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Facing issue while rename column header in Nattable [message #1746896]

Mon, 07 November 2016 12:45

soma dey

Messages: 1
Registered: April 2016

Junior Member

My nattable consist of 27 columns, i want to rename the few columns based on columnposition using RenameColumnHeaderCommand, but it doesnt work .
For ex.
when nattable is loaded it shows first 9 columns and when i use the command to rename the columnposition 18 , then it doesnt work.
when i try to get data at this position it throws me index out of bound exception.

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Re: Facing issue while rename column header in Nattable [message #1747046 is a reply to message #1746896]

Tue, 08 November 2016 20:23

Dirk Fauth

Messages: 2902
Registered: July 2012

Senior Member

I don't know what you are doing in detail, but probably this is because the position is not visible from the NatTables point of view. This is because of the ViewportLayer. I never tried to call the RenameColumnHeaderCommand programmatically, but I guess it doesn't support renaming not visible columns by position.

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Re: Facing issue while rename column header in Nattable [message #1747064 is a reply to message #1747046]

Wed, 09 November 2016 08:00

Dirk Fauth

Messages: 2902
Registered: July 2012

Senior Member

By the way, do you really only want to rename the header visually or in the data model. The RenameColumnHeaderCommand triggers some action to make it possible for a user to set another column name while the real value in the data model stays unchanged. I suppose you really want to change the data value of the column header which you could achieve by calling an UpdateDataCommand or simply setDataValue() on the column header data provider.

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Re: Facing issue while rename column header in Nattable [message #1747115 is a reply to message #1746896]

Wed, 09 November 2016 15:51

Naveen Sabapathy

Messages: 46
Registered: July 2016

Member

One more way to solve this problem would be.

Instead of using

 columnHeaderLayer.renameColumnPosition(columnIndex, NewName);

you can use

 columnHeaderLayer.renameColumnIndex(columnIndex, NewName);

This might help you.

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