Errors on asp.net tags

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after typing a tag in visual studio .
it is showing a GREEN underline under that tag.
and it shows a message like this"Element 'button' is not a known element.This may occur if there is a compilation error in the website are web.config file is missing "

what i have to do.My web.config is already exists int the project.

please help.

Posted 19-Dec-12 3:47am

Ranga Maddileti

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ZurdoDev 19-Dec-12 9:59am

It's a compilation error. You have to track down the cause. Does it compile?

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AnkitGoel.com · Accepted Answer · 2012-12-19T04:11:00

Solution 2

Try using proper casing like below-

<asp:button xmlns:asp="#unknown">

Posted 19-Dec-12 4:11am

AnkitGoel.com