Hello, I want to bind a list box to a collection that will be pulled dynamically from a web service. The data that will be pulled will consist of a name and id. I want my listbox to display the name but, when a name is selected, pass the id as the value. i've read and googled but i can...more >>

What's the equivalent color of the default background in C#? I want set the a circle to that color after I draw it. Thanks. C# color link http://www.flounder.com/csharp_color_table.htm...more >>

Hi, I wish to display and edit 3 collections of different object types, each object type also has a collection of the other 2 types, such that if one object contains another then the reverse is always true, a many to many relationship. the objects are 3d objects making up a wire mesh model, ...more >>

Hi, I have a thread which I call like this: // Allocate a new thread containing class with the host getInfoThread git = new getInfoThread(host); // Create the thread and call the Go method new Thread(new ThreadStart (git.Go)).Start(); // Sleep for 5 ...more >>

Hi, I'm looking for ANTLR input file with C++ grammar which is configured for C# output. Does anybody know where can I find it? ...more >>

Is there a way to get the signal strength of all surroundin access points in c# on a vista pc? regards Maarten Weyn ...more >>

Hi, I have a situation where I have multiple objects created from concrete classes: // Concrete implementations of the Abstract class ApprovalChain MarketingApprovalChain MktgAppChain = new MarketingApprovalChain(); AccountingApprovalChain AcctAppChain = new AccountingApprovalChain(); I...more >>

I have an object i want to test before putting into real code. How do i do that in vs 2005 standard? ...more >>

I am used to dealing with recordsets and I am using a coarse-grained object and need to know if I am doing it correctly. I have a class named Activity which represents an event being planned (golf outing, dinner dance etc.). The Activity hold a list of Registrations which represents some c...more >>

Is there a way to loop over the static variables of a struct? public struct FunFoods { public static readonly Guid GRANOLA = new System.Guid("00000000-0000-0000-0000-000000000101"); public static readonly Guid TRAILMIX = new System.Guid("00000000-0...more >>

Hello! Assume I have the two classes Test1 and Test2. They are very similar. Test1 initialize the instance variable in the C-tor but Test2 initialize the instance variable without using the C-tor. Both classes can be seen below. In this simple example it doesn't matter because Test1 is the ...more >>

Hi I'm writing an application in which i have a listview. I'm using Hottracking / Hoverselection properties set to true. This gives me a control with each item looking like a hyperlink, but is there any way to disable the typical blue 'selected line' so that the only visible indication of w...more >>

Hi, I have a pretty basic question. I have a C# control with lots of classes and I need few instances(manager classes) shared by all the classes in the conrol. So I define a Static Class and it works OK. Now When I want multiple instances of the control in the same application and eac...more >>

Hi, I am trying to optimize some c# code that contains lots of code such as String name = null; try { name = myXMLElement.Attributes["name"].Value; } catch { } [OK - I admit it - It's my code!] The code needs optimizing, and I suspect throwing exceptions like this is t...more >>

Surely it must be possible to access an assembly's name (ie the name of the ..exe or .dll file to which it will eventually compile) at compile time. All the information is available within VS, but how do I get at it? (Actually what I'd like to do is get the assembly name of a referenced ass...more >>

Hi I have a Dictionary<string, List<string>>, which i have successfully filled. My problem is I need to create a filter expression using all possible permutations of its contents. i.e. the dictionary essentially creates the following array: Key Value Column1 1 Column1 ...more >>

Hi, I have some codes in C to do some complex calculation. In order to use it in C#, I wrap the C codes using C++ and create a unmanged dll, then my program will call the dll from the C#. The application has been working ok. However, it is not convenient for me to debug the codes since a...more >>

I've got this application that watches a directory for XML's and then parses them into a DB. It then moves them based on if the XML was succesful or a bad XML... foreach(FileInfo file in dir.GetFiles("*.xml")) { try { ParseXML(file.FullName); } catch { FilesToMoveError.Add(file...more >>

