I have an c# code to execute the batch file. I want to show the information in the bat file in the command prompt. Here is my new edited c# code:
namespace CheckTime
{
class Program
{
static void Main(string[] args)
{
Program Obj = new Program();
int greetingId;
int hourNow = System.DateTime.Now.Hour;
if (hourNow < 12)
greetingId = 0;
else if (hourNow < 18)
greetingId = 1;
else
greetingId = 2;
System.Environment.ExitCode = greetingId;
Obj.StartBatchFile(greetingId);
}
void StartBatchFile(int Gretting)
{
var p = new Process();
p.StartInfo.FileName = "cmd.exe";
p.StartInfo.Arguments = string.Format(@"/C D:\Nimit Joshi\Visual Studio 2013\CheckTime\CheckTime\Demo1.bat {0}", Gretting);
p.OutputDataReceived += ConsumeData;
try
{
p.Start();
p.WaitForExit();
}
finally
{
p.OutputDataReceived -= ConsumeData;
}
}
private void ConsumeData(object sender, DataReceivedEventArgs e)
{
Console.WriteLine(e.Data);
}
}
}
Following is my Demo1.bat file:
@echo off
:: Use %1 to get the first command line parameter
goto Greeting%1%
:Greeting
echo You have no entered a greeting.
goto end
:Greeting0
echo Good Morning
goto end
:Greeting1
echo Good Afternoon
goto end
:Greeting2
echo Good Evening
goto end
:end
It is always showing You have no entered a greeting
Use the Process.OutputStream
or listen to the Process.OutputDataReceived
event.
Example:
private void ConsumeData(object sendingProcess,
DataReceivedEventArgs outLine)
{
if(!string.IsNullOrWhiteSpace(outLine.Data))
Console.WriteLine(outLine.Data);
}
p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.UseShellExecute = false;
p.StartInfo.CreateNoWindow = true;
p.OutputDataReceived += ConsumeData;
try
{
p.Start();
p.BeginOutputReadLine();
p.WaitForExit();
}
finally
{
p.OutputDataReceived -= ConsumeData;
}
The batch file should be rewritten to not cause an infinite loop.
@echo off
:: Use %1 to get the first command line parameter
goto Greeting%1%
:Greeting
echo You have no entered a greeting.
goto end
:Greeting0
echo Good Morning
goto end
:Greeting1
echo Good Afternoon
goto end
:Greeting2
echo Good Evening
goto end
:end
C#
void StartBatchFile(int arg)
{
var p = new Process();
p.StartInfo.FileName = "cmd.exe";
p.StartInfo.Arguments = string.Format(@"/C C:\temp\demo.bat {0}", arg);
p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.UseShellExecute = false;
p.StartInfo.CreateNoWindow = true;
p.OutputDataReceived += ConsumeData;
try
{
p.Start();
p.BeginOutputReadLine();
p.WaitForExit();
}
finally
{
p.OutputDataReceived -= ConsumeData;
}
}
You return
(ie exit your program) before you call anotherMethod()
.
And that's good, otherwise you'd have an infinite loop of the .exe
staring the .bat
.
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