When trying to build your ASP.NET project targeting .NET Framework 3.5, you receive following error: The report definition is not valid. Details: The report definition has an invalid target namespace ‘http://schemas.microsoft.com/sqlserver/reporting/2008/01/reportdefinition’ which cannot be upgraded. After some investigation I decided to create new empty project from the scratch and then compare two web.config files to […]
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If you expirience that Google Chrome works very slowly on localhost while debugging in Visual Studio, all you have to do is to alter the C:\Windows\System32\drivers\etc\hosts file and add a record 127.0.0.1 localhost. That will instruct Google Chrome not to use IPV6 lookup. This is also applicable to FireFox browser as well. For more details please take a […]
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There’s a simple and effective way to precompile your ASP.NET application in desired folder prior to publishing it (e.g. uploading to web server via FTP):
C:\Windows\Microsoft.Net\Framework\v2.0.50727\aspnet_compiler.exe -v /WEBSITENAME -p “C:\Projects\WebSiteSource” “C:\Projects\WebSitePublished”
And, as you probably already know, adding any other uncompiled files to this precompiled version (e.g. uncompiled user controls .ascx meant to be loaded dynamically via […]
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Posted in SQL Server, ASP.NET, Visual Studio on Dec 21st, 2008
I’ve just come to conclusion that there’s another annoying thing which is actually very common when working with TableAdapters, ObjectDataSource and DataBinded controls on a WebForm. For example, when you use a DataBinded DropDownList control in a DetailView control to choose one value for your ForeignKey, everything works fine, until your ForeignKey has a Null value, and there is no such value in a […]
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Posted in ASP.NET, Visual Studio on Jun 12th, 2008
You’ve got your ASP.NET application working just fine and you have nothing changed but “all of a sudden” you get this exception on your data binded form: “Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints“. Off course, you’re sure that’s everything fine with your database. So what to do? First you […]
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Posted in ASP.NET, Visual Studio on Dec 11th, 2007
If you had installed IIS on Windows XP Professional machine afterwards you had already installed Visual Studio 2003/2005 or .NET Framework 1.x/2.x you will probably encounter error “Failed to access IIS metabase” while trying to run your web app in IIS (http://localhost/appname). The solution that worked for me in that case was executing following command line: aspnet_regiis -i. This utility […]
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