Af:column visible property

Hi,
I am using JDeveloper 11.1.1.4 and ADF-BC in my application.
I want to pragmatically control the visible property of the af:column inside the table.
I have the following code for af:column.
<af:column sortable="false" headerText="Impact Cat New" id="c7" visible="#{row.bindings.Selected.inputValue}">
</af:column>
Initially, the value of 'Selected' will be false when the table is first displayed and hence it should NOT be displayed.
In the table selection listener,I set the property 'Selected' to true for the selected row and refresh the table[AdfFacesContext.getCurrentInstance().addPartialTarget(tblEmp)].
But Even after refresh the table is never showing the column for which visible is set as true.
The table is inside a panelCollection.
Please advice.
Regards,
Praveen

This won't work, as the column is the container for all rows and the row attribute is only available when the table rows arr stamped. I don't understand your use case. You want to show a column if one row gets selected? Sounds odd to me.
If you really want to do this, you have to set an attribute outside the table and use the selection listener to switch this attrbute. Then use the new attribute in the columns visible property.
Timo

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