i have a problem with jtable

i am using NetBeans 3.6 kit and i have a problem with jtable. when i insert new column to my jtable while program is runing, and then i want to change the value of any row of my inserted column. it changes another values of rows of different columns. how can i resolve this problem and how can i insert new column or columns correctly in jtable while my program is runing?

thanks a lot for your answers...

[426 byte] By [musa_yilmaz] at [2007-9-30 15:58:52]
# 1
You can use below methodology to add column to JTable.TableColumn column = new TableColumn( );column.setHeaderValue( (Object)("ABC"));jtable.addColumn( column );In above example jtable is instance of JTable class.
SreedharRacharla at 2007-7-5 23:27:25 > top of Java-index,Administration Tools,Sun Connection...