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by: Ben Reese |
last post by:
When you bind a text box to a field that contains null values the text box
displays an empty string. Great!
My Database field is an integer and I want an empty text box to represent a
NULL value. However the EndEdit event on the datarow returns the error The
input string was in an incorrect format
I have failed to find a way to either trap the empty string in the
rowchanging event and turn it into DBNULL or to programatically...
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by: Wesman |
last post by:
Why does the following code not work (displays the correct values in
the second textbox). if i chane the OnFocusChange method to the
following it will work:
private void OnFocusChange(object sender,
System.ComponentModel.CancelEventArgs e)
{
Control control = (Control)
sender; control.BindingContext.EndCurrentEdit();
results.Text = test.BindingTestString;
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by: Paul Slavin |
last post by:
I have a textbox bound to a dataview, when I update the text in the textbox no changes take place in the underlying dataset. Why is this??
any answers appreciated, as to due to the underlying structure of the datasets, i.e lots of child tables etc, I cannot use bindingcontext
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by: Agnes |
last post by:
in my tables, there are 20 fields,
15fields are bind to the textbox. however, some fields won't shown in the
textbox , but I need to update it also.
For example, i will increment the version , userid, savedate behind the form
(not shown in the textbox)
How can I do that ?
Thanks
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by: Bruce |
last post by:
Hi, there,
I meet a problem about comboBox binding.
--------------------
Database: Northwind
Tables: 1) Products 2) Categories
I create a form (named "form1") to edit the record from Products table.
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by: Paul |
last post by:
Hello:
I create a textbox control programatically something like this:
Dim td As New TableCell()
Dim txtbox As New TextBox()
txtbox.ID = "my_textbox"
td.Controls.Add(txtbox)
Now I want to programatically associate a "OnTextChanged" event to this
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by: =?Utf-8?B?QXNo?= |
last post by:
Hi,
I have an object, for example User. User contains various properties which i
have been able to bind to successfully using wizards and the form view.
However if the class User has a property which is not a string, for example
a custom type Address which contains properties such as StreetAddress, City,
County, Country etc how do i bind to those properties on the same form view?
I have tried doing Bind("Address.StreetAddress") but...
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by: EricLondaits |
last post by:
Hi,
I have an ASP.NET page with a ListBox that is data bound to a table
with a single field (it holds a list of valid IDs). The page also has
a textBox into which you can add new valid IDs, one per line (this is
in order to make the process of adding new IDs easy, since it's only
done at time of configuration).
I have no problem with retrieving the contents of the textBox,
splitting it into a string array, validating the individual...
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by: Dmitry Duginov |
last post by:
Hi,
I have the following label markup (label is inside FormView):
<asp:Label
ID="lblIndicatorReady" runat="server" Text="RE" ToolTip="Ready"
BackColor='<%#
Eval("Ready").ToString()=="True"?System.Drawing.Color.FromName("#FFFF80"):System.Drawing.Color.White
%>'
Enabled='<%# Eval("Ready") %>'
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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: 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: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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