Hi, I am trying to open an existing word document, the execution happens with no error but Word does not come up and my document does not open. This is the code I am using.. Microsoft.Office.Interop.Word.ApplicationClass WordApp = new Microsoft.Office.Interop.Word.ApplicationClass(); o...more >>

I didn't know what to put for a subject, so I just tell you a problem requirement they want for my ap. If the user hovers over a disabled control, they want a text bubble to explain why it's disabled. (This does not seem unreasonable. There are tool tip bubbles coming up on the disabled toolbar ...more >>

G'day, If I have an object of type 'Type' how do I get a type of the same object as an array of x dimensions at runtime? For example, Type t=typeof(string); Type tAsArray=typeof(string[]); Can I programmatically get tAsArray from t without having to explicity declare the type at...more >>

Hi, Is it possible to use C++ code directly in C#? (not by COM interop) Thanks....more >>

I got the code below from the .NET SDK. I am still new to C# and I don't understand how the code works. And by that I mean I don't understand how the program knows to execute it. I can find no entry point besides main. I cannot find an event that calls the code. It is a simple GDI+ applicat...more >>

Hi all: Through a Session variable, I am populating among other things the password field in a user's profile page (the Webform); this.TextBoxConfirmPassword.Text = Convert.ToString(Session["sPassword"]); The odd thing is, when you view the Webform, the password (if even it were maske...more >>

I am beginning using GDI+, C#. I am trying to find the absolute beginner place to start. Most places assume I know System.Drawing. I just can't put it all together. Code snippets alone don't help. Thank you....more >>

I have a component class that has a set of events. The class uses a worker thread to do some processing. When it is finished with the processing, it raises the appropriate events. Problem, since these events are being raised in the worker thread, the clients connected to the events are receiv...more >>

Receiving a single mouseHover is simple, just move the mouse over my control and wait. However, following this mouse hover event, if I move the mouse around within the control and once again wait, nothing happens. I have to move out of the control's perimeters and come back and wait to trigger...more >>

Hi, Is there a .NET alternative to the LockWindowUpdate from Windows's = user32 dLL ? Or is the only way to get this kind of function to import it from the = DLL and by this way making the .NET application only running on Windows = System ? Thanks for help, Steph....more >>

Hi! I want to read with C# some binary file with well defined binary structure. In C++ I was declaring appropriate struct, like: typedef struct {BYTE b1; WORD w1, w2; DWORD dw1} REKORD1; REKORD1 buff ; and then read record from file with read (file, (void *) &buff, sizeof (REKO...more >>

I am designing a UDP server(still on paper) that will receive data from various client applications(residing on PocketPCs using GPRS) I am using Richard Blum's 'C# Network Programming' as my guide. One thing I wanted clarification on was, when the author says "UDP maintains message boundary...more >>

I have an form where the whole display is a tab control (well, that plus a status bar.) I want to set the focus to the first TextBox on the first TabPage when it loads. I tried to put that into the FormLoad event, but the form still comes up with the focus on the tab for the first tab page. An...more >>

I am developing an ASP.NET website with C#, VS 2003 and Framework 1.1. For some reason every time I execute a Directory.Move command, the next command takes 10-20 seconds to execute. Has anyone else experienced this? I just want to rename a directory, so if there is a better way I am all ears...more >>

Hi all, Do you know some sites wich offer to download sample chapter of book about dotnet ? I'm very interested in this free documentation :-) Thank you in advance Joel ...more >>

Hi, I use dataGrid to show data from DataBase. In one table I've text field (varchar 2048) and data in this field is very long (more characters). How show this text in datagrid as multiline or which component use to show multiline date. Thx PawelR ...more >>

Coming out from the VC++ Background I was trying to clear the Stringbuilder object with sb.Length=0 Is this approach OK? If not what's the alternative, looks like I have run into an exception when the size of the SB is gargantous!! like > 200MB Please advice TIA ...more >>

