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by: amber |
last post by:
I'm having some trouble with a listbox on a Windows form.
Initially it populates fine. I have another listbox (listbox1) and when it's
index changes, listbox2 is repopulated.
I have a textbox that displays what is selected in listbox2.
It is rare that listbox2 has any data right now.
So if I click through listbox1, and there is no data to...
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by: Byron |
last post by:
I'm looking for a way to deny a move from the current listbox item. For
instance, if the user is editing the record associated with the current
listbox item I want to deny a move within the listbox until they have saved
the changes. Is there any way to deny a move from the current item so the
SelectedIndexChanged event never fires no matter...
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by: Jeff |
last post by:
IDE: VS 2003 :NET
OS: XP Pro
My app have a form with a tab-control on it. The tab-control have 2
tabpages. One of the tabpages displays a datagrid, and the other tabpage
displays details (order date, name, address etc) about the selected row in
the datagrid...
My problem is when I enter a new record in the details tabpage (saves data...
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by: Josema |
last post by:
Hi to all,
I have a class (persons) that derives from collection base:
and another class (person) with this properties:
-ID
-Name
When i have complete filled the object Persons with all the persons, i put
each persons inside a ListBox following this:
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by: Edward |
last post by:
I am having a terrible time getting anything useful out of a listbox
on my web form.
I am populating it with the results from Postcode lookup software, and
it is showing the results fine. What I want to do is to allow the
user to click on the row that corresponds to the correct address, and
have the code behind populate the form's...
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by: Matt Tapia |
last post by:
I having a problem that receives the following error:
Specified cast is not valid
And I need some help. Here is what is happening:
I have a form with a drop-down control that contains a list of control names
(TextBox, DropDownList, Calendar). On Post back of this drop-down control, I
clear a panel control (I have on the same page) of...
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by: Tony Botelho |
last post by:
I am fairly new to VB.NET and I am having some difficulty working with a
bound listbox.
On a simple form, I open a connection to my database and load a dataser. I
then bind a listbox to the the dataset and set the display member. I also
connect some filed using databinding.
I am able to choose an item from the listbox and edit it, but the...
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by: Mike Collins |
last post by:
I cannot get the correct drop down list value from a drop down I have on my
web form. I get the initial value that was loaded in the list.
It was asked by someone else what the autopostback was set to...it is set to
false.
Can someone show me what I am doing wrong and tell me the correct way? Thank
you.
In the page load event, I am...
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by: romcab |
last post by:
Hi guys,
I would like to ask your help about saving in ado.net. I was able to update it only on the display but when I check the database, it is not updated. I paste below my code and hopefully you can help me.
using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it. ...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating...
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