Hey Folks, I know this is taboo but we have a long running highly availble app that is being affected by the garbage collector. In .NET 1.1 there were issues because of the aggressive GC and under 2.0 it appears much worse (i.e. the garbage collector is even more aggressive). We have no...more >>

Hi, I have 2 radio buttons on my Windows form control. The radio button's CheckedChanged event disables or enables other controls on the form based on the value of the Checked property. When the form loads, I want to check off one of the radio buttons. So I put the code to check off m...more >>

im having a hard time creating a timer in vb.net.. the program should run this way: the timer should only start when you press a button then stops when presing it again.. my problem is that, how to make an output that will sum up all of the time spent.. could you please provide me a sample co...more >>

Hello, Does anyone know of a third party ad rotator that automatically changes the images? It seems like the ad rotator in that comes with Visual Web Developer changes images only when the pages is refreshes. Is that correct? Thank you and God Bless, Mark A. Sam ...more >>

I am writing an application that simulates a TCP device that only accepts one connection at a time. For my application, I would like connection requests to fail if one already exists. So far I have the following code: IPAddress ip = Dns.Resolve("localhost").AddressList[0]; Socket s = ne...more >>

We are using a VB6 COM dll in our C# application. Is it possible to create an interface on the VB6 side that our C# application would implement and pass back as a parameter into the VB6 app? I understand the VB6 app would need changed. Where would I find a sample if it is possible? Than...more >>

I'm trying to generate a typed dataset from an XSD, yet if I add more than 90 columns in the XSD I don't see any of the public methods on the type datatable object. I can replicate this easily and consistently in several projects. Is this a known limit? -- John Mark Howell Blog: jmarkho...more >>

hi, I'm trying to pass a List<double> array from C# to a C++ class library but I get the following error: "No overload for method 'zzz' takes '1' arguments" My C++ method in the library has 1 argument: zzz(List<double> x) and i'm calling it from C# with: List<double> test = new List<do...more >>

In .net when and how are public variables initialized - for each new user session or for the application as awhole? Do all users get the same info in public variables? If a userA signs on and public variables are set to values, when userB signs on, does he get a different set of public varia...more >>

I am having some strange problems with using the GetLongPathName API in a ..Net app that I am writing. Simply put, the app runs a process (invoked from a dialog) that writes out temporary files to a scratch workspace. For reasons that would take to long to explain, I am given a path to the s...more >>

I have a piece of code where a need to look for specific patterns in a string. Because there are over 20 patterns I want to place these in a string array for quick access if(myValue.IndexOf(myArray)!=-1) { //Replace this pattern with a value from another array } I tried doing this in...more >>

I'm attempting to close EXCEL from within my VB.NET application. Using the excel object library to write data to my spreadsheet is working fine but when I try to quit application object it does not work. I know this because I can still see the Excel application running in Task Manager. How ...more >>

Hi, I've got a rather old DLL that compiles properly with the 'Multi byte charset' option under VS2005. Now, I cannot call any functions of this dll out of a VB .net application (would need 'Use Unicode' option for that..). As I do not want to rewrite the whole application for unicode usage...more >>

Hi, I'm writing a .net windows service that makes use of some C++ Dlls (written by myself) - actually it calls some functions that are declared as exported functions in the *.def file. Now, when I start the service, I receive a DllNotFoundException saying that my dll was not found - alth...more >>

Hi, I just created a new .net windows service that makes use of some performance counters in its own category. Unfortunately, when I run installutil.exe on the service binary to install, the category is not created, nor are the performance counters installed...any ideas why? (service is of ...more >>

When I connect any device (digital camera, USB Memory stick) to the USB port , i cannot get the device to function. It will create the 'Remove the USB Device Safely' popup however. In device manager all the USB related items are running properly. It just doesn't open up the usual selection me...more >>