I would like to do the same in C# code as a simple html page does with this code: <form action="http://vej-w2k3-psp/sslmodtag/WebForm1.aspx" method="post" ENCTYPE="multipart/form-data" ID="Form1"> <input type="file" name="test" ID="File1"> <input type="submit" ID="Submit1" NAME="Submit1"...more >>

I'm afraid I will incur the wraith of Mr. Powell on this one - but I did read his #1 FAQ and some others and I still can't figure this out. I created this little c# app. and I have a PictureBox in my Form. I load this image from the filesystem into the PictureBox and then I draw random lit...more >>

Hello, When trying to run the InstallUtil.exe, I get the error below. Any insights? 'installutil' is not recognized as an internal or external command, operable program or batch file. Thanks Stewart ...more >>

When translating a char array to a string, does C# treats bytevalue 0x00 as terminator as in C ? I have an char array with strings that ends with 0x00 as stringterminator - if ToString() doesnt work with this, what should i do instead ? ...more >>

I need to add some attributes and look at existing attributes to a property. Not the private/public stuff, but rather something like: System.Xml.Serialization.XmlElementAttribute What should I look at for doing this? Thanks Wayne ...more >>

Using the code below, I can pull the text from a file and store it in a string. I'd like to be able to do the same thing with a web site ... perhaps www.cnn.com. How can you do this? StreamReader objStreamReader = File.OpenText("c:\somefile\blah.txt"); //Replacing this with a URL errors out....more >>

wondered if anyone could help me - i'm trying to control the value of an attribute of the BODY tag on a page. So i've got: <html> <body test="colin"> <form ...... ** content ** </form> </body> </html> I want to affect the value of the 'test' attribute from the code-behind file. I'...more >>

hi, i have a: char[] record = new char[100]; In this i am loading a fixedlength record from a file. What i would like to do, is to copy segments from this array into either smaller strings or smaller arrays. In C i would probably do something like this: strncpy (field1, &record...more >>

Hi there, I can not find Close method of XMLDocument object. How long will it stay in the memory after it created. How can I make sure that it not in the XmlDocument object I create no long exist? Will dipose or = null help? Cheers, kids ...more >>

When you put a bound TextBox on a tab control, the underlying Text property does't get loaded until the tab age is clicked and the text box is visible. Why is that? Is there a way around it? How can I validate the data on the tab pages that the user didn't visit? *** Sent via Developersdex...more >>

I have a bunch of test case classes (.cs) files in my executable. For security and bloat reasons, I don't want them to compile into a Release executable - only into a Debug build. How do I conditionally exclude files or classes from my Release builds? In old C++ we would use #ifdef ... #end...more >>

I am working with a 3rd party unmanaged dll, and I need to pass an array of char* as an argument. I can used fixed to get a single char* as follows: char[] buf = new char[64]; fixed (char* p = buf) { ... } But I do not know how many of these to create until runtime. I cannot think of a ...more >>

Hey folks, I'm creating a Windows application in C#. I have a form with 2 tabs. I want the second tab to display a different form as its' contents. I thought I remembered doing this back in VB6 days by adding a Sub Form. Is this still possible, and if so, how do I do it? Thanks! ...more >>

Hello All, I'm wondering if the following is possible. I'm explicitly overloading SqlParameter, but get the following error when I try to convert to and from arrays. Cannot convert type 'EntityPersistence.DataFieldParameter[]' to 'System.Data.SqlClient.SqlParameter[]' Thanks, JP ...more >>

I'm writing an application with a TextBox control on its main form. I'm running the application under WinXP Pro, so (as I understand it) there should be no practical limit to the number of characters in a text box. However, when I paste in a large amount of text, the text box truncates it at ...more >>

I'd like to find an elegant solution to the problem of calling a certain function based on the types of two parameters. In my case, the functions compute the distance between different types of geometric objects, and I want to call the function that gives me the most accurate distance. I hav...more >>

Hello, I have some legacy C++ code that was re-written as a managed class. I made a C++ class library with it and I want to use it in my C# program. I created a reference to it and it instantiates the object ok, but when I go to use one of it's methods I have a problem. The method requir...more >>

