Hi, I need to convert a simple string such as "12", to hexadeciaml. What method should I use, because I can't find the correct one? Can someone help me out. Thanks in Advance...more >>

I'm thinking of building a complex data model with a number of nested classes but need to know something first. To simplify my question, let me present you this sample data model MainClass Questions (collection) Question (class) Text (property) Answers (collect...more >>

I have built what I think should be a dialog box. It contains 4 tabbed panes for generating a range of colors. Each tabbed pane consists of a panel with all the widgets on them including the OK and Cancel buttons. These buttons have to be on the panels themselves so that they can create the colo...more >>

Hi, I have a datetime variable. How can I get the date for the end of the month according to that varilable's month and year? Thanks, Alpha ...more >>

All: I have an interesting problem in front of me. does this sound reasonable, or ridiculous? I have to build something that is sort of like a style sheet for Windows controls. Picture a collection of dissimilar value types: a couple of Color types, some ints, some strings etc. I _...more >>

Part #1: I have a Thread, MainThread, and a child thread that is started in the MainThread called ChildThread. I have a DataSet created in the MainThread in which needs to be passed to the ChildThread. The ChildThread needs to update the DataSet with new data. The MainThread, after the Ch...more >>

I have a problem with reading byte[] from a memory stream. Basically I want to resize a image and then store them to sql server. Here is part of the codes. every time I tried to read byte[] from stream, I only got all 0 byte[], I don't know what is the problem. Please help me to check my err...more >>

I'm confused about the relationships between these objects. I've written this: DataSet dsTaskActivities = new DataSet("TA"); DataTable dtTask = dsTaskActivities.Tables.Add("Tasks"); DataTable dtActivity = dsTaskActivities.Tables.Add("Activity"); OdbcCommand cmd = new OdbcCommand(); cmd.Con...more >>

I can drop a listbox on a clean winform form, set the collection with a few strings. they show up fine in desgin, but when I run the app the list box is totally blank. I can set the proper code and I can select say the thrid item in the list and have it show in a text box, so I know the value ...more >>

I am preparing the text of a stored procedure using StringBuilder but bumps into \r\n issues... I use some syntax like MyStringBuilder.Append("Something very clever here"); MyStringBuilder.Append("\r\nGO"); If I then write MyStringBuilder.ToString() into a file, it's perfect as I have in...more >>

Hi folks ... I was wondering if there is a C# library i can use to integrate source control into a gui project i am working ... it would be really nice i could let my users integrate with a CM tool without having to do much work ... Cheers, Jim...more >>

Hi all I connect DataGrid with table: dataGrid1.DataSource = dataSet.Tables[0].DefaultView; There always an extra row, How can I delete it? or can I control this row? Moti ...more >>

I would like to write a program that can remove a windows service and I do not wish to use the windows installer. Can someone point me in the right direction? Thanks...more >>

saw another thread on this topic, but no solutions were presented, so here is my question: i have a c# class library dll that must access a config-like text file. when using the FileStream constructor, it seems to attempt to open the file from the directory that the parent process (the one uti...more >>

I build an NT service using the FileSystemWatcher() class to detect when new files arrive at our ftp server. Now I want to configure it to watch for files on someone else's remote server. Questions: 1. Can I map a drive letter to an ftp share? 2. Do you think the FileSystemWatche...more >>

I tried looking at the dataset at debug time but there were a ton of information and levels. Is there a place or a different way to look at the data? Thanks, Alpha...more >>

When I select a datetime variable into a dataset does that stay a datetime column? I specified it to be so in the dataset but having problem formating it in the Crystal. Thanks, Alpha dtFinancial = this.dtpFinancial.Value; dtFinancialEnd = this.dtpFinancialEnd.Value; ...more >>

Hello, I'm getting an "Access Denied" error when I hit the line of code... Excel.Application oXL = new Excel.Application(); From what I've read, you can get around this by putting the file (where this code is) in a separate directory and also putting its own web.config in this separate di...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 lockObj...more >>

