Is there a PerformanceCounterType I can use for tracking the duration of a process? For instance, something like this: counter.ProcessBegan; myProcess(); counter.ProcessCompleted;...more >>

Hi, is there a tool that is able to show references to given object? CLR Profiler shows me who allocated it, but I'm unable to find out why it survives gen 0 collection without seeing who keeps reference to the instance. Thank you very much. Regards, Ales ...more >>

Hi, I have just installed Visual Studio.net 2003 Enterprise Architect. I have been using Visual Interdev so far, and I am used to be able to select from a desktop bunch of .asp files, drag and drop them into a Project Explorer window and have it show there as a tree of files. Is there some se...more >>

This n-tier .Net 1.1 WinForms app I'm working on starts at about 37 MB on startup, As I use the app: view crystal reports, perform queries, load various forms it grows to over 250MB! It eventionally becomes so slow & unresponsive (due to thrashing) that you have to exit the app & restar...more >>

I have a dotnet application that allows users to upload images. These images are stored in separate folders like this: E:\images\{first 2 letters of user ID}\{3rd and 4th letter of user ID}\{user ID}\user-image.gif This is to prevent overloading of too many files in one particular director...more >>

Hello. I've tried to profile ws client with CLR Profiler and I'm surprised with results. Calling simple method which echoes string that was sent to it 1000 times causes allocation of 33 MB (ok, not a big deal ;-) ), what is worse that over 8 MB was rellocated (most of them byte arrays and s...more >>

Since strings are immutable, isn't this code: Dim sr As StreamReader = New StreamReader("TestFile.txt") Dim line As String Do line = sr.ReadLine() Loop Until line Is Nothing causing the string object 'line' to be constantly ...more >>

How do you deal with the lack of the "const" qualifier in .NET? For example, I have a class which contains as member data a huge XML tree: public class MyClass { System.Xml.XmlDocument m_xml_document; } I want to have an accessor, that lets users of this class *read* the document bu...more >>

I am trying to find the most efficient method for designing. We have several pages with dependent dropdowns. Currently what we do is whenever user selects item in one dropdown then we go to the database to re-populate the values in the second and third dropdown. And when user selects the second ...more >>

In a simple .NET application, I create a Hashtable that add 1000 entries to it. In Task Manager, the memory usage for the .NET process spikes up (understandably). I now remove all the 1000 entries from the Hashtable. The memory usage does not go down. I understand this also. This is because ...more >>

I've managed to create a performance category with a single counter in it. I then try to create instances of this counter, but when I go into perfmon, I can't see any instances. And the category itself says it hasn't got any instances when I call GetInstanceNames() on it. What am I doing ...more >>

(Type your message here) Plz explain vb.net connection with oracle? -------------------------------- From: chachan cc ----------------------- Posted by a user from .NET 247 (http://www.dotnet247.com/) <Id>pN0ENFXXO0ydbe049LygQg==</Id>...more >>

I hope someone can provide some insight here. I'm trying to determine the best method of retaining and passing around data that has been read from the database. One thought is to Inherit From DataRow and provide type-safe methods, another is to create a dummy class that has nothing but publi...more >>

I am looking for a way to automate some of my printing tasks, which I would be able to do if it were not for this problem. I have a directory (which I know the name of). In this directory is a bunch of subfolders (which I DON'T know the name of- unless I actually open the main directory). Each o...more >>

I want to write a HTTP proxy with C#, but I am unsure if it will scale; I need to handle at least 5000 simultaneous users per server. The servers can be MP with 2GB ram, that isn´t the issue. I will be filtering the http streams for keywords, so there is a processing load there. ...more >>

Hi! I have a slight problem with my application. In short, it goes to database (Oracle) executes a view, returns on an average less than 1000 records. Then my app has to read an xml config file that describes how each column should be formated before outputed to a text file in a fixed length ...more >>

Hi, I've got an application, which has the following performance counters: ..NET CLR Memory\# Total committed Bytes = 12 MB ..NET CLR Memory\# Bytes in all heaps = 2,5 MB. This means, that about 10 MB of memory is not used, but allocated. Due to memory limitations I would like to let the mana...more >>

Just installed .NET Framework 1.1 and VS.NET 2003. Wrote a simple = program: [DllImport("kernel32.dll")] public static extern int GetTickCount(); int a =3D 0; private void someMethod()=20 { a =3D a + a; } private void button1_Click(object sender, System.EventArgs e) { int ...more >>

Summary: System.Net.ScatterGatherBuffers.MemoryChuck allocates inordinately large byte[]s when sending large post data. The following application consumes inordinate quantities of memory. My code does not explicitly allocate memory in a loop nor does it explicitly allocate large blocks of ...more >>

Hi, I have to pass large objects (class intances) to SQL 2000 DB. The objects usually contains ArrayLists of other objects (also classes intances). The objects are returning from the client and some of their data was maybe modified by the user. The final update is being done using stored proc...more >>

Hello, I am traying to open a huge file, just I want to open it. This is the code that I am using. I am using Visual C++ 6.0 compiler. main() { char *path1= "C:\\Reconstruction\\quad_HIDAC_data\\Test_File.lst"; char buffer[1024]; fstream fin; // object from fstream class //f...more >>

I'm not sure i'm posting the question in the right grp..if not pls redirect me to correct location.. Here is my problem.I know that by producing the native image of an assembly ,i can reduce the startup time and i experienced that with a sample windows application. And I tried the same with...more >>

I have placed Trace.Write() at the begining of the Page_Load method. Here is trace log: aspx.page Begin Init aspx.page End Init 0.005577 0.005577 aspx.page Begin LoadViewState 0.005611 0.000035 aspx.page End LoadViewState 0.005702 0.000091 aspx.page Begin Pro...more >>

Hi Everybody hai i am fine what about all of u? i have a problem regarding to ASP.NET custom control , can anybody help me? my problem is when i placed my custom control on page at design time i am not able to select the child control of my custom control,how can i do this second thing how...more >>

1º. Is there a limit for threads on Windows? I have created a test program in vb.net and it seems as if after 160 threads it stalls and does not create new threads. WTF? Natural question I expect is "why in gods name do you want to create hundreds of threads?" I might be wrong and it migh...more >>

If I programatically delete and recreate my performance counter categories with each application session, I'm unable to call certain methods on the actual perf counters themselves, like NextValue() -- these methods throw an InvalidOperationException with "Category not found" as the error messa...more >>