call dll on client side - C# Discussion Boards

Liya Kebede15-Jul-09 21:16

15-Jul-09 21:16

Hello Everyone,

I wrote an application which send and receive data from a pinpad(device with RS-232 which use serial port) and i start testing the application, when i finised testing the application on my computer, I upload it to the server machine to do another test but when I run the application from client computers it does not recognize the pin pad, but when I run the application from my computer it works properly. My question is that is there any way I can access the pin pad remotely?

Thanks

Re: Accessing Serial Port Remotely

Garth J Lancaster16-Jul-09 0:38

Garth J Lancaster

16-Jul-09 0:38

Liya Kebede wrote:
is there any way I can access the pin pad remotely?

I dont think so : I think you need to implement a tcp/ip network layer to sit between the serial port and the network and send it commands from your application.

We do this with eftpos devices - they are sent instructions from a centralised gateway via tcp/ip, and the client on the pc interfaces to the com port (via an activex control supplied by the eftpos company) .. (ok, so there's an activex control there, but it doesnt really matter that much)

There are commercial companies out there that offer pre-made toolkits to do this - just a quick search gives :-

http://www.serial-port-communication.com/serial-over-tcpip/[^]

http://www.fabulatech.com/network-serial-port-kit.html[^]

oh .. a thought comes to mind, maybe citrix can do it, but thats a different paradigm

'g'

Re: Accessing Serial Port Remotely

monstale16-Jul-09 0:52

monstale

16-Jul-09 0:52

Hi,

when you start the application on your computer, it doesn't matter where the exe-file is located, the code runs on your computer with it's local hardware!
When you need to communicate with a remote serial port, you need to run on the remote computer an application, e.g. windows service, and communication with that application (e.g. Sockets)

Kind regards

Re: Accessing Serial Port Remotely

Liya Kebede16-Jul-09 2:07

Liya Kebede

16-Jul-09 2:07

Hi,

Does it help if i use socket programming?

Thanks Again

Re: Accessing Serial Port Remotely

monstale16-Jul-09 2:36

monstale

16-Jul-09 2:36

Hi,

I don't think so. A normal com port is not reachable from remote without any local program.
But you can write a simple program which sends every received byte to com port. backwards might be a bit difficultier, because you should use DataReceived event from com port on server. but what is life without any chalenge? Smile | :)

good luck, bye

Re: Accessing Serial Port Remotely

Liya Kebede2-Nov-09 0:47

Liya Kebede

2-Nov-09 0:47

Hi guys,

I was able to access the serial port remotely but when i change the serial port to usb it does not working. Is there any way i can access the pinpad using usb ports or is there a library which work like serial port in C#.

Thanks Again

Liya

Re: Accessing Serial Port Remotely

Member 1247082419-Apr-16 5:03

Member 12470824

19-Apr-16 5:03

You may solve the issue you described with the additional software. If you need access serial port here is instructions Access Serial Port over Network: Serial to Ethernet Connector - Remote COM port over Internet[^], but to access remote USB port you will need this USB Redirector - redirect USB devices over Network - USB redirection[^]

call dll on client side

Member 435374515-Jul-09 21:15

Member 4353745

15-Jul-09 21:15

Hello all,
I have a dll from a card reader...
I encapsulate this dll into a ASP.NET Class Library...
and compile it into my own CardReaderWriter.DLL.
this Class library has methods..
the card reader will be connected in client computer..
Since it's on client side, i can not use ASP .NET to call and use the Class Library
Do I need to Copy this dll to client machine and register it .
How do i create an object of this on client side to access the methods ...
i tried using javascript new ActiveXObject() method but its giving me a runtime error "The system cannot find the file specified"
i even tried the object tag but gives me the error that object doesnot support this property
Note:- i have already compiled and registered the Dll on client machine to be safe but still not able to do it.
plz guide me to the right direction.
if possible plz provide sample codes and links to articles.
thanx in advance

mukeshmkg

Own Report Printer - How to print out Source Code (syntax highlighting)

akamper15-Jul-09 21:09

akamper

15-Jul-09 21:09

Hello

I have a question concerning printing out source code (in my case VBScript Source) with highlighted syntax, line numbering etc.

