Hi, is there a way to force a webclient to send credentials every time it post data to a site? (on all subdirectories and forms to) - la...more >>

Hi all, Which is the best way to expand the functionality of the Listbox control so that each item besides storing the information of the displayed string stores and other information and have the functionality of a class? Thanks in advance, -pnp ...more >>

Standart describe grammar for events as (in EBNF): event-declaration: [attributes] [event-modifiers] "event" type variable-declarators ";" [attributes] [event-modifiers] "event" type member-name "{" event-accessor-declarations "}" variable-declarators: variable-declarator ...more >>

Need a Soundex algorithm for French/Spanish languages ,Any ideas?...more >>

Hi, My program try to export a excel file by using Response.ContentType = "application/vnd.ms-excel"; Response.Write("<table><tr><td>"); But when i import it back to my system using Oledb, i got an error. External table is not in the expected format.System.Data.OleDb.OleDbException: ...more >>

Hi, I have a custom datagrid where I override the ProcessCmdKey method to catch specific key presses. I would like to have it so that when text is highlighted in a cell and a user presses a key such as Alt the text cursor unhighlights and moves to the beginning of the text in the cell. Tha...more >>

Hi, I've been set the task of using Regex to strip off the postcode area from a UK postcode, i.e. the bit before the first numerical character, as in: "N11AA" returns "N" and "SW1A1AA" returns "SW" I've been asked *specifically* to use Regex for this - can anyone help? Thanks, ...more >>

Well, I got such a good quick response to my last post (thanks everyone, btw), I thought I'd put this one to you people as well. It's a lot more specific than network I/O, but I can't seem to figure it out: I built a project in C#, it's a DLL that references other COM DLLs. I build and r...more >>

I have a form class that acts as a top level window. The user can open and close any number of these windows throughout the lifetime of the application. In the OnLoad, I have: Application.Idle+=new EventHandler(Application_Idle); ....and in the Dispose() override, I have: Application....more >>

how is the selected item set to selected in a listbox? I cannot get .SetSelected[index, bool] to work. ...more >>

HI, I create a custom transparent control, set the style is ControlStyles.DoubleBuffer, It display black background. How to create a double buffer transparent control? The ralative code is: // in constructor base.SetStyle(ControlStyles.DoubleBuffer | ControlStyles.StandardClick ...more >>

I created a panel control and then place a rich text box inside the panel. I set the richtext box so that it completely fills the entire panel. I want to be able to handle a MouseMove event on the panel but when I add the event handler it is never called. However if I put the event handler on the...more >>

I'm working on creating a little playing field map for a game I'm programming in C# and I have some questions about GDI+ for custom controls. Right now I have a class called Tile that I use to create a square tile with some graphics on it. Then on my map I basically load a 2 dimensional array of...more >>

I have some legacy C++ code in DLL format which has simple structures like this: typedef struct { int weightoz; int rate[6]; } MYRATES; which are subsequentally intialized by a rather long set of numbers in a format like this: MYRATES MySuperRates[]= { {16, {385, 385, 385, ...more >>

I want to provide a way for the user to select the appropriate language encoding - the way IE does it when you right-click a page and select Endcoding. Is there an API somewhere that provides this information? Btw, I'm using C#, but VBNET examps are always welcome. TIA ...more >>

I'm trying to load an image in a PictureBox but I want the PictureBox has always the same size and if the image is bigger, show a scrollBars. How can I do it? Thank you ...more >>

Hi. There are a number of options how to iterate through the characters that make up a System.String; ToCharArray(), GetEnumerator or direct walkthrough from 0 to Length with indexing. I would like to now which one is the fastest. Thank you. ...more >>

all goes well with .net Framework1.1, but error with .net framework 2.0 beta ,below is error message why? Server Error in '/FORUM' Application. ---------------------------------------------------------------------------- ---- Compilation Error Description: An error occurred during the ...more >>

Hi I need to dynamically create CAB files that will contain various content. Are there any products to do this or can I do this in .net? Thanks Sam ...more >>

Hi, I need to open a pop up window from my main aspx page while passing it a value, but i've got stuck on the first hurdle which is how to open a window at all! Any help appreciated, Thanks Rich. ...more >>

I have a datagrid, it has a column with a checkbox (DataGridBoolColumn). On the same form, there is also a textbox that is used to search the grid. Here is the problem... If I do datagrid.datasource = dataview then I can use the textbox to search the grid via dataview.rowfilter. However, doi...more >>

How can I convert this struct into a C# struct? The problem with this one is that one of its members is an array of ADDR_REC(another struct), and the API function (written in C) writes to this part of the struct. I call the function with struct CITY_REC as parameter and the API function writes to...more >>

I've been moving between VB.NET and C# .NET and have found many annoyances with the editor using C#. The latest is that I cannot seem to be able to use the Hide (Edit, Outlining, Hide Selection). I know I can use regions, but for temporary collapsing it is much easier in VB.NET because you can ...more >>

Hey all, I have a problem here. I got some code from the web/a book (it was actually the exactly the same), on how to do NNTP. The code works except it's VERY cpu intensive and VERY slow. I looked into the code and noticed it calls a Response method over and over, each time it returns a lin...more >>

