I have XML that has XML embedded in it, which has a namespace on the root element I am trying to get, so I end up with XML of: <ApplicationsList xmlns="urn:sp-schema"> <Application> <Name></Name> <ApplicationAddress></ApplicationAddress> <FormAddress></FormAddress> <...more >>

Hi, I am trying desperately to get the RedrawWindow function in the User32 lib to work. But it just does'nt seem to do that. Why? [DllImport("User32", CharSet=CharSet.Unicode)] //Do'nt know why I would set CharSet to Unicode, just testing stuff! private static extern int RedrawWindow(IntPtr...more >>

I have an XML file that I want to add to the project so that I can save the state of some object. It is working to just save this file in the Debug folder, but that does not get CVS'd. I want it in the directory with the rest of the code. So I put it there and added that file to the proje...more >>

Currently I'm developing a simple application under the .NET platform, however I seem to be unable to perform even the simplest things. The application must be able to discover whether a server is running, so it sends a UDP packet to a the 255.255.255.255 broadcast address. (Currently this is ...more >>

Hi I build an web application with asp.net and c#. Each user has to login before using it. Once the user uses the login id to login, he will be forced to logout the system if other person uses the SAME login id to login. I have a log table in database to record which user has login. But, I am ...more >>

I created a form with textbox components. How can I control the main program thread wait for user input? once user click "OK" in my input form, then set all variables and return back to my main thread. thanks ...more >>

Hi, i install visual studio-7 ver 0.9466 , i ran it number of times well but now i have a problen, when i try to create a new C# windowapplication project i get the error message "ClassFactory cannot supply requested class" why??? Thanks. ...more >>

Hi all. I have a question. Is it possible to have a class to have members which are only accessible by other class members that belong to the same namespace? JollyK. ...more >>

I'm trying to persist configuration information to disk. I'm going crazy. This is what I've tried. ------- TextWriter writer=new StreamWriter(xmlLoc); XmlSerializer x = new XmlSerializer(typeof(IP)); for (int i=0;i<iplist.Count;i++) { ip=(IP) iplist[i]; x.Serialize(writer,ip); ...more >>

H VSNET IDE Solution explorer usually clubs the source files and the corresponding resx files together with a + sign. But in some rare cases, this doesn't happen. How could I make them clubbed again Thanks in advanc Benn ...more >>

what does the following toolboxdata syntax mean? and is there a name for it so i can read up on it? namespace Wilson.MasterPages { [ToolboxData("<{0}:ContentRegion runat=server></{0}:ContentRegion>")] public class ContentRegion : System.Web.UI.WebControls.Panel ...more >>

Hi, What would be the fastes way to convert an ArrayList to an array of string ? I am trying to avoid running a loop. Thanks, Ali ...more >>

How do you enumerate all the properties of a given object and retrieve each property's type and current value, the same as in VS.NET's Proprties view? Thanks Ben ...more >>

Hello, Please see the following code: using System; public class Parent { public virtual string id = "_"; public string getId() { return id; } } public class Child : Parent { public override string id = "A"; } public class Executer { public static void Main() { ...more >>

I'm building an e-commerce app and am keeping the client facing front end on a live web server and the admin section of the app on a local intranet server. All data is stored in an SQL DB on the live web server. I will be having in the region of 500 product images in the app and am looking for...more >>

Hi, I need to call a function in a c++ dll with a struct. It works fine with the integeres - but the char[] variable doesnt. I also tried using StringBuilder as I have seen suggested around the net, but it just crashes my program. Can anyone help ? ----------------- C# code -----------...more >>

Hi there, I am using the following code to produce a encryption key for my password. //=========================================================== password = "a password"; .... ... System.Text.UTF8Encoding enc = new System.Text.UTF8Encoding(); Rijndael crypt = Rijndael.Crea...more >>

Hi, I want to use a COM component in my C#.NET project. The sample VB code of the COM component declares it as - Public WithEvents ePrint1 As LEADePrint How do I do the equivalent in C#.NET? Do I need to bother about the WithEvents part (I believe there is no C# equivalent for this), do I s...more >>

Hi everyone, I'm trying to figure out how to pass enumerations to subroutines by reference so that I can return a changed enumerated value. For example, I have a UpdateProperty function that could take all integer enumerations, set it, and return it's updated value. When I do something lik...more >>

