Hi, I dont know what wrong. I have large main form class. At some point i create new Open File dialog, but when calling ShowDialog - out of memory exception occurs. I don't know why. I figured out that if I call this.hide() - hide main form - and then call ShowDialog() method of OpenFile...more >>

hi, how to convert the following strut into safe struct in c#? struct in C++: typedef struct { char m_username[USER_LEN]; char m_password[8]; char m_userIP[16]; }USERPARA,*PUSERPARA; typedef struct{ char m_starthour; char m_startmin; char m_stophour; char m_sto...more >>

Hi, I notice if I run my application, the Windows Task Manager shows the application using around 20MB of memory. However, after I minimized the application and maximize/restore the application again, the memory usage dropped to around 5MB. It seems like only after startup, it uses up...more >>

Is there a VS.NET Academic 2002 -> 2003 upgrade? I haven't been able to find one anywhere, in fact I have yet to come across a standalone VS.NET 2003, my university bookstore still carries 2002. Did MS ever release these products? Robert ...more >>

here a little test program. it's so simple taht it should deliver simmilar result. it's also so simple that people that might says it's unfair to the looser (why Java people are always arguing like that ?)... anyway see for yourself the test command lines: javac SimplePerf.java && java Simple...more >>

Is there a way to add a literal character to a regex match? For example, normally applying the regex ..$ to the string "123456" results in a match "56". I want to be to add a literal character to the beginning of the resultant match string. In other words, is there a regex that could be applied ...more >>

Hi Im using MSMQ to send and then read messages. I use a Formatter (http://support.microsoft.com/default.aspx?scid=kb;EN-US;310683), but I use "Encoding.Unicode" instead of "Encoding.UTF8". The problem im having is decode\convert the body of the messages to a "proper" string. There are sp...more >>

I have a small console app that uses HTTPS to retrieve a file from a Windows web server using a VeriSign cert that works just fine. I now have to connect to an OpenVMS web server using a Thawte server certificate and I keep receiving the following error: SecureChannelError The underlying con...more >>

Hello, I have an application written in C# on visual studio .NET. It is a web aplication. The application consists of many different forms, that users occassionaly want to print out for filing. When they log to application (through web browser) and choose the print option, on the right margi...more >>

Hi There is a datatime picker control in one column of my datagrid.When the cell of sepecific column get the focus the datetime picker control appeare It shows the current system date.If once I changed the date then next time when the control appeare in next cell same modified date is displayed. W...more >>

I was recently looking through some code in a commercial product and noticed a few places where they stored cursors and icons in static objects. I would like to do something similar where I load two bitmaps in a static constructor and store them as static members of a class. My question is, ...more >>

Hi. I searched the Usenet and the Web for this simple information but did not really find anything. How can I open URL in the standard browser of the system? (VB6, VC++ you could easily use the ShellExecute() function for this.) The LinkLabel control example of MSDN does not work as I ...more >>

Hi, I'm looking for a simple directory picker. I need both local drives directories and directories in the computers in the network neighborhood. Does anyone know if there is something ready in the .net framework or a good implementation of it? Thanks, Ram. ...more >>

is there a not (!) operator in regex? If so, how does one use it. I am unable to find this information. Thanks...more >>

Hello All I'm trying to figure out how to do this the best way. Basically, I need to compare DateTime of files across TimeZones. The situation is like this: 1. I have a database say in Korea in which file-1 resides (in OS) and I have stored the UTC of the file's modified time in the databas...more >>

Hello. I am using C# in .NET v1.1. I am trying to serialize an object to disk and read it back again. The serialization seems to work OK (at least, it completes without error). However, I get the following error when trying to deserialize: An unhandled exception of type 'System.Runtime....more >>

Hi, I was wondering if someone could tell me how i can convert a value that's a string into a TimeSpan? Thanks, Doug ...more >>

Hi, I have a class with a static constructor in which the class registers itself as capable of doing something (using a delegate) The problem is that the static constructor is never called, as no other class references it. The only way to communicate with the class is using the delegate. ...more >>

I have created a Setup project wich includes couple of text file and it also includes file association of .tsrx. After the application is installed if I happen to delete any one of the text files the Setup runs automaticaly and installs those text files back when I double click on the any of t...more >>

How can I implement the autocomplete functionality in a Windows comboBox? Thanks. ...more >>

