I have written a server application, that will eventually be deployed as a windows service. Currently, I am testing it as a console application. I have a main thread that gets requests using remoting, and then spawns worker threads (currently limited to 4), which run a long running non-linear...more >>

When working with strings does the StringDictionary give any performance advantage over HashTable? Does any know if StringDictionary and HashTable use the same algorithm to perform searches? ...more >>

Hi guys What would be the most effcient way to use a huge in-memory string array? I have a need for around 1.000.000+ strings of more or less the same size; 30-120 bytes each. I do not know the size in advance. The code adds rapidly strings to the array, so access to the array should be t...more >>

We have a typical client server windows application written in C#. The ADO .Net provider(third party, not microsoft) resides on the client workstation and communicates to the database server over the network. Data from the server is fetched using ADO.Net and then mapped into application e...more >>

hi all i just want to know which approach is the best.. i frequently access some variable informations.. i have virtualdirectory (hosted remoting in IIS) i have appsettings.. keys and values which approach is the best in accessing the key and values.. System.web.httpcontext.current...more >>

I have a long-running process that I need to run on a client's server, and they keep having to reboot because the application is eating up too many server resources. Is there any way to throttle the CPU usage on the application to only use X% of the CPU? Ideally I would want to run at 40% or s...more >>

I declare a private variable of type string in a Transacted Class whenever I use it to save some string it always have the nothing or not initialize I tried it to initialize in the constructor but result is the same code is given below Imports System Imports System.Data Imports System.Data.Sql...more >>

i had a problem whom i do not know how to explain. i was using a TcpClient (System.Net.Sockets.TcpClient) object to send and receive data to an AS400 socket. Two months ago it started to work slowly, about 4 seconds between send and receive. In our production environment with hundreds of tr...more >>

Hi! I would like to simulate the Client/Server Desktop application= for 100 users=2E I would like to know that which tool is ideal to= test the same=2E I would appreciate, if anybody can guide me on= this for the same as soon as possible=2E Below I am giving our= Environment=2E OS:- Window...more >>

(Type your message here) when i run a project, which pulls data from DB2/AS400 and creates= an xml file and then passes to a crystalreport to export to pdf,= the aspnet_wp=2Eexe process is using my 99 % oa CPU=2E it pull a= bulk amount of data and the size of the xml file is more than 5= mb...more >>

I have a web app that has some memory leaks. In the .aspx.vb modules I use... Dim objInfo As ProcessInfo = ProcessModelInfo.GetCurrentProcessInfo and then interrogate PeakMemoryUsed and this helps. However, I have some business components that the web app uses - classes that inherit from ...more >>

I have the following code which is running in every Page_Load of my ASP.Net app. It basically will add rows to a table upto MAX_CACHED_ITEMS and then will flush all the cached items to the database. Do you foresee any concurrency problem? or any performance problem? private object lockObjec...more >>

I have a method that uses the GetString method from the ResourceManager as shown in the following code snippet below. ------ System.Resources.ResourceManager rm = new System.Resources.ResourceManager("embedded resx name", System.Reflection.Assembly.GetExecutingAssembly()); rm.IgnoreCa...more >>

Hello NG, i have here a functon wich I use to restore a certain state of a DataTable. Its working but you might find some points where i could get better performance. With MS SQL Server this funktion is fast enough for me (it takes for a DataTable with 10000 Rows about 1-2 seconds... But if...more >>

Hello everyone, I have searched around and could not find any solution for my problem. I realize the once in a while or when I upload some upgraded dll and I refresh the screen, I get a NullReference Exception on my web application. I dont think it is anything directed to my code, beucase I ...more >>

I'm doing a bunch of x/2 calculations in a tight loop where x is an int. Does that automatically get optimized as >>1? Is there a difference between /2 and >>1 when working with ints? I prefer the readability of /2 but will use >>1 if it's slightly faster....more >>

I have a series of select queries that use the nesting method but are creating such a huge query that the server can't handle it. The IN section in some cases are so large that I can't even troubleshoot it in Query Analyzer because it's larger than 64k. Is there another way to write: SELE...more >>

Hi, Consider a server which receives delimiter based string data from client. It needs to process this data very fast. Now if its built in C++, one obvious idea would be to put the string on heap as char* and then pass the pointer around, delimiter separated fields will be accessed via po...more >>

Just by guessing, I think .net memory heap should be faster than Win32 heap, because .net memory heap is newer than Win32 heap architecture and have a performance requirement that should be capable of high count of new and delete operation. Is there any rough comparison information? Please ...more >>