Hi, I had a question about how to copy files from server to server on the same LAN. Basically, i need to copy files from "develope server" to the "test server", then eventually to the "production server". But i don't know how to deal with this. Do you have any example code or hint? I ...more >>

Hi all how can I make the interface for the user so he can sort datagrid? thanks ...more >>

I want read some texts from database, and transfer this words to an image file, how can I do? ...more >>

How can I capture the specified region on the screen to save as an image file? ...more >>

Hello all. I have a question regarding Richtext printing/preview. I know how to print richtext in C# by sending some messages to the underlying rich edit control. However, I am only able to print on a pre-defined rectangle area, which is not convenient in many cases. Is there any way that I on...more >>

Anyone know how you would make a ASP.NET DataGrid row blink? -- Ian (Freebasing On Boredom.......) BEING IN THERAPY And yet, having therapy is very much like making love to a beautiful woman. You... get on the couch, string 'em along with some half-lies and evasions, probe some deep dark ...more >>

hi, I would like to ask how to serialize class with members like SqlParameter. I try to use BinaryFormatter. [Serializable] public class Example_Class { public SqlParameter sqlParam; public Example_Class() { sqlParam = new SqlParameter("@Data", SqlDbType.VarChar...more >>

Hello, I am consuming a webservice from a ASP.NET web application. Inside the constructor of the web service, there is lots of heavy operations happening like opening a database connection. As a result, the performance of the web service call is degrading, especially when multiple users c...more >>

Anybody know of a class or some code(C# preferred) that can convert UTM (GPS) coordinates to lat/long coordinates? Thanks in advance, Vinny...more >>

How can I convert the following C struct into a C# struct? The struct is sent to an API function (written in C) as parameter, and the function fills it with data. I tried to convert it and most of it works but the data in the foot struct is not correct (I believe it's a conversion problem betwee...more >>

Hello everyone, I'm having some odd problems with a little program I wrote for sending/receiving bytes across the network. I am using synchronous sockets, and it seems that when I send byte after byte too fast, the packet gets lots somewhere (as odd as that sounds). Here's the sending co...more >>

Hi, Can someone suggest a way to use some of the constants defined in Win32.h eg. FILE_MAP_ALL_ACCESS ? Is there a way to include a .h file in C# code? It would be great if someone could provide links to articles/tutorials on this topic. Thank you. ...more >>

Hi: I'm currently developing a socket application and would like to precede the data being sent with a 4 byte message length header (bin4). Can anyone help Regards Winston ...more >>

Hi, I am having a few problems with my datagrid, the data in my database isn't coming through right. for example 100.00 in the table is coming through as 100 and 01/01/2004 in the table is coming through as 01/01/2004 10:45 AM??? how do i format my custom table and column styles to reflect the...more >>

I'm getting an INSERT INTO SQL error. Any ideas? Thanks a ton, Boggie odbcConnection1.Open(); OdbcCommand myCommand = new OdbcCommand("INSERT INTO Listgroup (Newsgroups, Message-ID) VALUES (?)", odbcConnection1); myCommand.Parameters.Add("", OdbcType.Text).Value = endstring; myCommand.Exec...more >>

Hey folks, I know this is an old topic, but I can't find a definitive answer on google. How do I tell if an int has been initialized or not? I had been testing it like: if(myInt == Convert.ToInt32(null)){ : } But now I just realized that this is true: Convert.ToInt32(null) == Conver...more >>

I see Property Inspectors all over Visual Studio, Is this class available for use to allow users to Modifiy my data structures. If anyone knows I'd appreciate it ...more >>

I know this has been discussed before, but rather than spend ages trawling through old threads I thought I would start a new *quick* Q&A thread. Q. What is the preferred method for returning data from a dialog to a parent form. Previously when I have been launching a dialog, I would pass a ref...more >>

Hi, I am having a few problems displaying a date in my datagrid... i have created a custom table and column style and all the data appears great except for a date field i have is stored as short in the database but when it comes through the datagrid it has a time stamp on the end of the as we...more >>

Hi all, I have a design question here. I have window A and in window A, if user clicks a button, windows B will appear. Window B has to do a lot of redrawing and movement (Location changes). What is the best approach to implement this? so that even when I move/drag window A around, windo...more >>

Like most fans of eye candy, I've always thought the standard MainMenu control was a bit drab. After looking at third party components, I decided to see if I could brute force it into looking nice. I set the owner draw on the menu items to true, and draw the MenuItems differently depending on ...more >>

Hello, Since I bought my Visual C# Standard Edition I've been never able to update it. Is that normal? If I try to click in my help menu, Check for update, it always comes up with the message: "Visual Studio.NET 2003 setup encountered errors while attempting to download required files. C...more >>

"Value cannot be null.\r\nParameter name: type" is the exception thrown after the CreateInstance method below. Type t = Type.GetType(GetConfigValue("PasswordProvider")); IPasswordProvider ppdr= (IPasswordProvider)Activator.CreateInstance(t); GetConfigValue DOES return the correct value from...more >>

