When do we know when to stop receiveing data in BeginReceive callback...more >>

Hello friends, Can any body tell me the sample code to convert a Tiff image to a Gif or Jpeg format. The Resolution of picture is a big concern keeping in mind. Hope to get the response from all of you. Regards, Pushp...more >>

How do I tile an image using asp:image?...more >>

Why in VS 2003 ,some of the classes have different icon than the others.some of the classes have an icon with "#" on it and the rest have another kind of icon with two rectangles crossed eachother(I've seen some places they call it components)? Thanks for your help. ...more >>

I think I'm going brain dead on this one. Can someone give me an idea on how to do this? Some sample code would be helpful. ...more >>

I have a countdown timer which I want to run in the background while I'm using another application. I want the timer to pop up when the countdown is complete, or at least have the icon flash in the taskbar. Any ideas?...more >>

Hello, I am having a problem trying to serialize this simple structure, I use it in a collection class that derives from CollectionBase but I noticed that at least for now the serialization exception ocurrs when i try to serialize this structure (see below). The idea is that it would be ...more >>

Hi, When programming, some time there is a need to change some variables' name while finding a better name. However manually change it one by one is so tedious and time-consuming. What I am looking for is a tool that may provide the functionity automaticlly changing variable's name t...more >>

I've used the Designer to create a strongly typed Dataset class from a stored procedure definition. I called this class cMyDSraw, and the table within it is called MyTable. The Designer generated nested class definitions for cMyDSraw.MyTableDataTable and cMyDSraw.MyTableDataRow. Everything...more >>

Hi there, I would like to know how many storage size of nvarchar data type needs to store in database for a growth string dynmically. [For example] string sAccountName = "AAAAA"+"BBBBBB"+"CCCCCCCC"+......; cmd.CommandText = "CREATE TABLE myDB.dbo.tblAccInfo(AccountName(????)) (????) m...more >>

I have create a setup project for a dot net application integrated with embedded crystal reports. The setup is running perfectly on the local pc and open the reports for given data but not opening the reports to other systems where it is being deployed, giving error of invalid parameter and hangs...more >>

My Computer : Window XP Pro English Version -> I have set the "Regional" to "Taiwan" Mysql 4.1.x -- > set to big5 already i am using C# to program. When i retrieve chinese character from the mysql database, the chinese character will become "????". Alternatively, when i insert the chines...more >>

In specific (repeatable) cases the client fails to connect to the server running on the same machine. The client receives the System.Net.Sockets.SocketException: "A socket operation was attempted to an unreachable host" although the server is still running and listening on the right port (45326 ...more >>

My datagrid has a big problem, it happens only in columns that are read only. Please see the picture at http://mega.ist.utl.pt/~pfrg/datagrid/datagrid_problem.jpg The gost that I show it?s like a new readonly textbox. If the selected cell it?s not readonly there?s no problem. I think that the p...more >>

How to control the scroolbar.location of ListView? I have a ListView with many items. I want to locate ListView scrollBar to bottom, top, or some item. How can I do that ? Thanks Charles Shao ...more >>

Hi, I'm running ClrProfiler for the first time to profile my web app, and it keeps getting stuck at this msg box: "Waiting for Asp.net to start common language runtime - this is the time to load your test page." even after I launched my app and aspnet_wp.exe is running. Do you know what I n...more >>

I got GetPrivateProfileString to work using interop, but there is something that is bugging me. This is the syntax provided on Pinvoke.net [DllImport("kernel32.dll")] static extern uint GetPrivateProfileString( string lpAppName, string lpKeyName, string lpDefault, StringBuilder lpReturnedS...more >>

How do you write a COM server in C# VS 2003? I can't believe it but I can't even find the words COM in the help for VS related to COM servers. Did Microsoft Rename it again or can VS C# not handle the task? Why is there nothing available for me to read? Thanks, glenn ...more >>

I'm a newbie and i'm doing a little application in C# for a Pocket PC that open image. I don't understand what i've to do to have a zoom of an image...i don't know where's the error. If anyone know a simple code tell me the url :O) private void Zoom200_Click(object sender, System.EventArg...more >>

I am having trouble removing a pipe character using Regex.Replace - see the 2 NUnit tests below: The first replace works fine and the second Replace does not work. I've tried escaping the pipe character. Can anyone get this to work? Thanks Glenn using System; using NUnit.Frame...more >>

How to automatically Logout or Even Turn off the machine? I am NOT creating worm. Just to restrict my kids' computer time. ...more >>

Hi When I display a message box in C# or VB .net the fonts of the message are invisible i.e. i see the message box but not the message. Even the OK, NO and CANCEL buttons do not show any fonts on them and are blank. I have tried reinstalling VS .net but the problem is still there. I tried to ...more >>

I am trying to crete a method that will convert an improper fraction to a mixed number... I am not sure how about how to acomplish this. I know I can get the remainder with the modulus operator (%), but I am not sure how to get the quotent. any insight would be appreciated. thanks...more >>

