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by: Sue |
last post by:
Anyone have any ideas on why the code below will show up
in a browser's sourcecode as an empty table, and is not
visible?
aspx:
<headertemplate>
<asp:Table ID="MyTable" runat="server" />
</headertemplate>
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by: monkey king |
last post by:
I have a given dll file(PDFCreator.dll) - probably generated by VC++.
I want to use its method(PDFCreator()) in dotNet environment. It works
well in WindiowsApplication, but bad in WebApplication ,the line that
calls the function results in the "Object reference not set to an
instance of an object" error.
The following is the VB.NET code I am using to define the structures,
declare the unmanaged DLL function and call the unmanaged DLL...
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by: Scott Zabolotzky |
last post by:
I'm trying to pass a custom object back and forth between forms.
This custom object is pulled into the app using an external reference
to an assembly DLL that was given to me by a co-worker. A query-string
flag is used to indicate to the page whether it should instantiate
a new instance of the object or access an existing instance from
the calling page.
On the both pages I have a property of the page which is an
instance of this custom...
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by: Mika M |
last post by:
Hello!
I'm using VB.NET 2003 and Windows Forms application type.
Question: Why ComboBoxes are not changing their arrearance to XP-Styles look
althought other UI Components does when I use the following code in my Sub
Main ...
System.Windows.Forms.Application.EnableVisualStyles()
System.Windows.Forms.Application.DoEvents()
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by: Deepak C.G via .NET 247 |
last post by:
I want to dispose the image object in my child form, unless I won't dispose this
object i can't delete the image file in my folder.
I get this error in MDIparent form
"An unhandled exception of type 'System.ArgumentException' occurred in system.windows.forms.dll"
"Additional information: Invalid parameter used."
Here is my code:-
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by: SiJP |
last post by:
There is a lot of information out there that shows you how to use a
manifest file with your .net application (exe) to enable windows xp
styles.
I am building a dll for COM interop, which contains a windows form.
How can I enable windows xp styles to this form?
(appname.dll.manifest doesn't work)
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by: SAL |
last post by:
I am getting the following ERROR in my WebApp on line 30:
Server Error in '/TestWebApp' Application.
--------------------------------------------------------------------------------
Object reference not set to an instance of an object.
Description: An unhandled exception occurred during the execution of the
current web request. Please review the stack trace for more information about
the error and where it originated in the code.
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by: Chris |
last post by:
Hi,
I tried to create a class which must change the propety 'visible' of a
<linktag in the masterpage into 'false' when the user is logged. But i get
the error: "Object reference not set to an instance of an object"
for the line 'If mpg.FindControl("lkred").Visible = True Then'.
I couldn't find sofar the solution.
Any help would be appreciated ...
Thanks
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by: dancer |
last post by:
Using VB.net and ASP.net
At runtime I receive the error that MANY people receive who are using much
more complicated code than mine.
"Object reference not set to an instance of an object. "
I know WHY it's happening. It is when a selection is not made to a
RadioButtonList, so the item is = to nothing.
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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: 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: 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: 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: 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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