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• ASP.NET 2.0 - scaffolding a database table for webforms

  - by Francis Huang

  Can you recommend a tool that can analyze a SQL database table, read the table columns, and populate an .aspx page with appropriate controls (i.e. textboxes with matching labels)? See this demo of ComponentOne InputPanel for WinForms for the functionality desired. Are there any built-in tools for ASP.NET 2.0 WebForms that can help build a scaffold page for any given database table or entity? Are there any free components out there to help achieve this goal?

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• ASP.NET A/B Split Testing

  - by bingles

  Does anyone know of any good resources (books, articles, existing software, etc...) for learning how to implement A/B split testing in ASP.NET?

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• Removing rows in asp.net

  - by user279521

  I am attempting to remove rows on my asp.net page using the following code: try { Table t = (Table)Page.FindControl("Panel1").FindControl("tbl"); foreach (TableRow tr in t.Rows) { t.Rows.Remove(tr); } } catch (Exception e) { lblErrorMessage.Text = "Error - RemoveDynControls - " + e.Message; } however, I am getting an error on the (when the code loops the second time around) "Collection was modified; enumeration operation may not execute." Any ideas regarding what is causing the error message?

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• Null reference to DataContext when testing an ASP.NET MVC app with NUnit

  - by user252160

  I have an ASP.NET MVC application with a separate project added for tests. I know the plusses and minuses of using the connection to the database when running unit tests, and I still want to use it. Yet, every time when I run the tests with the NUnit tool, they all fail due to my Data Context being null. I heard something about having a separate config file for the tests assembly, but i am not sure whether I did it properly, or whether that works at all.

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• Resources for getting started with Lucene.Net?

  - by Matt Dotson

  I'm building a simple site that allows users to post text content and I want to add it to a search index as it gets posted, so my site search is up to date. From what I can tell Lucene.NET is a good full text search framework. I've found very few examples of how to use it though. Can anyone post some good references for learning about Lucene?

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• Asp.Net MVC missing style and defaults to logon page

  - by user279750

  I just setup an out of the box "W2K8 R2 Web" server and installed IIS 7 out of the box. Then I installed the .NET4 framework and ran "aspnet_regiis -i" command. I created a site using .NET 4.0 Integrated app pool. I created an MVC application using the default MVC project template, without modifying I compiled the project and deploy the files using (Publish) to the virtual directory. I can pull the site up, but the styles are missing from the page and for some reason it routing to the /Account/LogOn?ReturnUrl=/

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• Under ASP.Net MVC v1, is Page_Load called?

  - by Chris Kimpton

  Hi, Stupid Monday morning basic/noob question... Is Page_Load generally called for an ASP.Net MVC app? We just have one page, Default.aspx.cs - which only seems to be called for / and not for any sub-paths, so I dont think it is generally called... Thanks, Chris

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• Azure and Microsoft ASP.NET MVC

  - by CVertex

  I just got my azure invitation code...yay! Are there any official samples for windows azure + MS asp.net MVC? I still don't get the storage providers and services that come with Azure, it's a bit confusing. I don't think MS have done a very good of explaining it.

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• Flowchart control for ASP.NET

  - by renjucool

  I need to build a flowchart control for Asp.net with html/jquery/silverlight/Scalable Vector Graphics(SVG). The user need to design the flowchart in the web page and need to save it. Please suggest some good implementation.I tried some API's like Gliffy and Grapholite but not suitable for my scenario as this API need live internet connection. Now I'm trying with jsplump. Please help me out, Also please share any free controls for that.

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• changing ASP.NET tag formatting

  - by Steven

  When I drag a Label control to my document, I get the following code : <asp:Label ID="Label1" runat="server" text="Label"></asp:Label> I prefer my code to look like the following instead : <asp:Label ID="Label1" runat="server" Text="Label" /> How can I get .NET to do this by default? I looked in Tools - Options - Text Editor, where you'd expect to find it, but I couldn't find anything relevant there.

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• Visual Studio 2010, using VB.NET. Intellisense does not recognize new property until I recompile

  - by Velika

  I have an ASP.NET VB.NET web project that references a VB.NET class library. I add a new property to a class in the class library, then, from the web app, I expect to be able to use it immediately w/o errors and with full intellisense. It used to work in 2008. When I compile the class library, it becomes available but not until. Was this nice feature taken away, perhaps in the interest of speed?

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• Tabs for a ASP.NET website

  - by user102533

  I would like to add tabs for my website and I understand I can use the tab control in the AJAX toolkit or I can choose to go with JQuery UI tabs. Each tab would need to load a separate asp.net page and I need to customize the tabs to look slick. Any thoughts on what approach I can use?

