//WCF service: string servicePath = System.Web.Hosting.HostingEnvironment.MapPath("~"); //F:\WorkSpace\EHR\src\vs2010\EHR\EHR\bin\Debug\            string strBaseDirectory = System.AppDomain.CurrentDomain.BaseDirectory;            //F:\WorkSpace\EHR\src\vs2010\EHR\EHR\bin\Debug\EHR.vshost.exe            string strMainModule = System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName;            //F:\WorkSpace\EHR\src\vs2010\EHR\EHR\bin\Debug            string strCurrentDirectory = System.Environment.CurrentDirectory;            //F:\WorkSpace\EHR\src\vs2010\EHR\EHR\bin\Debug            string strGetCurrentDirectory = System.IO.Directory.GetCurrentDirectory();            //F:\WorkSpace\EHR\src\vs2010\EHR\EHR\bin\Debug\            string strApplicationBase = System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase;            //F:\WorkSpace\EHR\src\vs2010\EHR\EHR\bin\Debug            string strStartupPath=System.Windows.Forms.Application.StartupPath;            //F:\WorkSpace\EHR\src\vs2010\EHR\EHR\bin\Debug\EHR.EXE            string strExecutablePath = System.Windows.Forms.Application.ExecutablePath;