(I originally posted this on microsoft.public.vsnet.ide, but just got chirping crickets in response; hoping for something better from MS over here...) Running VS.NET 2003. When I change a source file properties to 'exclude from build = yes', there is *no* visual clue in the solution explorer...more >>

I want to convert a DateTime Object to a string and the conversion should be such that it should work irrespective of locale of the current system. I have used the following code to accomplish this: CultureInfo c = new CultureInfo(System.Globalization.CultureInfo.CurrentCulture.Name, true); ...more >>

Hi I have a J# console app (*.java/jsl) that I want to "button" initiate from within a C# form (they have been included in the c# project). I am receiving a number a J# errors when I attempt this so this leads me to believe that my syntax is not correct. (This J# console app will eventually ...more >>

Hi, I have next question :). I have a object which work as dataSource for other objects. I implemented IBindingList (IList, ICollection) etc. I have problem when I want bind my controls ( TextBox etc) to that object. My application throw exception that it can't find property in my object with...more >>

Hi, is it possible to embed il-code in C# ? (much like the _asm directive used in C++). If not, other ways to execute il-instructions ? thnx Chris ...more >>

I have a problem with my class structure. my base class is abstract and defines an abstract method foo(); my child class extends my abstract class and overrides foo() and prints out a string from my child class in it. The only problem is, it isn't printing the string at all, it just shows a bla...more >>

Hi, A GUI I have been writing appears to be using a lot of memory. The amount of memory being used (Windows Task Manager) rarely decreases. When I open a new form, most of the time the memory usage increases. I was under the impression C#'s Garbage collector handled this for the programming...more >>

Hello All, On my website, I have a page where the user's logon ID is passed in through the URL. When the user's name contain's an umlaut (and presumably other accented letters), the query string seems to be stripping out the special characters. Example: http://www.mysite.com/mypage.aspx?id=...more >>

I have an ascii file with hundreds of lines that look like this: 00001 Test1 Myname 00002 Test2 Myname2 .... How can I move that to a dataset of three columns? If necessary, I can modify the ascii file so that the dataset can read it more easily... And once I have it as a dataset, how can ...more >>

Hi, When should I use dataset or datacommand? Do you know any articles about this subject? thanks...... ...more >>

I'm trying to use regular expressions to match variable length fields in a record. The fields are laid out with their length in the first byte and the data following immediately after the length. I was hoping to do it by matching the length (two hex characters) then using a backreference to ...more >>

Hi there, I'm very new to Active Directory, so apologies in advance if I've missed something painfully obvious. I'm at the stage of writing some very basic code to access our AD and I've managed to get a user's details via the DirectoryEntry class. I seem to be able to access the properties ...more >>

i am using 2 datetime picker controls for showing fromtime and totime.Now i want to check the fromtime should not be greater than totime validations with AM and PM checking also.how can i perform this in C# windows forms ? Please help. ...more >>

Hi, I have the following problem: I have an event in the class called 'HtmlEditor'. This class is then used in another class (called 'HandleWndProc') like this: class HandleWndProc: NativeWindow { internal HtmlEditor thecontrol; ... } In the 'HandleWndProc' class I also have a void ...more >>

If I use only one table, it works well.... But If I add new tables to my ..xsd dataset file, then it starts to ask logon information when you start the application... But with one table it runs without asking the information to the user... How can I solve this? Thank you ...more >>

I am new to C#, but have 9 years of professional programming experience. As an exercise, I made a webservice which spits out a DataSet. The client gets it and loads it into a grid. All works very slick. I was creating a new DataSet in code ProjectX.SessionList px = new ProjectX.SessionList()...more >>

Sorry, my previous post was posted by accident before I finished it. Hello, I have a stream I'm reading from, which is from an HttpWebRequest and the Length property is not available because the stream doesn't support seek operations. I'm looping through the stream byte by byte but that...more >>

Is there a way for me to use an environment variable when specifying the output directory? For example if I have SPCHOME set to "C:\spcroot\spc" I want the output directory to be ${SPCHOME}\bin Is there a way to pass in a flag to devenv such that the compiler can resolve ${SPCHOME}? In th...more >>

