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by: NCrum |
last post by:
I want to set the Default value of a Combobox for any changeable record and have got this working but it is totaly unsatisfactory
see the code below
I loop through the items in the Combo looking for a match between cVal and the selectedValue then stop when I do have a match
the obvious problem is that each iteration fires the selectedIndexChanged but also for a large list this will slow everything down.
There must be a better way
int...
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by: Robert |
last post by:
I'm sure this is a fairly basic question, but I've been looking all over the
web for days for suggestions on how to do this.
I've got a datagrid that's bound to a dataset on my form. It includes
several columns, the last of which (with the header Quantity) contains int16
values. When a user selects a row, I would like to have a combobox on the
form display the values from 1 to the number in the Quantity column (e.g.,
the selected row has...
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by: Eric |
last post by:
Im populating a combobox from query results like that
below. This works great for populating the box, but I dont
want the selected text, but the ID info associated with
the selection. The query returns Name,ID. I only want to
display the Name in the box, but pull the ID value as the
selected value. I could do this with web forms in .net,
but not with Windows forms controls. Any help would be
great.
EXAMPLE:
Dim dreader As...
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by: Keith |
last post by:
Hello - this started out as a minor annoyance - and now is
starting to bother me more and more - I'm hoping someone
can help me.
I would like to have a combobox display - NOT initially be
blank - but contain a value. However the value is just
for user reference - not really one of the combobox
choices. For example intially the combobox should equal
the word Select - and the item values can be
say 'one', 'two', and 'three'.
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by: blue_nirvana |
last post by:
I use a AddHandler statement in the load event of a form to assoicate a
routine with a combobox. When I populate the form, I select the approiate
value from the combobox by using combobox.selectedvalue = value. The weird
thing is sometimes this causes the assoicated routine to be called and
sometimes it does not. The combobox below it that is completely identical
except for the name works every time. After the form is displayed, you can...
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by: jon f kaminsky |
last post by:
Hi-
I've seen this problem discussed a jillion times but I cannot seem to
implement any advice that makes it work. I am porting a large project from
VB6 to .NET. The issue is using the combo box bound to a table as a lookup,
drawing values from another table to populate the available selections. This
all worked fine in VB6.
I have distilled the problem down to a simple form drawing data from the
Northwind database for a representative...
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by: amber |
last post by:
I'm having an issue with a combobox that is making no sense to me at all.
I have a form with several comboboxes/textboxes.
The values in these boxes are based on a datarowview, which is based on a
listbox.selecteditem.
When a different item is selected in the listbox, all the fields are
repopulated with the correct data.
I have 1 combobox which is acting weird.
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by: samoore33 |
last post by:
I am populating a ComboBox at run time. I insert the first value of
"Choose Value"
cboTaxValue.Item.Insert(0, "Choose Value")
Then I loop through the rest of the values to be added to the combobox.
My problem is that when I try to clear the ComboBox it clears the items
that were inserted into the ComboBox, but does not clear the item I
selected in the ComboBox... For Instance.
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by: =?Utf-8?B?UmljaA==?= |
last post by:
Greetings,
I have to load 30,000 unique names into a combox. Filling a dataTable takes
only a few milliseconds. But populating the combobox and displaying the list
takes several seconds - way too long. A user selects a name from the
combobox and runs a query.
Originally, this combox was on a form in an MS Access ADP which was linked
directly to our sql server. The combobox populated withins millisecnods.
How can I achieve this...
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by: Frinavale |
last post by:
This question is going to sound a little crazy but.........How do you set the selected item in a ComboBox?
I am populating a ComboBox with a bunch of instances of a custom private class:
For Each s as Something In MyListOfSomethings
MyComboBox.Items.Add(New XYZListItem(s.ID,s.description))
Next
MyComboBox.ValueMember = "ID"
MyComboBox.DisplayMember = "Description"
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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 usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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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: 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: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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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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