Client Side Events In HTML Page with .NET VB Class
Hi Im new to .NET so please excuse me.
Ive been scratching my head for a week now trying to convert some code from VB6 to .NET
I have currently this code in HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<title>Default</title>
<META content="VBScript" name="vs_defaultClientScript">
<META content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
<META content="Microsoft Visual Studio.NET 7.0" name="GENERATOR">
<META content="VisualStudio.HTML" name="ProgId">
<META content="Microsoft Visual Studio.NET 7.0" name="Originator">
<SCRIPT language="vbscript" id="clientEventHandlersVBS">
<!--
Sub Button1_onclick
Usercontrol11.TestMe
End Sub
-->
</SCRIPT>
</HEAD>
<BODY MS_POSITIONING="GridLayout">
<INPUT language="javascript" id="Button1" style="Z-INDEX: 101; LEFT: 207px; WIDTH: 77px; POSITION: absolute; TOP: 68px; HEIGHT: 59px" type="button" value="Button" name="Button1">
<OBJECT id="Usercontrol11" style="Z-INDEX: 102; LEFT: 112px; WIDTH: 35px; POSITION: absolute; TOP: 89px; HEIGHT: 25px" classid="clsid:818F91A3-047D-4EF0-A85A-551B18248B97" VIEWASTEXT>
<PARAM NAME="_ExtentX" VALUE="926">
<PARAM NAME="_ExtentY" VALUE="661">
</OBJECT>
<SCRIPT language="vbscript">
<!--
Sub Usercontrol11_StatusMe(strText)
msgbox "Hello World Event Fired !!"
End Sub
-->
</SCRIPT>
</BODY>
</HTML>
I current have an activeX control written in VB6 as follows:
Public Event StatusMe(strText As String)
Public Sub TestMe()
RaiseEvent StatusMe("Mike")
End Sub
This works and when I press button1 in IE the event triggers. The problem is I want to convert the ActiveX control to a VB.NET Class or usercontrol.. My HTML is as follows:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<title>Default</title>
<META content="VBScript" name="vs_defaultClientScript">
<META content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
<META content="Microsoft Visual Studio.NET 7.0" name="GENERATOR">
<META content="VisualStudio.HTML" name="ProgId">
<META content="Microsoft Visual Studio.NET 7.0" name="Originator">
<SCRIPT language="vbscript" id="clientEventHandlersVBS">
<!--
Sub Button1_onclick
UserClass1.TestMe
End Sub
-->
</SCRIPT>
</HEAD>
<BODY MS_POSITIONING="GridLayout">
<INPUT language="javascript" id="Button1" style="Z-INDEX: 101; LEFT: 207px; WIDTH: 77px; POSITION: absolute; TOP: 68px; HEIGHT: 59px" type="button" value="Button" name="Button1">
<OBJECT id="UserClass1" style="Z-INDEX: 102; LEFT: 112px; WIDTH: 35px; POSITION: absolute; TOP: 89px; HEIGHT: 25px" classid="http:CTest.dll#CTest.cTestClass" VIEWASTEXT>
<PARAM NAME="_ExtentX" VALUE="926">
<PARAM NAME="_ExtentY" VALUE="661">
</OBJECT>
<SCRIPT language="vbscript">
<!--
Sub UserClass1_StatusMe(strText)
msgbox "Hello World Event Fired !!"
End Sub
-->
</SCRIPT>
</BODY>
</HTML>
My VB.NET Class is as follows: (CTest.dll)
Public Class cTestClass
Public Event StatusMe(strText As String)
Public Sub TestMe()
RaiseEvent StatusMe("Mike")
End Sub
End Class
The event will not fire when I now press the button on the HTML page. Any ideas what I am missing to get events to fire on the client side as all the propertys and methods of the class work just it will not fire any events.
Thanks in advance
Mikee.
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mikeeball
6/9/2004 7:59:34 PM
asp.net.client-side
24353 articles. 
1 followers.
9 Replies
990 Views
why do you want to convert the client-side control to .NET exactly?
I mean, it relies on the framework being installed on every client machine, which is not the case with the current VB6 control, right?
RTFM - straight talk for web developers. Unmoderated, uncensored, occasionally unreadable
Jason Brown - MVP, IIS
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Atrax
6/10/2004 5:34:15 AM
Hi,
Q.why do you want to convert the client-side control to .NET exactly?
A. Because all development here is moving over to .NET and I have been given the task of conversion of code.
Q.I mean, it relies on the framework being installed on every client machine, which is not the case with the current VB6 control, right?
A. This is not an issue as its an internet system and all client have the framework installed.
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mikeeball
6/10/2004 8:52:57 AM
Just curious:
Why do you need this to be an ActiveX control? You probably can get around that with new .NET features...you can just use the server-side code to generate standard HTML controls...and use javascript to perform client side operations.
Let me know,
-Jeff
-Jeff Evans
Programmer Analyst
Triton Management Group, Inc.
http://www.tritonmanagementgroup.com
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dotnetsp2
6/10/2004 4:18:31 PM
Jeff,
The client side class will talk to Tills on a bar and the tills use TCPIP linked on the client side private network.
The class will be the comms interface to collect information from the tills on the client side.
Regards
Mikee.
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mikeeball
6/10/2004 7:36:08 PM
Mikee,
I'm not following what Tills is. But it sounds like your trying to have client-side info sent to a server-side process or something of the sort. Standard html controls can accomplish this by implementing asp.net webservices. There's basically a seamless communication between server and client.
Is this what you're trying to accomplish?
-Jeff Evans
Programmer Analyst
Triton Management Group, Inc.
http://www.tritonmanagementgroup.com
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dotnetsp2
6/11/2004 4:03:31 AM
Jeff,
Sounds like what I need.
Tills are cash registers (we call them tills in the UK)
Each cash register is an FTP server on a local network say with IP adresses 10.0.0.1 for cash register 1 and 10.0.0.2 for cash register 2 on the client side.
What I need is to communicate to each cash register with an FTP connection on client side to collect a file of data and then send this to a ASPX page to do some processing and add entries into a SQLserver database on the server side.
Can I do this with a webservice ?
Regards
Mikee
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mikeeball
6/11/2004 7:12:42 AM
Hello,
a sample program that illustrates the extensibility of the WebRequest class to implement an FTP pluggable protocol is described in the following article:
FTP Access with WebRequest...
BTW: A nice FTP component can you find here: FTP component written with fully managed code
Maybe these links are helpful for you.
Karsten
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kbrocksi_SEC
6/11/2004 2:10:43 PM
Yo mikee (sounds kinda New York'ish doesn't it),
You have an interesting case, I would probably just recommend using the WebRequest class to read the file on the server side and allow the user to update that information via standard asp.net controls, then append the file on the server side, and write it back out. I don't know how you would do all of this will ftp://, but I'm sure kbrocksi's article suggestion will shed some light on that issue.
So how's that UK weather nowadays? I just saw Tony Blair at the Reagan funeral: not that it applies, or even matters.
-Jeff Evans
Programmer Analyst
Triton Management Group, Inc.
http://www.tritonmanagementgroup.com
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dotnetsp2
6/11/2004 6:55:29 PM
Hi Mikee,
at the end of the thread the recomondation was to use a webservice. But in my case it's not possible, so had you found the reasen why your event isn't fire, now?
regards
Andreas
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itadle
8/19/2004 11:48:02 AM
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