Hi all I'm looking for a way to obtain all interfaces implemented by a given type, i.e. all interfaces included in the type's class base specification. Sounds easy but the problem is that Type.GetInterfaces returns both inherited and implemented interfaces, including all base interfaces The foll...more >>

Does anybody know of an example web broswer that doesn't use Interop. ...more >>

Has anyone ever used PostgreSQL as DB server with C#. I need to use = PostgreSQL as DB, please suggest what I need and where can I get the = ODBC drvier for PostgreSQL?? Does PostgreSQL has OLEDB driver?? Million Thanks...more >>

Hello, I have a stream I'm reading from, which is from an HttpWebRequest and the Length property is not available because the stream doesn't support seek operations. I'm looping through the stream byte by byte but that's taking a long time on really big files. It would be nice to do someth...more >>

I am trying to trap Ctrl+A in my custom editor by handling the KeyDown event. But what I have found is that the key down event only contains the ControlKey on the key down and the letter A is never passed as a KeyDown as long as the Control key is held down. It does come through as a KeyUp whe...more >>

Are these declarations compiled into the object or executed at runtime? // easy to write char[] NumericChars = "0123456789.,".ToCharArray(); // cumbersome to type char[] NumericChars = {'0','1','2','3','4','5','6','7','8','9','.',','}; TIA, Ian...more >>

Hi All, I recently came across a code snippet similar to the one below generated by a code generator. I asked myself, if the compiler will optimize this or if the program will do the actual (needless) cast at runtime: class SomeGeneratedClass { public object Foo() { return null;//r...more >>

Do you need JDO like functions?(http://castor.exolab.org/jdo.html) Have you heard about Microsoft ObjectSpaces and kept waiting so long? I cannot wait, so simply built the ODB.Net and share to everybody. ODB.Net is an Object/Relational mapping framework that allows persistence ..Net Objec...more >>

I have a windows service that creates 5 worker threads, I'm finding that over time the service is still going but the threads are evidently dead (no work is done). Since I don't think they can actually die in the while loop I'm assuming they get 'hung'. I'm trying to determine how to look for an...more >>

Hi I have one question. How I can "disable" my form ? I want to change controls' setting on my form but I don't want repaint my form while I'm changing controls. Can I set off my repainting for form when I'm changing my controls ? Next I repaint my form when my controls' setting was updated....more >>

Hi, My app is basically a drawing application. Whenever you draw a shape on the form, you can press the delete key to delete the shape. I have added a bunch of buttons to the form and whenever the a button is clicked the button gains focus. So when i select a shape on the form I can't pres...more >>

Can someone tell me what software are needed to get started on C# Instead of getting Visual Studio Professional 2003 @ US$1079, I am thinking of getting Visual C# 2003 @ US$109 (10X cheaper). However, MS website says it lacks Visual database design tool. (1) In that case is there an alternativ...more >>

Hi, I have a MenuItem mnuItem_LaunchHelpFile. How can I launch a help file for instant an MSExcel help file by clicking that menuItem ? Thanks lot in advance. ...more >>

I have several controls (textboxes, comboboxes, etc...) and, on an event, I'd like to change the forecolor property of each one of these. Instead of writing this.myControl.Forecolor = Color.Black on each event of every control, I'd like to call a method, with a control as parameter, that does th...more >>

I am referring to the remoting example as described in msdn site. http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconbuildinghostapplication.asp. I have the listener running : (I am not sure why we say "url="http://localhost:8989/RemotableType.rem" where is ...more >>

I'm converting part of a Win32 app that evaluates some mathematical expresions at runtime. For example "SUM( @10001@, @10002@, @10003@)" is an expression stored in a table's record, where 10001, 10002, 10003 are id's of records in a specific table. I want to grab the associated values for those...more >>

Hello, Is it possible to get the path where dotnet is installed ? On my system, it is : C:\WINNT\Microsoft.NET\Framework\v1.0.3705\ How can I get this path in my c# program ? thanks Steph ...more >>

Does the framework need to be installed on the target machine for the exes to run or can the exe be linked statically so the target machine does not need the 35 meg framework install. -Lou ...more >>

I'm working on a project where we collect data and store it in ArrayLists. When the size of the ArrayList gets to 100K elements we prune it back down to 50K. I let my application run over the weekend and Windows Task Manager shows that the application is using 500,000K memory for my applicatio...more >>

