Bug 167210 No change in 'TOC Item Expression' after select a group row[0001]
Description: No change in 'TOC Item Expression' after select a group row[0001] Build number: 2.2.0.v20061208-1310 Steps to reproduce: 1, Drag a dataset into layout 2, Select the table and insert a group on it. 3, In New Group, select a row as group row 4, Check the 'TOC Item Expression' Expected result: The row["XXXX"] in 'TOC Item Expression' after selecting 'Group On' Actual result: There is still blank in 'TOC Item Expression' Error log:
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/GroupDialog.java
keyChooser.setText( "" ); 
			return;
		}
		for ( int i = 0; i < columnList.size( ); i++ )
		{
			if ( key.equals( DEUtil.getExpression( columnList.get( i ) ) ) )
			{
				keyChooser.select( i );
				return;
			}
		}
		keyChooser.setText( key );
	}
	/**
	 * Reset interval
	 * 
	 */
	private void resetInterval( )
	{
		String currentKeyExpression = keyChooser.getText( );
		if ( previoiusKeyExpression.equals( currentKeyExpression ) )
			return;
		if ( ExpressionUtility.isColumnExpression( currentKeyExpression ) )
			intervalChoices = getSubIntervalChoice( );
		else
			intervalChoices = intervalChoicesAll;
		resetIntervalType( intervalChoices );
		previoiusKeyExpression = currentKeyExpression;
	}
	/**