Hello, I'm working with .Net 2.0. I tried to get attributes of an unloaded assembly. So, the sole way I know is to create a new child application domain, in this app domain I load the assembly, read out the attributes, and unload the child app domain. But in this moment, I load the assembly int...more >>

Hi, I'm tyring to display data on my gridview but when the data Exceeds "154161" record the gridview doesn't display it..!!? Cheers ...more >>

Hello! I am writing an application that would like to make use of a thread message queue, like the one provided in MFC. In MFC, the message poster calls the function PostThreadMessage. The receiving thread receives the message and process it. Therefore, the caller and callee thread are diff...more >>

Hi there, This question might be silly to you, but anyway... How can I move a control at runtime? Object.Location.X = 48; doesn't seem to work. Do I really need the code "Object.Location = new System.Drawing.Point(48,...)??? thnx ...more >>

I have a bunch of enumerators. I need to pass them into a function that is designed to write all values of any enumerator to the console. For instance... public enum Days : int { Sunday = 1, Monday, Tuesday } public enum Colors : int { red = 1, blue, green } ...more >>

Subject: Problems with Interop in C# We are having problems using Interop with a Vb6 ActiveX Dll in C# code in Net2 using Vs2005. Below are the signatures of the method that is the problem. It is the last argument (e.g., "out obj" in C#) that is returned corrupted. It should be an array of...more >>

Hi all. I ran into quite strange problem concerning the event raising inside FileSystemWatcher Delete event. First, i would like to describe a bit my environment. I have main GUI application, which uses other class libraries. One lib, called Utils.dll contains custom collection implemen...more >>

Hi, I'm using Visual studio 2003. I was wondering if there was a way to freeze the first 2 rows of a datagrid. So if the user scrolls to the last datarow is there a way for the user to still be able to view the first 2 rows? Something like Excel's freeze rows.. thanks -ZS...more >>

Hi, Does this bit of code represent complete overkill?! try { //create a treenode TreeNode tn = new TreeNode(); //add it to a treeview tv.Nodes.Add(tn); //do some other stuff } catch (Exception ee) //something weird has happened { try { //try to remove the tre...more >>

I have 2 list boxes bound to a database. The 1st list box displays services ordered by the customer. I want the 2nd list box to display services not yet ordered by the customer. For example. My services are A, B, C, D and the customer has ordered A and B. List box 1 should show A, B List...more >>

Hi, Is it possible to get the current loop index in a foreach block ? -- rgds, Wilfried [MapPoint MVP] http://www.mestdagh.biz...more >>

Hi guys, I have a problem with the DataGridView. I want to catch the value of a cell when the user is editing it. Actually, I can't figure if there is an event or a property to get this value. For example, when the user type something on a cell, I want to display what he wrote on another...more >>

I have been using VS-C# Express for a little bit, and I have a project that I want to "clone" so that I can make changes without affecting the original version. I would like to be able to make a new project, but keep the code & whatever else is necessary from the old project. When I tried this...more >>

Hello I've got a DLL from a 3rd party vendor and they wrote the DLL in C++ so I can't just easily add a reference to it. How do I add that dll, to my C# application? Any idea, examples? ...more >>

Hello, I have come to like just about everything in VS2005 except for the "partial class" feature. Sometimes when I add a control to a web form, it is not referenced in the partial class [no Intellisense]. Before VS2005 I could simply add my own reference, now I can't. Where can I find the ot...more >>

Hi all, We have noticed that using the Word OLE is much slower on dual processor machines. Limiting the processor affinity to one processor helps. So, I want to set the affinity in my C# code. I succeeded with the following code: oWord = new Word.Application(); Process[] wordProcesse...more >>

Hi, As far as I know, a class library project cannot have any app.config dedicated to itself and it always depends on the main application to provide the .config settings. Based on above, I am confused when I see that VS2005 adds an app.config file upon I add a web service to my dll cl...more >>

