Save data in a temp file if no internet

Question

Hi. i am working with small windows form application C# that save changes on an online database. But i want if user in offline mode/no internet to save data in a temp file then automatically synchronous with the online database and save changes.

Sushil Gupta · Answer

You can save the file temp. with below code. if (!File.Exists(@C:\File.txt)) System.IO.File.WriteAllText(@C:\File.txt); else File.AppendAllText(@C:\File.txt); Later once connection is back you can copy that file back to server.