I am using Visual Studio 2K3 writing a ASP.NET web application. Is there a way to force the C# compiler to catch possible exception? In Java, all exceptions thrown MUST BE caught, otherwise compiler would give you error. In C#, is there a way to do that? ...more >>

I am using Visual Studio 2K3 writing a ASP.NET web application. Is there a way to force the C# compiler to catch possible exception? In Java, all exceptions thrown MUST BE caught, otherwise compiler would give you error. In C#, is there a way to do that? ...more >>

I'm using the class System.Securiry.Principal.WindowsIdentity to find out if the user is administrator or not. It works very well in my machine (Wxp professional) but it doesn't in my customer computer (it is a W98). The help of this class says: platforms: Windows NT Server 4.0, Nt, W2000, Xp ...more >>

Hi is it possible to retrieve names of all hosted sites/virtual directories in my C# application,i want to show all sites and directories in ComboBox please help me -adnan *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it...more >>

Lets say I have following event handler private void PrintDocument_PrintPage(Object sender, PrintPageEventArgs e) { /// some code } If I open a watch window on "sender" or on "e", some of the items in watch window get duplicated, like; "defaultPageSettings" and "DefaultPageSettings" ...more >>

Are there any Windows hooks or Win32 API calls that would let a C# program log program launches? ...more >>

I seem to be having trouble trying to select the right value in a ComboBox DataSourced by a DataTable with a value for a DataRow... For example... In a Windows Form, I have a ComboBox: ComboBox box = new ComboBox(whatever); box.DataSource = myDataTable; box.DataMember = "the_column"; //...more >>

Hi All, I have some question about inserting new row into datatable. I don't know why my all new rows inserted into end of datatable. I am using myTable.Rows.InsertAt(dr, 0); I don't know what is mean of the pos parameter. I also found problem from MSDN. row The DataRow to add. pos ...more >>

(1.) What is the general meaning of the term 'callback'? (2.) What does 'callback' mean, as used in the context of threading? Many thanks, Zach. ...more >>

Is there any way to have .NET IDE to handle versioning for your application? If for example you want a certain build number to increment every time you build your project? Would need this version to be accessed by the application itself....more >>

Say I have a table of companies, and a table of industries (like automobiles, steel, computers, etc..) A company may be involved in industries, so there's a third table- a mapping table- which just keys a company to a specific industry. This table can have multiple rows for a single company...more >>

I'd like windows spawned off my by main window to always stay above that main window, even when you give focus to it... how would I do this? The only property I find is one which makes that window stay on top of EVERYTHING, including outside apps... I just want the windows to stay on top of my...more >>

I want to add a datalist to a Repeater control. The data for the datalist resides in a cached DataSet that contains two related tables. The data in last child table should be rendered in three columns, so I have decided on a DataList control for this purpose. A repeater will render values from t...more >>

Hello. I'm new in regular expresions. I want to validate time... For example: Valid times -> 12:30, 19:59, 0:00, 1:15, 05:40 Invalid times -> 24:00, 12:61, 53:20, 50:60 Can anybody show me regular expresions for validating such time string? Than you. ...more >>

Hi all, Willy kindly gave me this code recently but it doesn't work when I try to use a UNC for fileObject. Has anyone ran into this issue? string fileObject = @"c:\\temp"; // Watch the double Backslashes using(ManagementObject lfs = new ManagementObject(@"Win32_LogicalFileSecuritySetting....more >>

Hi All, While the existing datatable is looping, I can insert new row into datatable, but I can't insert it between datarows. All new rows will inserted into buttom row. Please advise!...more >>

I'm compiling a C# project with DirectX 9, but the compiler finds that Microsoft.DirectX namespace is not available.... How to add the namespace to the C# App, thanks a lot Jack ...more >>

Hi, I am looking for books about design patterns for server application.\distrubuted application I have an Adaptable multithreaded server which send and receive different type of messages using different type of communication devices and need to differently process each type of message...more >>

Fairly simple question - NDocs doesn't work with VS2005. Can I convert the XML documentation to a readable format using any other method? - Sahil Malik http://dotnetjunkies.com/weblog/sahilmalik ...more >>

I have a base form (Windows.Forms) that really should be abstract. There are certain methods that must be overridden. However, if I make it abstract, I can not get designer support. (VS tells me " The designer must create an instance of type 'Bloodhound.MaintBase' but it cannot because the ty...more >>

Does anyone know of a way to make an invisible column in a System.Data.DataRow? In particular, I need it to work on a web application. I was planning to store a record identifier in this row so that I could identify the record on postback. The problem is that all the rows seem to display a...more >>

Hello! I'm starting to dive into algorithms in general (sorting, trees etc.) and am currently reading a book from Robert Sedgewick called "Algorithms in C++, 3rd. Edition" and would like other book recommendations on algorithms, perhaps less hardcore than this one. Although very interesting...more >>

Greetings, Is there a way in which to force a ballon or toolbar window to "pop up" upon reaching a given condition? Currently I have it changing the text of the toolbar. What I want is to have display this without the user mousing-over/clicking etc. This would be similar to a net devic...more >>

How do I get regasm to register my executable as a localserver32 instead of or in addition to being a localserver32? Andrew S. Giles...more >>

Hello I need to programmatically change the permissions (ACL) on a specific registry key in a .NET app. Is there a way to do this in .NET? Thanks for the help, Ashok ...more >>

Here's the situation: I have 3 webforms in my project. Form 1 allows the user to select a type of report to generate. There are 2 possible type of reports, and therefore, Forms 2 and 3 are these two generated reports. When being generated, both reports will need to use the exact same data. T...more >>

