Get Files from a Directory Using LINQ

string FolderPath = @"D:\AllFiles";
DirectoryInfo di = new DirectoryInfo(FolderPath)

//Get All csv Files
List getAllCSVFiles = di.GetFiles("*.csv")
                  .Where(file => file.Name.EndsWith(".csv"))
                  .Select(file => file.Name).ToList();

 

//Get All Notepad Files
List getAllCSVFiles = di.GetFiles("*.txt")
                  .Where(file => file.Name.EndsWith(".txt"))
                  .Select(file => file.Name).ToList();
 

Just pass your file extension and enjoy…