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Explained: EF 6 and “Could not determine storage version; a valid storage connection or a version hint is required.” by Ken Cox [MVP]

I have a legacy ASP.NET 3.5 web site that I’ve upgraded to a .NET 4 web application. At the same time, I upgraded to Entity Framework 6. Suddenly one of the pages returned the following error: [ArgumentException: Could not determine storage version; a...

Web Development Goes Pre-Visual InterDev by Ken Cox [MVP]

As a longtime and hardcore ASP.NET webforms developer, I’m finding the new client-side development world a bit of a grind.  I love learning new technologies, but I can’t help feeling we’ve regressed and lost our old RAD advantage as we move heavy...

A Small World in ASP.NET–NimblePros Acquired by Telerik by Ken Cox [MVP]

A few weeks ago, fellow ASPInsider Steve Smith of NimblePros passed a client to me. It’s a part-time “tweaks and maintenance” gig for a small startup. I was quite happy to take this on. I’m mostly retired and no longer work fulltime but still want to...

EULAs are Fun. Mock Them Mercilessly! by Ken Cox [MVP]

In my previous post about the new, free Telerik JustDecompile beta , I made fun of the license terms that specifically forbade you from decompiling their decompiler. As you might expect, this was a copy and paste oversight and has been fixed in the latest...

Telerik’s Free Decompiler: Just Don’t Decompile It!* by Ken Cox [MVP]

Telerik has released a beta version of its new ‘always free’ .NET decompiler, JustDecompile . These guys really know their marketing and community support. (Redgate recently disappointed the community by moving the popular .NET Reflector to a $35 paid...

Extracting the Date from a DateTime in Entity Framework 4 and LINQ by Ken Cox [MVP]

In my current ASP.NET 4 project, I’m displaying dates in a GridDateTimeColumn of Telerik’s ASP.NET Radgrid control. I don’t care about the time stuff, so my DataFormatString shows only the date bits: <telerik:GridDateTimeColumn FilterControlWidth=...

Fix: CSS Problems in IE 8 With Over 31 StyleSheets by Ken Cox [MVP]

In my latest Web application, I went crazy trying to find out why a popup/overlay window style was acting up in IE 8 but was fine in the latest version of FireFox. After too many hours of frustration and dead ends, I took the issue to my friends at Telerik...

Standout Component Vendor: Telerik by Ken Cox [MVP]

I guess we all like it when others validate our opinions. I was part of Visual Studio Magazine’s “Editor’s Choice” panel this year. My choice for Top Component Vendor was Telerik and I added this: “Telerik produces a broad range of highly functional and...

The Importance of Using !important in CSS Styles by Ken Cox [MVP]

I just lost time trying to hide a CSS border in a third-party control, so it’s worth a quick post to help others avoid similar frustration. I could plainly see in the Internet Explorer 8 developer tool that an unwanted border in the Telerik RadRotator...

Fixing the ‘Telerik.WebControls.GridInsertionObject does not contain a property’ Error by Ken Cox [MVP]

I really like working with the Telerik ASP.NET AJAX controls. However, I keep forgetting about a problem in the RadGrid that occurs when trying to add a new record using EntityDataSource. If there aren’t any records yet, and you click Add Record, you...
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