Bug 135848 Set a row to Y series, then delete the row, error message shoule be pop up.
Set a row to Y series, then delete the row, error message shoule be pop up. Steps: 1.Create a bar chart 2.Open Chart Builder, go to "Select Data" tab, select a data set, click "Data Binding..." button, add a new row["a"] 3.Set row["a"] to Y series 4.Then click "Data Binding..." button, delete row["a"] 5.Click "Finish" button 6.Preview or Double click the chart Actual Results: 1.Have no error message, chart can not be previewed Expected Results: 1.Error message should be pop up.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/data/dte/NativeRowObject.java
*/
	}
	public boolean has( String name, Scriptable start )
	{
		Iterator iter = rsets.iterator( );
		while ( iter.hasNext( ) )
		{
			IResultSet rset = (IResultSet) iter.next( );
			try
			{
				IResultMetaData metaData = rset.getResultMetaData( );
				for ( int i = 0; i < metaData.getColumnCount( ); i++ )
				{
					String colName = metaData.getColumnName( i );
					if ( colName.equals( name ) )
					{
						return true;
					}
				}
			}
			catch ( BirtException ex )
			{
				
			}
		}
		return false;
	}
	public boolean has( int index, Scriptable start )
	{
		return false;