January 1026

Validation of viewstate MAC failed

Tags: , , | Categories: ASP.NET | Development
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We have just added a second Windows 2008 Web Server to our production environment and hit our first problem “Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.” [More]

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January 1026

The trouble with Enums

Tags: | Categories: ASP.NET | Musings
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Why are enums so hard to work with? For simple / trivial things, where you want to limit the options available to other developers an enum is a wonderful thing, such as a choice of colours or display modes. [More]

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