I am very new to C#. I have a block of code (a web control) that I want to include a file. In my mind, I want to include it in-line, like php would include a file -- execute any code and then render html. But, i've been reading and it sounds like thats not the case with C#. Im not opposed t...more >>

I have a form with about 25-30 TextBoxes, ComboBoxes, etc; if the user does not make any changes to the form I don't want to post a "Cancel Changes?" dialog when they exit the form ... so this is what I'm doing to detect changes: // this gets called from the Form_Load event han...more >>

A simple dialog that pops up after a menu choice "Set Values..." (for example), should it inherit from System.Windows.Forms.Form or simply from System.Windows.Forms.CommonDialog? Problem is that I can hardly find examples on the latter...more >>

Is there something in C# that is similar to Java's Thread.yield? Currently I am using the 1.1 framework. ...more >>

I'm developing a WinForms application. It slowly eats up memory, one client reported that it took 200MB or more, and finnaly crashed. I myself noticed it's common to use up 30MB memory, but if I minimize it (all the Forms will Hide, only a NotifyIcon is shown at the System Notification Area), th...more >>

I've already got the code written but for some reason, when i click the button, nothing occurs. Here is the code. using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using Sys...more >>

Hello, I have the following problem while working with files in asp.net (c#). Here I create a new XML File with an xslt transformation: xslt.transform("source.xml","dest.xml"); when I know want to work with "dest.xml", for example do this: doc=new XPathDocument("dest.xml"); ...more >>

Hi, In the follow program I would like to have the parameter "c" in method "doSomething" as a value parameter, but it's running as a reference parameter. Why? How can I get parameter "c" as a value (or clone, copy)? Current result: value1 value2 Expected result: value1 class Progr...more >>

I've created a Download Manager application and I'm having a problem with some clients where for whatever reason, the remote connection is forceably closed (whether on the client side or server side I'm not sure). What I want to do is catch the specific IOException that deals with the that on...more >>

I have two List<Order> and List<OrderDetails> Order looks like this: { int orderID List<OrderDetails> details orderTotal orderDate ... } I have a List that contains ALL OrderDetails and looks like this: { int orderID Details details ... } What I'm looking to do p...more >>

Hi All, I have a form containing only a PropertyGrid that I use to modify an instance of the following class: class MyClass { Point _point = new Point(); [CategoryAttribute("Drawing")] public Point MyPoint { get { return _point; } ...more >>

Hello, Is there a native way to convert the UNC path to DOS drive path other than using wnetgetconnection? I hope it is there ... Thanks ...more >>

Dear reader of this message :) ..NET 2.0 I want to add some code to an event on a TreeView control I got on a form, which is triggered when a treeviewitem get selected what event should I use? And also how do I get a reference to what TreeViewItem has been clicked in this event? ...more >>

Hi, I have a form that I need to place 3 buttons on. I would like the 3 buttons to call the same method, perhaps with different arguments. In Powerbuilder, I could create a visual button object and code for it, then inherit from that and place it on my form/window. Does C# have anything ...more >>

Hello! I was working on some code the other day, and I came across an odd discrepancy between the decimal and the double type. If I attempt to divide a decimal by zero, the framework throws an error. If I attempt to divide a double by zero, the framework returns infinity. From a mathemati...more >>

Hi Everyone, Is it possible to link more than two tables together? My sample that works perfectly fine (but only the two links) is as follows: DataRelation TableDetail = DB_DataSet.Relations.Add("EMPLOYEE_ASSIGNED_LEVELS", DB_DataSet.Tables["EMPLOYEE_ZONE"].Columns["EMP_ID"], DB_DataSe...more >>

We are migrating a large app to .net. There are many forms and there will be many, many icons. What are some suggested techniques for more or less sharing imagelists (easy enough), BUT without giving up the design time experience. jeff ...more >>

My database contains multiple languages such as Englisg, French, Chinese, Japanese...(16 languages). Can any one tell me how I can detect which kind of language is saved in a column without any additional flag by program? ...more >>

Can anyone fill in the gaps in my understanding here and explain why I get this compiler error? Can I not use an interface as a generic type in an interface? Below are contents to reproduce the problem. It seems that I'd have to declare an empty constructor in the interface, but that cannot...more >>

Hi, I have a dataGridView in my win Form, and i get some information from my DataBase (sql) into a dataTable. I tried and tried and i can't display my result in the dataGridView. in addition, I also want to edit the columns (change the headr and size), i know i can do it with the column...more >>

Hi, folks! I read somewhere that the decimal variable type uses 128-bits in memory for each variable. However, I read from other sources that the decimal type only uses 96-bits to store the number. Does anyone know the real number and why there might be a discrepancy? TIA... ...more >>

I am using CFormView and CWinFormsControl in C++ to show a C# control. The control includes a toolstrip container and various toolstrips. If all the toolstrips are hidden (visible = false) on any of the container's panels, a mouse click will cause a stack overflow. The problem is in the PreTra...more >>

I have a two classes, first named "ModCon" has procedures written for connections and the second named "ModRes" contains functions and procedures that can be reused. For my question it is important to add sample codes of the two classes and later the code from a Form's button click event which i...more >>

Hi All, Currently I am writting an application around safe travel, as part of the system I need to store timezone information and also specific time zone dates. So, I use TIME_ZONE_INFORMATION tziNative; TimeZoneInformation[] zones = EnumZones(); Na...more >>

Hi I have two constant integers and when I try to compare their values, I get error: Operator '==' cannot be applied to operands of type ... Here is a cut down version of my code public class MY_CONSTANTS { public const int FOO = 1; ... } MY_CONSTANTS m_value = MY_CONSTA...more >>

Hi. Object serialization is a complicated issue that has few (good) solutions. In languages such as C++ and C# the programmer needs a way to unserialize an object to the type it was originally created. This usually involves some (often convoluted) lookup method that requires all the sub...more >>

if (e.Clicks > 0 && e.Button == MouseButtons.Middle) { f1.NewThread = new Thread(new ThreadStart(f1.ShowMainNodes)); f1.NewThread.Start(); } private void ShowMainNodes() { API.POINTAPI ...more >>

I tried following code but it generates error at line (using .....): Error 23 The type or namespace name 'TransactionScope' could not be found (are you missing a using directive or an assembly reference?) ===[CODE]======================================== private void cmdProceed_Cli...more >>

I wanted to move to working with dotnet 3.0 and im having trouble documenting exactly what i need to install I have two development machines i use on XP 1. Visual studio c# express 2005 - instaled sp1 update - installed dotnet 3.0 runtime distributable - installed visual studio 2005 e...more >>

Hello! I will create a window service but wonder if a good solution is to start with a console application or windows application with forms even when I have no output to produce. I might use output in debug purpose and when this console or windows forms application works as expected I just co...more >>

>From the below given codes used to insert a record in a table, which code is well-optimized and must be used. Please also let me know why it is better. =======[ CODE 1 ]=========================================== public Int32 InsertNewRecord(string myQuery) { obj...more >>

http://msdn2.microsoft.com/en-us/library/system.net.ipaddress.parse.aspx .... states that you can call .Parse() with a single integral argument (as a string); "A one part address is stored directly in the network address." (The example in the table included states that 65536 converts to 0.0.25...more >>

I wonder How to know immediately when the tcp/ip is dropped. I need the some Event when that is occured ...more >>