I'm actually working on a printer routine.
It should be possible to print out a "VBScript Code Snippet".

How is it possible to print out that code a syntax highlighted way?

Is there already a .NET standard method to do this?
Or do I have to parse every command to color it?

Thanks in advance for any advices

use dataset with case statement

Mamphekgo Bahula15-Jul-09 20:54

Mamphekgo Bahula

15-Jul-09 20:54

Hi i populate dataset with data from uif table and one of the colum is marriage status which is integer so i want to you case statement where for example if marriage_status is 1 then it has to display single on detailsview.

here is my code

int MarriageStatus = (int)dataset.Tables["uif"].Rows[0]["marriage_stat"];
string status = Convert.ToString(MarriageStatus);
switch(MarriageStatus){
case 0:
status="Single";
break;
case 1:
status="Single";
break;
case 2:
status = "married";
break;
case 3:
status="Widowed";
break;
case 4:
status="Divorced";
break;
}

Mamphekgo

Re: use dataset with case statement

Mycroft Holmes15-Jul-09 21:02

Mycroft Holmes

15-Jul-09 21:02

And you problem is?

You could have

Case 0:<br />
Case 1:<br />
   status = "Single"<br />
   break;<br />
case 2:

Never underestimate the power of human stupidity
RAH

How to use public int?!!?!!? windows form.

dimo198215-Jul-09 20:39

dimo1982

15-Jul-09 20:39

Hello All

I`m very new to the programming so this might be easy question to all of you, i`m hoping someone can help me out.

So i`m trying to write very easy program in windows form but i have encountered the problem.

lets say that i have an event on the button1 (CLICK) which should pick up a random number and hold it in the memory unless i click it again to change it. My problem is that i cannot figure out how to use this variable which has been set up in the first place with another event button2(Click) which will use this variable and do other task with using int previously declared. Short example:

public void Random_Click(object sender, EventArgs e)
{
Random myRandom = new Random();
int myNumber = myRandom.Next(1,10);
}
public void Button2_Click(object sender, EventArgs e)
{
MessageBox(myNumber.ToString());
}

This will not work and i cannot find the way to get it right

plese help !!!

Re: How to use public int?!!?!!? windows form.

ichiganboya15-Jul-09 20:44

ichiganboya

15-Jul-09 20:44

one way is to declare a global variable try this:

public int myNumber;

public void Random_Click(object sender, EventArgs e)
{
Random myRandom = new Random();
myNumber = myRandom.Next(1,10);
}

public void Button2_Click(object sender, EventArgs e)
{
MessageBox(myNumber.ToString());
}

hope this helps

Re: How to use public int?!!?!!? windows form.

dimo198216-Jul-09 6:42

dimo1982

16-Jul-09 6:42

Hello still nothing cannot solve this problem, so what i tried is i tried declare variable as a (public int nameOfInteger) just before the method, in the begining oif the class and everywhere else. Still confused

thats my code

namespace ExerciseInt
{
    public partial class Form1 : Form
    {
      int newNumber;
        
        public Form1()
        {
            InitializeComponent();
           
        }

        public void button1_Click(object sender, EventArgs e)
        {
            Random myRandom = new Random
            myNumber = myRandom.Next(1,10);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            MessageBox.Show(myNumber.ToString());
        }
    }
}

so when i click button1 variable should be set up and when click button2 i would like to see this variable in the message box.

looking forward to hear from you.

Re: How to use public int?!!?!!? windows form.

Huxley Stronghead16-Jul-09 10:07

Huxley Stronghead

16-Jul-09 10:07

Are you using some IDE? It would be helpful if you could give some error reports and I think I could think of one. Now, that would be newNumber and myNumber. Are those supposed to be the same? I think so. Sniff | :^)

I came, saw, and then coded.