How do you resize an image object? The Size property is read-only. Jon Cosby ...more >>

Can static methods in c# participate in COM+ transactions? In other words, do the COM+ inception stuff work for methods marked static? Thanks ...more >>

Has anyone had any luck getting this CopyTo method to work? I can iterate through a MatchCollection and move each Match.Value to the System.Array without a problem. I just can't figure out why the CopyTo method will not work. Example: // Find all the Tables in an html string (page) Match...more >>

Hi all, I've created a c# application, and included a "Setup project" in the same solution. How do I default it so that the application (say i were to run the setup "quietly") installs with "Everyone" rather than the "Just me" option? Thanks Daniel. ...more >>

VB---vbcrlf C#---?????? ...more >>

Anyone have code that will format a decimal value to a string currency format for display? Something like FormatCurrency() in VBscript had? I usually search thecodeproject.com first, but something's wrong b/c I can't get to the articles where there might be an answer. Thanks in advance, An...more >>

a ActiveX Control Written by VC++6.0 try to Calling from .net client use aximp to create An Assembly and reference from c# code I try to write a C# program to call this Assembly's function the c# program looks like : private void Form1_Load(object sender, System.EventArgs e) { JI...more >>

Is there a way I can set a text in the row header of the System.Windows.Forms.DataGrid control? Thanks! ...more >>

I will be making a windows app that will run on user's local machines. It will not be in a networked environment or anything like that which rules out SQL Server for the database. I am trying to come up with the best method to store data on the local user machine. I was thinking of using XML f...more >>

Hi, I have a NotifyIcon object. The user sees it near the clock on the desktop. Now, I want to tell the user that something happend (Like when Windows says that updates are ready to be installed)- a small baloon that comes out of the icon. Does anyone knows how to do it? Regards, Ram. ...more >>

I just created a mini-app (WinForms in C#) with a bound data grid whose data source is an Access database. It has 2 DateTime columns. I formatted the database so one of columns was GeneralDate and the other LongTime. If I type directly into the Access db, both columns display fine. When I run t...more >>

Hi, I've been looking at examples of delegates in C#. All the examples show delegates are references to static methods. Can delegates be used with instance methods? Thanks in advance, Bryan ...more >>

Dear All: I create a very simple DLL by using EVC to test the problem. (The platform I am working for those program is WinCE.NET) ******************************************************* The header looks like: #ifdef TESTDLL_EXPORTS #define TESTDLL_API __declspec(dllexport) #else #defin...more >>

Any idea, how to dynamically resize controls on the form when, the form is resized, let say maximized? Is there any elegant, logical way to do this ...more >>

Hi, Can anyone help? I am creating an Excel file in asp.net and when I set the PageSetup.Orientation I get the following error. Unable to set the Orientation property of the PageSetup class Description: An unhandled exception occurred during the execution of the current web request...more >>

How you you make C# code where on a button click it will open a window at a certain size and position on the screen? I can't find any examples other than VB and trying to covert it to C# has not been successful. ...more >>

Hello all, I'm trying to make a 3D transformation with image data. For the 3rd 1 D transformation I have to jump in a 12Gbyte file, to get the data for the transformation. The jumpimg in the file cost a lot of time. I am doing the filehandling with help of the filestream and binaryreader class...more >>

Hi there, Is there anyone know how to write a C# program to collect the total number of download from computer startup and turn off? anycode will be helpful! thanks ...more >>

when creating a project with namespace like: wrox.csharp.basics.overflowtest is it good practice to have the directory structure like that also: c:\wrox\csharp\basics\overflowtext.cs Also if it is then is there a way to make visual studio set it up for me as i'm creating the cs files? or do ...more >>

hi i had read somewhere once that it is possible to debug with a pdb file. but i cant recollect anything about it. can anyone throw some light on it? thnx ...more >>

If I throw ex it does not give me enought informtion, if I throw strmessage would this actually throw the message that I've created plus the ex.message string? catch(Exception ex) { strmessage = "Error Logger.Instance.LogError: " + ex.message; ...more >>

Hi, I am getting an exception when I read in bunch of resources with the following code: string fullName = name + ".ico"; Stream stream = assembly.GetManifestResourceStream(fullName); return new Icon(stream); The stack trace is as follows: Unhandled Exception: System.ComponentModel.Win3...more >>

