Hi All, I am doing performance testing for an webservice like application. The application has a login page. on giving the login credentials the customers welcome page is displayed (the data is not fetched from any database server but fetched from a xml document) and presented in the br...more >>

I just realized that there are 2 modes for garbage collection modes: server gs and workstation gs. Would someone know how I can go about changing the mode for my web application written in C#? I want to make sure it's using server gs mode. Thank you for any comment or advice. -zeng ...more >>

Hi all, @ my work place, we have been using COM+ for business objects for a while even though our COM+ components are VB 6.0 components and as such we did not make use of any of the COM+ features (except it being a host for our DLLs) Now we are embarking upon .NET and have been debating b/...more >>

When using PerformanceCounter.NextValue to measure CPU load (percentage), it returns quickly on every call but then takes 20 seconds at the 2 minute boundary. After this it again returns quickly. Here's a sample: //********************************** using System.Diagnostics; using System.Th...more >>

Which one of the methods would use less server resources and give better performance to display data on a page? ...more >>

Hello, i need to write a simple console app which checks every 5 minutes or so whether the website is available or not. so after the start, it kind of runs till the windows is down... how to do that, with threads? what about perfomance issues? do i need to "kill" some of the objects? any h...more >>

I was trying to find out the fastest way (coding standards and best practices aside) to set data into Business Entities which only job is to encasulate DataTables from the Business Components processing them. We thought that Fields would be faster but in a simple test of get/setting data into...more >>

We have ASP.NET 1.1.4322.0 on a Windows 2000 sp4 machine with 2 processors. During a load test of 25 users the cpu goes to 100% during the test and aspnet_wp.exe is the process that is consuming the cpu. Memory for this process stays contant at around 160mb. I'm not the developer so I'm guessi...more >>

Hi Using v1.0, and a straightforward app, ie WebForms, Grids and MSSQL calls into Datasets / SQLDataReaders. On Testing (granted test server is a P2 350mhz), The Processor Counter shows MAxing out at 10 concurrent users, all other counters are at absolute idle. (DB on a seperate DB Server)...more >>

My GC continues to fill all the time and never empty... do you know how to empty it manually? ...more >>

If I have an object MYCONTROL that has a reference to object A that subscribes to an event of object B and has a reference to object B in its Items collection that is a member of object A. Object B also has a reference varialbe Parent that points to object A. If I null the reference to object ...more >>

Hi all, lets get start. i have a few questions to ask perhaps someone can help me. i´m doing a simple aplication. some thing like this i have a form with a button that opens another form in dialog mode. ' button code ... Dim frm As New frmAbout frm.ShowDialog(Me) frm.Dispose() first , ...more >>

Hi, I have a Xml of size 10 MB. I read all this xml into a string variable in memory. What I expect is that the memory consumption of the process should be around 10 MB. But I got some big surprises. The Windows Task Manager shows Mem Usage around 70 MB. However, PerfMon shows #Bytes in a...more >>

Hi, I need a recordcount from a query before I display the data because if the result is too large > 20 rows (up to 500 possible) I display a filter form instead to narrow down the results. From what I've learnt, I think I can either do a select count to get the number and then another query ...more >>

Hello, I was wondering if anyone knows the performance cost of calling BeginInvoke on a method so that it executes on a differnent thread. Is the cost much higher than just calling the method on the thread it's on? I need todo this continually maybe 10 times a second, maybe more, would this ca...more >>

Hi, We set debug="false" at web.config of a WebService for performance sake. We found that after set, the web service request will sometimes got a timeout exception. Would anyone tell me how long the web service request be timeout and how to configure the timeout limit of the webservice calls? ...more >>

Is there a general method for finding out, to the byte, how much memory is consumed by a given instance of an object? I'm in the process of designing a scientific simulation program (to simulate planetary formation, tectonics, etc). To simulate an earth-sized planet with any nice degree of...more >>

(Compile to see the bug.) using System; using System.Drawing; class MainClass { static bool SimpleExample = false; static bool ReorderExample = false; public static void Main( string[] args ) { FirstAnExample(); Console.WriteLine(); if( Simple...more >>

Can someone tell me what's the maximum size of array in .Net 1.1 and .Net 2.0. I need to handle very large in[] objects (indexed by Int64 ?), and thinking to run my code on an AMD64. Thanks in advance, Joannès ...more >>

Hey folks! I need some light with this... I have a big three layer application with a Web interface... once it was built the webforms where using the dlls of the bussines logic in the same server (bin directory of the virtual folder on IIS). However, a few weeks ago we needed to separate th...more >>

Does anyone know of any good books (or even papers) on .NET profilers, especially the .NET profiler Microsoft will allow you to download? I'm having problems interpreting the results. A book would help. Thanks. ...more >>

Which statement gives better performance (where obj can contain any of the CLR runtime types) 1) CType([Enum].Parse(GetType(UploadMode), tmp), UploadMode) or 2) Me._mode = CType(tmp, UploadMode) or 3) System.ComponentModel.TypeDescriptor.GetConverter( GetType(UploadMode)).ConvertFromxxxx...more >>

Which statement gives better performance (where obj can contain any of the CLR runtime types) 1) CStr(obj) or 2) obj.ToString() ...more >>

Hi, How can I can access all the debugger aids (like Autos, Locals, Me (This), MemoryLists, Threads, Modules, Registers) programmatically? I want too use them in my program to log the exact picture of the error and its condition like the values of the each variable etc. when an error occurs in...more >>