Hi there, I've been tasked with the job of improving startup time for several .Net applications. The applications are written in C#, targeting the v1.1 framework. I'm interested in hearing any tips on how I should approach this. I'm already aware of the following strategies, so no need to m...more >>

Any one has sample code to create multiple instances for a performance counter? Thanks; Michael ...more >>

Hello I just noticed in TaskBar that my application generate lots of page faults... That seems to happend on paint event of my custom control. What could be the cause of it? I draw a full screen bitmap into my control That bitmap I create from multiple tiles...(the bitmap is a map) When...more >>

Currently I am responsible for writing the C# coding standards document for a client and I have been doing some investigations with ildasm to establish some additional best practices. When using either the C# equality operator '==' or the object.Equals() methods, which is better? Personally...more >>

Hi, In our project, we used XSD.exe to create the classes, not dataset, which represent the data entities from xsd files for passing among the tiers. We want to set the default value for all numeric fields to be -1 in our data entity classes. I know this can be done by setting the default value ...more >>

Hi, In Visual basic6 there are so many grids using which we can display the tree structure (Multiple column). Same thing I am planning to display the result of query in a tree format, instead of grid. I wanted to know how to convert this data grid in to a tree view?. I am using vb.net as a...more >>

Is there a .NET or C# to native x86 compiler? I am not looking for just a prejitter progrom like ngen, but a true native compiler like the gcc for java if there is such a thing. Thanks Andy ...more >>

I m facing CPU issues at development time. For example sometimes I write a line of code and press enter , and the IDE freezes for 4-5 second and the CPU is at 100%. We are using Visual studio source safe.The application is large enough.(6 projects, and around 1400 files in the solution). we have...more >>

I need to monitor some large number (about 30,000) of objects periodically. Development is easy if I create timers for each one of them. But I am afraid this may have some problems, with resource consumption. Does each instance of a timer from System.Timers.Timer consume a Win32 Timer. How m...more >>

Hi, I've a migration scenario where I rewrite a COM object to an .NET interop assembly (so, still callable from COM). What is the impact if I continue my step-by-step migration and have a scenario where my .NET objects start to call .NET interop assemblies? Is there an overhead included? Fo...more >>

I have a situation where an app writes data of various types (primitives and objects) into a single dimensional array of objects. (This array eventually becomes a row in a data table, but that's another story.) The data is written once and then read many times. Each primitive read requires unbox...more >>

All, I am not sure if this is already a known issue. When I calculate the time elapse for a partular activity using AverageTimer32 type perfmon counter, should I use: long t1=DateTime.Now.Ticks;<--1 //some activities long t2=DateTime.Now.Ticks;<--2 MyAverageTimer32.incrementBy(t2-t1); ...more >>

Hi, Since small method calls are inlined when the IL size is 32 or less. Take for example.. // Method (inlined) public bool getVal() { return someVal; } // propget public bool Val { ge { return someVal; } } Which is faster? If the method is ...more >>

Hi.. I created a .NET windows service that transfers data from and to different data sources. I would like to use thread pooling to add the flexibility to run transfers simulteneously but want to be able to control what transfers go into what threads. Don't know how thread pooling works. Plea...more >>

Hi I have just released a new program within my company. It is a windows forms application with a webservice at the backend. I'm getting questions about the memory usage of the program, it uses around 30-40 MB. Now, I have heard that the first .NET program you run on the machine has the ...more >>

Hi, We are currently looking at upgrading a large web app on ASP Clasic & VB6, to .NET. To justify the spend, we need some indication of expected performance increases if we do a straight port. I've seen figures indicating ASP.NET performance 2-3 times improved but nothing on the VB6 c...more >>

The profiler just sits forever at "Waiting for ASP.NET worker process to start". I have verified it places the environment registry vars in their correct place. However when I navigate to my ASP.NET app and aspnet_wp.exe starts up the profiler doesn't seem to recognize that or connect with it....more >>

I dont find it difficult to program them using threads. Any one know if this is not very good choice. I will be dealing only with one socket which has data coming at regular intervals of around 1kb ea. Rajesh ...more >>

Hi, We are encountering problems due to memory usage and here is the description.. Brief Introduction Large Object Heap shows monotonic increase in size for .Net components deployed in COM+ Problem Description For the purpose of increasing scalability and leverage connection pooling...more >>

I have vainly attempted to get the CLR Profiler to display its "Histogram by age" view. I get a System.FormatException - Input string was not in a correct format This happens with different log file captures, and happened both with the CLR Profiler available on GotDotNet, and the one availab...more >>

Does anyone have a good reference to the inner workings of the PerformanceCounter class and its related classes? Specifically, I'd like to know how a PerformanceCounter object connects to a remote machine to retrieve data. Is it through WMI, SNMP, etc.?? Even if it's just "Run ildasm ...more >>

