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by: Paul Fairless |
last post by:
Customers table - contains Columns:
CustID, Surname, Forename, TtlID
Titles table - contains Columns:
TtlID, Title
TtlID is a Foreign Key in the Customers table.
I have a Form frmCustomers which contains a ComboBox to select
the Customer's Title. The ComboBox is populated from the database
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by: Timothy White |
last post by:
I have a Windows Form Which Displays one record at a
time. The DataTable object which is bound to the Form
Controls only contains the record that is being
displayed. When I need to display a different record, any
changes in the current record are saved to an Access
Database, the DataTable's Row Collection is Cleared and
the New Record is read into the DataTable. (This is done
to ensure that when the User goes to view a record, they
get...
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by: Richard |
last post by:
Hi,
I'm having issues with DataBinding. I have a Form with two data bound comboboxes on it. When you select something in one combobox I may {or may not} want to change the selected item in the other combobox. For reasons beyond the scope of this post I need to change the second comboboxe's selected index from within a ColumnChanging event handler. So, inside a ColumnChanging event handler I change the value of the column that is bound to...
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by: Michael Maes |
last post by:
Hi,
I have a UserControl containing some controls of which one is a ComboBox.
All the InternalControls are Private and some are allowed to be accessed through Public Methods.
One of the things I would like to do (of course) is set the DataBindings.
Something clearly is wrong with the approach I use, because I can't set the Properties in the Designer, the DataSource-Property appears like 'ReadOnly', there is no "dropdown" with the list from...
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by: Gary Shell |
last post by:
I have a pair of combo boxes on a form. Both have their SelectedValue
property bound to a column on a table called "Input_Output". One column is
called "Class" and the second is called "SubClass". Each combobox has its
datasource, displaymember and SelectedValue member bound to separate tables
thru individual datatsets thru individual data adapters. The two tables are
"Class" and "SubClass".
I use parameterized query to populate the...
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by: Dan Slaby |
last post by:
I have a webservice that I want to populate a combobox on a windows form.
The webservice creates the correct XML output, but when I attempt to bind it
to a combobox I get this error:
Additional information: Cannot bind to property or column FullName on
DataSource.
This error occurs with the databindings. Here is the code:
--
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by: GaryDean |
last post by:
We have been noticing that questions on vs.2005/2.0 don't appear to get much
in answers so I'm reposting some questions posted by some of the programmers
here in our organization that never got answered...
In 1.1 we always did our own myDataAdapter.fills and we liked that control
for lots of good reasons. Now the new DataSource (or is it a
TableAdapter:Dataset) automatically fills the Gridview. How can we control
that fill?
In a...
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by: Peter M. |
last post by:
I'm struggling with combobox databinding with something I consider a bug...
I'm binding my combobox to an array of structs. The struct exposes two
public properties, ID and Name, to be used as the
value and displaymember properties.
This works fine. My combobox contains the correct data.
However I'm also binding my SelectedValue property to a column in a
datatable. Here's where I'm lost. The combobox doesn't show the correct
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by: JTC^..^ |
last post by:
When i attempt to bind to the "Text" and "Value" property of a combobox
on a windows form the value is reset when I leave the combobox. The
comboboxes contain the correct Text and Values. I know this as the Value
property binds correctly on it own. It is only when I bind the "Text"
and "Value" that the issue occurs.
The following sample code includes my custom classes and the Form Clode.
I have several comboboxes and customer classes...
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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: 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: 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: 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: 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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