all groups > vb.net > february 2004 > threads for wednesday february 11
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How to keep track of changes of an object???
Posted by Daniel Walzenbach at 2/11/2004 11:48:43 PM
Hi,
=20
I need to track all changes made to an object. Consider the following =
class:
=20
Public Class Dog
=20
Private _Name As System.String
Private _Weight As System.Byte
=20
Public Property Name() As System.String
Get
Return _Name... more >>
help! how to creat sqldataadapter?
Posted by sunny at 2/11/2004 11:42:53 PM
when I use creat the sqldataadapter (database is northwind),I enter:
SELECT OrderID, ProductID, UnitPrice, Quantity, Discount
FROM [Order Details]
WHERE (OrderID IN
(SELECT orderid
FROM orders
... more >>
Weird MDI problem - sample code attached - WindowsApplication1.zip (0/1)
Posted by Andrew K at 2/11/2004 11:36:48 PM
Hi,
This is a problem I noticed in one of my applications the other day
and can't figure out how to fix.
In the attached code I have 2 forms. The form named form1 is the MDI
container, form2 is an MDIChild. I show the child form with the
following code in the Form_Load event of the MDI cont... more >>
centering form in mdi window
Posted by Brian Henry at 2/11/2004 9:09:20 PM
is it possible to center a child form in a mdi window? i tried the
centerparent for the position enumerated value, but it didn't do anything..
any thoughts? thanks
... more >>
How to get the row index of a datagrid in window forms
Posted by web_poster03 NO[at]SPAM yahoo.com at 2/11/2004 8:48:43 PM
I can get the row indexes using the following codes. but problem is
that when I clicked the grid column header , it still printed out the
same indexes. So the dataview here reflects the row indexes in the
data source instead of the datagrid. What I want are the row indexes
in the datagrid. How c... more >>
Protecting my code....
Posted by Terry Williams at 2/11/2004 8:41:56 PM
Someone suggest a good solution to keep others from viewing my
html/javascript on my pages.
I work on producing Thin Client or Web applications with desktop app
behaviors. Last thing I want, is someone to view my html and javscript,
and using it.
*** Sent via Developersdex http://www... more >>
How can I draw on the desktop?
Posted by Don at 2/11/2004 7:04:30 PM
Is there any way I can get an object that allows me to draw to the Windows
desktop using managed code? I've managed to figure out how to do it with
unmanaged code using API functions, but I was just wondering if there was a
more "proper" way to do it in VB.NET
- Don
... more >>
How to attach a scroll bar to a picturebox
Posted by MJ at 2/11/2004 6:51:05 PM
as topic, anyone can provide some codes that enable a scroll bar to a picturebox when the picture expand?
... more >>
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Bad performance in wireless Network (802.11b)
Posted by Al at 2/11/2004 6:46:06 PM
Hi,
Although my application perform nicely in wired network, the performance in wireless network is very bad (I have tested in 802.11b). Would appreciate if anyone could suggest how I can improve the performance in the wireless network. Any one has tried running application in 802.11b vs 802.11g? ... more >>
How do I modify a record in a textfile in vb?
Posted by RBCC at 2/11/2004 6:40:09 PM
How do I modify a record in a textfile in vb? Do I need 2 files?
JOhn
---
Posted using Wimdows.net NntpNews Component - Posted from .NET's Largest Community Website: http://www.dotnetjunkies.com/newsgroups/... more >>
How to find if a text is in Time format
Posted by Tor Inge Rislaa at 2/11/2004 6:24:04 PM
I have a form with a textbox where the user can type a time in the format
hh:mm (e.g. 01:00)
How can I control that the .Text is a valid Short Time format
T.I.Rislaa
... more >>
Problem checking checkedlistbox
Posted by Trapulo at 2/11/2004 6:23:47 PM
I've some problem checking items in a checkedlistbox by code:
For jj As Int32 = 0 To cbTimeOptions.Items.Count - 1
' cut: logic to set maycheck variable
cbTimeOptions.SetItemChecked(jj, maycheck )
Next
I've verified, dubbubg code, that after this for..next, cbTimeOptions has
two item... more >>
VB code formatter
Posted by Nayan at 2/11/2004 5:38:24 PM
Anybody knows of some VB code(VB code tidy utility) ??
Thx,
Nayan
... more >>
Create an object at runtime
Posted by Dave Taylor at 2/11/2004 5:26:07 PM
I have a DataTable with three string columns, "Value", "Format" and "Type"
However, some of the rows contain numbers and dates in the Value field. So
I would like to be able to format the output based on the format specifier
in the Format field. The problem is, since the Value field is a stri... more >>
Stream DataSet into XMLDocument
Posted by Rob Panosh at 2/11/2004 4:00:17 PM
Hello,
I am trying to create a xmlDocument from as dataset. My code is listed
below. All seems to go well until
xmlDocument.Load(CType(ms, System.IO.Stream)) ... I keep getting the
following error "The Root Element is Missing" ... any help would be
appreciated.
