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Fix: IIS and This page contains both secure and nonsecure items by Ken Cox [MVP]

After moving a production site to use HTTPS exclusively (using the excellent IIS URL rewrite module), Internet Explorer 9 drove me nuts with the “Security Information” warning: “This page contains both secure and nonsecure items. Do you want to display...

MIX10 Big Announcements Speculation by Ken Cox [MVP]

What’s your speculation on the big announcements to come from MIX10 ? A date for VS 2010 availability on MSDN? A release candidate for Silverlight 4 on the desktop? An SDK for Silverlight on Windows Mobile 7? A CTP of Internet Explorer 9? Something (anything...
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Support, Support, Support by Ken Cox [MVP]

I’m currently using the fine Telerik RadControls for ASP.NET AJAX to build a Web application for a client. I just wanted to say how pleased I am with Telerik’s customer support. As with most developers who encounter a new toolset, I get stuck due to a...

Fixing EntityDataSourceWrapper Error in EF (VB Version) by Ken Cox [MVP]

I lost a lot of time today on this error: ‘EntityDataSourceWrapper' does not contain a property with the name …' The project is ASP.NET 3.5 using Entity Framework and VB. I’m using the Telerik RadControls for ASP.NET AJAX (a sweet suite!). In my app,...

Review: Advanced ASP.NET AJAX Server Controls For .NET 3.5 by Ken Cox [MVP]

Advanced ASP.NET AJAX Server Controls For .NET 3.5 is a fine resource for ASP.NET developers who want to build high performance, data-driven Web applications with a richer user interface. The introduction of ASP.NET AJAX 2.0 extensions caught many of...
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Set a Validator's Display to 'None' for the ValidatorCalloutExtender by Ken Cox [MVP]

If you look at Figure 15-1 in ASP.NET 3.5 For Dummies , you'll notice that there's an almost-hidden question mark (?) behind the AJAX Control Kit's ValidatorCallout control. The arrow in the picture points to the mistake (bug) in the book. At the time...
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Need an iPod-like Menu for ASP.NET Pages by Ken Cox [MVP]

Do any of the ASP.NET component vendors have a treeview or menu control that emulates the look and feel of the iPod menu? Has anyone out there built one? I have a client who would like to save space by letting users drill down deep to their data without...
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Who Makes the Fastest ASP.NET Datagrid? by Ken Cox [MVP]

If you visit the sites of the major ASP.NET component vendors, you'll discover many claims about the richness, flexibility, ease-of-use, attractive design, and so on. However, when it comes to a datagrid and large datasets, eye-candy isn't enough. Web...
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IE6 Hanging after Clearing the Cache: Remove AJAX Script Compression Too by Ken Cox [MVP]

One of my client's customers was really upset because Internet Explorer 6 would often hang on opening the client's ASP.NET Web application. Naturally it struck during an important "show and tell" session. We were able to reproduce the problem...

Failing AJAX Update? Check the Viewstate by Ken Cox [MVP]

I went around and around for several days on the case of the disappearing treeview. My client is using the excellent ComponentArt TreeView control wrapped inside an ASP.NET AJAX UpdatePanel with a Timer control to update the treeview contents every minute...
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