I have a datagrid that displays related child rows from a master table. I have set the datagrids datasource to the relation I set up in the main dataset I created a dataview in order to keep all the form's controls in sync This all works great EXCEPT I would like to set the datagrid so...more >>

Hello, Newsgroupians: I'm a little confused when it comes to threads in C#. Here's what I'm trying to do... I have a List<> containing a set of MyPoint(s)... public struct MyPoint { int x; int y; int val; } class MyClass { List<MyPoint> m_list = new List<MyPoint>(); ...more >>

Hi, I am new to C# and ObjectDataSources and have encountered what I think is a strange problem. I have a web page that has a formview on it. The formview is set to insert mode in the page load. The ObjectDataSource for the form has a procedure for inserting. Ths procedure adds the new rec...more >>

can anyone help with this problem, it seems to fail when I try to initialise the XMLSerializer. I'm getting a "There was an error reflecting type ... " innerexception: "Cannot serialize member 'CommercialWebServices.DataAccess.ResponseStructures.RequestParameters.Parameter' of type 'System....more >>

Hello, hopefully someone can help me. I am reading and learning steadily about threading and asynchronous programming, which to me sound like the same thing. At the moment I am not sure what the difference is between using ThreadStart and delegates instead of using BeginInvoke. Can both of t...more >>

hi all can anyone show me how i add a button to each row in a listview? i'm adding each row like this but i need to add a button as well lv = new ListViewItem(id); lv.SubItems.Add(xx); lv.SubItems.Add(yy); m_lstView.Items.AddRange(new ListViewItem[] { lv }); when i do AddRange i nee...more >>

Hi, I've created a class library assembly containing several string resource files, like: - TableColumns.resx - TableColumns.de.resx - General.resx - General.de.resx I don't know how to address each of these having automatic language fall-back enabled. If I write... new Res...more >>

Hi there, i'm trying to run a powershell script from a aspx page. Here's the code: //Powershell arguments String powershell =3D "C:\\WINDOWS\\system32\ \windowspowershell\\v1.0\\powershell.exe"; String args =3D " -PSConsoleFile \"C:\\Program Files\ \...more >>

Is there an easy way to convert tableAdaptor queries into stored procs without messing up the dataTables in the dataSet or losing the queries themselves? ...more >>

I have this function that will fill the ellipse every 10 seconds with specific x,y,w,h. Now I want do the the reverse, to clear the ellipse with given x,y using Timer at every 30s. Or I have put these (x,y,w,h) to an array? Later go back the array and fill ellipse with the same color as back...more >>

While iterating a collection it is not allowed to remove its element. However code below runs *without* (!) error in .NET 2.0 and 3.5 There could be some buggy IEnumerable implementation that fails to report errorneous removal of collection content Please confirm, is this .NET bug ? And...more >>

is it anyway to call C# DLL (manage) with Delphi ? Thanks ...more >>

I like to use the AlternateRow option for DataGridViews, so that the odd rows have a defaut style, and the even rows have an alternate style, usually just a light blue backcolor. Sometimes I need to change the style of cell to give a visual clue about the data, for example, italicise it. But ...more >>

Hi, I use C# to build a window service, inside it, there is a complex function dosomething() . Now in asp/VB, I need to call the docomething(), is it possible? ...more >>

Hi! I am looking for the .NET 3.5 SDK Documentation (the most current version I can find online is for .NET 2.0). If you could provide a link or information as to when it'll be released, I'd be very happy. The .NET 2.0 SDK Documentation is a really great tool and I keep it available at all ...more >>

Hello, Newsgroupians: I've two questions regarding the System.Threading.Thread namespace. First, what is the point of having a ThreadStart parameter? For example... using System.Threading; Thread myThread; myThread = new Thread(new ThreadStart(myFunc)); // This works myThread = new T...more >>