I have this code and VB.NET and need to use it in C#: Dim cacheInfo As clInetSuiteX5.IclIECacheInfo cacheInfo = clUploader1.GetOcx() Reference in VB.NET project: AxclInetSuiteX5 (AxInterop.clInetSuiteX5) clInetSuiteX5 (Interop.clInetSuiteX5) [C#] public string myMethod() { ...more >>

Hi, All I have an Enumeration SqlDbType.Int, I want to convert to "SqlDbType.Int". How to do this, thanks very much! ...more >>

Hi all, In my code, I need all "datasetMPI" nodes in an array. Here is a portion of my xml file: <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <?mso-application progid="Word.Document"?> <w:wordDocument xmlns:w="http://schemas.microsoft.com/office/word/2003/wordml" xmlns:v="...more >>

I'm trying to convert this macro to a c# function but I have a big problem. It's on the LEFT side of an assignment statement and I am extremely flustered over this one because I'm a little rusty and have been struggling over this for days, not wanting to show all my ignorance in final desparat...more >>

If I had a question about designing and architecturing a software which newsgroup is the most appropriate one for that? Thanks a lot ...more >>

using .net 2.0.50110 String line; RegexOptions options = ((RegexOptions.IgnorePatternWhitespace | RegexOptions.Singleline)| RegexOptions.IgnoreCase); Regex headerRE = new Regex(@"\\d{5,5}(?<an8>\\d{5,5})\\s(?<bu>\\d{2,2}).(?<mcu>\\d{3,3})",options); Match headerM = headerRE.Match(line)...more >>

Hi, I have a boolean column in my datagrid. During runtime when I check the checkbox there are actually Three states for the checkbox. So I have to actually double click to change from true to false. is there a way in which I can just click once and then when I check it toggeles. Something l...more >>

In the below code, mOnePlusTwo evaluates to 0.30000000000000004 (although it displays as ".3"). Consequently, comparing that value to mThree (.3) results in false. What's going on? Is there something else I should do (other than switch to using decimal types)? double mOne = .1; double...more >>

When I am using Graphics.DrawString, I can only draw a string either horizontally or vertically. Is the a way to draw under arbitrary angle - parallel to some line? I would appreciate a code sample. Thanks, Val ...more >>

Hi All, we have four app servers and 5 services are installed in each machine. For every 60 days we need to change winodws domain users passwords, which the services run. Is there any way we can grab the service programatically and change service logon credentials using C# utility? I can...more >>

Is there an example or doc that illustrates how to hook new functions into the right-mouse-button's context menu? ...more >>

Since XP loses control of what folders are supposed to look like (details view, List view, icons, etc) I was considering writing some functions to reset some of my folders. For ex: MP3 folders could be set to details view and have bitrate and comments added to the window header/display. Is ...more >>

I have a form that needs to be updated from a procedure in a class. I have a loop in the class that processes records. Each time a recored is processed, I need to update a textbox on the form. Can a delegate be used to pass back the data? What would be the best way to handle this? I tried...more >>

New to multi-threading (less than 24 hours at it <grin>) Anyway, it's all making sense, and working fairly well thus far, but I'm having a minor issue I'm not sure how to get around. I've got a form that uses SqlDataAdapter. It fires off a thread to fill a DataSet. Not a big deal, this work...more >>

Problem. Work-around. No issues, just looking to see if I'm the only one that's seen this. I just lost 3 hours (shoulda found it sooner) to the InvokeRequired on a form being somewhat unreliable. It will sometimes return incorrect results. I've got it isolated to the Form's Handle property....more >>

Public Private Key Pairs - How do they work? ----------------------------------------------- I was looking at a presentation recently in which it was suggested that - User 1 Encrypts a message using User 2's Public Key. User 2 Decrypts the transmission using his Private Key to get the origna...more >>

Hi, I try to create a MDI children form everytime I click the "new" option. I used a standard source code provided at MSDN. But something weird happen, the first time I click it generates 1 child form. The second time i click, it generates 2 child forms at once. Then the third time I cli...more >>

Hi why does the following code not display the image public Form1() { InitializeComponent(); Bitmap imgBg = new Bitmap("Monitor.bmp"); Graphics gr = Graphics.FromImage(imgBg); gr.DrawImage(imgBg, new Rectangle(10,10, imgBg.Width, imgBg.Height)); } if i...more >>