Hi! I need to create some windows for debugging purpose in a big C++ project but I don't want to do this with MFC or Win32 coding. I'd prefer to build this debugging windows with C#, make a DLL and import this in the big project. My problem is now that there is a lot of information how to use o...more >>

Hi everyone, I'm trying to access a webservice (asmx) from an asp page and I'm having a problem with the load below: <% Dim dblTax, strQuery, objRequest, objXMLDoc, strXMLwsURL, strXMLMessage Set objRequest = Server.CreateObject("Microsoft.XMLHTTP") Set objXMLDoc = Server.CreateOb...more >>

I'm drawing an image in a panel control with this sentence in the Paint method: e.Graphics.DrawImageUnscaled(Image, panelImage.AutoScrollPosition); The problem is that I only want to paint a region of the image specified by a Rectangle object. I can do it with: e.Graphics.DrawImag...more >>

Hi, I am building an add-in to the .NET framework using C#. I need to call an external executable file. It works fine with the computer I am working now. How can I make it work when I install the add-in to another computer? Thanks a lot -------------------------------- From: Kelly ------...more >>

Hi All, I am using the ImageList/ListView Components to display around 100 images in C#.NET. The issue i have is, some times i may need to display the thumbnail of size more then 256x256 in ImageList. But the ImageList Component supports only size upto 256x256. What is the best way to h...more >>

I'm monitoring key presses in an edit box on a pocket pc device. It's for floating point numbers and Im allowing '-', '0'..'9', #8 plus decimal point character. Ive a function that should return a char representing the decimal point for this locale. Not knowing what I was doing on .net, I did ...more >>

I am using MS Visual Studio 2002 with Windows 2000 Advanced Server and am starting to learn C#. Perhaps this is obvious but I can't see if what's happening is "normal" or if something needs to be set differently. I have implemented System.Configuration.NameValueSectionHandler which is found in S...more >>

Hello, Thanks for reviewing my question. I hope this is a simple question. I would like to know if I have a datagrid attached to a dataset, which in turn is associated with a table, is there a way to hide columns? Can I do it at design time? Thanks again Peter...more >>

Hi everyone! In program I wrote, I try to run 300 threads, when only 10 is running in the same time. I use array to create 300 threads, but first I start only 10, after that I add one thread when some of them is finished. The first 10 are running well, but when I add one, I get the HashCode t...more >>

I am working through tutorials covering developing serviced components. It is appears as though they register correctly using regsvcs and do appear in the MMC snap in. However when I attempt to use them from a project it fails to add the reference with the messange: A reference to xxx cou...more >>

Hello. I need a little help to get this thing finished. Im trying to catch js errors and the event works as expected. However I have created an event from doc.parentWindow but when it fires im unable to suppress it using a returnValue = true. Im navigating to an URI using axWebBrowser1.Nav...more >>

Hi all I am developing a web app in which the client wants an email sending and receiving functionality. Is it possible in C#. If yes where should I start. If anyone could tell that how long would it take to develop and the human resources etc I'll be very thankful Regards...more >>

Hi, I have an MDI application which has aboout 10 child windows. The way the app needs to work is that only one window should be visible at a time and it should be maximized within the parent window. I have set all my child windows to be WindowState.Maximized but after showing 2 or 3 windows,...more >>

Hi, I am interested in developing a small VOIP program using C#. I am very new to this area. Like to know where to start with and what are the facilities available in C# & .NET to support voip. Or do we have to use the telephony API for that? Can anybody lead me to some good documentaion/example...more >>

Hi, We're are about to develop an app in C# that will use a MS Access database file for data storage. The db structure will not be modified. The user will use the C# developed app to view and edit the data (as well as add/delete records etc.). In order to distribute or app (including .mdb...more >>

dear sir i want to resize my controls when the user changes the monitor resolution. so my problem is i am not know the event which should be fire when the resolution changed i try form_Resize but it does not work well. and tell me the short way for tackling this problem. thnx alot....more >>

Hi, I'm trying to send a post to a form on a webserver that requires credentials. When I log in it works just fine, but when I try to post data to the webserver the credentials aren't transmitted. my source: CredentialCache myCache = new CredentialCache(); webClient.Headers.Add("...more >>

In my program i create a 32ARGB bitmap. To actually create the bitmap seems very slow. In fairness the file size is very big. I support multiple bitmaps as well. I have to convert these bitmaps to thumbnails also which again seems very slow. There is a memory bitmap but i can't seem to find any ...more >>

Hello, I am trying to find a way to change directory permissions using C# (like dir ownership and access rights). Is there any c# librery that could help me do that? or should i use other solutions? (what are they?) Thanks....more >>

Hi, in my environment i cannot use this sample because the saving process give me an error : GENERIC ERROR IN GDI+. Anyone knows what error is and how can I solve this? thank you! Fabrizio fmaltese@nospam.libero.it ...more >>

Hi, I am wondering if it is posible to disable resizing of a form in design editor. Or is it possible just at runtime? I don't see there any property kind of "Resize = false". Thank you, Lubomir...more >>