How to change asp.net framework version from 3.5 to 4.5

When you change the framework version then compatibility also change.If you are getting error then you need to resolve those error. Errors will arise because of framework change.

https://docs.microsoft.com/en-us/dotnet/framework/migration-guide/

https://stackoverflow.com/questions/115656/asp-net-framework-effects-of-moving-from-2-0-to-3-5

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Ashok6y ago

Hi Rajanikant,

Thanks for the reply i am getting following error

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Rajanikant Hawaldar6y ago

In Visual Studio: Right-click on your project Select Properties Select the Application tab Change the Target Framework to the desired framework If you are not seeing .NET Framework 4.5 as an option there, ensure you have it installed. https://www.hanselman.com/blog/NETVersioningAndMultiTargetingNET45IsAnInplaceUpgradeToNET40.aspx

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Ashok6y ago

Thanks for the reply Salman i am getting this popup when i submit login button

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Salman Beg6y ago

Hi.

Check this link,

https://stackoverflow.com/questions/10877913/how-do-i-change-the-net-framework-from-version-3-5-to-version-4-0

Thanks.

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