Here's the situation: I have 3 webforms in my project. Form 1 allows the user to select a type of report to generate. There are 2 possible type of reports, and therefore, Forms 2 and 3 are these two generated reports. When being generated, both reports will need to use the exact same data. T...more >>

I'm in the process of converting an application that used to be hosted by IIS to a Windows Forms application using remoting. One of the features that the web application supported was single sign on - that is, you had to authenticate to the IIS server, but if you were in the same domain and ...more >>

Today I went to compile a solution I've been working on for months. I've been off most of the last few months, so there's been a gap in the work, but I did compile it a few times earlier this week. Today I get a message: Could not write to output file 'D:\DevelopmentProjects\Enterprise\Custo...more >>

Hi, I am creating an object say File in the middle layer. I have designed methods like Delete, Update etc. I also want the static versions of these methods. So having the two methods with different signatures. The instance method is parameterless and calls the static method which has paramerte...more >>

Hi all. I'm getting a problem with forms. I have a tradictional scene where the first Form comes up with the login and if the user logs in, get the second form with the whole system. Basic doesn't it? So what I want to do is, when the user logs in, the login form is completely closed (not h...more >>

Hello. Is it somehow possible to create a real exe in C# and not only the IL? I think for Java there is a possibility... Greetings and thanks for all information, Tim. ...more >>

I am writing a function in C# that will export the Application and System event logs to a file for viewing on another PC. I am using the EventLog class, and am able to browse the events in the log. What I would like to do is export that data to a .evt file, so that the log can be opened and ...more >>

Is it good programming practice to call an event within an event? I'm I creating recursion somehow somewhere? Does an event (e.g. send, e) ever end? I'm sorry, I'm not sure I know what I mean, however, I do know what ever it is I should be aware of it. currentcell_event(..) { .. .. ...more >>

Hello, How do I parse a string that contains a URL and get the filename only? i.e. string tmp = "http://test.com/downloads/test.exe"; I just want the test.exe.. Thanks in advance. KC ...more >>

Can anyone perhaps tell me what C# code to use to read data from an Access Database of yes/no data type? I can read all the database columns except columns of yes/no type. When trying to read yes/no data type, I get: System.IndexOutOfRangeException: Any help will be appreciated. Mart...more >>

Hi all, I have a directory entry object the specifies "members" in its properties collection to retrieve: groupEntry.Properties("member") Instead of just using "member" to return members I am trying to find a list of all possible values that Properties takes. Can't seem to locate it in ...more >>

My Winform's constructor currently takes one parm, which is an integer. But I need for it to be able to take an integer or an array of integers. Is it possible to "create" two constructor methods? Thanks. ...more >>

I am using RegistryKey reademai2 = Registry.LocalMachine.OpenSubKey(launch_email_path, true); string launch_email = (String)reademai2.GetValue(""); To get the value, in the registry, value = "C:\Program Files\Internet Explorer\iexplore.exe" -nohome but If I used string launch_email = (Strin...more >>

I've installed the Directx 9.0 SDK. Can anybody tell me please what assembly should I import so that all its namespaces will be available in the VS.net.. Thanks for your help. ...more >>

Hello, How do I hold a console application open in C#? Thanks, Ron...more >>

I'm writing a family of classes which all inherit most of their methods and code (including constructors) from a single base class. When attempting to instance one of the derived classes using parameters, I get CS1501 (no method with X arguments). Here's a simplified example which mimics the...more >>

Hello, I have a web user control which dynamically loads controls into a placeholder control at runtime. The controls loaded into the placeholder's control collection depends upon which tab has been selected in the tab (repeater control with buttons) control. The problem I'm having...more >>

thanks ...more >>

Hello, The following code works fine, but I need to set the `ISBN` to be the primary key. I'm using ADO, C# and haven't come across anything that google could help me with. Any pointers/tips/help would be appreciated....Thank you for your time.... public bool CreateDataBase() { ...more >>

Hello I am using a TabControl wich includes a ListView on each TabPage. On the click event I use the text on each tab to fill the ListView with data. When the user click on a TabPage a use the Validating event to validate the data in the ListView. Now to the problem, it seems that after th...more >>

I downloaded the Directx 9.0 SDK And I try to run its C# samples... but the VS net doesn't find recognize the using Microsoft.Directx... How can I import it? Thanks a lot!!...more >>

I am developing an application which need to support various data sources like SQL Server, Access, Oracle etc I am in search of a design pattern which will best suit my requirement. Can somebody help me in that .. -- Rahul Deshmukh MCP - SQL Server 2000...more >>

This should be easy for a C# programmer. In the code below: 1. how do I modify the code for the Msg function to return a result (the button clicked)? 2. how do I trap the value in the Main function? Thank you. using System; using System.Windows.Forms; namespace mine { public class pers...more >>

Hi, I want to display different forms when the buttons are clicked and all the forms are having different controls on it. So instead of adding new windows forms to the project, i enlarged the form and used many panels on the same form, which i think is easier to manage. However, i am having...more >>

how can i get the state of a process by use a nother process. *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!...more >>

I have 3 columns in my datatabel name Total,unit,Price. I use a column expression in my project..and in this expression i multiplied two column... for example MyTable.Columns[3].Expression="Price*Unit"; but when i want to update my datatable an exception arise and says can not update com...more >>

I'm having a problem with something I thought was quite simple. I have a function in a C DLL. Let's call it SomeFunction. This is the prototype for SomeFunction: void SomeFunction(char * anArrayOfChars); where anArrayOfChars is an out parameter. I thought all I had to do was declare it...more >>