Hello everyone! In the setup project I need to add condition that user have "Administrative privileges" before the installation starts. If the user doesn't the installation will stop. Anyone know how to do it? As I understood I need to add condition to property window. Am I right? If I do, p...more >>

Hi, I have a C# service application - and a Win32 / C++ service application running on my system. I need someway to interact between those two - the Win32 application is pure Win32 - so im not using any components or anything like that. The 2 alternatives i could think of was, messages ...more >>

Hello, I am supposed to write some code with Microsoft Visual Studio Tools for the Microsoft Office System and C#. However, I am not sure what to download and where to download it from. MS has a getting started page ( http://msdn.microsoft.com/vstudio/office/officetools.aspx ), which ex...more >>

Hi, Using Windows 2003 Server, if I access a LAN machine with the same OS to browse it's "C:\WINDOWS\assembly" path I get my machine list not the remote one. Regards, Narcís ...more >>

I have a treeview that I am continually added nodes to. Each time a new node is added I would like to select that node. Is this possible? I have looked at selectedNode, but I don't know how to point that at a given node using the nodes name. I have the nodes name and it's parents name....more >>

Access quickie question- Have a table called ValidAxes. Design as follows- FieldName Type Null OK ? -------------------------------- ProcessType Text NO EEType Text YES .... .... -------------------------------- Have 2 records in the table. Records as follows- ...more >>

Hi, wondering if would be possible to find out what files are cached in browser cache (temporary internet files) when using Webbrowser control? What about read files list? (e.g. what images are read) Can I find that? FlyFish ...more >>

How do you do a VB.NET type Collection in C#?...more >>

Is there a system dialogbox which I can use to add, change or check users accounts? Something like users accounts in control panel. Hrcko ...more >>

I have a form where a user will check boxes next to items that have been completed. They will click a button on the form to mark the items as completed. When they do this, I will have the 'parent' form instantiate another form where the details of this completed event will be entered. Once th...more >>

I have 3 radio buttons for include, exclued or 'select all' from the listbox items. If a user selects the 'Select All' button' then all items in listbox is hi-lited as selected. Now, when user selects one item out of the 'all selected' listing then there is now only one item selected. How a...more >>

How do I retrieve the HTTP Status code (ie 202, 404, etc) below? I am currently receiving the response text but unable to access the response status code. string strNewValue; string strResponse; // Create the request obj HttpWebRequest req = (HttpWebRequest) WebRequest.Create(txtURL...more >>

C# doesn't allow multiple condition in a single if ? Or did I make a mistake with my syntax? It keep giving me syntax error when I put "and" or "or" in the if statemnt for multiple condition checking. if ((radioAllItems.Checked = TRUE) and (this.lstSelections.SelectedItems.Count < lstSe...more >>

I have looked but can't find a way to pull up the registry editor within a propertygrid. Is this possible? If so, can you tell me how? -- Steve...more >>

How to add a shortcut Ctrl+S ? I want to add a new function for user to provide Ctrl+S to save things. How can I do that? Thanks Charles Shao^_^ ...more >>

Hi There, I have always wondered what sort of security is the best for a windows application. I am designing an application and I wish to understand whats best to implement. Is it role based security? Shall I handle security in SQL tables. What is the best way of providing access to vari...more >>

How to get event of Esc pressed? I want to do something when user press Esc Key in my form. I tried OnKeyUp event but code will never get here. God, I'm confused :P Thansk Charles Shao ========================================================= this.KeyUp += new System.Windows.For...more >>

Hi, Can anyone please tell me if there is any difference in throwing an exception with or without parentheses, e.g. try { /* code */ } catch (Exception ex) { throw (ex); } try { /* code */ } catch (Exception ex) { throw ex; } ...more >>

How can I break out of a try clause? In vb.net I can do 'Exit try'. How do I do that in C#?...more >>

Quick C# question: I have comma delimited values in a string array that I want to pass to seperate variables. Any tips on splitting the array? Thanks in advance! JM *** Sent via Developersdex http://www.developersdex.com ***...more >>

I have a Windows Forms application with a DataGrid attached to a DataSet. The DataSet consists of some 36 tables. I would like to expand all of the tables at once in the grid. Is there a way to do that? Expand(-1) doesn't seem to be doing anything. DataSet ds = report.GetDataSet(); ...more >>

Hello, Here is my try to show all the Group elements and it subelements in a tree view. I think something with the x-path implementation is wrong because I don't see any result although there are such elements,could you please tell me what is wrong? The Code: private void populateTreeControl...more >>

Hi, How can I launch a java application from c# code without console window? My command is like: javaw -cp .;lib myApplication Thanks ...more >>

Hi, I would like to include the build time in my application. It's for my ? / About ... menu. It's annoying to change the label.Text property for every release. Is it possible to do so? Thanks, Sitar. ...more >>