Dear sirs I made menus using Javascript code when I tried to attach these menus to my ASP.Net code it didn`t work!! then I`ve downloaded user control from the internet creates menus, it worked with me when I made it horizontal menu, but when I tried to make another menu (vertical) in the ...more >>

Dear sirs I`m trying to make a discussion group in my web page using ASP.NET with C# I`d like to know how can I do that?? thanks Mohammed ...more >>

Dear sirs How can I declare a variable(Global) that all forms in my project can see and use it thanks Mohammed...more >>

Hi, I had some trouble using the DataGrid control in VC#. Any C#/DataGrid gurus out there please help!! Thanks. I have a DataGrid with just one DataTable which I populate when the App. comes up (by reading the contents of an .ini file) 1.)Now once the Form is displayed, when the user clic...more >>

Hello, I am calling Process.Start from a C# code in the following way..where startInfo is the object containing the process information. try { Process installProc = null; installProc = Process.Start(startInfo); } catch(Exception ex) { throw ex; } If for some reason I pass inv...more >>

I have bunch of unicode characters stored as Decimal is there a easy way of displaying unicode from Decimal numbers or do i have to convert the decimal to hex then display the hex? i ran into a small problem with converting Dec to hex and displaying the hex, because when i do the conversion betw...more >>

hello, how can i print large datagrid on multipages? U know , my datagrind is too large on A4. Is any builded-in mechanism in c#/dotnet to paging??? please at prv dariuszbz@wp.pl, solution i'll write on group :) tnx debe ...more >>

I am wondering why it takes an absurd amount of time for a message to post on here, and also why the most recently answered topics aren't automatically reposted at the top. I keep seeing my message go down and down until I can't see it, and then the chances of it being seen TO BE answered are very ...more >>

Hi all Presently i am sending data to database filed like this "EquipmentFilterDevPrimaryId = 0" i need Instead of "0" (NULL)i need store the data null value how can i pass this null value pls check that if(txtDeviceCategory.Text != "") {usi.EquipmentFilterDevPrimaryId = (long...more >>

i want to create controls on a form reading from an xml file. before beginning, i want to know your ideas . eg how should the structure of xml be?, or any tips and tricks about creating controls or any example or code about these things. thanks in advance ...more >>

Hi, I have a tab control containing few tab pages. On each tab pages, I put an image on the tab page's title bar (the area on top of a tab page, ie where tooltip will appear). If i put both an image and a text, they both will be centered nicely. However, if I put only image without the ...more >>

I want get the Matchs <li>[xxxxxxxxxxxxxxxxxxxxxxxxx</li> begin:<li>[ end:</li> ...more >>

Hi, I'm having a hard time getting my service to show a sys tray icon. I've tried to create a separate Windows application where I simply add a notification icon to the form. In the OnStart method of the service I simply try to start the windows application which then should show the icon. I ...more >>

greetings it is possible to use reverse engineering on a .NET Dll? If so, how? TIA Almeida...more >>

H There are two ways to execute a stored procedure using ADO.NE - call "exec sp_myproc val1,val2" statement over ADO SqlCommand myCommand = new SqlCommand(SQLQuery, mySqlConnection) - use Command/Parameters objects to initialize and call the stored procedure Which is a efficient way and wh A...more >>

H There are two ways to execute a stored procedure using ADO.NE - call "exec sp_myproc val1,val2" statement over SqlCommand myCommand = new SqlCommand(SQLQuery, mySqlConnection) - use Command/Parameters objects to initialize and call the stored procedure Which is a efficient way and wh Appre...more >>

I have written a .Net web based application for a company here in the US, and they are now asking for this to be used in Denmark as well. I am lost when it comes to what needs to be done to make this happen. I understand the displayed text and forms need to be changed to dutch but do I need to hav...more >>

Is there a way to customize the open file common dialog? I am trying to modify the button text so I can create a delete file common dialog. I need the same functionality of the open file common dialog but just need to change the button text from "open" to "delete". Any ideas? Thanks ...more >>

Dear sirs I`ve added Microsoft Web browser componet to my project I`d like to know how can I view a web page in it? thanks Mohammed...more >>

Hello, Is there a way to easily print a .pdf file to the printer ? (without an external component) Thanks....more >>

