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• How to make a link button visible after another button has been clicked in asp.net(vb) in button_c

  - by Parth

  How to make a link button visible after another button has been clicked in asp.net(vb) in button_click() it says error as "Object reference not set to an instance of an object." i've done this in my code Protected Sub InsertButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) Dim receipt As LinkButton = FormView1.FindControl("LinkButton1") ' receipt.Enabled = "true" ' receipt.EnableTheming = "true" ' receipt.EnableViewState = "true" receipt.Visible = "true" End Sub

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• How can I encrypt a querystring in asp.net?

  - by Dave Haynes

  I need to encrypt and decrypt a querystring in ASP.NET. The querystring might look something like this: http://www.mysite.com/report.aspx?id=12345&year=2008 How do I go about encrypting the entire querystring so that it looks something like the following? http://www.mysite.com/report.aspx?crypt=asldjfaf32as98df8a And then, of course, how to I decrypt it? What's the best encryption to use for something like this? TripleDES?

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• How will the ratification of HTML5 affect JSF, Struts, ASP.NET etc?

  - by fnCzar

  There is a lot of chatter about the improvements HTML5 is about to unleash on the web development world. How will this new standard affect web dev frameworks like Faces, Struts, or even ASP.NET? How long will it take them to 'catch up' in order to emit such code? Will controls get deprecated?

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• Can I host an ASP.NET webite outside of IIS?

  - by boraer

  Hi everybody, I need to write an ASP.NET application which must handle a very large number of transactions per second - as many as 5000 users may transact at the same time. I think I will use WCF in back to communicate with SQL server. But in front, can IIS handle 5000 users at the same time effectively, or is there any simple way to host my application outside of IIS?

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• In Asp.net (c#) i'm not able to catch any exception properly????

  - by Anand

  In Asp.net (c#),i'm not able to catch exception(FileNotFoundException) properly... i don't know the reason..Actually File s not there..But catch statement fails to catch the exception.. here is the code.. try { System.Drawing.Image imgg1 = System.Drawing.Image.FromFile(Server.MapPath("").ToString() + "\\images\\img1.jpg"); } catch (FileNotFoundException) { Response.Write("<script>alert('Please Select and upload Student's Photo');</script>"); }

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• Step by step(screen shots) setup of nhibernate with asp.net mvc...

  - by MuraliVijay CSK

  I am interested in looking for Step by step(screen shots) setup of nhibernate with asp.net mvc.... Any good links would be really useful...

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• How can I create an authentication cookie, but w/o asp.net formsauthentication?

  - by Blankman

  Do we know the algorithm that asp.net uses to create the authentication cookie (when using forms authentication?) Can we basically create our own copy implementation? if so, how? What does it use to generate the encrypted cookie value, I know it uses whatever you pass into the SetAuthCookie call (which is usually the userID/username).

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• How can i target all the Mobile Devices with the single Asp.net mobile application?

  - by nagender-reddy

  Hi All, I am creating ASP.net mobile application i am targeting all the mobile devices Is this possible with the single application or not because some phones will support wml, HTML, CHTML or XML scripting languages. How can target all the devices with the single application & can i change the DeviceSpecific Filter option dynamically or not. If i change that dynamically is it reflect in the application? Thanks

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• How can I prevent my asp.net site from being screen scraped?

  - by user279521

  How can I prevent my asp.net 3.5 website from being screen scraped by my competitor? Ideally, I want to ensure that no webbots or screenscrapers can extract data from my website.

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• In a ASP.NET program is there a location where I can I write temporary files?

  - by Jane T

  In a ASP.NET program is there a location where I can I write temporary files? Assuming a default IIS installation, the program running under anonymous user? Thank you

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• How to set an asp:listitem to an enumeration value declaratively?

  - by Curtis White

  I have an asp:RadioButtonList and want to declaratively bind the value to an enumeration. I tried using this type syntax: value = <%# ((int)MyEnum.Value).ToString() %" I get an error list item does not support databinding. Any ideas?

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• What's the PHP equivalent of ASP.NET ashx handlers ?

