System.Diagnostics.Process p = new System.Diagnostics.Process();
System.Diagnostics.ProcessStartInfo psi = new System.Diagnostics.ProcessStartInfo();
psi.FileName = "notepad.exe";//程序
psi.Arguments = "1.txt";//参数
p.StartInfo = psi;
p.Start();

------解决方案--------------------

C# code
Process proc = new Process();
proc.StartInfo.FileName = "exe全路径";
proc.StartInfo.Arguments = "fls全路径";
proc.Start();