<add key ="sourcepath" value="D:\Temp\Test" />
              <add key ="destPath" value="D:\Default\Test\Sample"/>

              // strFileName is the FileName to be Moved to destination Folder
           
           private  void FileMove(string strFileName)
{
         
             //Retriving sourcepath and Destination path from Config file
  
           string strSourcePath = ConfigurationManager.AppSettings["sourcepath"];
          string strdestPath = ConfigurationManager.AppSettings["destPath"];
          

          if (!Directory.Exists(strdestPath )) // Checks for existness of destination directory
                    Directory.CreateDirectory(strdestPath);  // if doesn't exists it creates dest'n directory
 
          string   strSourceFileName = strSourcePath+strFileName  
           string   strDestFileName = strdestPath + strFileName ;  
               
                File.Move(strSourceFileName, strDestFileName);  // Moves the file to Destination folder
                 
          Label1.Text = "File Moved Successfully";

}