C# 结束Execl进程

System.Diagnostics.Process[] process = System.Diagnostics.Process.GetProcessesByName("Excel");
            foreach (System.Diagnostics.Process p in process)
            {
                if (!string.IsNullOrEmpty(p.ProcessName))
                {
                    try
                    {
                        p.Kill();
                    }
                    catch { }
                }
            }