Hi, I want to delete rows from my database. So I download them to a dataset, and then discover the following. This does not work: dataset["tablename"].Rows.Clear(); dataadapter.Update(dataset, "tablename"); This does work: foreach (DataRow dr in dataset["tablename"].Rows) { dr.d...more >>

I was reading about the provider model and found that providers have a definition, the contract, that all provider implementations must have. Is this an example of polymorphic behavior because there is a definition (either an abstract class or an interface) and each implementation has a differ...more >>

I need to write a control for a SharePoint installation that can act as = a proxy for web requests in order to host existing porlets in a = SharePoint window. Basically, I need to be able to initiate a request to a portlet server = including customized information in the HTTP request header. ...more >>

I need some opionions on an issue here... Suppose I want to keep a collection of objects, each need to be uniquely identified by a number. This number has no meaning as long as it's unique, so it should be automatically generated for each new object. One more requirement is keeping the objects i...more >>

Given the two following structures: [StructLayout(LayoutKind.Explicit, Size=16)] public struct Articulation { [FieldOffset(0)] public byte typeDesignator; // 1 byte [FieldOffset(1)] public byte changeIndicator; // 1 byte [FieldOffset(2)] public Unsigned16 attachmentID; // 2 by...more >>

what's the trick in showing/hiding columns in ListView's Details view mode? I can change a columns width to 0 and it effectively makes it disappear but then you can actually resize the column to bring it back into view. Is there any way to disable resizing for just that one column? Any o...more >>

Hi, God I hate datetime string formatting... How do I get a string of the form "04-Oct-2006", for example, from a DateTime object? Thanks a jillion, cdj ...more >>

I need to display PDF documents in my vs2005 winform app. What are my choices? I can't seem to find a 3rd party PDF viewer control? Is Adobe ActiveX control my only choice? Thanks....more >>

Good morning, I am creating a CMS which I would like to support multiple DBs for its back-end. I have taken the approach of using DBProviderFactories to keep my code flexible enough so that I can switch backends simply by changing the provider and connection strings stored in my App.config fi...more >>

i understand that in csharp "string" and "object" are reference type... For e.g. in this case myString is passed to a method and it changes the value of the string.. if string is a reference type, isnt it passed to the method by reference and the second WriteLine should be "edited" instead of ...more >>

I have a text and I need to find a Word that are not enclosed in paranthesis. Can it be done with a regex? Is someone could help me? I am not familar with regex... Example looking for WORD: (there is a WORD in ( my string WORD )) and * WORD * to (find WORD) and * WORD * Should give me the ...more >>

I have a text and I need to find a Word that are not enclosed in paranthesis. Can it be done with a regex? Is someone could help me? I am not familar with regex... Example looking for WORD: (there is a WORD in ( my string WORD )) and * WORD * to (find WORD) and * WORD * Should give me the ...more >>

I am trying to send email using this fucntion can you guys help me finding the mistake I am using my Gmail Credentials and the only exception error I get is Failure sending email Any help is greatly appreciated ===================== MailMessage mailMessage = new MailMessage(); tr...more >>

I have a question concerning nested locks. I just noticed that I have an object declared in my parent class that I use as the lock. But what I noticed is that in one of the childs methods, I lock that object, then while still in the critical section I call one of my inherited methods, and lock...more >>

IF I am making a custom user control which draws stuff that might exceed its boundaries, can I get the user control to handle the scrolling for me? The AutoScroll property doesn't seem to be doing it. Do I have to set some special Size so it knows it's supposed to scroll? Currently by defau...more >>

I want to have a window where there is a strip on the bottom which stays fixed height but can stretch left and right, and always anchored to bottom border. Almost like status bar but it's going to be a plac eI put a bunch of regular controls. Then I want the main area to have a list view whic...more >>

Is there a way to create a chm file dynamicaly? for example merge 2 html files together to create a chm file? or 2 chm files? Are there any c# object that can read the chm file? ...more >>