Hi, Its Urget plz help me out on this issue. I m working on a project in which we have used both java and .net, and the issue is how to maintain security ,if we move from java page link to .net page and back .We have used the .net authentication security in our .net project and suppose the ...more >>

i allready tried this and its still shows the System.IO.File.File() is inaccessible due to its protection level error...more >>

Hi, I hope the following makes it clearer what I am trying to do. lets say I have 3 methods private int method1() { } private int method2() { } private int method3() { } How can I code the following setup the array method [] ArrayMethod = { method1,method2,me...more >>

Hello, I again ask for help on the next problem, a previous question did not give a solution. The method at the bottom of this message leaves a reference to somethig, as far as I can tell to the _sqladapter variable. As you can see I use the 'using' statement so the adapter and the connect...more >>

Hi, In vb.Net one can pass arguments to properties. How does one achieve it = in c#? Given below is the vb.net code for passing arguments to property = getters and setters.. Thanks, Prachi Public Property Field(ByVal strFieldName As String, Optional ByVal = tableName As String =3D "", O...more >>

..method public hidebysig newslot virtual final instance object GetValue(object target) cil managed { // Code Size: 16 byte(s) .maxstack 1 .locals ( object obj1) L_0000: ldarg.1 L_0001: castclass WindowsApplication2.CMyClass L_0006: ldfld stri...more >>

How can I randomly pick either the value integer 5 or integer 8?? I don't want a value between 5 and 8 but either the values 5 or 8 randomly. Any ideas on how can I do this please?? MA ...more >>

Hi can anyone point to a good link explaining (simply) when I should use the dispose method. Sort of things I'd like to know are how does it differ from finalize in VB.net (or is it nothing like finalize) Does the garbage collector automatically call the dispose method when an object g...more >>

Is possible to create virtual directories in IIS through code? If yes, is there some example? Thanks in advance. ...more >>

I have a data list control with 3 columns. I want every second *row* to have a dfferent CSS class. Can someone tell me how to access the parent tablerow, and add a cssclass? I'm guessing I'll need to put some code in the itemcreated or itemdatabound? Thanks in advance, Duncan ---/ ...more >>

Hi All, What is your weightage of the 3 characteristics of Object-Oriented Programming i.e. Inheritance, Encapsulation and Polymorphism. for a total of 100% Please quote your values and let's discuss how the people thinking about OOP :-) Regards, ....@shok -----------------------------...more >>

Re the example I code below. I have tried to make a very consise example of events / eventshandling; would you please comment? (Don't tell me to read a book.) Thanks, Zach. using System; namespace EventsHandlingTest { public class TestClass { public class MakeEventArgs:EventA...more >>

Hi, Apologies if this is the wrong newsgroup. Is it possible to produce a dump of an app (say using ADPlus -hang -pn app.exe) ? I've installed all the symbols, used ADPlus on a simple .NET app to generate a dump and then loaded the dump file into VS.NET. And I just get gobbledegook. I can ...more >>

Hi: My project has a seperate DLL for biz logic and an EXE for client app. I would like to pass in a reference to a form in client app to DLL to capture form element data for updating. In my DLL I have a reference to WinForms so I can accept a form as a parameter. However, I must cast the f...more >>

Can anyone point me to information that would help me to discover a computers unique ID number for their network card? Thanks, glenn ...more >>

I'm inside a function where I have a static cache, when the cache needs to be updated I want to do it asyncronously, because updating the cache takes a while. I want to use thread safety when writing and reading the cache (a Mutex?) Private Function Count(ByVal Guid)As Int32 Static Dim...more >>

Can someone show me how to communicate between worker threads and the main thread? I have a client and server application that uses sockets to transmit xml objects. Now I need to process these xml objects in the client application. The client application uses a listen thread to listen in fo...more >>

Question about a System.Threading.Timer object and the "state" object you pass to it... Timer stateTimer = new Timer( = new TimerCallback( OnTimer ), o, 1000, 1000); I have an array of timer objects which all fire into my OnTimer( object state ) function very nicely. I pass in an object "o...more >>