Is it possible to create Windows Services that executes other applications (batch files), checks for newer versions (placed to a specific folder) and terminates them by demand (or as scheduled or as new version arrives)? It seems that first part - execute application is easier than the last ...more >>

Hi Everyone, I want to build up a web services that uses the Excel Object in .NET (COM). I typed down the code and everything compiles fine. But when I run it, a debug message is given : "Access is denied" when I want to pass this line : "m_objExcel = new Excel.Application();" What's the ...more >>

Hi All, I am trying to display an int as it' sHex representation, and looking on MSDN it appears this can be done with .ToString("X"). This does work, but the example on MSDN (http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemenumclasstostringtopic.as...more >>

When a control's 'Click' event is triggered, is there a way I can test whether the CTRL / Alt / Shift keys are pressed as well? I've thought about capturing KeyDown events before the click but this assumes that the control is in focus which won't necessarily be so. ...more >>

Hello Experts, I am having C++ code. Now I am porting that C++ code to the Visual C#.NET. In my C++ code I used the windows functions such as "PurgeComm", "SetCommTimeouts"... etc. How can I port all these functions to the Visual C#.NET? I am very much new to Visual C#.NET. So I don't know much...more >>

I'm a newbie and i'm doing a little application that open image. I don't understand what i've to do to have a zoom of an image...i don't know where's the error. If anyone know a simple code tell me the url :O) private void Zoom200_Click(object sender, System.EventArgs e) { PictureBox....more >>

Hi I was wondering if anyone out there knew how to give a Excel workbook focus. Problem is that if I go away and do work on something else e.g. E-Mail while the C# program is dropping data into Excel that it will miss data. How do I give the Excel workbook focus so that it will drop the dat...more >>

We currently use an online Task Management System that uses a login form. This System has some reports that can be ran, however: you must do them individually and also log-in to the system. This is a process we would like to automate. Is it possible to emulate the login process? We wou...more >>

Hello , Here is the code of the function I want to use: private TreeNode CreateTreeNodeFromXmlNode(XmlNode node) { TreeNode tmptreenode = new TreeNode(); if((node.HasChildNodes) && (node.FirstChild.Value != null)) { tmptreenode = new TreeNode(node.Name); TreeNode tmptr...more >>

All, I have created one assembly say project A using c# that I would like to reference from another assembly also written in c# called project B. Now in project B I select References click the browse button and browse to project A now do I select the project A assembly in the bin\debug or o...more >>

I need to run an executable from within C# code. In the VB6 world, we would use a Shell function to run an application. How would this be done in C#? -- Robert Hill ...more >>

hi all i am migarating to C# now , and kindly have so many questions about using FCL instead of MFC for example how to Get and set desktop image in C#? thx for ur interest in advance ...more >>

how I can do the following in C#, (the define line below) c/c++ : #define MAX_LEN 0x23 for (int i=0;i<MAX_LEN;++) array[i] = 0xFF;...more >>

Im' trying to add a textbox to a word document with this code: appWord.ActiveDocument.Shapes.AddTextbox(myOrientation,10,567,50,156,ref falseObject).Select(ref falseObject); appWord.Selection.ShapeRange.TextFrame.TextRange.Select(); ..... but the debugging tool reports a "type mismatch" ...more >>

I'm unfamiliar with console apps. Can i have a Load event in it like you can for web and windows project templates. thank you. ...more >>

I am right in thinking that if I have a class that can be accessed by more than one thread in my application then I should mark *all* instance variables within that class with the volatile keyword. Also is it right that if the access to the variable is within a lock then this is not required, si...more >>

Hello, I have such declaration in function: tmptreenode = new TreeNode(node.Name); but I need an attribute name and not Name ,I tried to do something like that: tmptreenode = new TreeNode(node.Attributes); but it doesn't work,how can I solve this? Thank you v. much! *** Sent via De...more >>

Hello, I am buliding a tree view and wanted to know in which control (maybe something like listdata) and in which way I can present the detailes of each node(I am dividing the window into 2 parts the one is the tree) How can I implement the details of nodes part? Thank you! *** Sent via ...more >>

Hi, I am attempting to convert this vb function to csharp but I am getting stuck on the if statement dt.Rows(iLoop)("FAQCategoryID")). The compiler says "method name expected" and underlines dt.Rows[iLoop]. I don't understand. Thanks for your help. Function GetSelIndex(CatID as String) as I...more >>

Hello I want to be able to show/hide an application that is running. When i am getting the handles corresponding to an MS Office application (Excel for example), it appears that i get a handle for the Excel MDI application which got MDI children corresponding to the document(s) opened. Therefo...more >>

I am using the XmlDocument class to generate a XML document "on the fly", I mean, build it in memory so as to extract its contents with the property "OuterXml". I know how to create elements and attributes inside these elements, and text and more elements inside elements... ¡except the firs...more >>