ActiveX control cannot be instantiated because the current thread is not in a single-threaded apartment

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ActiveX control '89d9aaaf-dc4f-4f72-acf3-d2edb8644a44' cannot be instantiated because the current thread is not in a single-threaded apartment."

I have gating this error in asp.net i am using Activex Control in asp.net

I have add .CS in asp.net Application

Posted 20-Apr-11 3:38am

rusiya

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E.F. Nijboer · Answer 1 · 2011-04-20T03:44:00

Solution 1

Add AspCompat="true" attribute to your page directive, maybe that could solve it.
http://msdn.microsoft.com/en-us/library/zwk9h2kb.aspx[^]

Good luck!

Posted 20-Apr-11 3:44am

E.F. Nijboer

Ankur^\m/ · Answer 2 · 2011-04-20T03:46:00

Have you tried this - http://www.google.com/search?q=ActiveX+control+%2789d9aaaf-dc4f-4f72-acf3-d2edb8644a44%27+cannot+be+instantiated+because+the+current+thread+is+not+in+a+single-threaded+apartment&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a[^]?

The links discusses various reasons and possible solutions for the issue. I am sure you will get an answer here.

Sandeep Mewara · Answer 3 · 2011-04-20T03:48:00

Solution 3

Have a look at these articles and discussions:
Understanding The COM Single-Threaded Apartment Part 1[^]
Similar discussion 1[^]
Similar issue[^]
Similar disccusion 2[^]

Posted 20-Apr-11 3:48am

Sandeep Mewara