Is there an event that triggers when a Session times out? I want the Intranet site I'm developing to automaticaly inform the user that they have been logged off. Thanks, Rich. ...more >>

Hi, I need to delete all the selected records from a Datagrid, but i cannot seem to work out how from code you can tell what records are selected in order to build my adapter delete command? Any help would be great. thanks Darryn ...more >>

Hi, I am tryind to delete from a table using a Stored Procedure, but I don't know how to do the following: The DELETE STATEMENT must be: DELETE FROM MESSAGES WHERE MSSGID IN (@MSGIDS) The problem is that @MSGIDS always is something like this: 1,3,5,7,11,12. It's VA...more >>

hello, I'm allocating a byte-Array in C# with byte[] byteArray = new byte[5000]; Now I want to pass this byte-Array to a managed C++-function by reference, so that I'm able to change the content of the byteArray and afterwards see the changes in C#. (if you wanna know more details: the goal i...more >>

Hi, I have in database a colomn "color". In this colomn colors are saved in hex format. Now, I have to use this format for windows BackColor. 1. Can I use this format directly without some convertions? 2. If no, how can I convert (add) it to RGB format? Thanks a lot, Ion. ...more >>

What I want to do is call a function in my main form/class from the server (which the another program/client calls). The main form does not really create a server object so I can't pass the frmForm class into the constructor of MyServer (the client side would have no idea what to pass into that...more >>

I have written an arithmetic expression compiler. Now that it is finished I would like to give it a nice interface. Currently I have this interface: delegate double Function(double x); class ArithmeticExpression { public static Function Compile(string text); ... } This can be used lik...more >>

Hi, I would like to make a regex replace in a text where links are specified like this: Click here[http://www.info.com] to read more about this subject. And i would like to have it translated into: Click <a href='http://www.info.com'>here</a> to read more about this subject. Is it pos...more >>

Hi there, I have a quick question. I want to store all my data in XML file so that I don't need to depend on database backend. But I wonder how big can my XML file be? I don't mind to span the data into multiple file but I less I know the limitation first. Cheers, Kids ...more >>

Dear C#dex, I define a variable: HttpWebRequest webRequest and run the following request webRequest = WebRequest.Create(TARGET_URL) as HttpWebRequest; The webRequest object returns values and in the debugger I can see the value I want in the property webRequest._ChallengedUri.Absol...more >>

There has to be a better way than the following code. My main area of question is getting data from a cell. This following statement is the only way I can get it to work. Just seems like to much clutter. ConvType = CurWorkSheet.get_Range (CurWorkSheet.Cells[Row, 3],CurWorkSheet.Cells[Row, 3])....more >>

How do I unbind a textbox in C#. Thanks...more >>

Hi I am a relatively inexperienced and I need help in this, what seems to be a simple task I am trying to read from a text file which contains a list of peoples names in the format 'Surname Firstname' e.g 'Mo Greene' each line in the textfile is a name. I want to select a name, I was thinkin...more >>

Could someone please suggest me a good book to learn network programming. I have been programming in C#/VB.NET/VB 6.0 and have also used a bit of C++ (not MFC/ATL/COM) I am a total novice when it comes to networks and I don't even know the basics. I need a book which teaches me ev...more >>

Is it possible to call a constructor from within a constructor I mean Class A { public A(string getModifiedVal) { ......... } } Class B { public B() { //Do some processing to get modifiedValue A(mod...more >>

I have already created a resource file (icon1.ico). ...more >>

I have MyEnumeratedSet { ... some values go here ... } I have a variable that is defined as MyEnumeratedSet MyVariable; I have a function that needs to be able to set a variable by Ref MyFunction(ref System.Enum Parameter) { ..... Parameter has to be set here } so I have tried calli...more >>

I create a new Textbox from code and i assign it a default value, TextBox AddQtytxt = new TextBox(); AddQtytxt.Text = "test"; When the user change the text (to "testDone") i want to redirect the user to a page and write the new value entered by user, i tried to use : AddQtytxt.Attributes["on...more >>