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by: ScottO |
last post by:
I would like the user to have to select something in a
System.Windows.Forms.ComboBox.
private void MyForm_Load(object sender, System.EventArgs e)
{
...
comboBox.DataSource = data;
comboBox.SelectedIndex = -1;
...
}
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by: Sam Miller |
last post by:
Hi,
I have a button event that won't fire. I left it on Friday and it worked
fine. I came back in on Monday and it won't fire.
I tried putting another button and just putting a response.write on its
click handler but it won't fire either telling me no button click events
will fire. But my calendar control on the same page does fire.
In the debugger I put a break point in the calendar event and the button
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by: Norm Katz |
last post by:
When you use a bound combobox and you set its dropdown style to "dropdown"
that allows you to enter text in the edit box. But if you enter anything
other than a value in the current bound items collection, the .text property
does not update. Furthermore, you can't easily trap an event to examine the
new value if your program assigns it programmatically as opposed to someone
typing it in and tabbing away from it. That is, TextChanged does...
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by: Dave |
last post by:
I have a combobox with some values loaded from a database. I want to use a
barcode reader to select a value in the combobox. But as soon as it is
selected I want to fire an event. What event would be the most appropriate?
--
L. A. Jones
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by: senfo |
last post by:
Hello All,
For some reason, the MouseDoubleClick event for my ComboBox does not
appear to be working. I am not subscribed to any other events for this
control. I pulled out Spy++ and noticed that the WM_LBUTTONDBCLICK
message is indeed occurring. The ComboBox does not provide a
DoubleClick event like other controls do.
The Windows application is being developed in VS 2005.
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by: tbrown |
last post by:
I have a combobox with items like this: {one,two,three}. The selected
index is 0, so "one" appears in the combobox text. When the user drops
down the list, and selects "two", for example, I modify the Items
collection to be {two,one,three} and now want "two" to appear in the
combobox text. However, the combobox text is now blank. the is apparently
somehow the result of having changed the combobox.Items collection.
If, trying to fix...
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by: =?Utf-8?B?RyBIdXN0aXM=?= |
last post by:
This is the 2nd time posting so sorry for duplications.
I am using VB.NT 2005 & a standard Combobox.
I've been wracking my brain over this problem for a over a month & cannot
seem to find a way to trap the pressing of a Tab Key when the focus is in a
Combobox. The KeyDown or KeyUp event for a combobox will not fire when the
tab key is pressed. The Keyup event will fire when the Tab key is used to tab
into the combo, however I want to trap...
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by: goscottie |
last post by:
I have two comboboxes databound at run time. I can make a selection
on first one to filter the second one. This works good with applying
DataView RowFilter on second combobox. But at that moment, I need to
have the second combobox to fire off SelectedValueChanged event
because the selection has been changed (most likely the top item after
filter applied). This won't fire currently. I can, however, make
selection to the combobox...
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by: Dom |
last post by:
I have a datagridview control, and one column is a ComboboxColumn. I
simply create a ComboboxColumn, add items to it, then add the column
to the Datagridview control.
If I were working with a simple ComboBox, I could capture an event
that fired everytime the selected item changed. Is that possible if
the DatagridView control?
I've looked at various events, but none give me what I want. For
example, the CellEndEdit event won't fire...
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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.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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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 choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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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 launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
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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 instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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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 the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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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 effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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