ASP.NET中调用API函数执行EXE文件

public class CallAPIPage: System.Web.UI.Page
 {
  #region For API
  //dwLogonFlags Specifies the logon option
  const int LOGON_WITH_PROFILE = 1;
  const int LOGON_NETCREDENTIALS_ONLY  =  2;

  //dwCreationFlags - Specifies how the process is created
  const int CREATE_SUSPENDED = 0x00000004;
  const int CREATE_NEW_CONSOLE = 0x00000010;
  const int CREATE_NEW_PROCESS_GROUP = 0x00000200;
  const int CREATE_SEPARATE_WOW_VDM = 0x00000800;
  const int CREATE_UNICODE_ENVIRONMENT  = 0x00000400;
  const int CREATE_DEFAULT_ERROR_MODE   =  0x04000000;

  //dwCreationFlags parameter controls the new process's priority class
  const int NORMAL_PRIORITY_CLASS  =   0x00000020;
  const int IDLE_PRIORITY_CLASS =   0x00000040;
  const int HIGH_PRIORITY_CLASS =   0x00000080;
  const int REALTIME_PRIORITY_CLASS   =         0x00000100;
  const int BELOW_NORMAL_PRIORITY_CLASS =  0x00004000;
  const int ABOVE_NORMAL_PRIORITY_CLASS =  0x00008000;
  //dwFlags
  // This is a bit field that determines whether certain STARTUPINFO
  // members are used when the process creates a window.
  // Any combination of the following values can be specified:
  const int STARTF_USESHOWWINDOW =   0x0000000;
  const int STARTF_USESIZE   =       0x00000002;
  const int STARTF_USEPOSITION  =    0x00000004;
  const int STARTF_USECOUNTCHARS  =   0x00000008;
  const int STARTF_USEFILLATTRIBUTE = 0x00000010;
  const int STARTF_FORCEONFEEDBACK =  0x00000040;
  const int STARTF_FORCEOFFFEEDBACK = 0x00000080;
  const int STARTF_USESTDHANDLES =   0x00000100;
  protected System.Web.UI.WebControls.Label Label3;
  protected System.Web.UI.WebControls.TextBox curVersion;
  protected System.Web.UI.WebControls.TextBox lastVersion;
  protected System.Web.UI.WebControls.Label lbl;
  protected System.Web.UI.WebControls.PlaceHolder placeHolder1;
  const int STARTF_USEHOTKEY  =      0x00000200;

  [DllImport("advapi32.dll", CharSet=CharSet.Auto, SetLastError=true)]
  internal static extern bool CreateProcessWithLogonW(String lpszUsername, 
       String lpszDomain, String lpszPassword,int dwLogonFlags, 
        string applicationName, StringBuilder commandLine,int creationFlags,
        IntPtr environment, string currentDirectory,
       ref STARTUPINFO sui,
       out PROCESS_INFORMATION  processInfo);

  [DllImport("advapi32.dll", CharSet=CharSet.Auto, SetLastError=true)]
  public static extern bool LogonUser(String lpszUsername, String lpszDomain, 
   String lpszPassword, int dwLogonType, int dwLogonProvider, out int phToken);

  [StructLayout(LayoutKind.Sequential)]
   internal struct STARTUPINFO
  {
   internal int   cb;
   [MarshalAs(UnmanagedType.LPTStr)]
   internal string  lpReserved;
   [MarshalAs(UnmanagedType.LPTStr)]
   internal string  lpDesktop;
   [MarshalAs(UnmanagedType.LPTStr)]
   internal string  lpTitle;
   internal int   dwX;
   internal int   dwY;
   internal int   dwXSize;
   internal int   dwYSize;
   internal int   dwXCountChars;
   internal int   dwYCountChars;
   internal int   dwFillAttribute;
   internal int   dwFlags;
   internal short    wShowWindow;
   internal short    cbReserved2;
   internal IntPtr  lpReserved2;
   internal IntPtr  hStdInput;
   internal IntPtr  hStdOutput;
   internal IntPtr  hStdError;
  }

  [DllImport("kernel32")]
  public static extern int GetLastError();

  [StructLayout(LayoutKind.Sequential)]
   internal struct PROCESS_INFORMATION
  {
   internal IntPtr hProcess;
   internal IntPtr hThread;
   internal int dwProcessId;
   internal int dwThreadId;
  }
  #endregion For API

  protected System.Web.UI.WebControls.ImageButton Button1;

 private void Button1_Click(object sender,System.Web.UI.ImageClickEventArgs e)
  {    
   string cmd = System.Configuration.ConfigurationSettings.AppSettings["cmdLine"];
   string logonName = "Administrator";
   string domain = System.Environment.MachineName;
   string password = System.Configuration.ConfigurationSettings.AppSettings["adminpwd"];
   
   // command to execute
   StringBuilder sb = new StringBuilder();
   sb.Append(cmd);

   PROCESS_INFORMATION processInfo;
   STARTUPINFO startInfo = new STARTUPINFO();
   startInfo.cb = Marshal.SizeOf(startInfo);
   startInfo.lpTitle = "Command Execute Console";
   startInfo.dwFlags = STARTF_USECOUNTCHARS;
   startInfo.dwYCountChars  = cmd.Length;

   try
   {
    // create process similar as "runas" using the logon users profile
    bool retcode = CreateProcessWithLogonW(
     logonName,
     domain,
     password,
     LOGON_WITH_PROFILE,
     null,
     sb,
     NORMAL_PRIORITY_CLASS | CREATE_UNICODE_ENVIRONMENT,
     IntPtr.Zero,
     null,
     ref startInfo,
     out processInfo);
    
    if(!retcode)
    {
     Debug.WriteLine("Marshal.GetLastWin32Error().ToString(): "
                        + Marshal.GetLastWin32Error().ToString());
    }
    else
    {
     Debug.WriteLine("sucessful" );//+processInfo.dwProcessId.ToString();
    }
   }
   catch(Exception exception)
   {
    Debug.WriteLine("CreateProcessWithLogonW: " + exception.Message);
   }    
  }