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• Page expiration after postback in ASP.NET

  - by Achilles

  I've been doing web development for a while and have yet to read a good answer to this question: Given a page that executes transactions through a postback, how do you prevent the user from duplicating the transaction when they do something as simple as hit the back button? I've explored trying expire the cache but I must admit I'm lacking in my understanding of ASP.NET caching. What is the approach I should use to make the old request stale and invalid? Thanks!

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• how to host .NET Remoting object in ASP.NET application?

  - by tadmarsky

  I want my web application to return .net remoting object when somebody requests one page (or handler) with certain parameters. how to make it?

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• Most Reliable ASP.NET/SQlServer Hosting

  - by ZZ Coder

  I am looking for a reliable hosting company for a ASP.NET/SQLServer application. Any suggestion is appreciated. My current host has been working fine till recently. It goes down almost once a week now.

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• Is ASP.NET MVC 2.0 released yet?

  - by griegs

  Does anyone know if this has been released yet? I went to asp.net and the Windows PI installs MVC 2 and it doesn't mention anything about RC's but then Scott Guthrie doesn't mention anything on his blog either.

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• using AsyncFileUpload in ASP.NET MVC 2

  - by adrin

  Is there a way to use AsyncFileUpload in ASP.NET MVC 2. Or maybe there is an equivalent (that uses no browser plugins)?

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• asp.net mvc 2 validating text inputs on modal windows

  - by nick

  hi guys, i am tasked with the job of creating client-side validation on a form in an asp.net MVC 2 application, which has a modal window (the modal exists as part of the wrapping form, it is not a form unto itself). how would i go about providing validation for these text field inputs while the modal is visible, but do not validate while the modal is not displayed (as to not cause problems in the rest of the form if the modal window is never required) What is the best approach to achieve this functionality? thanks, Nick

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• ASP.NET MVC with SQL Server backend returns old data when query is executed

  - by synergetic

  My ASP.NET MVC web app has a weird issue. In VS debugging mode it works as expected, but when I publish it to dedicated web server (windows 2003, IIS6) a sql query returns previous data even though underlying data was already updated through the same connection. It looks like as if a query returns cached data. What might be the problem?

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• Asp.net ajax event bind to two functions

  - by Chubbs

  hey Guys, I wanted to know if there's a way I can bind an Asp.net Ajax event to two different JS functions ? eg. var prm = Sys.WebForms.PageRequestManager.getInstance(); if (!prm.get_isInAsyncPostBack()) { prm.add_initializeRequest(InitializeRequest); prm.add_initializeRequest(InitializeRequest2); } function InitalizeRequest() { ... } function InitalizeRequest2() { ... }

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• Multiuser XML document "database" for asp.net app

  - by Pierreten

  I was thinking about a way to allow multiple users to get CRUD access to an XML document in an asp.net app. The operations would obviously have to be made under the assumption of a multithreaded environment. For perf reasons, would it make sense to cache the document, and use a mutex on that cached version? When would changes be flushed to the physical XML document? Any and all recommendations are appreciated (also "use a database" isn't an option at this point unfortunately)

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• Asp.net library to extract plain text from docx, pptx, xlsx (for search index)

  - by Myster

  Is there a pre-existing library to extract plain text form docx, pptx, and xlsx files? I require this to populate a lucene.net index. I've found this example which extracts text from docx and it seems to work ok. But before building my own solution based on this I was wondering if there's something already available for the other file formats?

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• Automatically generating better views for ASP.NET MVC

  - by Casebash

  I am currently watching the 80 minute ASP.NET MVC introduction. Automatically generating views from a model is pretty neat, but it seems to me that that the automatically generated views could be much better. For a start, instead of inputing dates with text boxes, there could be a date control. Additionally, number inputs could be verified client side. There are probably other improvements that could be made as well. Is it possible to automatically generate better views?

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• How to select top n rows from a datatable/dataview in asp.net

  - by skamale

  How to select top n rows from a datatable/dataview in asp.net.currently I am using the following code by passing the table and number of rows to get the records but is there a better way. public DataTable SelectTopDataRow(DataTable dt, int count) { DataTable dtn = dt.Clone(); for (int i = 0; i < count; i++) { dtn.ImportRow(dt.Rows[i]); } return dtn; }

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• ASP.NET Membership and Roles separation relationship

  - by Saif Khan

  Hi, I have an ASP.NET project where I want to keep the membership (SQL Provider) in a separate database and the Roles/Profiles will be per application. Question What is the KEY that relates between the Membership database and the Roles/Profile database? Is it the UserID or UserName? I opened up the tables in separate expolrer and notice the UserID is different in the Membership database from that in the application Roles database.

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