Re: How to use public int?!!?!!? windows form.

Mycroft Holmes15-Jul-09 21:06

Mycroft Holmes

15-Jul-09 21:06

Your problem is working out the SCOPE of your variable.
If you declare it in the method it dies when the method completes.
if you declare it provate in the form (I ususally put them just before the form_load method) then the variable will be available until you close the form.

		public clsLimitValue oValue { get; set; }<br />
		private BindingSource oBS = new BindingSource();<br />
<br />
		private void frmNewLimit_Load(object sender, EventArgs e)

Never underestimate the power of human stupidity
RAH

Re: How to use public int?!!?!!? windows form.

Luc Pattyn15-Jul-09 23:58

Luc Pattyn

15-Jul-09 23:58

Hi,

maybe this[^] will inspire you.

Smile | :)

Luc Pattyn [Forum Guidelines] [My Articles]

The quality and detail of your question reflects on the effectiveness of the help you are likely to get.
Show formatted code inside PRE tags, and give clear symptoms when describing a problem.

how can i develop a program in aspx format and use it in php site?!!

Nafiseh Salmani15-Jul-09 20:16

Nafiseh Salmani

15-Jul-09 20:16

how can i develop a program in aspx format and use it in php site?!!
i want to write a custom search box with C#, and use it in a php site!!

any help would be useful

Thanks

modified on Thursday, July 16, 2009 3:04 AM

Re: How could I generate a custom search with C#

Mycroft Holmes15-Jul-09 21:07

Mycroft Holmes

15-Jul-09 21:07

You might get a better response in the ASP forum.

Never underestimate the power of human stupidity
RAH

Re: How could I generate a custom search with C#

Nafiseh Salmani15-Jul-09 21:13

Nafiseh Salmani

15-Jul-09 21:13

Thanks.

C# 3D Button UserControl (How to increase performance)

ichiganboya15-Jul-09 20:10

ichiganboya

15-Jul-09 20:10

Hi I'm new to C# and graphics programming so I hope you can bear with me.
We developed an application for winxp(embedded) and we added usercontrol 3D buttons in it.
I used blending and linear gradient functions instead of displaying a bitmap file.
The performance was ok when run from our workstation but it was
poorly responding when tested on the actual unit, probably because of low video
acceleration, the previous system used LabView graphics and it was doing fine with
the same 3d look. There are screens that display about 20 buttons at once.
I tried enabling double buffering but it did not change anything. Please help.
My questions are:
1. Is there any other way to create 3d buttons?
2. Would creating Direct3d usercontrol for the buttons be faster?

Thanks for your time.

Re: C# 3D Button UserControl (How to increase performance)

ichiganboya15-Jul-09 23:17

ichiganboya

15-Jul-09 23:17

Just a follow-up question to my inquiry.
Has anyone tried creating custom 3d button user control
using Managed Direct3d?

Thanks.

Using F2 F3 In Web application

kKamel15-Jul-09 20:04

kKamel

15-Jul-09 20:04

Hey I am C# web application developer i want to make use of the hotkeys F2 F3, and these things. I know the values for each button but i do not know how to use them in the whole page. I know how to work with it using textbox event i get the event.keyCode and work through it. What I want is that the user could have his focus on any part of the web page once he enters F2 or these button an event would be executed. How this could be done???? Thanks

How to add a button in the standard buttons list of IE window?

svt gdwl15-Jul-09 19:09

svt gdwl

15-Jul-09 19:09

when we open IE, we will see the standard buttons like Back, Forward, Refresh, History, Mail etc., in the toolbar window, how can I add an extra button using c#?

Need help.

mjawadkhatri15-Jul-09 19:07

mjawadkhatri

15-Jul-09 19:07

I want to run this type of query in c# how i do please tell me.

select empid,sysdte from timemgmt,if the select returns 0 rows then insert row else don't insert.

Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.