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• Integration of C#, F#, IronPython and IronRuby

  - by prosseek

  I was told that the assembly files made from C# and F# source is interoperable as they are compiled into .NET assembly. Q1 : Does that mean that C# can call F# functions just like they are C# functions? Q2 : How about the IronPython and IronRuby? I don't see any assembly dll from the IronPython/IronRuby. Q3 : Is there any easy way to use IronPython/IronRuby functions from C# or F#?

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• Not able to select a Font file from Windows Fonts folder using OpenFileDialog

  - by nils_gate

  I am trying to use the .NET Windows Form OpenFileDialog control to select a font file (not a font as you would with the FontDialog), but the dialog will not allow a mouse click to select a file in the C:\WINDOWS\Font directory. Any ideas for choosing a font file

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• Get individual query parameters from Uri

  - by Ghostrider

  I have a uri string like: http://example.com/file?a=1&b=2&c=string%20param Is there an existing function that would convert query parameter string into a dictionary same way as ASP.NET Context.Request does it. I'm writing a console app and not a web-service so there is no Context.Request to parse the URL for me. I know that it's pretty easy to crack the query string myself but I'd rather use a FCL function is if exists.

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• Choosing between WPF and Silverlight

  - by user43498

  Hi, We have an existing web application developed using ASP.NET/Ajax We are planning to move it to either WPF or Silverlight. Can someone please compare these 2 technologies with respect to productivity,performance, maintainability,trade-offs, their pros and cons etc ? Thanks for reading.

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• Unable to add PageFunction to my project.

  - by Shimmy

  I add to my project a PageFunction and I get a dozen of the following error and the project won't compile: 'ResourceDictionary' root element is a generic type and requires a x:Class attribute to support the x:TypeArguments attribute specified on the root element tag. Basically I get an error for each DataTemplate I merge in the ResourceDictionary, has anyone encoutered this problem before? Note: I use VB.NET 3.5 on VS 2010.

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• Ndepend reports not showing up in CruiseControl Dashboard

  - by Premkumar

  I am currently in the process of setting up ndepend report generation as part of Continuous Integration build process using CruiseControl.Net, I have followed the instructions outlined in ThoughtWorks Website. The ndepend tasks runs fine and the reports are generated correctly but when I goto the dashboard and try to bring up the ndepend reports, nothing comes up (it displays blank). Does the cruisecontrol dashboard application expects the ndepend report in a particular file under the working folder or the artifact folder ?

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• Entity Framework 4.0 Mapping POCOS with different property names from db fields names

  - by ace

  Hi, I'm a newbie to ADO.Net Entity framework 4. I have a set of pocos which I need to map to a legacy database. The problem is that the db field names are different to the poco property names. eg. db field name = 'cusID' and poco property = 'CustomerID'. What is the best way to map these?

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• How to open associated files in the same instance of an application

  - by Alexei

  I want to open files, which are doubleclicked in Explorer, in the same instance of my .Net application, e.g. in a new tab. How can I do this? For now each file starts new instance of my application. Many programs can open files in the same instance, for example, Opera and Notepad++, so there is an easy way for sure.

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• How to store the file in the database ?

  - by Harikrishna

  How to store the file which is uploaded by the user to the database ? I want to store the file in the database how can we do that ? In the back-end I am using sql with c#.net application.

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• Is there an easy way to turn an ObjectContext into a DataRow?

  - by esac

  I am using AOD.Net Entity Model, and am doing a large amount of inserts. I am using SqlBulkCopy to transfer the data. I could create a DataRow, copy the known rows across, but I was wondering if there was an easier/more generic way to do this?

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• winsock component

  - by Oghenero

  i have a winsock component made with vb.net in a class library that has events. how do i make it appear in tool box if i reference the dll in another project.? How do i use it in my c# program? thanks

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• Does C# have (direct) flex/yacc port? Or what lexer/parser people use for C#?

  - by prosseek

  I might be wrong, but it looks like that there's no direct flex/bison (lex/yacc) port for C#/.NET so far. For LALR parser, I found GPPG/GPLEX, and for LL parser, there is the famous ANTLR. But, I want to reuse my flex/bison grammar as much as possible. Is there any direct port of flex/bison for C#? What lexer/parser people normally use for C#? Is there any reason for that choice?

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• Ninject and Custom Controller Factory

  - by Baddie

  I'm using MEF with ASP.NET MVC as demonstrated at http://blog.maartenballiauw.be/post/2009/06/17/Revised-ASPNET-MVC-and-the-Managed-Extensibility-Framework-(MEF).aspx. When I try to use Ninject, it seems that nothing gets injected. I did some debugging, and when I reverted to the original controller factory the injection worked. What needs to be changed, or what does Ninject need in terms of controller factories for it to work?

