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• Determine the relative compliment of two IEnumerable<T> sets in .net

  - by SFun28

  Hi! Is there an easy way to get the relative compliment of two sets? Perhaps using LINQ? http://en.wikipedia.org/wiki/Complement_(set_theory) I have to find the relative compliment of a set A relative to B. Both A and B are of type HashSet but I think the algorithm could be made more generation (IEnumerable or even ISet)? I could use a…

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• Is the .NET 4 Framework going to change?

  - by Ardman

  Is the .Net 4 Framework going to change before the "go-live" or can we safely assume that the framework will stay the same as it currently is in the Release Candidate?

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• ASP.NET Elements are null when assigning data source

  - by deccks

  For some reason, all of the objects in my ASP.NET markup are now null when I try to assign values to their properties in the code behind. My project was going fine and then now when I try to assign a data source to a GridView, I get a null reference error. I have no idea why it's doing this. I am not doing nothing special. I am just…

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• Framework version used by .NET Framework 3.5

  - by bmutch

  I am trying to determine the version of the .NET framework that a dll is using. I have targeted 3.5 in my app but when I open the dll with ildasm.exe (on my dev PC with 3.5 installed), it says it is using "Metadata version: v2.0.50727" which is it really using?

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• Extracting the hyperlink value from an excel cell using asp.net

  - by beytz

  Hi, I'm reading an excel file using oledb in my asp.net code (vb). I have no problem going over the data but in one of the cells there is a string that "hides" a hyperlink. I want that hyperlink and not the string... Any ideas? Thanks

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• POS for .NET Known Service Objects

  - by Oliver S

  Hi, I was wondering if anyone knew where I could find a list of LineDisplays, CashDrawers, Printers, that work well with POS for .NET. I want to get around creating my own service objects for potential devices that I might by which are not supported. Thanks.

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• VB.net Color one part of text -- Listbox

  - by xzerox

  In VB.net is there anyway to make a certain part of the string to have a different color to make it stand out? This doesn't work but if I could something like this string = ("How".ForeColor(red) & "are".FontColor(green)) Would it be possible to make anything similar to this in a ListBox? If this is not possible is there a way…

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• ASP.NET membership assign roles in Windows Authintication

  - by Abdulrhman

  Hi Guys I'm working on intranet project and for some purpose i have to use windows authintication. my Question is how can i assign the users from my organization active directory to the rules that I've created in Asp.Net Web Site Administration Tool or if there is another way to create and mange rules please tell me about it. …

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• Why is a .net generic dictionary so big

  - by thefroatgt

  I am serializing a generic dictionary in VB.net and I am very surprised that it is about 1.3kb with a single item. Am I doing something wrong, or is there something else I should be doing? I have a large number of dictionaries and it is killing me to send them all across the wire. The code I use for serialization is Dim…

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• .Net Framework Prerequisite requirements if application build with .net 3.5 SP1?

  - by abmv

  What all versions need to be present on a user machine if I want to install an application (desktop wpf) made mostly out of .net 3.5 SP1? From your experiences ?

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• Previous Data in Table .NET 1.1

  - by pedro_cesar

  How can I get the previous version of data of a Row in a DataTable? The data has only changed but hasn't been saved yet. The .NET version I'm working on is 1.1

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• Diagnosing problem with running ASP.NET app as 64-bit

  - by user54064

  I need to run an ASP.NET app as 64-bit. The app is quite large and has MANY assemblies to load. When I run it I am getting "is not a valid Win32 application" error in the web page as soon as I go to the first page. That page is a very simple "Hello World" page. However, it must be having problem with loading assemblies as…

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• VB.Net equivalent of C# "As"

  - by JoelFan

  What is the equivalent in VB.Net of the C# As keyword, as in var x = y as String; if (x == null) ...

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• .NET User Management Customization

  - by Oliver S

  I was wondering if anyone could point me to some resources concerning customization of the user management system that is built in .NET. What I am talking about is: http://msdn.microsoft.com/en-us/library/ms998347.aspx I would like to know, how can I extend the user fields to store more than just common password, username? …

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• what's an easier rampup: ASP.net or WCF?

  - by Greg

  Hi I'm across winforms currently but want to write an app that users will have a LAN/WAN between them and database. So assuming I need to use WCF if I stick with winforms as the UI, or go ASP.net and go web, THEN which of these two approaches would be the easier rampup approach for me? Note wanted to use Entity…

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• A good UI design for rating in .Net

  - by Ben

  Hi, im trying to add a "rating" system to an existing form (i.e 1 star, 2 Star or poor, average,good,excellent etc). Does anyone know of a way to achieve this that is aesthetically pleasing with good UX either in .Net or a free 3rd party control? Thanks

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• VB.NET Interfaces

  - by PJ

  I am not quite clear as to why or when to use Interfaces. Can someone post a complete, simple and small example of an Interface using VB.NET in a Console Application. How is it extensible?

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• custom button captions in .net messagebox?

  - by subrama6

  Is there an easy way to display a messagebox in VB.Net with custom button captions? I came across this, in the SO archives, but it's for managed C++ http://stackoverflow.com/questions/77293/what-is-an-easy-way-to-create-a-messagebox-with-custom-button-text-in-managed-c

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• ASP.NET Security Exception

  - by Neo1975

  I moved an ASP.NET application from a XP to a new server and now I have this exception: 'System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, On this line code: System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("it-IT"); …

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• Consideration to create a UI for CrouseControl.net

  - by Nasser Hajloo

  As CrouseControl.net is an open source software and it is a good CI tool, I'm going to create a UI which make configuration easier than tricking XML. So What are the considerations and necessities. I also need to know about any documentation which may help me to implement UI. like a XML tag refrences or something…

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• ASP.NET: How to pass data to a custom error page

  - by Ronnie Overby

  How can I pass some data from a Global.asax event handler to a custom error page in ASP.NET without using Server.Transfer or some redirect?

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• Getting rowID value for a "checked" checkbox in GridView in ASP.Net

  - by user279521

  I am using checkboxs in a GridView. I need to determine the value in the cell in the 2nd column, if a related row checkbox has been checked. I am using C# 2008 and ASP.net

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• Simple .NET web development with F#

  - by Matt H

  Hello. I'm looking to output some HTML to a web page using F#. Any ideas on the best way to achieve this? I could use ASP.NET but I don't really want anything too bulky.

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• Adding new label in ASP.Net 2.0 using C#

  - by Mohamed Akmal

  I am implementing a website using ASP.NEt 2.0 and I want to add a new Label when I press an existing button Could some body help me on doing this ????

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• how to close a sqlconnection in asp.net

  - by stighy

  Hi guys, i would like to know if there's something wrong in this asp.net code: mydatareader = mycmd.executeReader() if myDataReader.HasRow then // Do something end if myConnection.Close() If i avoid to call a "MyDataReader.Close()" does the connection close anyway ? I ask this because i'm assuming that if…

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