# Map is sometimes "null" in controller action method

**URL:** <https://community.thinkgeo.com/t/map-is-sometimes-null-in-controller-action-method/4008>\
**Category:** MVC\
**Created:** [January 31, 2013, 2:19am UTC](https://community.thinkgeo.com/t/map-is-sometimes-null-in-controller-action-method/4008 "2013-01-31T02:19:20Z")\
**Posts on this page:** 3\
**Page:** 2

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**Author:** ![Gary2](https://community.thinkgeo.com/letter_avatar_proxy/v4/letter/g/49beb7/32.png) [@Gary2](https://community.thinkgeo.com/u/Gary2)\
**Post date:** [April 3, 2013, 8:38pm UTC](https://community.thinkgeo.com/t/map-is-sometimes-null-in-controller-action-method/4008/21 "2013-04-03T20:38:07Z")

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Hello&nbsp;Jean-marie,&nbsp;  
&nbsp;&nbsp;  
&nbsp;I’m&nbsp;glad&nbsp;it’s&nbsp;working&nbsp;now,&nbsp;please&nbsp;feel&nbsp;free&nbsp;to&nbsp;let&nbsp;us&nbsp;know&nbsp;if&nbsp;you&nbsp;meet&nbsp;any&nbsp;other&nbsp;questions.&nbsp;  
&nbsp;&nbsp;  
&nbsp;Regards,&nbsp;  
&nbsp;&nbsp;  
&nbsp;Gary

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**Author:** ![Jean-marie](https://community.thinkgeo.com/letter_avatar_proxy/v4/letter/j/a183cd/32.png) [@Jean-marie](https://community.thinkgeo.com/u/Jean-marie)\
**Post date:** [April 3, 2013, 9:35pm UTC](https://community.thinkgeo.com/t/map-is-sometimes-null-in-controller-action-method/4008/22 "2013-04-03T21:35:05Z")

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Well&nbsp;yes&nbsp;it&nbsp;is&nbsp;working&nbsp;but&nbsp;one&nbsp;must&nbsp;clean&nbsp;the&nbsp;browser&nbsp;history&nbsp;each&nbsp;time&nbsp;that&nbsp;the&nbsp;issue&nbsp;occur&nbsp;then&nbsp;what&nbsp;should&nbsp;we&nbsp;to&nbsp;fix&nbsp;this&nbsp;???&nbsp;  
&nbsp;&nbsp;

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**Author:** ![Edgar](https://community.thinkgeo.com/letter_avatar_proxy/v4/letter/e/b487fb/32.png) [@Edgar](https://community.thinkgeo.com/u/Edgar)\
**Post date:** [April 23, 2013, 9:05pm UTC](https://community.thinkgeo.com/t/map-is-sometimes-null-in-controller-action-method/4008/23 "2013-04-23T21:05:56Z")

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Hi&nbsp;Jm,&nbsp;  
&nbsp;&nbsp;  
&nbsp;AS&nbsp;you’ve&nbsp;created&nbsp;a&nbsp;ticket&nbsp;for&nbsp;this&nbsp;post,&nbsp;We&nbsp;have&nbsp;to&nbsp;close&nbsp;this&nbsp;post.&nbsp;  
&nbsp;&nbsp;  
&nbsp;Regards,&nbsp;  
&nbsp;Edgar

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