Thanks,
Rob Panosh
Pub... more >>
Waiting in vb.net
Posted by Peter van der Veen at 2/11/2004 3:56:38 PM
Hi
What is the best to use.
I've a form with an animated gif and a function to carry out.
If i show the form and call the function the gif freezes.
So i start a new thread which carries out the function and the gif is
animating.
I use a loop to check if the function is ready (i set a v... more >>
Who owns a running process?
Posted by Scott Meddows at 2/11/2004 3:50:45 PM
Can you tell who owns a running process in .NET?
I can do the system.diagnostic.process object and see if an application of
the same name is running but I need to tell if the process is running by a
current user or by another user.
Anyone know how to do this?
Thanks
... more >>
Synchronous Events?
Posted by CJ Taylor at 2/11/2004 3:49:36 PM
I don't know how to do this persay, but maybe someone could give me a little
guidance.
I will start with an example, if you've ever heard of ComponentOne they have
a tool called DataObjects, this thing raises events many times, however, you
can modify data in the event args which is then passe... more >>
VS Unwire Bug
Posted by Juan Romero at 2/11/2004 3:39:46 PM
Hi guys,
This is probably old, but it is getting on my nerves.
When you cut and paste an object graphically while using the Visual Studio
Editor (say for example, a button), all the methods get disconnected or
unwired from their respective handlers (code). for the button for example,
if I h... more >>
display control
Posted by Reny J Joseph Thuthikattu at 2/11/2004 3:08:28 PM
Hi,
I am reading the data which is coming from the serail port using my
program.While displaying it i am facing some problem like whether to use
text box or some thing else.
I want to display the arrived string in the window as it come .I want to
move the previously arrived data which is there ... more >>
DataGrid
Posted by Tom McLaughlin at 2/11/2004 2:32:17 PM
I have a sequential file that contains data is there a way to
load this data into the DataGrid control?
I am using vb.net the standard version 2002.
... more >>
guid retrieval of assembly
Posted by Brian Henry at 2/11/2004 2:29:59 PM
Is there anyway to retrieve the GUID code of an assembly for use in the
application as a unique identifier? thanks!
... more >>
How to add My Documents to a TreeView
Posted by SamSpade at 2/11/2004 2:23:54 PM
I'm looking at using a TreeView control and can see how to fill in
MyComputer with directory and file names.
But I have no idea of how to include things like My Documents and My Network
Places
Anyone how to do that.
Thanks
... more >>
p/invoke and allocconsole
Posted by colmag at 2/11/2004 2:11:05 PM
I read in a previous post by Tom Shelton that you can call AllocConsole via p/invoke to allocate a console window to a form application.
I've searched for info on how to do this, but have drawn a blank. Can anybody help me to get this up and running?
FYI, I want input received via a form to... more >>
Uhmmm, problems with framework...
Posted by Sueffel at 2/11/2004 2:01:37 PM
Okay, I have Framwork v1.0 on my devel machine, VS.NET 2002. On my
workstations, I have Framework v1.1 (Redistributable) installed. Everything
runs fine on my test machine, and it does not run on the workstations. I'm
not sure, but the version on my devel machine is what VS.NET installs, and
... more >>
application
Posted by kerpal at 2/11/2004 1:53:23 PM
hi all,
How would I monitor my VB app. when running on Windows Server 2003 with
Network Load Balance Service (NLBS)? And if the program fails would it be
possible to shut down the NLBS hosts automatically?
Thanks for any pointers!
... more >>
Why I cannot new a Office object from .net?
Posted by anonymous NO[at]SPAM discussions.microsoft.com at 2/11/2004 1:28:53 PM
I installed Visual studia .net 2003, office 2003. When I
go to File|New|Project| I cannot find office projects
there.... more >>
Why doesn't the compiler complain about functions that don't return a result?
Posted by Andrew J. Marshall at 2/11/2004 1:26:18 PM
It was dumb in VB6 and it's still dumb today ... or am I the dumb one?
--
Andrew J. Marshall
MCP (Visual Basic)
Fairfax, VA
... more >>
Fill out Web Forms using vb.net
Posted by peter NO[at]SPAM mclinn.com at 2/11/2004 1:12:56 PM
I'm looking for some code examples that would show me the following:
I want to be able to write a vb.net program that goes to a url and
fills out a web form, then submits the form. Anyone do anything like
this yet?
