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• asp.net mvc keep alive page with a flash on it / ping controller

  - by Omu

  I have page in my asp.net mvc website with a flash app on it, and the user can stay on that page for hours, but his auth cookie is going to expire, so I'm thinking to create a PingController and to call it using jquery $.post each 20 minutes. is this a good idea ? or there is something better ?

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• Using CruiseControl.NET to deploy

  - by hokkaido

  Hi, I've been using CruiseControl.NET for continuous integration and such. Now I want to be able to deploy projects with it. What is the preferred way of doing this? Do I make a new project which I 'Force Build' to deploy? I really don't want to deploy on every successful commit. Please share your thoughts.

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• PayPal recurring payments in .net

  - by jiwan

  Hi Every One, I'm thinking about making a subscription system. The samples on the website I found to be difficult to follow because they are separated classes for very specific issues. From what I understand (if I'm not wrong) the PayPal Recurring is the best choice for subscription system. However I hope that you can help me to find a complete sample about PayPal Recurring using .NET.

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• How do I replace a string in .NET?

  - by Nirmal

  I want to replace the first occurrence in a given string. How can I accomplish this in .NET?

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• Rendering ASP.NET control out to HTML string won't render selected event

  - by rod

  I'm rendering a DropDownList in my Visual Studio 2005 ASP.NET code behind page out to an HtmlTextWriter, but when I try to add the SelectedIndexChanged event that doesn't get rendered. Any ideas? Is this even possible?

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• Long time to load first sql connection in .NET

  - by Shrage Smilowitz

  For some reason it takes 7 seconds to open a connection to a sql server database for the firt time, subsequent connections takes a second. any idea what could be the reason? I'm using C# and asp.net Its after compilation, i essence every time i restart the site, which means every time it needs to actualy create the "first" connection. i understand that setting up connection pooling has overhead, but i have never seen that i should take 7 second to set it up.

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• What .NET method has this error message: "Object cannot be cast from DBNull to other types"

  - by Jonathan Allen

  What .NET method has this error message: "Object cannot be cast from DBNull to other types" The stack traces have been stipped from my logs so I'm looking for a starting point.

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• iis smtp not sending from .net works from .asp

  - by Jennifer

  I have IIS SMTP set up using a Smart Host. I can send mail via .asp; but, does not send via .net. Not even writing to SMTP log.

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• ASP.NET MVC: calling a controller method from view

  - by Alice in wonderland

  I'm implementing paging on an ASP.NET MVC view, and I want to call a method in the controller from the view. Code in the view: <a href="<%= Url.Action("Search", new { page = NextPage(Request["exactPage"])).ToString()}) %>"> Controller method: public string NextPage(string currentPage) { return (int.Parse(currentPage) + 1).ToString(); } How can I call the NextPage method from the view? thanks!

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• Up to date tutorial of FormsAuthentication in Asp.Net MVC

  - by ripper234

  I'm not getting to hang of the entire FormAuthentication thing. Is there an up-to-date tutorial somewhere? I found this one, but it a bit old and the syntax doesn't match recent Asp.Net MVC.

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• DataAnnotations jQuery validation in asp.net mvc 2

  - by Anonimous

  Hi, I trying to use jQuery validation plugin with DataAnnotations in asp.net mvc 2 final. Now I'm using MicrosoftMvcValidation.js and it works. But I can't find way to work with jQuery validation. I read about MicrosoftMvcJQueryValidation.js. But I think that it is obsolete. How can I use DataAnnotations with jQuery validation plugin?

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• .NET Library for drawing tables with GDI+

  - by Jan Willem B

  I need to print the contents of a datagridview, simple text in rows and columns, with GDI+ in .NET to paper. To do this, I need to iterate over the rows, draw lines, iterate over the columns, calculate width, height, wrap the contents if contents do not fit on one line, etc. This is all possible, but is there a library that simplifies the drawing of tables in GDI+ and abstracts some of the difficulties away?

