Coping all files from one folder to another folder in Dot Net using C#.

using System.IO;

string sourcePath = @"C:\ABC";
string targetPath = @"C:\ABC_COPY";
if (!Directory.Exists(targetPath))
{
   Directory.CreateDirectory(targetPath);
}
foreach (var srcPath in Directory.GetFiles(sourcePath))
{
    //Copy the file from sourcepath and place into mentioned target path, 
    //Overwrite the file if same file is exist in target path
    File.Copy(srcPath,srcPath.Replace(sourcePath, targetPath),true);
}