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i have a group that is grouped alphabetically the problem is that for example i don't have any items beginning with 'a' but a is on the GroupItemSelector and when i tap it an exception gets thrown.
How do i disable 'a' or any other alphabets if my List doesn't contain Item.Substring(0,1) = 'the alphabet"?
below is a pic shows that all the keys are enabled:
How do i disable 'a' or any other alphabets if my List doesn't contain Item.Substring(0,1) = 'the alphabet"?
below is a pic shows that all the keys are enabled:
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answered on 22 Nov 2014, 01:40 PM
i solved it.