  - by Quandary

  I need to return a JSON encoded response to a flash http get request. In ASP.NET, I do this with a ASHX handler. What's the PHP equivalent ? I mean in order that I only get JSON back, and not the <html> etc.

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• Free ASP.Net (MVC/WebForms) based CMS which has plugins built in for connecting to Orkut and Faceboo

  - by SharePoint Newbie

  I looking for free ASP.NET based content management system (CMS) which has the following features: Blogs (Admin, some super users can have their own blogs) Forums (Admins can create forums. Some moderation features) Admin Dashboard Integration with LinkedIn, Orkut and Facebook (native or through freely available add-ons) Support for moderated user registration (moderated by Admin) Windows Sharepoint services 3.0 is an option. With some tweaking, it supports all the above and there are free third party web parts available. NB: The CMS listed must be free, as in beer.

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• How to mix public accessible files in the Views folder of ASP.NET MVC?

  - by ray247

  Hi there, I'd like to move publicly accessible files .css, images into my ASP.NET MVC Views folder. Since the Views has a web.config denies all requests, what exactly do I need to do to achieve this, so .aspx, .ascx are still protected while .css, images are accessible. Could someone show in detail please. Thank you, Ray.

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• How to add silverlight project to ASP.NET project?

  - by loyalpenguin

  I have a silverlight application project that I need to add to an ASP.NET Project. I know it can be done because you can choose to have both when you first create a silverlight project, i'm just not sure how you would do it after the fact. Any Ideas?

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• How to intregrate an oracle database with an asp.net web application?

  - by Priyaa Muthuraman

  How to intregrate an oracle database with an asp.net web application?... Any good tutorial to start with?

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• how to limit the number of emails to send per tick cycle of the timer . in asp.net windows applicati

  - by Ranjana

  how to limit the number of emails to send per tick cycle of the timer . in asp.net windows application ??????????????

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• Is there a JQuery lightbox clone compatible with ASP.NET ReportViewer?

  - by Tony_Henrich

  I am having problems with ColorBox to show a hidden report from ReportViewer as explained here. Is there a JQuery lightbox which works well with the ASP.NET ReportViewer?

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• How to refresg parent window when model popup is closed in asp.net?

  - by Renu123

  Hello All, I am working with asp.net and model popup. in popup window when i edit the changes it must get reflect on paren windows grid view. so any one tell me how to refresh paren window after closing popup. Thank in advance.

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• How to get the userID from a custom ASP.Net Membership Provider w/ non-unique usernames?

  - by Aplato

  I've created a custom asp.net membership provider that authenticates against a legacy database. The problem I'm running into to is how to handle users that have same username. I've repeatedly tried convincing my boss that a username should be unique but this has been to no avail.

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• What Do the New Features of C#4 Offer ASP.NET MVC Developers?

  - by DaveDev

  Is there any particular aspect of C#4 that I could find beneficial in learning in the context of an ASP.NET MVC application? Thanks

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• ASP.NET - How do you find the process identity?

  - by Berlioz

  How do you determine the process identity for ASP.NET? I am getting an UnAthorizedAccessExeption when a user clicks a LinkButton designed to use System.IO to delete a file located in a subfolder of the root folder for a Web Application Project in Visual Studio 2008.

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• How to Implement Moving content/text in website. in asp.net

  - by Ayyappan.Anbalagan

  How to Implement Moving content/text in website like a marquee. In asp.net. I have values in my data set.the data set value must be displayed in div like a rotating flash news...

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• My team member not supporting to use Crystal report in asp.net web application.

  - by Ayyappan.Anbalagan

  My team member not supporting to use Crystal report in asp.net web application. specially Crystal report with mysql database. Is there any other report available?

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• Do any of the built in asp.net grid controls (or similiar) provide effecient data paging?

  - by Blankman

  I know in asp.net 1.0 the grid display controls would pull all the data in, and then provide paging but the paging was done in memory. Are there any smarter controls that provide paging where they only pull the data relevent to current page being displayed? ie. select 10 rows for the current page, instead of doing a select of ALL the rows in the table.

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