C# Local Drive path After publishing Application not find local system

Question

Hi

 

gpfPdfPath i given in web.config <add key="gpfPdfPath" value="D:\GpfData\" />  i place GpfData folder in my local system D Drive 

after pulishing  while uploading local system path not find issue any one please help i use this code in application but local syem folde path is not find issue

         string dDrivePath = ConfigurationManager.AppSettings["gpfPdfPath"];
                        //string dDrivePath = @"D:\\GpfData\\";
                        string directoryPath= dDrivePath+ ddlcatgory.SelectedValue;