Rails - Apr 2007 - Ajax Drog and Drop Sorting Frequency

Hi Friends,

I am new to ROR.I have implemented sorting by Ajax drag and drop and
interaction with database.
Working fine but if i sort records rapidly, getting nil point exception.

I am pasting the sortable list code.

<%= sortable_element(''sortable_charts'',
                       :update => ''assigned_chart_files'',
                       :url => {:action => :update_positions , :quiz_id
=> @quiz.id },
                       :before =>
"Element.show(''spinner'')",
                       :success =>
"Element.hide(''spinner'')")%>

Also tryed with :frequecy => 3 or 4,or 2 but ssame error.

Nil point error is getting when i sort records rapidly.Normally it is
working fine.

Can u give any advice?

I hope i wil get solution..

Regards,
-Karni

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