Hi. We are developing an application in VS2005 in C#, .NET, that has lots of tabs. On one of these tabs, there is a horizontal trackbar. However, we are unable to set the background color of the trackbar to trasparent. The best would by transparent . Becouse the tabs are gradiently colored....more >>

Hello, I'm writing an class library that I imagine people from different countries might be interested in using, so I'm considering what needs to be provided to support foreign languages, including asian languages (chinese, japanese, korean, etc). First of all, strings will be passed to ...more >>

I am looking for patterns for a distributed .Net application for a small retail chain. The owner wants the stores to have access to all data (no matter which store it comes from) in real time. In the case of an internet outage, the store owner would like for the individual stores to still ...more >>

Hi, With my VB.NET 2003 application I want to generate reports in Word 2003. I should be able to: - use eventually some template (with the header of the company etc) and ad my info to the document - be able to add an image - be able to add and fill tables But all of this should have a fl...more >>

Hi All, I want to capture a word which is in certain range from another word only if a third word is not between them(anywhere in the range). Regex r = new Regex(@"(FirstWord.{1,25})*((?<!ThirdWord\s+)SecondWord)"); So it works fine for a string like this FirstWord ThirdWord SecondWo...more >>

Provides EDI communications for medical billing Robert ...more >>

Hi, Are there any cool controls that would allow me to automatically resize and repositions controls on my form when the form is resized at runtime? Thanks in advance. ...more >>

When I go to http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=a8f5654f-088e-40b2 -bbdb-a83353618b38 there is the dotnetfx Installer for v1.1 Service Pack 1 for download. It seems to that this download does NOT contain (cumulative) v1.1 (without SP). Is there another...more >>

Hi all, I have a DataGridView control in my Windows Forms application. I am binding it to a DataTable in another assembly. The name of the assembly is ActivityListDALC. I want to bind my grid to ActivityListDataSet.ActivityListDataTable in this assembly. I selected this DataTable in t...more >>

A windows service that I developed is crashing unexpectedly. All the logging/ tracing that I implemented cannot seem to catch the crash. I am using multiple threads in many different areas. In the event log I am getting a 7034 error. "Service terminated unexpectedly." Here is the questio...more >>

Hello, I am trying to create reports with a customized look. The data will come from a database but there is a lot of data and i don't want to put a load on the datbase. Is it possible to load the data and then create datagrid, pouplate fields in tables, etc? Thank you in advance, S...more >>

Hello, I am trying to write a function that returns two values but I can't figure out the syntax or if it's even possible. Private Function CTXScanner(ByVal mfSvr As String, ByVal xmlstr As String, ByVal xslstr As String) Try For Each HotfixItem In M...more >>

Hi All, I'm looking for some simple examples of using the CodeDom. While the ones that I have found have been very helpful, I can't seem to find the following: How to add a control to a form. How to add an event handle to that control just was just added to the form. If anyone has any...more >>

The .NET WebBrowser control in the Compact Framework 2.0 is a major headache. Once it takes the focus (e.g. by the user tapping on it) it keeps it and keyboard events are not passed to the form anymore even though KeyPreview is set to true. If there are no other controls on the form we don't ...more >>

Alright..I've found lots of info on this error and most say assign System.DBNull.Value, System.Convert.DBNull, or System.Data.SqlTypes.SqlDateTime.Null to my stored proc param and the problem will be solved...NOT. I suspect all of these are the same thing, however, none solve my problem. What ...more >>

What is the real-world value of having a university degree in computer science? ...more >>

I am using Visual Studio 2005 on Windows Server 2003 (Virtual Server). All service packs are installed. I first had this problem when trying to distribute an application for testing so I then created a simple application to try and narrow down the problem but to no avail... I create a simpl...more >>

Or for that matter any version of .NET framework? What I find ironic is the push for "portability and flexibility" yet I don't actually see it in the real world. Is anyone (not just Microsoft) actually working on a .NET framework for anything other than Windows platforms? If so, where can...more >>

