Watch out for Date Kind in JSON Deserialization

submitted by rstrahl 4 days, 2 hours ago

west-wind.com — If you're working with dates in JSON serialization make sure you carefully normally dates returned from JSON deserialization. Reason is that especially the Microsoft Serializers return dates as Utc dates which can produce some unexpected and often missed results. read more...

add a comment | category: ASP.NET | Views: 2

Accessing a SafeArray Result from a COM Call in C#

submitted by rstrahl 11 days, 7 hours ago

west-wind.com — I'm calling a COM object from managed code that's returning a binary response, which is returned as a SafeArray of bytes from the COM server. The problem is the SafeArray is not exactly easily accessed in .NET and the debugger provides some misleading information for the returned COM type. Here's how to access the SafeArray from C# code. read more...

add a comment | category: C# | Views: 2

Monitoring Html Element CSS Changes in JavaScript

submitted by rstrahl 23 days, 3 hours ago

west-wind.com — I have the need to monitor movement of elements in an HTML document via JavaScript. Unfortunatey there are no events that fire if HTML elements are moved around the document either via dragging or by programmatic location changes. As a workaround I created a jQuery CSS monitoring plugin that fires event when a given CSS property changes. read more...

add a comment | category: AJAX | Views: 1

Static Singletons for ASP.NET Controls

submitted by rstrahl 1 month, 27 days ago

west-wind.com — When building generic ASP.NET Server controls that also provide a sort of API service to other custom controls or page level code, it's often necessary to ensure that only a single instance of a control exists, and that only that single instance of this control or component can be accessed in the context of an ASP.NET request. Using HttpContext and it's Item collection makes it easy to create reusable, cacheable instances and ensure you're only running a Singleton instance of it. read more...

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A jQuery Client Status Bar

published 2 months, 24 days ago, submitted by rstrahl 2 months, 25 days ago

west-wind.com — Status bars are very useful in client applications to display well status information and having a reusable and easily callable and configured status component to display messages is extremely handy. Here's an implementation that uses jQuery plus a bit of CSS to make short work of displaying status content. read more...

add a comment | category: AJAX | Views: 356

Ending a Response without Response.End() Exceptions?

submitted by rstrahl 3 months, 12 days ago

west-wind.com — There's not really a clean way to end the current Response output and then keep on processing an ASP.NET request. Here's a scenario and a few observations on Response closing behaviors. read more...

add a comment | category: ASP.NET | Views: 13

ASP.NET Connections Slides and Samples Posted

published 4 months, 1 day ago, submitted by rstrahl 4 months, 6 days ago

west-wind.com — I've posted my session slides and samples from my ASP.NET Connections sessions last week in Orlando. I did three sessions at the conference and you can check out the slides and samples here. read more...

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Variable Scoping in Anonymous Delegates in C#

published 4 months, 10 days ago, submitted by rstrahl 4 months, 11 days ago

west-wind.com — On a few occasions anonymous methods still throw me for a conceptual loop. Anonymous methods work like closures and so variable scoping can be extended into these anonymous methods from the calling method scope which is pretty damn useful and the basis for what makes Lambda expressions work in the first place. read more...

add a comment | category: C# | Views: 7