I have a network monitoring product that is web based but I don't have
acce... more >>
encryption
Posted by Brian Henry at 2/11/2004 1:10:58 PM
is there any built in encryption in .NET that would let me easily encrypt a
string and decript it? thanks!
... more >>
How to rename sub main to function main
Posted by Rody Reulen at 2/11/2004 12:57:54 PM
I made an console application with Visual Basic .net. Visual Basic will
automatically create the sub procedure main for you. I try to convert the
main procedure to a function.
During the compilation I will get an error message:
No accessible 'Main' method with an appropriate signature wa... more >>
Property procedures vs. fields
Posted by Andrew J. Marshall at 2/11/2004 12:39:23 PM
If I have a class Fool with an attribute Bark implemented as a field
Public Class Fool
Public Bark As Boolean
End Class
and I want to "upgrade" it to be implemented as a property procedure
Public Class Fool
Protected MyBark As Boolean
Public Property ... more >>
Error scanning with WIA
Posted by Ben Coats at 2/11/2004 12:26:06 PM
Hey
I have a function in a class library that I'm using to help scan checks in using WIA scripting objects. Last night it worked fine on one computer, but here at my office computer I'm getting an exception thrown: "Exception from HRESULT: 0x80210007." Anyone know what could be causing this? Is... more >>
Cool Development Tool
Posted by Randy at 2/11/2004 11:41:07 AM
Hi Folks,
I've recently completed a new information management and help authoring tool; it's available as a free download on my web site.
I call it Foundation. It's written in VB.NET, and should be of interest to .NET developers who have a use for a documentation tool that can be tightly inte... more >>
How to export an array from VB .NET in VC++ .NET?
Posted by Dr. Zharkov at 2/11/2004 11:28:25 AM
We want to export myArrayVB (2000, 2) of VB .NET 2003 in myArrayVó [2000, 2]
of VC++ .NET 2003 on scheme "component - client". But there is an error.
For development of a component in VB .NET 2003 we make: File, New, Project,
Visual Basic Projects, Class Library, name of project: ComponentVB... more >>
.NET DLL's and VB6
Posted by Peter van der Veen at 2/11/2004 11:25:53 AM
Hi
I've a VB.NET DLL coupled to VB6. Everythings works ok except from the
events.
In the DLL i use the RaiseEvent keyword, but when i declare ths class
in VB6 wth 'withevents' i got an error.
Does anyone knows if this is/is not possible?
Peter... more >>
Internet Explorer Automation
Posted by ltt19 at 2/11/2004 11:11:08 AM
Hi,
I want to get the URL that the user typed in the address bar, I tryed with mshtml and with shdocvw, but I did not found anything that could help me..
If someones has any ideas it could be very helpful
Thanks in advance... more >>
MS Word and Printing
Posted by scorpion53061 at 2/11/2004 10:59:47 AM
I have my Word document being created in a seperate thread. THe applicaiton
is not visible.
The end user can choose to view the document upon completion or just have it
print.
Viewing is fine.
If htey choose to "just print it" it seems ot ignore this command:
oDoc.Application.Dialogs.I... more >>
Can I customize "Pretty Listing (reformatting) of code "
Posted by Andrew J. Marshall at 2/11/2004 10:22:28 AM
I like the automatic reformatting of code (except for the bugs), but I was
wondering if anyone knew of a way to customize the effects?
Andrew J. Marshall
MCP (Visual Basic)
Fairfax, VA
... more >>
Sharing common code
Posted by Jeffrey Bradshaw at 2/11/2004 9:33:49 AM
I have two apps (one is a service and one is a windows app) that share some
common classes. How can I make it so that I don't have to keep updating the
items in solution explorer?
Here's what I do now:
Test and debug the windows app. Make appropriate changes required there.
Once it's to my li... more >>
Using Images in vb.net
Posted by Alan Lambert at 2/11/2004 8:36:06 AM
H
I'm writing a control which has a property called Picture of type Image. Once an image has been assigned to the property (no problems there) I need to split it up into a number of sub images e.g. cut it into 4 equal pieces, which is what I'm having problems with
I've been looking at the variou... more >>
Can you write to the .config file?
Posted by feng at 2/11/2004 8:31:17 AM
..Net's .config file is supposed to replace the .ini files.
That's all fine if all I need is to read from it. But what
if I need both read and write? With .ini file, I can do
that very easily with standard API. But is there API for
writing the .config files? I know we can treat .config
fil... more >>
CheckedListBox State
Posted by CC at 2/11/2004 8:31:06 AM
Hi,
We are populating a CheckedListBox from a database. Based on a selection by the user, the CheckedListBox either contains ALL possible members of a set, or a subset of possible members. The user can click a button to toggle back-and-forth between showing all or some. The question we have is... more >>
datetime.format for quarter
Posted by Dominique Vandensteen at 2/11/2004 8:27:50 AM
I have a datetime and want to format it to "quarter year"
so 20 december 2003 should give: "4-2003"
is this possible?
