Traingle symbol on Table header

[forgeneral10]

Hi, 

i'm getting a traingle symbol on table column1 header,  it ried multiple ptions to remove the traingle, i have deleted the whole table and created the new table still im facing the same issue. i dont under stand why im getting that issue, is it due to templte that im using or any of the sytle that im using ? but its occuring only on column1 header where i have 2 columns in the table. 

[hozawa]

That's a "column sort" symbol. Click on it to toggle between ascending and descending sort.

If you do not need to sort, set the following property to false.

net.sf.jasperreports.components.table.interactive[/code]

http://jasperreports.sourceforge.net/config.reference.html#net.sf.jasperreports.components.table.interactive