When a user select an item in a drop-down list that is bound to a global list, then a read-only text is updated with the value of another column of this global list. In the following sample, the list contains the alpha-2 code as the value and the read-only text contains the alpha-3 code.
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Create a drop down list bound to a global list.
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Call a method on the
OnSelectedIndexChangeevent and set theAutopostbackevent totrue.
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Create a read-only text with the ID
COUNTRY_ALPHA3.
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In the .NET code, add the following code to bind the read-only text to the global list on the
SelectedIndexChangeevent.