Hi, We had an existing application in ASP.NET 1.1. After migration I tried to utilize MasterPages. The test showed that format for most of labels is treated differently e.g. TextBox'es are much toller, Label's do not have fixed length as they used to, etc... After some testing I discovere...more >>

So far twice while playing guild wars my computer will stop and the screen goes blue no message just blue just installed a new video card Radeon 9800 and the drivers are new and good.Card is instelled properly I believe what could be the problem. Any help would be greatly appreciated....more >>

Does anyone know how to create an image (JPEG) from an HTTPResponse object? I am working on system that has a map pop up from our GIS department. I want create an image at runtime from this popup and display that image on the main page instead of opening a new window. This image will be a memo...more >>

I believe it is a feature in VS 2005 you can write VB and C# in the same project. It is ture if the project type is a web project. However in a libary project that compile to a DLL, once I select a language to start up, I cannot have a class of another language compiled. Anyone know is it ...more >>

I have been unable to locate an answer for this question because (1) it is late in the day and my eyes are tired of looking at code and documentation, (2) I am new to this area of the .NET framework, or (3) a combination of (1) and (2). I am looking at using messaging in an application I am...more >>

I need to resolve Windows special folders. From what I have read it would seem that using CSIDL's and SHGetSpecialFolderPath and SHGetFolderPath was the way to accomplish that in VB6 and VB.NET. Is this still the best method in VB 2005? If so does anyone have a working example of how to dec...more >>

I think I'm going nuts... Put a scroll bar control on a form and in the form_load method, initialise it as follows: vScrollBar.Minimum = 0; vScrollBar.Maximum = 10; vScrollBar.SmallChange = 1; vScrollBar.LargeChange = 10; vScrollBar.Value = 0; vScrollBar.Visible = true; In the vSc...more >>

Hi All; I am looking for an editable drop down control that can be used on a web page using ASP.NET. The reason I need an editable DDL is that on my web app. (using ASP.NET) I have a DDL that has a list of materials, if user cannot find the material that he/she wants they should be able ...more >>

Hi All, I've been using the original (non-event based) asynchronous design pattern using delegates. It works fine but performance wise I know using the ThreadPool is supposed to be far better, so I wondered if anyone had any examples of the best way to do this. I've obviously had a look mys...more >>

I have a routine that logs on to an FTP server, and tries to get the filesize, to determine whether the file exists or not. I am getting inconsistent behavior between 2 internal ftp servers; one is a windows2003, the other unix. The attached code shows what I am doing. If I log to the window...more >>

Hello! I need to get the user groups in a machine, because i need to verify dynamically what's the name of the group "Everyone" in different windows. For example, in windows in portuguese the name of the user group "Everyone" is "Todos", so i need to know what's the name of this user group....more >>

Hi, I am working on an app that will display the list of all scheduled call records in our database to the users. All users of the application will see the same list of call records and will select any record and try to call the contact person for that record and edit the record. Now, my q...more >>

MS Virtual Server 2005 (not R2) with .Net 2003 I created a Console App and A windows form both with Timers in it. For the console i used system.timers and the windows form i used system.windows.forms.timers. Now for the problem, with both Apps the timers will stop for no reason. I mea...more >>

Hi, I got stack overflow errors while using an unmanaged dll from managed c# application. When i use editbin.exe to increase stack size of app , it works. Is there a way to increase stack size of app (or most probably Clr) so that app starts with a larger stack, like using the old /F switch i...more >>

I have a VB.Net 2005 solution that uses an installer project to install. When I do an install I would like the app.config/application config file to be installed only when there isn't one already on the users workstation. I don't want to overwrite the settings every time I update the applicat...more >>

Hi All; I am trying to find a way to make my locked control more visible on a web form. When I lock a control and display it on a web form (ASP.NET) the control is barely visible and it is hard for users to see it. Is there a way to make the control bit more visible? A locked control on...more >>