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• What tools and libraries are available for implementing compilers targeting the CLR?

  - by Christopher Barber

  What compiler tools and supporting libraries are available that would help in implementing a compiler targeting .NET and the CLR? Preferably open source. I am especially interested in frameworks that implement a high-level IR and support for common high-level and middle-level optimizations.

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• How to handle User Authentication in this scenario?

  - by Daniel

  Which user authentication scheme could be used at following scenario? Users login at the website(ex: Microsoft.com) If login is successful, access to the program in user's local machine(ex: MS Word) is granted. The development environment is .NET. Thanks in advance!

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• Make MediaWiki use accounts on my site?

  - by acidzombie24

  I have a site in ASP.NET and i thought it would be cool if i can redirect users to wiki.mysite.com. Now i would like to know if i can easily make MediaWiki recognize users logged into my site. I dont want any anonymous posters. Is there a way to hook or have mediawiki use accounts/cookies from my site instead of using its own database/account system?

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• Set all outgoing network traffic to go through a certain proxy.

  - by Pirate for Profit

  I think I know how to do this in windows with registry entry. Any cleaner ways with .NET? Anyway to do this in Qt, so for Macs as well?

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• Is the HttpContext.Current.Cache available to all sessions

  - by Ekk

  As per title. I want to be able to save some data in a cache object but this object must be available to all users/sessions and can expire. What is the best method to achieve this in a asp.net web app?

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• mail send successfully!!! but where is the mail?

  - by sribharanidharan

  hai i use the localhost or 127.0.0.1 for sending the mail in asp.net with c# coding!! the coding run successfully. the message was displayed that the mail send successfully. but in my mail, i'm not recieve any new mail. could you please help me for that???

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• Get Firefox URL?

  - by Leon Tayson

  How can I get the url from a running instance of firefox using .NET 2.0 windows/console app? C# or VB codes will do. Thanks!

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• How to convert Macess .cra and .acr and .err files to a readable file format?

  - by thames

  I'm looking for a while to programmatically convert (or use a tool already created) MACESS .cra, .acr, and .err files to a readable format? I'd prefer a .NET way of doing it however at this point I'll take any programmatic way. PS I tried adding tags "MACESS Sungard" but I don't have 250 rep yet to do so.

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• C# SQL: What is the best way to implement a dynamic table?

  - by SirMoreno

  I want to allow the user to add columns to a table in the UI. The UI: Columns Name:__ Columns Type: Number/String/Date My Question is how to build the SQL tables and C# objects so the implementation will be efficient and scalable. My thought is to build two SQL tables: TBL 1 - ColumnsDefinition: ColId, ColName, ColType[Text] TBL 2 - ColumnsValues: RowId, ColId, Value [Text] I want the solution to be efficient in DB space, and I want to allow the user to sort the dynamic columns. I work on .NET 3.5 MSSQL 2008. Thanks.

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• how to implement undo operation in datagridview

  - by ush

  Hi, I have created one application in c#.net.Using this application we can update datagridview,now i need to implement undo in it plz give me some ideas. private void button29_Click(object sender, EventArgs e) { Datatable dt; dt.RejectChanges(); } using above code i can do undo before updating. but i need a undo feature as in word plz suggest me thanks in advance

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• SSL with external static content server

  - by SirMoreno

  I have a .Net web application that for performance issues gets all the static data (CSS, Images, JS) from an external server that is on different location and different hosting company. I want to enable SSL on my site without the users getting a message: "Page contains both secure and insecure elements" Does this means I’ll have to get two SSL Certificates one for each server? If I want the users to continue getting the static content from the external server what other options do I have? Thanks.

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• I want to display the missing (non-matching) records

  - by Eric

  Is there a way to program the following SQL query SELECT dbo.Assets_Master.Serial_Number, dbo.Assets_Master.Account_Ident, dbo.Assets_Master.Disposition_Ident FROM dbo.Assets_Master LEFT OUTER JOIN dbo.Assets ON dbo.Assets_Master.Serial_Number = dbo.Assets.Serial_Number WHERE (dbo.Assets.Serial_Number IS NULL) in c# .net code using dataviews or data relation or something else? I have a spreadsheet of about 4k rows and a data table that should have the same records but if not I want to display the missing (non-matching) records from the table. Thanks, Eric

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