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• compile a single ASP.NET (.aspx) page from the command line

  - by JoelFan

  I have a Perl script that calls aspnet_compiler.exe to compile a large ASP.NET website. The problem is that it takes very long to run. Is there any way to compile just a single .aspx file from the command line? (I think that would suit the needs of my script) It seems that all aspnet_compiler.exe can do is compile at a directory level.

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• Masking/Hiding URL for ASP.net web application

  - by SARAVAN

  Hi, I am working in an ASP.NET mvc application. With regards to URL's I could see the Controller and action names in the address bar when user navigates between pages. Is there a way to hide them, such that the address bar always displays http://mywebsite.com without any action names or controller names suffixing them, or is there any other standard practices? Or is it ok to leave the URL as such which can contain action and controller suffixes?

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• asp.net mvc website have a problem to running on my system @ localhost:port

  - by Steven Spielberg

  when i debug our website then he works fine. but when i want to refresh that i refresh it in browser i see that my asp.net development server is automatically closed before my refresh so browser tell me that " Unable to connect". why are development server is automatically closed without any reason. Are you know why development server is automatically closed.

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• Asp.net multiple modalpopupextender in the same page

  - by harold-sota

  I have a asp.net page that have 2 modalpopupextender. the problem is this: When i open the firste modal popup from the code behind the second modal popup is automaticly open. Any ideas?????

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• Can't get ASP.Net to run properly on IIS 7/Windows Server 2008 combo

  - by danielm83

  I'm trying to deploy a segment of our site to a new server, and I'm getting the following error when I try to pull up any ASP.Net page... "401 - Unauthorized: Access is denied due to invalid credentials. You do not have permission to view this directory or page using the credentials that you supplied." What permissions should I be checking? thanks

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• How do I call unmanaged C/C++ code from a C# ASP.NET webpage

  - by Mendokusai

  I have an ASP.NET website that uses C# and I'd like to call functions from an unmanaged C/C++ DLL. How do I do it?

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• read email Using Pop3 client on asp.net web page

  - by leton

  Hello I want to read Emails through pop3. On my asp.net web page how to do let me know, which control i should use for showing email Thanks You

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• Why not use GDI+ from ASP.NET

  - by roygbiv

  I've been told that using GDI+ from ASP.NET is dangerous and undefined. Is that because there is no guarantee of a Device Context? Can someone explain? What are some of the alternatives? Here is the source: http://msdn.microsoft.com/en-us/library/system.drawing.aspx

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• asp.net url concealment?

  - by eduardo

  In my asp.net 2005 app, I would like conceal the app structure from the user. Currently, the end user can learn intimate details of my web app as they navigate and watch the url change. I don't want the end user to know about my application structure. I would like the browser url to not change if possible. Please advise. thanks E.A.

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• PowerBuilder 11.5 .NET DLL pbl

  - by RepDetec

  I have converted a PowerBuilder application to 11.5 .NET. When it builds, it compiles into a DLL, an EXE and a bunch of “netmodule” files. Are the netmodules necessary for deployment, or just part of some intermediate step? Is there any way to get the compiler to build me one DLL for each pbl (PowerBuilder library)?

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• .NET object creation and generations

  - by nimoraca

  Is there a way to tell the .NET to allocate a new object in generation 2 heap. I have a problem where I need to allocate approximately 200 MB of objects, do something with them, and throw them away. What happens here is that all the data gets copied two times (from gen0 to gen1 and then from gen1 to gen2).

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• Show pdf in the browser in asp.net mvc

  - by Pankaj

  I have a tab on my page, when i click on this tab, i need to show a pdf file on page(browser). For this i am writing function on control like this public ActionResult PricedPdf(string projID,string fileName) { byte[] bArr = new byte[] { }; bArr =getdata(); return File(bArr, System.Net.Mime.MediaTypeNames.Application.Pdf, fileName+".pdf"); } Now my problem is when i render this, page only show some unreadable data not pdf.

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• what folder to put site-wide functions/classes in ASP.NET MVC

  - by Erwin

  Hi I'm new to ASP.NET MVC and i want to create a class to contain site wide functions for my application what is the best practice to do this? where should i create the class ? in what folder? should i create a new folder?

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