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Cross-browser ASP.NET AJAX Control Extender support - trickier than I thought
Catagory:AJAX Control Extender Authour:Damian Mehers
Current Rating:4(4)
Sub Catagory:AJAX
Score:20 Views:67
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Abstract:
Porting a control extender that I am working to contribute to the ASP.NET AJAX Control Toolkit turned out to far more involved than I initially thought it would be. If you are a hardcore JavaScript developer then a lot of this may be familiar. But if you are like me, and JavaScript is just one of many technologies you are using, read on to learn from my mistakes........The first issue I hit was that my event handling was broken. In one specific case I’d forgotten to use the ASP.NET AJAX event wrapper object, and instead I’d used the event object directly. Or rather that is what I’d tried to do, but the (non-standard) event object doesn’t exist in browsers such as Firefox. This is why it is wrapped behind the ASP.NET event wrapper (Sys.UI.DomEvent).....When I implemented the extender for Internet Explorer, I found that special keys, such as the backspace key and arrow keys, were passed to the KeyDown event handler, but not to the KeyPress event handler. Consequently in order to handle the backspace (so that users can delete characters from the text for which they are searching), I signed up to receive the KeyDown event and processed backspaces there......ASP.NET AJAX and the ASP.NET AJAX Control Toolkit do a lot of work to hide browser inconsistencies from developers, but nevertheless there are still times when you'll need to go behind the scenes and examine the raw browser objects to code around differences......The cool thing though is that now that I've done the hard work of making the ListSearchExtender support multiple browsers, you can simply drag the extender onto your ASP.NET canvas, hook it up to a ListBox, and not have to worry about it working in IE, FireFox, Opera and Safari. Look out for it in a future release of the ASP.NET AJAX Control Toolkit. Read more...

Screenshot of Webpage with ASP.NET
Catagory:ASP .NET Authour:CodeGod
Current Rating:3.5(3.5)
Sub Catagory:Image Processing
Score:13 Views:137
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Abstract:
The goal of this sample is to find a way to capture a webpage's image. The parameter is just a special url. Only by knowing this url we want to be able to take a screenhot of this webpage - a bitmap of what the user would see if he/she types this url in the browser. How can this be done? First of all we have to clarify were to take the picture of the webpage, on the client or on the server. To take a picture, we have to browse to the url and shot the result as image. To shot the image, we have to run .NET-code, so we have take the picture on the serverside. Then the picture has to be saved as bitmap. After that, we can display it like every image on the server with an asp:Image-control. Read more...

Deleting Users from Membership with SQL
Catagory:Web Development Authour:Cruise O'Brien
Current Rating:4(4)
Sub Catagory:Membership and Users Managment
Score:4 Views:113
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Abstract:
During early phases of your Membership Web Site you will probably create many test users to verify your new application. As you start getting "real" members, you may not want the test users to clutter up the .Net security database. This article looks at removing users by logging into the database and running SQL directly, using the same method as the .Net membership provider. The article provides two sample usages of the SQL syntax to remove members. Read more...

ASP.NET AJAX Repeater
Catagory:Web Development Authour:Manzur Rashid
Current Rating:0(0)
Sub Catagory:AJAX
Score:0 Views:197
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Abstract:
Demonstrates how to how to develop a Data Bound Templated Control with ASP.NET AJAX. Read more...

Consuming Web Services with ASP.NET AJAX
Catagory:Web Development Authour:Dan Wahlin
Current Rating:0(0)
Sub Catagory:Web Services
Score:0 Views:165
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Abstract:
Leverage .NET Web services using the ScriptServiceAttribute through the ScriptManager control. Read more...

Using Forms Authentication with Active Directory
Catagory:ASP .NET Authour:Richard Bean
Current Rating:0(0)
Sub Catagory:Forms Authentication
Score:0 Views:112
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Abstract:
Explains how to implement form authentication using Active Directory warehouse credentials. Read more...
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