Hi all, I was wondering if there is a way to get the number of references an objects have (ie, other objects reference that object)? I know that .Net GC uses a different mechanism than the RefCount in C++ since .Net uses managed objects. I just need to know if there is any way possible to get...more >>

Is there a list of commonly used exception types out there and what they are intended to be used for? Thanks! ...more >>

I'm putting a radG:GridTemplateColumn together (which is probably irelevant), and within it I'm using a Label, as so: <asp:Label ID="defaultDescription" runat="server" Text='<%# Eval("description") %>'></asp:Label> Fo this Label, I'd like to only show the first 50 chars of the "description"...more >>

c#, .Net 2.0, VS2008 I have a user control, and wish to embed other custom/user controls within this control. I am getting problems in compilation though, that the type or namespace cannot be found. I have used the same namespace for both components. Everything compiles and works fine ...more >>

hey all, this is what i thought would make sense to me but got the infamous "Object not instantiated" error: DataTable dt; dt = mySprocDt; DataTableCollection dtColl = null; dtColl.Add(dt); instead i had to do this to make it work: DataSet ds = new DataSet( ); DataTableCollection...more >>

Hi all, I am working with C# CF2 on windows mobile 5 phone edition on a Symbol MC70 device. For some reason the KeyDown Event doesn't fire when you use the keybd_event to send the VK_Return= 0x0D. If I use the hard keyboard Return I get. KeyDown KeyPress KeyUp KeyUp If I use ...more >>

Hello NG, I now have the ISO image of VS2008 on my (external drive) :-) Now I am thinking of the right way to go from VS2005 to VS2008. Currently I have VS2005 prof german installed. For a parallel installation I don't have enough room on my system. Also at the moment only the english versi...more >>

I am trying to use a StreamReader to read consecutive bytes into a byte array until a ";" is hit, then store everything read up until that point into a new byte array. I have a semicolon-delimited file that I am trying to read and parse using StreamReader and byte arrays. Thanks. ...more >>

Hi I have a designer generated class when I made a user control project. There is a comment warning: /// WARNING: If you change the name of this class, you will need to change the /// 'Resource File Name' property for the managed resource compiler tool /// associated with a...more >>

Hi All, I have the following (much-simplified) situation. I have a class, part of which involves drawing graphics on a Canvas. I may have a number of instances of these graphics, which may include a line, two rectangles used as endpoints, and perhaps a label for the line. I want to som...more >>

Hi all I noticed that if Select stmt returns dataset containing two tables, executing FillShema only populates schema info for first table only. Simple test: (.NET 2.0) .... string strSQL = "Select * from tableA select * from tableB" OleDbConnection cn = new OleDbConnection(strConnectio...more >>

Scenario: I have a form and two text boxes and one datagrid. I have a dataset composed of two tables Questions (QuestionID, QuestionText) Answers (QuestionID, AnswerText) there is a one to many relationship between Questions and Answers defined by this Relation (QuestionAnswer) in the d...more >>

Hello. If this is the wrong group for this, please let me know. I'll post it somewhere else. I've been doing data imports into MS Excel (ver 2007) and using the CORREL function. What I was wondering was is there anything like this in Visual Basic or C#? Or even a DLL? I've got VS2008 and...more >>

I have two labels on a form. The text for these two labels is assigned at runtime. lblLeft lblRight If the text for lblLeft is wider than the default, the text runs into lblRight. How do I make lblLeft automatically expand to the left? Thanks, Randy...more >>

We're currently architecting an enterprise Windows app using WCF. However, now with LINQ, we're planning to re-architect that way instead. I've prepared the below in an attempt to explain/sell the new approach to our team. Any feedback would be greatly appreciated. Early 90's: fat cl...more >>

I have a delete query that spans 2 tables: NewsArticles and NewsHeaders. I am trying to figure out what tableAdaptor to put the delete query under since it deals with 2 tables. Should it be in the NewsArticles table since thats what it does? is delete newsArticles? or should it be in the New...more >>