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• Reverse function of HttpUtility.ParseQueryString

  - by Palani

  .Net System.Web.HttpUtility class has following function to parse query string into NameValueCollection. public static NameValueCollection ParseQueryString(string query); MSDN: http://msdn.microsoft.com/en-us/library/ms150046.aspx Is there any function to do reverse , convert NameValueCollection into Query String.

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• Throwing exception vs checking null, for a null argument

  - by dotnetdev

  What factors dictate throwing an exception if argument is null (eg if (a is null) throw new ArgumentNullException() ), as opposed to checking the argument if it is null beforehand. I don't see why the exception should be thrown rather than checking for null in the first place? What benefit is there in the throw exception approach? This is for C#/.NET Thanks

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• How do you remove the space inserted automatically in Ajax control toolkit tab panel control

  - by Phil

  The Ajax control toolkit tab panel automatically inserts a space by all four corners of the body. For example, go to http://www.asp.net/ajax/ajaxcontroltoolkit/Samples/Tabs/Tabs.aspx and look at the TabPanel on the page. The is a space before "Signature:" and "Bio:" labels. How can I set the space-width to 0px; in the tabPanel body?

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• Reuse an MVC area in multiple MVC applications?

  - by James Newton-King

  I have some common web pages that will be in multiple MVC applications. For those pages I'd like to reuse the same source code (controllers + views) between the different MVC web sites. What is the best way to go about doing this? ASP.NET MVC areas seem like one possibility but they just a sub directory of the website project. Is it possible to reuse an MVC area in multiple MVC applications?

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• Use RedirectToAction in a JsonResult Action?

  - by CmdrTallen

  Hi, using ASP.NET MVC 1.0 and I have a action that returns a JsonResult and I need to redirect another action that also returns a JsonResult action type. The problem is the RedirectToAction() returns a RedirectToRouteResult class and seems there is no way to convert that to JsonResult class ? This is the error I am getting; Error 124 Cannot implicitly convert type 'System.Web.Mvc.RedirectToRouteResult' to 'System.Web.Mvc.JsonResult'

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• Watermark System.Windows.Forms.TextBox using C#

  - by Kb

  What is he best way to implement Watermark functionality for a System.Windows.Forms.TextBox in .Net 2.0 with C#? Edit: Using the ready-made component from CodeProject was very easy. It's also with a The Code Project Open License (CPOL).

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• Handling a MouseDown Event Regardless Of The Control

  - by GregH

  Is it possible to handle a mouseDown event in VB.Net (2008) regardless of the control firing the mouseDown event? Basically, I just want to catch a mouseDown event at the "form level" and don't want to program mouseDown event handlers in every control. Is there a way to do this?

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• How can I set a default content-type of text/html in my web.config?

  - by Adrian Grigore

  I'd like to set the default content-type for web pages in my ASP.NET MVC application to text/html. I know this can be done by adding a ContentType="text/html" to all of my <%Page% elements, but I'd prefer to use the web.config instead. How can I do that? Thanks, Adrian

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• Windows Identity Foundation sample MVC application

  - by DotnetDude

  Is there a sample application for using WIF with a ASP.NET MVC application? Can someone help me get started trying to integrate both of these technologies?

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• Single Sign on- From our customer's Active Directory

  - by jbarker7

  We have an ASP.NET MVC website that a customer is requesting Active Directory single sign on. My thought is that we will need something behind their firewall in order to send encrypted credentials or a user's ID over to our server... any best practices or products that do this would be extremely helpful! Thanks! jbarker7

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• Telesense not finding methods

  - by Eric

  I'm working in Asp.net and telesense isn't finding the methods in app code. It executes the code well without any issue at run time, but I'm not able to see the method names while coding. Any idea how to fix this? Thanks in advance

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• How to achieve syncronization in loadbalanced multiserver environment

  - by Anoop

  Hi, I have to create a .net web application which would run on more than one front end server which are load balanced. Now I have to use some third party api which is not thread safe so only one thread should call the API at a time so I have to some use syncronization machanism like lock or mutex which provide syncronisation within the process and across the process in machine.Now will lock or mutex work in loadbalanced multiserver environment correctly? If not then is there any mechanism using which I can syncronise all the threads in all the machines??

