启动*.exe程序

　　 System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
    startInfo.Arguments = String.Format("{0}  {1}  {2}", columnStr, tempFilePath, "True");
    startInfo.FileName = this.applicationPath + "\\Excel.exe";
    startInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Normal;
    System.Diagnostics.Process process = new System.Diagnostics.Process();
    process.StartInfo = startInfo;
　　 process.Start()；
　　 process.WaitForExit();
    process.Close();