dojo grid area get unreadable -

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I have a dojo app that Dojo grid of broad uses, some app to use after all the grid at Gray it takes (

a has for the potential causes of an idea?

Do you include all the necessary CSS are? grid uses some of which are not part of the code- tundra. 

  @import "/ js / dojox / grid / resources / grid .css "; @import" / js / dojox / grid / resources / tundraGrid.css "; @import" /js/dojo/resources/dojo.css "; @import" /js/dijit/themes/tundra/tundra.css ";  < / pre> 
 If you have all this, then the next thing is to check that the grid is a visual area is closed. I have a ton of trouble in the part where the grid < code> display: hidden  div was started in. 
 
 hope that this helps if not, then let me know.

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