EndInvoke can only be called once for each asynchronous operation

by: Vishal Gupta | last post by:

Hi, I am trying to call a function in my web page, asynchronously, to improve performance. I am using a function delegate to do that. I have a web page. When the user clicks a button, i want to...

.NET Framework

about BeginInvoke and EndInvoke

by: Jet Leung | last post by:

Hi All, There is a problem about asynchronism process.If I run the method by BeginInvoke() and how can I know when the method is finish? And maybe I can say when I can use EndInvoke()?

C# / C Sharp

BeginInvoke, EndInvoke leaves extra thread

by: Nick Palmius | last post by:

Hello, I am experimenting with async callbacks using BeginInvoke and EndInvoke, and although my code which I have shown below works, when the program stops at the end (on the ReadLine()), there...

C# / C Sharp

Using EndInvoke From within an AsyncCallback?

by: Doug Thews | last post by:

I've been working on some samples that use BeginInvoke/EndInvoke. In one example, I call BeginInvoke and pass it an AsyncCallback function pointer. I was messing around with ReaderWriterLocks and...

C# / C Sharp

EndInvoke can only be called once for each asynchronous operation

by: scott ocamb | last post by:

hello i am getting this error EndInvoke can only be called once for each asynchronous operation I have coded an app using the async method development pattern. This error occurred under...

.NET Framework

Cancel an Asynchronous operation?

by: Robinson | last post by:

I can start an Asynchronous operation against a data source with SQLCommand.BeginExecuteReader, allowing me to loop, checking for user cancellation before the operation has completed, but how then...

Visual Basic .NET

can I use IAsyncResult.IsCompleted Property to know if Endxxx was already called?

by: semedao | last post by:

Hi all, someone know if I can use the IAsyncResult.IsCompleted Property of IAsyncResult that return from Socket.Beginxxx methods to determine if the Endxxx method already called perior or not ? I...

C# / C Sharp

Asynchronous processing

by: Diffident | last post by:

Hello All, I would like to know how I can process a non-CPU bound operation in an asynchronous fashion so that the original thread is returned to the thread pool? Fritz Onion wrote a very...

ASP.NET

Determine underlying Object in Asynchronous EndInvoke().

by: Peter | last post by:

Hi I call some "worker"-Methods asyncronous. here some simplified code .... public delegate long AsyncWCaller(string parameter); ....

C# / C Sharp

Is that possible of reading the .csv file in column wise and the column have different lengths ?

by: Sonnysonu | last post by:

This is the data of csv file 1 2 3 1 2 3 1 2 3 1 2 3 2 3 2 3 3 the lengths should be different i have to store the data by column-wise with in the specific length. suppose the i have to...

C / C++

Changing the language in Windows 10

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...

Windows Server

Maximizing Business Potential: The Nexus of Website Design and Digital Marketing

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...

Online Marketing

The easy way to turn off automatic updates for Windows 10/11

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...

Windows Server

Discussion: How does Zigbee compare with other wireless protocols in smart home applications?

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...

General

Access Europe - Using VBA to create a class based on a table - Wed 1 May

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...

Microsoft Access / VBA

Trying to create a lan-to-lan vpn between two differents networks

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...

Networking - Hardware / Configuration

Windows Forms - .Net 8.0

by: adsilva | last post by:

A Windows Forms form does not have the event Unload, like VB6. What one acts like?

Visual Basic .NET

transfer the data from one system to another through ip address

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 ...

C# / C Sharp

EndInvoke can only be called once for each asynchronous operation

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