Hi, Whats the best way a program to restart itself, and how this to be done in C#. I need my program to be restarted after some events. Thanks...more >>

How can I track reference load. e.g I have a form with some references. I want to be able to track the event when one of references loaded, thus I have to catch BEFORE_REFERENCE_LOAD event. How it possible to do? TNX ...more >>

It seems to me that System.ICloneable should be a generic interface, similar to IComparable. Of course, one can just create an ICloneable<T> and use it, but I'd be interested in knowing what it has not been considered as such. Regards, Javier ...more >>

Hi, The question is: How to create a string containing specified nr. of (same) characters? I guess the question is quite trivial but I still don't know the answer :) Thx in advance Armin ...more >>

I'm a bit confused by the behavior of arrays and exactly when a shallow vs. deep copy is made. When passing an array of value types (e.g., int), msdn states that a deep copy is NOT made, thus, one would infer that this works exactly like the Clone method of the array class; i.e., creating a sh...more >>

I would like to display a text box where some of the content is displayed in a different color. Can I do this with a text box control? If not could somebody please suggest a way in which I might do this or send me a link to an example? TIA Brad ...more >>

I have a crystal report object which include 3 tables... I get data from dataset and make the report... The first Table is my primary table, the second and third tables are the other information tables, which can include more than one row... So the report looks like below: Table1_No Tabl...more >>

Hello All I have a collection class inheriting from CollectionBase. However when I try to serialize it I keep getting a message "You must implement a default accessor on PersonColl because it inherits from ICollection." even though I have a parameterless constructor. Any help is greatly appre...more >>

Hi all, I'm running into what I can only assume is a bug in the .Net framework. I'm building a sort of DB pipeline application(to copy data from one DB to another). When i'm copying data into a SqlServer table with an identity column, I must first issue a set identity_insert <tablename> on. ...more >>

How do I create an array of points using a loop? I wrote the following code that doesn't seem to be working Dim allPoints() As Poin Dim i As Intege For i = 0 To 100 Dim myPoint As New Point(i , i*2 allPoints(i) = myPoint ...more >>

I'm used to Java and am new to C#! I'm getting the following error, which I believe is suggesting my code is referencing something that has not been instanciated yet, however I can't seem to spot the bug... "Object reference not set to an instance of an object" What I'm TRYING to do is...more >>

hi I'm using the component: openFileDialo openFileDialog1.Multiselect = true when I choose Many files the this exception comes {"Too many files selected. Please select fewer files and try again." } System.Exceptio Any ideas ? is there any limit ?!...more >>

Hi all Please can someone tell me what to do or point me in the right direction. I would like to create a windows app that I can use as a chat application, where everyone can join,and which also needs to be capable for video conferencing.(only for later development I am new to C#, but this is a ...more >>

Hi there What are the community's opinions/experiences on using Thread.Interrupt to cancel a thread? By canceling, I mean allowing graceful exit. Is anyone using this as the mechanism to cancel threads Second question Calling Thread.Interrupt on a thread will cause a ThreadInterruptedException ...more >>

I want to call a function in C++ (external dll) from C#. However the string is still empty after returning from the function. ------------------- C# ------------------- [DllImport("ccw.dll", CharSet=CharSet.Auto)] public static extern int HelloWorld(StringBuilder abc); StringBuilder mytex...more >>

Usually it runs off two colours, alternative and backcolor Is there a way that I can make a specific row a different colour thorugh the tablestyle or another method Many thanks to those that help jax...more >>

Hi I have to put my Program EXE in a server share, but when I try to open the program a "System.Security.SecurityException" occures If I open my program in my computer no error occures.. Any clue Thanks for your help ...more >>

H I'm trying to find out how to enumerate the column names in an OdbcDataReader whereas in VB6 I would have gon For i = 0 to rs.Fields.Coun Debug.Print rs.Fields(i).Nam Nex What can I do with an OdbcDataReader to achieve the same effect I trie dr.GetSchemaTable().Columns.GetEnumerator()...more >>

hi I'm using the component: openFileDialo when I choose ALLOT of files the this exception comes {"Too many files selected. Please select fewer files and try again." } System.Exceptio why ? any ideas ...more >>

Is there an event that would trigger if i changed the size of the font or the font itself during design time in the property window? I inherent the control from windows to make my own control. *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get ...more >>