| |
by: Terrence |
last post by:
I am doing some of the C# walkthroughs to transition from
VB to C#. When I try to execute
static void Main()
{
Aplication.Run(new Form1())
}
I raise a 'System.NullReferenceException" in
system.windows.forms.dll
|
by: Fabio Papa |
last post by:
Hi,
I am fairly new to programming and and even newer to dotnet. I appoligise in advance if this is a dumb questions, and I would appreciate if you could answer it anyways. :)
I am writing a windows service wich sends emails to customers at a specific time. My app retrieves cities and the city's associated time from a database, waits...
|
by: Rafael |
last post by:
Hi, I hope I can find some help for this problem
IDE: Visual Studio.NET 2003 Developer Editio
Language: C#
Problem: "An unhandled exception of type 'System.NullReferenceException' occurred in system.windows.forms.dll. Additional information: Object reference not set to an instance of an object.
Visual Studio's IDE is not allowing me to...
|
by: TT (Tom Tempelaere) |
last post by:
Hi,
Once in a while my application throws an NullReferenceException at startup,
however it appears to be occurring in an unknown module. If I debug it and
ask to 'break', then there is no source code available (I am running in Debug
mode of course).
What could be the cause of this? Can someone shed some light on this matter?
Kind...
|
by: Enrico Pangan |
last post by:
I'm trying to call some functions in a C++ Dll, "Library.dll" from C#.
Some functions work but some return the NullReferenceException. I have
here the source code for the C++ version and for the C# version. The
C++ version works while the C# version returns the
NullReferenceException on a call to Connect().
The Open() and Close()...
|
| |
by: Raed Sawalha |
last post by:
i have a windows form(Main) with listview, when click an item in listview i
open other window form (Sub) which generate the selected item from parent
window in as treeview items when click any item in treeview i display the
content item in axWebBrowser, i close the sub form normally when i close the
main the following error is generated
An...
|
by: msnews.microsoft.com |
last post by:
I'm trying to fill an array of objects but when I add the first object I get
a NullReferenceException.
----------------------------------------------------------------------------
-------------------------------------------
Public Class TestClass
Public NextSubIndex As Integer = 1
Public arrTestSubClass() As TestSubClass
|
by: William Mild |
last post by:
I must be getting brain fried. I can't see the error.
Create a new web form with the following code begind:
Public Class test
Inherits System.Web.UI.Page
Public Class ReportCardData
Public Structure Attend
Dim DaysTardy As Double
|
by: Xero |
last post by:
could anybody describes a scenario where this error will occur?
i have visited the page about the NullReferenceException in msdn library but
i still have no idea what it is about.
thanks.
System.NullReferenceException: Object reference not set to an instance of an
object.
--
Xero
|
by: Sagar |
last post by:
Hi.
I am working on a project to migrate a web application from 1.1 to 2.0
Within in the DAL of the application, there is a call to below
function that builds a command object for later use.
Inside this function iam getting a runtime error when the command
object calls the prepare method.
|
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...
|
| |
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...
|
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...
|
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...
|
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...
|
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...
|
by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
|
| |
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
|
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...
|
