {
  RegDate = DateTime.Now;
  RegDate  = RegDate.AddDays(15);

  Application.UserAppDataRegistry.SetValue("RegDate", RegDate.ToString("yyyyMMdd"));
  Application.UserAppDataRegistry.SetValue("ApplicationStart", "1");
  }
  else
  {
  //Check It

  Int32 Regdt;
  Int32 todt;
  Regdt = Convert.ToInt32(Application.UserAppDataRegistry.GetValue("RegDate"));
  todt = Convert.ToInt32(System.DateTime.Now.ToString("yyyyMMdd"));

  if ((todt > Regdt) || (Convert.ToString(Application.UserAppDataRegistry.GetValue("ApplicationStart")))=="0")
  {
  Application.UserAppDataRegistry.SetValue("ApplicationStart", "0");
  Application.Exit(); 
  }
  }
  }
  catch (Exception ex)
  {
  Application.Exit(); 
  } 
  }