Bug 141961 All default column binding names for data are the same
Steps to reproduce: 1.Add a data. In the pops up window, add a column binding, "[result_set_col_name]" is given as the default column binding name 2.Add another column binding Expected result: Another different column binding name is given Actual result: The same column binding name is given An exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Model Plug-in ID:org.eclipse.birt.report.model Version:2.1.0.N20060516-1213 Error Code:Error.PropertyValueException.VALUE_EXISTS Error Message:The value "[result_set_col_name]" already exists.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ColumnBindingDialog.java
| SWT.BORDER
				| ( canSelect ? SWT.CHECK : 0 ) );
		gd = new GridData( GridData.FILL_BOTH );
		gd.heightHint = 200;
		table.setLayoutData( gd );
		table.setLinesVisible( true );
		table.setHeaderVisible( true );
		table.addKeyListener( new KeyAdapter( ) {
			/**
			 * @see org.eclipse.swt.events.KeyAdapter#keyReleased(org.eclipse.swt.events.KeyEvent)
			 */
			public void keyReleased( KeyEvent e )
			{
				
				if ( e.keyCode == SWT.DEL )
				{
					IStructuredSelection selection = (IStructuredSelection) bindingTable.getSelection( );
					if ( selection.getFirstElement( ) instanceof ComputedColumnHandle )
					{
						deleteRow( (ComputedColumnHandle) selection.getFirstElement( ) );
					}
				}
			}
		} );
		String[] columns = null;
		int[] columnWidth = null;
		CellEditor[] cellEditors;
		expressionCellEditor = new ExpressionCellEditor( table );
		columns = new String[]{
				null,