How to Validate on Date in c#

Question

Hello friends, Do you have any idea how to validate my software for 15 days without using Database.. i want to give software for demo perpuse... if any idea then please suggest me.... thanks i Advance

Kunal Vaishya · Answer

Dear try this Logic first time when you start software store date in registry . whenever you start check it find difference current date and registry date greater than 15 give them registration message

Kunal Vaishya · Answer

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(); } }

Sam Hobbs · Answer

I do not know what "validate my software" means. Also, you say "without using Database". For what? Do you mean you want to show how your program works using some data but you do not want the data to be read from a database or written to a database?

Kunal Vaishya · Answer

Dear try this http://www.c-sharpcorner.com/UploadFile/sushmita_kumari/RegistryKeys102082006061720AM/RegistryKeys1.aspx still any confusion then let me know

Naeem Khan · Answer

k.. but i did not work with registry if its possible then please give me code...

How to Validate on Date in c#

Answers (5)