To set default value as blank  in drop down by index

Hi Experts ,
I'm using Adaptive RFC model to get data from SAP and I've to create DropDownByIndex  and populate it with the data.
I am getting data in the drop down but when my screen is displayed , I contains one of the values from the Drop down as default . But I want default value as blank .
How to set blank value as default.
Thanks in advance

Hi
U shuld Make the Node that Is Bound to the DropDown By Index Ui Element Selection Property as 0..1 and Not 1-1 which says that that it can hold even zero instance
oh Sorry Valery i did not check ur Post
Wishes
Krishna kanth
Message was edited by: krishna  kanth

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