I'm having problems with converting a byte array to an image object~ My byte array is an picture in VB6 StdPicture format. I've used propertybag to convert the picture into base64Array format in XML, and embedded the array as some child element in an xml file, i.e.: <Mask>bHQAAH4AAABCTX4AAA...more >>

I'm a C# beginner. Can someone convert this VB code to C#? Dim i as Integer for i = 0 to 4 dim pnl as Panel = ctype(FindControl("pnl" & i.tostring), Panel) if mytabstrip.SelectedIndex = i then pnl.Visible="True" e...more >>

Hello all, I have a sorted list that contains items: foo1 foo2 foo3 foo10 foo11 foo12 I want them to be displayed as above, but when i retrieve from my sorted list they come back as: foo1 foo10 foo11 foo12 foo2 foo3 Is there a Comparer in C# that will do the kind of sort th...more >>

Hi, I Wonder... What is the C# CreateIoCompletionPort equivalent? is there a managed IO completion mechanism? can I use 'System.Net.Sockets' in combination with an IOCompletion port? Any pointers or samples will be appriciated... Nadav http://www.ddevel.com...more >>

Hi all, I'm now very frustrated, I've been battling all of today to try and understand the datalist, editing, inserting, updating, etc, I have managed to get most of that sort of stuff working(Thank goodness:)). But now I would like to implement validation on my datalist, but I am just not gettin...more >>

I have a drop down list box on a web form. I need to insert an entry: COF-ALL into the list box and have it appear nefore all other entries that contain COF. How do I do this? Thanks, dave...more >>

Hi to all, i have created an user control with c#, and then i have embedded it in a aspx page with the <object> tag. If i try to add to mu User Control some external COM objects, the page don't show me the control? Ho can i solve my problem? Thanks...more >>

I have a textbox bound to a dataview, when I update the text in the textbox no changes take place in the underlying dataset. Why is this?? any answers appreciated, as to due to the underlying structure of the datasets, i.e lots of child tables etc, I cannot use bindingcontext ...more >>

Hi everyone! I am building a website in asp.net using c# where I need to be able to upload 100 images to the server at a time. As I am new to asp.net, I was wondering if there was an easy way to do it. These images also need to be stored in a database(Sql server). Thanks for your help Celine...more >>

Hi, Im making a web custom datagrid of products. I have this piece of code in the override OnInit Method: ButtonColumn colbtn=new ButtonColumn(); colbtn.ButtonType=ButtonColumnType.LinkButton; colbtn.Text="<a href=# onclick=alert("+")>See Product</a>"; How could i know what link i...more >>

Guys, I need to pass a string in my parameter list to another page.This contains the ampersand character. This is causing the part of the string after the ampersand to move into the second parameter How do I get around to passing this Any help would be appreciated regards ...more >>

Ok guys I'm tearing my hair out here. As a result of a recent ms patch that has been installed on a server a number of c# based windows services are failing to start. There are no entries in the event logs. The services run under the same account as other c# windows services which still start...more >>

I’m new to regular expressions in c# and can’t get even basic searchs to work as I believe they’re supposed to. The following example is where I try to identify any word in a string: this.filecontent = "the cat sat on the mat"; this.MethodSpotter = new Regex("(\\w+)",RegexOptions.IgnoreC...more >>

Hi , Is it possible in .Net to define a async timer callback. What I am wanting to do is declare a time-out condition that gets executed should the something timeout. The reason I want to do this is to handle host being down that I am trying to connect to using TCPIP. Then after a timeout...more >>

Hi, When I modify one of the data in dataGrid, then press on <ALT+'A'> to execute(Apply Button). In applay Button I read the DataGrid rows value ,I read the same value as before my change, Why? how to refresh the value after changes , also why the keyPress Event not work? how to Enable it ? In...more >>

Hi, Is it possible to unload a dynamicly loaded assembly (loaded with Assembly.LoadFrom) ? Soren ...more >>

Try the following code snippet: Directory.CreateDirectory(@"C:\Folder1\"); Directory.Move(@"C:\Folder1\", @"C:\Folder2\"); Directory.Delete(@"C:\Folder2\"); After executing, a C:\Folder1 still exists! Stranger yet, place a breakpoint on "Directory.Delete(@"C:\Folder2\");" and run the cod...more >>