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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: hodari |
last post by:
The compiler complains that zero is not acceptable value for selectedIndex.
What I am doing is loading up the combo box with the data from a dataset and
then setting the SelectedIndex value to zero thus forcing the first record to
be selected.
This is an untyped data set and unbound...
Here is a snippet:
private void frmCustomer_Load(object sender, EventArgs e)
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by: Vern |
last post by:
I have a combobox called sPropertyCountyCd whose datasource is a dataview.
The first time I set the filter to the dataview, attach the combobox to the
dataview, and set the selected index to -1 is comes up correctly as blank.
However, if I change the filter, and set the selected index to -1, is always
shows the first record from the dataview and changes the index to 0. I even
tried to set the datasource to null, and then reassigning the...
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by: Dica |
last post by:
i can't seem to find a way to cast the value in my comboBox to integer. i've
tried the following:
short iProjectID = Convert.ToInt16(cboProjects.SelectedValue);
i keep getting a "Sepcified cast is not allowed" error. how can i do this?
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by: mike |
last post by:
Hi,
I'd like advice from a .NETer. I have a loadcombo
routine which sets the selectedindex to -1 if it's an "add
record", but then it goes to a security routine which,
based on permissions sets the visible property. When the
visible property is set..
'Petition Type
lblPetitionType.Visible = False
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by: Steven Thomas |
last post by:
I have a combobox where I populate the remaining items on the screen
according to what is picked in the combobox(dependent prompting). Is
there anyway to tell when a user looses focus on the combo versus
selected index changed?
So, say the user clicks on the combobox and types a letter to go to
the values starting with "S" the page loads, then they open the combo
and pick the value they want and the page loads a gain. I only want to...
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by: Andrus |
last post by:
To reproduce, run the code.
Observed:
System.ArgumentOutOfRangeException was unhandled
Message="InvalidArgument=Value of '0' is not valid for
'SelectedIndex'.\r\nParameter name: SelectedIndex"
t2.c1 contains legal value.
Why this error occurs ?
How to fix ?
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by: AR123 |
last post by:
Hi
I have created a form and need a bit of help with my javascript? My for is created using HTML and its using media surface. The form is set up to submit to an email. the problem is I have a drop down for GBP or percentage and then a box to type in the amount. When the results display in the email the are showing on a seperate line but I want this to appear together like GBP 5.00 or Percentage 9
Here is what ive got:
Form field
<TR>...
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by: TG |
last post by:
Hi!
Once again I have hit a brick wall here. I have a combobox in which
the user types the server name and then clicks on button 'CONNECT' to
populate the next combobox which contains all the databases in that
server. Then after the user selects a database, I have another button
that he/she click and I want to retrieve file groups from a specific
table. At this point when he/she clicks on that button I get an error:
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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 synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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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: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth.
The Art of Business Website Design
Your website is...
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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: 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: 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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