chy996633
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chy996633
I meet this problem too. Finally I found that if the **name** attribute of a item(belongs to **source**) appears to be "" ,which is an empty string, the displayText() method...
chy996633
I meet this problem too. Finally I found that if the **name** attribute of a item(belongs to **source**) appears to be "" ,which is an empty string, the displayText() method...