Is there any setting (software/hardware??) to allow more requests to be processed by asp.net process.(I was monitoring ASP.NET Applications Object and Requests Executing counter.)which constantly showed requests are being queued up. TIA Vani...more >>

Can anyone point me to a reference of applications and their Windows NT Performance Counters? Specifically, I'm trying to compile a list of products and their related counters so that I can say, "So you have SQL Server 7.0? Then you probably have these 15 counters defined." Jerry Negr...more >>

Hi ! Does anyone know when there will be a faster implementation of Sorting in c#, because sorting of only 300 Strings is extremly slow. And implementing sorting for objects via CompareTo is also much too slow because you have to cast the object to access the member which is to be sorted. ...more >>

Hi all, I have an ACT project setup with a test that seems to be working, based off a recording. However, I don't want to perform a *simulation* of http requests, I want *real* http request/reqponse. ACT seems to only *simulate* playback of my recorded clicks and navigations. Do you know...more >>

Hello! I have following developing environment: Visual Studio.NET 2003 ..NET Framework 1.1 local ASPNET account exists Windows XP Professional All worked perfectly for months. Since yesterday opening IDE (Start -> MS Visual Studio.NET 2003) WITHOUT loading any file or project or sol...more >>

Hello, I recently wrote an app for my PocketPC. One day, accidentally, I ran it on my local computer, and it displayed an exception. Out of curiosity, I click Visual Studio .NET, and when it opened, it displayed all of my code. Is this because of .NET, or because I developed this applic...more >>

Greetings, Has anyone written or come across a windows form control for viewing performance monitor data? Thanks....more >>

Is there a draft implementation of the FastTCP protocol? Has anybody implemented this in C#? Its there crying to be used in p2p. ...more >>

Does the JIT perform the following optimization? unoptimized loop check.. foreach(MemberInfo mi in mia) { if ( ( (mi.MemberType & MemberTypes.Field) > 0)) && ( (mi.MemberType & MemberTypes.Property) > 0 ) ) { // do something } } optimized... MemberTy...more >>

Hi! I'm looking for unit-testing tools for .NET. Somthing like Java has --> http://www.junit.org regards, gicio ...more >>

Hi was wondering if any knows where I can find code example that recreates the data import wizard in Access (or something similar)... this wizard lets the user select the data separator, select the columns that should be imported and even map the columns to the dabase table column names. The pr...more >>

Hi! I'm very interesting in when to use exactly the StringBuilder? For example for something like this?: String strTest1 = "This"; String strTest2 = "Test"; StringBuilder stbTest = new StringBuilder(); stbTest.Append(strTest1). Append("is a "). Append(stbTest); can someone provide s...more >>

Hey Does the JIT perform this optimization? old unoptimised even or odd test using modulo if ((someVal % 2) == 0) // even else // odd optimized code if ( (someVal & 1) == 0) // even else // odd ...more >>

Hi there, I think I found a critical bug in Studio .net 2003. Try this, Create a Form. Create a Panel within the Form. Create a Button within the Panel. Now set the Button's Location.Y property to a value that it becomes above the panel's visible area, for example, set Location.Y to -30...more >>

Hello, I have an application that references about 40 assemblies (approx 80MB in total). I've installed the application on the network share and given a client PC full trust access. When I launch the application from the network it takes approx 4 minutes to startup, I've done network tr...more >>

I need some advice on this. I am working on a fairly complex calculator app (C#) with lots of functions (and these functions in turn use math functions from an unmanaged C DLL). A calculation takes a lot of time (up to hours), and should run on a separate thread from the one that the GUI uses. Th...more >>

I have been investigating the Microsoft Enterprise Instrumentation Framework as a flexible logging solution for our software. In addition to logging, we need to have performance counters for ongoing monitoring by the operations staff. It seems to me that performance counters can be thought of as...more >>

hi, to sort ma objects i implement the Method CompareTo.It looks like this: public int CompareTo(Object obj) { return this.Name.CompareTo(((Ort)obj).Name); } well, sorting a few thousand objects with this it's much to slow. the app can't wait for so long to start. if i implement the Co...more >>

Hello, Can anybody explain me the difference between the meaning of the parameter configuration of the machine.config file maxWokerThread and maxIOThread? If an http request has to access to bd or web service... needs two threads to attend it, one worker thread and another ioThread?? P...more >>

How will the compiler / JIToptimise the following? for (int i = 0 ; i <= (stop - start)/step ; i++) { if (a = Axis.X) { g.DrawLine(blah } else { } } Would it make the test outside the for and save checking f...more >>

Do they affect performance of an app? ...more >>

Every method I can think of for sorting a directory by file modified date is very slow, as it appears that the .NET libraries need to do an Open & GetInfo on every single file entry. I've tried building an array of .FileModified dates to use for the sort, and also using .GetFileSystemInfos to ...more >>