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• VSTO and Office 2010

  - by rip

  Does VSTO 2008 work for Office 2010 or will it only be VSTO 2010? If it is VSTO 2010 then does this mean that I have to update all my clients to .NET 4.0?

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• Global.asax and Logging

  - by tyndall

  Is there an event that I can tap into in Global.asax to execute some SQL in ADO.NET for logging every time a request is made to the application?

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• multiple applications using same login database logging each other out

  - by Axarydax

  Hello, I've set up two asp.net applications on a machine, their web.config files contain the same applicationName value in AspNetSqlMembershipProvider item so they share users and roles. The problem sequence is: user logs into application A, opens new tab in a browser logs into application B, his login in application A is signed out and vice versa. Should I use different approach to sharing login information between two applications? Thanks.

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• How to Update database through storeProcedure without knowing parameter names?

  - by Rajesh

  Hi All, i have one table and store procedure(sp). i have to update table using storeprocedure present i am using sp with four parameters but in the future may increase parameter list so, how to update table with out knowing parameters name and parameters count from Ado.Net. Thanks in advance, Regards, Rajesh.

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• How can you open windows program by pressing a button on web page

  - by Dani AM

  How can you open windows program by pressing a button on web page I develop web app in asp.net, and I want to do some action in windows when press button on the web page, For example: when you press Messenger button in http://www.msn.com/?ocid=hmlogout windows live messenger will open in your computer, Is there a certain technique to do that ? thanks for any suggestion. Dani.

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• Microsoft Chart control converts \n in file names to newline characters.

  - by xpda

  I am using a Microsoft Chart control (system.windows.forms.datavisualization.charting.chart) in a Windows forms application, vb.net 2008. I use folder paths for the x values in a pie chart. Chart control converts a name like c:\newfolder into c:[newline]ewfolder. I tried adding a slash, making it c:\\newfolder, but this only changes it to c:\[newline]ewfolder. Is there a workaround for this behavior?

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• How to Route /About to /Home/About

  - by Brian Boatright

  Just getting started with ASP.NET MVC and it's great! But I don't quit understand setting up routes. How do I route ~/About to ~/Home/About? /Views/Home/About.aspx I would like to be able to access it with /Home/About or just /About

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• Visual Studio 2008 breakpoint is not working

  - by user279521

  I am working on an ASP.NET project and I cannot make the breakpoints work! The project does not stop where I place a breakpoint. It does not seem to matter where I place the breakpoint. I am in debug mode; I am using IE 8, Windows 7 OS; Has anyone ever had this problem?

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• Friend WithEvents in VB vs private in C#

  - by serhio

  Hello, friends Who knows, why in vb.net WinForm projects the designer by default use the Friend WithEvents attributes and in C# - private ones. By ex, in a form.designer. .cs private Label Label1; .vb Friend WithEvents Label1 as Label; For WithEvents is more or less clear(for using Handles, apparently). But why Friend in VB and private in C#... Thanks.

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• How do I add "drawing" components to a WinForms control?

  - by Ben McCormack

  I'm using .NET 2.0 Windows Forms and want to add "drawing" components such as lines, rectangles, etc.. I've done this before in MS Access, but I can't seem to find similar things in teh Visual Studio 2005 IDE. Where do I need to look to find these elements?

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• Query Membership using Linq

  - by user310657

  Hi, I am not a experienced programmer, I need to query the Membership User Collection provided in asp.net mvc. I want the members be able to add other members as friends, I have created a added friend table. Id, MemberId, Friend_MemberId, DateAdded I want to display a list of Members which are not added to this list (like filter already existing friends), but unable to query using linq, can anyone suggest a way, links, articles, would it be better to extend memebership class.

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• System.Speech and Voices

  - by Attilah

  is it possible to create portable applications from Scansoft voices .exe files ? (www.portableapps.com). and then be able to access the voices programmatically through System.Speech namespace in .NET 3.5 ? I want to do that so I don't have to take a dedicated server just to install my text-to-speech web app. Help !

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• Is there a way to unit test an async method?

  - by Jiho Han

  I am using Xunit and NMock on .NET platform. I am testing a presentation model where a method is asynchronous. The method creates an async task and executes it so the method returns immediately and the state I need to check aren't ready yet. I can set a flag upon finish without modifying the SUT but that would mean I would have to keep checking the flag in a while loop for example, with perhaps timeout. What are my options?

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