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While developing a page that was to be used through an inline wrapper, I got an error: "Validation of viewstate MAC failed". This error can usually be resolved by disabling event validation , viewstate encryption or viewstate for the MAC . In my case these solutions did not resolve the issue...
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We developed an ASP.NET page (A) to be wrapped in an existing PHP page (B) using an inline wrapper. After a few days in which both pages displayed nicely, our page (A) suddenly got displayed twice inside the existing page (B). And even weirder was that the postbacks of the first occurrence didn...
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When you want to implement a custom stsadm for SharePoint, all you realy have to do is implement the Microsoft.SharePoint.StsAdmin.ISPStsadmCommand interface. Because I develop on a machine with no SharePoint installed, I (only) copy the assemblies I need to develop locally. For the stsadm command I...
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After developing a custom Web Service to be hosted in SharePoint (based on this HowTo article on MSDN ) and deploying it on a testing environment, I got some entries in the EventLog over there, stating: " Unable to connect publishing custom string handler for output caching. IIS Instance Id is 'xxxxxxxxx'...
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After extending a textbox with a NumberUpDownExtender, which comes with the AJAX Control Toolkit, I recieved the error "the number of fractional digits is out of range". This happened when debugging my web application and using the extender. When using the web app in non-debug mode, nothing...
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While developing a web application for a friend of mine, I ran into a Visual Studio error message I hadn't seen before: Error connecting to undo manager of source file 'D:\Development\SomeWeb Application\Default.master.designer.cs'. The error occured whenever I tried to start the (web) application...
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The error I'm getting when setting up an OleDB connection to an Access database* via the Server Explorer in Visual Studio 2008 is 'Format of the initialization string does not conform to specification starting at index 0'. The screen doesn't display the way it should be displayed, as...
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Getting the ModalPopupExtender from the Ajax Control Toolkit to work (decently) in SharePoint was not exactly a walk in the park. With a default SharePoint installation, the modal popup is partly positioned 'outside' of the page (you only see the bottom right part of the popup in the top left...
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In a quick AJAX demo I had to create today, I ran into a (somewhat cryptic) PageRequestManagerServerErrorException. I needed a simple form of the Cascading Dropdown , one that doesn't use a (web)service for its data, but gets it from a simple method. Here's the setup, and the cause... Lets start...
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Next to the message in the subject, one of the symptoms we encountered is that although the solution contains some test projects the 'Create private accessor' menu has disappeared. Also, selecting 'Create unit tests...' produces an error. And when editing a testrun config and selecting...
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If you are lucky enough to not work with web project in VS 2003 don't read on. i have a massive amount of time trying to figure how to open a web project written in .NET 1.1/VS 2003 on another machine on couple of XP machines every time i got error and try to hack into it to get another one, all...