Hi, Actually i was testing the load test of an application thro' Application Centre Test(ACT),which is developed in ASP.NET and uses VB Script,while re-running the application thro, ACT iam getting a lot of Http errors and DNS errors,i really donno whats the reason behind it and i wanted to res...more >>

I'm looking for a way to be able to edit data in the datagrid similar to how it works in the full framework. My current thought is when I select a cell in a datagrid place a textbox in the exact location and focus on the text box, when done save the value in the datagrid and move the textbox....more >>

I'm building a smart client application which uses Web services. I'd like to perform load and stress tests on the application. I need to measure performance under varying user load conditions. I can't seem to find a tool similar to Application Center Test that I can use to perform these type o...more >>

I'm currently using ArrayLists of Objects as a DataSource for several web controls (Repeater, DropDownList, etc.). I have no methods in these classes and use only the properties, which are simple assignment Gets. It seems to me that it would be more efficient to create Structures and use tho...more >>

I'm having a difficult time explaining the following behavior: A. User1 launches EXE (default "Hellow World!" C++.NET Console App) from a Command Line on Computer1 and "Hello World!" is returned almost immediately. B. User1 launches same EXE from Command Line on Computer2 and achieves same ...more >>

Hello, I am building the application which is writes in C# and needs goog performance. I optimalize it in the .NET Framework .NET 1.1. Then I am start using of ..NET beta Framework 2.0 beta 1, than beta 2 and now Release canditate. But now performence decreased. I am using generics for...more >>

hi Folks, I am about to start development on a new framework, and contemplating whether to use datareader to create objects or to use DataSets to create object. For a test scenario i created two classes , with each having 8 properties. Then i created two Data creation logics, one that fe...more >>

Hello all, I am writing an application that needs to load vasts amount of data into memory, so that the users can manipulate their own copy of the data and save any changes back to the database. It is important that the data is loaded in as fast as possible and data manipulation is quick wi...more >>

Hi I was testing a quicksort algorithm. long startTime = DateTime.Now.Ticks; //ticks before sorting begins q_sort( 0, mElements.Length-1 ); TimeSpan tp =new TimeSpan((DateTime.Now.Ticks - startTime)); //difference of ticks mSortTime = tp.TotalMilliseconds; //sort time in millisecond...more >>

Hi Everyone, For Last a few weeks I have been involved with performance tuning of an application. I have observed that if I do a loop over a collection (ArrayList/HashTable) which has 50000 objects in one shot then it takes about 15 minutes to do the computation. But if I break this to loo...more >>

Recently I ran across this article http://arxiv.org/ftp/cs/papers/0502/0502012.pdf by Peter Kukol and Jim Gray that gave me a taste of the performance offered by un-buffered file IO. The method outlined requires SafeFileHandle which is only in .net 2 which my company will not be moving to fo...more >>

Hi: there is a strong type dataset with one table ,300 columns(string type). scenario A: the dataset has 300 rows,how many memory it will used? scenario B: the dataset arraylist has 300 dataset objects, each dataset object had only one row. How many memory it will used? ...more >>

I'm writing an application for a client. This is not rocket science. The program simply reads a couple of dbs and then does some updates based on (relatively) simple rules. However we seem to have a major performance problem (and things seem to be slowing down). The program runs in two m...more >>

I was talking to a PDC representative about my file read performance and how if I am reading a file in small chunks, it really seems slow and the Microsoft representative told me to post a sample. If I use a memory buffer, the performance is acceptable on my Pocket PC, but if I read the fi...more >>

Hi All I am developing one Portfolio Management application where there is single database shared by all the traders. I have developed web-based application for this. I want to make this multiuser application. Following is the architecture of the application ... Front End is develope...more >>

Hi, I have a complex web application in ASP.NET. I was to do performance test and stress test. What should I do? Regards, Vineet ...more >>

.. NCache is an important addition to .NET for Enterprise Applications that are high transaction and require high peformance and high availability. NCache is a clustered object cache for .NET and helps greatly improve performance of .NET applications. NCache implements the ASP.NET Cache API but ...more >>

Hi All, We are developed an ASP.NET web application that has just one ASPX page and loads different user control depending on the Context and user's access rights. We are using ACT to perform stress test and here is the issue: a) When I run a test in ACT, I do not see any queries being run ag...more >>

Hello, I'm working on a project for a public computing device and the UI is a full screen WinForms app using DirectX that is very graphic intensive, lots of motion and animations and such. After the application sits idle for some time (such as overnight) without usage the response of th...more >>

I've been creating an Application for pocket PC devices and I'm having performance issues with the busiest form. The form that is having the most issues contains about 60 labels and 60 text boxes. In order to let the user know where they are only the current field is a text box, when the...more >>

Hi, I have aspnet_wp.exe with increasing on every postback and not every revisit to any page. Even if I clear session and close the browser it remains in the memory. What could be the issue?? Regards, Vineet ...more >>

We have two applications that perform the same functions and run on the same server. This is a traditional 3-tier app using VB client - Proxy- MidTier (in c++) and SQLServer/Messaging connectivity in a COM+ (DCOM) environment. The application was re-developed recently using VB.NET - Remoting...more >>

Somewhere around 500 connections send callbacks stop in C# asynchronous sockets. I'm counting how many BeginSend are issued and how many EndSend are received, and somewhere around 500 connections send callbacks stop coming even when the count for BeginSend shows that there are pending sends in t...more >>