I don't find a format character for quarter :-(
Dominique
... more >>
create/use form event/property to validate txtEntry
Posted by Rich at 2/11/2004 8:16:24 AM
Hello,
I have 10 textboxes on a form. I would like to validate
text-data entry on each textbox. I was looking for a
Form_Current event or Form_Change event but did not
recognize any such events. Or maybe there is a property
for the Textboxes where I can set data entry conditions?
Wo... more >>
Web Browser Control locks after ShowDialog
Posted by Kent Brown at 2/11/2004 8:04:27 AM
I have a modal dialog which has the web browser control in it. The first
time it comes up fine. If I hide and then reshow, the form comes up, but
the Web Browser is locked.
Kent
... more >>
Blind Blogger
Posted by CJ Taylor at 2/11/2004 7:24:58 AM
http://www.manageability.org/blog/stuff/gateway_to_offshore/view
If you ever wondered why Java was better from the mindset of an obvious
trogodor.
-CJ
... more >>
Detecting real changes in a bound datagrid
Posted by David Batt at 2/11/2004 7:16:05 AM
Hi,
I need to determine when data in a datagrid bound to a dataset has changed and thus make
updates accordingly.
I would of thought the code below would detect when a change has been made to the dataset, however
the haschanges value is set to true even if i just click on a cell without chan... more >>
VB6 > BV.Net Equivalents
Posted by Harry Strybos at 2/11/2004 6:48:24 AM
Hi All
Is there a book or web site that lists all the VB.Net equivalents for VB.6
methods? In other words, a list of all VB6 keywords and their equivalent in
VB.Net. This would be of enormous help to me. Tank you (sorry, got a cold
;->)
... more >>
Looking for work in the Arkansas and Louisiana Area....
Posted by twilliams NO[at]SPAM hongkongexpressions.com at 2/11/2004 6:16:43 AM
My apologies, this is way off-topic....
Im un-employed, looking for employment. The IT market is almost
non-existent and jobs are scarce in Arkansas.
If you are located in the Arkansas or Louisiana area. I have
experience working with Infragistics and DataDynamic ActiveReports
controls in C... more >>
First Day of the Month
Posted by Jeff at 2/11/2004 6:16:06 AM
I was wondering how to get the first day of the month as a datetime value. I don't want to set the date to a specified format because I want to display it, the way the user has it set on their machine.
Thanks
Jeff... more >>
Work in VB.NET, ASP.Net, Networking
Posted by twilliams NO[at]SPAM hongkongexpressions.com at 2/11/2004 6:11:22 AM
My apologies, this is way off-topic....
Im un-employed, looking for employment. The IT market is almost
non-existent and jobs are scarce in Arkansas.
If you are located in the Arkansas or Louisiana area. I have
experience working with Infragistics and DataDynamic ActiveReports
controls in C... more >>
is it essansial to install .net framework with any software which is developed in .net
Posted by peter at 2/11/2004 4:11:06 AM
i was install some software on my pc certainly it gives massage to install . net framwork first than the program will run properly. i just wnated to be sure that if iam developing a software on .net it means that on every before installing my sftware which is devloped on .net have to install framwor... more >>
Access Form to Asp.net converter
Posted by Stan Sainte-Rose at 2/11/2004 3:47:41 AM
Hi Guys,
I m looking for a tool to convert an Access form application to asp.net.
Do you have some ideas ?
Stan
... more >>
Help: Sorting fails on boolean values!!!
Posted by Henning Kristensen at 2/11/2004 3:46:07 AM
Hi
Been at this problem for 6 hours now, aka. time to admit my defeat and ask for help ;-
The code thats acting up looks like this
Imports System.ComponentMode
Public Class aktivitetList
Inherits System.Collections.CollectionBas
Private _comparer As New aktivitetListSorte
... more >>
manipulating vcard
Posted by sebastien.chesney NO[at]SPAM socgen.com at 2/11/2004 3:32:11 AM
Hi,
Is there a way in VB.net to create or manipulate vcard?
Thank you for your help.... more >>
asp.net howto to put wildcards in date rowfilter
Posted by amrita at 2/11/2004 1:26:05 AM
hi
i have a dropdown where i have put dates in mm/dd/yy format and want to filter the date from the database(format mm/dd/yy time) based on these dates ie if i select 01/06/02 from the dropdown ,it shud show all the items wth this date and diff time, i cannot use like as it is not supported with da... more >>
Capturing key
Posted by John at 2/11/2004 12:20:27 AM
Hi
How can I capture Esc key on my form?
Thanks
Regards
... more >>
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