Recursive method for Find all directory and inside the directory found all files

// Insert logic for processing found files here.
public static void ProcessFile(string path)
{
//Logic here in file
}

// Process all files in the directory passed in, recurse on any directories
// that are found, and process the files they contain.
public static void ProcessDirectory(string targetDirectory)
{
// Process the list of files found in the directory.
string[] fileEntries = Directory.GetFiles(targetDirectory);
foreach (string fileName in fileEntries){
ProcessFile(fileName);
}


// Recurse into subdirectories of this directory.
string[] subdirectoryEntries = Directory.GetDirectories(targetDirectory);
foreach (string subdirectory in subdirectoryEntries)
{
ProcessDirectory(subdirectory);

}
}

//call the Method

string FilePath = Request.PhysicalApplicationPath + "UploadFile";
if (Directory.Exists(FilePath))
{
ProcessDirectory(FilePath);

}