Hi All, I have a class Transaction in 2 different assemblies having different namespaces totally. I have an ASP.Net(1.1) page. In the codebehind .cs file I references/imports one of those assemblies in using statement and use the class from that assembly. However this page gives compilat...more >>

How do you determine the owning thread of a lock in debug and Visual Studio. This is easy to do in c++ because the critical section has a member variable with the thread ID. I have not found any way to do this in C#. The closest I have found is SyncBlk but this seems a bit complicated and len...more >>

Hi I need to be able to return a string from a VB6 method: Public Sub GetMessageAsParameter(ByRef message As String) message = "GetMessageAsParameter worked!" End Sub which is implemented inside an ActiveX DLL. I need to do this using late binding so I am trying to do it with code like...more >>

I know how to detect when a network cable has been plugged in or out, but how can I detect when an IP address has been received through DHCP? I e how to detect when the small "connecting to network" icon in the notification area beside the clock turns to a "connected to network" icon?...more >>

Hi guys! I use a generic list which, once filled, will not change. It contains a few 100'000 entries, so I'd like to limit its memory consumption. If I set its capacity to its count after filling it, does the extra unused memory (due to its probably high capacity by this time) get freed up do ...more >>

Here's the situation. My program will be able to start with an argument (a path to a file) and then run a batch of commands in that file. So if an argument is provided to the main method, the program logic moves to the classes/methods that execute the batch (instead of s normal, GUI driven progr...more >>

Hi, I am using UDP protocol for communication in my application in C#. I am using UdpClient class. The problem is that sometimes the UDP port remains opened/stucked even if I close the application and restart the computer. Hence, I can't start this port again and I get an exception. So I w...more >>

Greetings, We migrated our application for dotnet 1.1 to dotnet 2.0 and are generating xml files with serialization. These generated files are thus used in a unix batch and here is the problem It seems that before : Header generated in 1.1 <positions xmlns:xsd="http://www.w3.org/2001/XMLS...more >>

Hi£¬ I am new to C#, in Java I can code as following. class MyClass { public static MyClass C1 = null; public static MyClass C2 = null; private MyClass { } static { // init C1 and C2 here. } ...... } How to code in C#, please help m...more >>

Hi, I want to execute (call) an eventhandler of an object. In this case a menu item. I want to see which item is checked and the checked one has to execute the Click event handler, as it was clicked. But I'm a little lost on how to call it. ToolStripMenuItem item; for (int i = 0; i < vi...more >>

I have a public sealed Class A that implements the interface I. Now I want to pass an ICollection<A> as a parameter to a method that takes a parameter of the type ICollection<I> but I get the error: Can't convert from System.Collections.Generic<A> to System.Collections.Generic<I> Shouldn'...more >>

Hi, How to get the USERNMAE of all the process which are running on local /remote system. I have go through the "System.Diagnostics.Process class" but I couldn't find any useful information. It's there any way to get this information without WMI. Apart from this to get the Command Line ...more >>

When I double click the form icon in the solution Explorer It Opens the form with an * in its name tab (and indicates that the form has been changed since last save action) HUH ?!?!? I hadnt had even a chance to change somthing Any1 knows what is wrong and how to solve it?!?! ...more >>

I have installed a hanlder for this event: this.BindingContext[dataSetCurriculumsCourses, "TableInstitutes"].CurrentChanged ..... void FormCurriculumsCoursesInstitutes_CurrentItemChanged(object sender, EventArgs e) { this.Text += "1"; } at runtime just "11" will appeare in the...more >>

I tried to port from VB to C# and now I'm stuck. I couldn't convert the VB line readdata = dt.Rows(0)(data) as C#: return dt.Rows[0][data]; Error detail: Error 1 Cannot implicitly convert type 'object' to 'string'. An explicit conversion exists (are you missing ...more >>

Hello, I want to build a custom reporting engine in .NET. Wht are the consideration and I need to provide the user design facilty at run time. Thanks, ...more >>