How to delete files from a specific folder using datetime constraint (C# code)

To delete files from a specific folder you can use following code snippet written in c#.

foreach (FileInfo fileInformation in new DirectoryInfo(@”I:/TrialTesting/”).GetFiles())
{
  File.Delete(fileInformation.FullName);                        
}

However, you can delete files comparing “Date Modeified ” attribute . Have a look at the following code snippet. This will delete all files from folder except last five day’s files.

try
{
 DateTime systemDate = DateTime.Now;
 int DefaultDay = 5;
 foreach (FileInfo fileInformation in new DirectoryInfo(@”I:/TrialTesting/”).GetFiles())
 {
   TimeSpan difference;
   difference = systemDate - fileInformation.LastWriteTime;
   //Delete Files from Folder
   if (difference.Days >= DefaultDay)
   {
     File.Delete(fileInformation.FullName);
   }
 }                   
}
catch (Exception ex)
{
 MessageBox.Show(ex.Message.ToString());
}

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