How To ExcecuteCommandSyncronisation in ASPNET

Question

In CheckSerial() function there is one key in res result how to work that code 

 

public static string CheckSerial()

{

string res = ExecuteCommandSync("vol");

const string search = "Number is";

int startI = res.IndexOf(search, StringComparison.InvariantCultureIgnoreCase);

string currentDiskID = "";

if (startI > 0)

{

currentDiskID = res.Substring(startI + search.Length).Trim();

}

return currentDiskID;

}

public static string ExecuteCommandSync(object command)

{

try

{

System.Diagnostics.ProcessStartInfo procStartInfo =

new System.Diagnostics.ProcessStartInfo("cmd", "/c " + command);

procStartInfo.RedirectStandardOutput = true;

procStartInfo.UseShellExecute = false;

procStartInfo.CreateNoWindow = true;

System.Diagnostics.Process proc = new System.Diagnostics.Process();

proc.StartInfo = procStartInfo;

proc.Start();

string result = proc.StandardOutput.ReadToEnd();

return result;

}

catch (Exception)

{

return null;

}

}