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
else if ( COLUMN_AGGREGATEON.equals( property ) )
			{
				value = handle.getAggregrateOn( );;
				if ( value != null )
				{
					for ( int i = 1; i < groups.length; i++ )
					{
						if ( value.equals( groups[i] ) )
						{
							return new Integer( i );
						}
					}
				}
				return new Integer( 0 );
			}
			if ( value == null )
			{
				value = ""; 
			}
			return value;
		}
		public void modify( Object element, String property, Object value )
		{
			if ( element instanceof Item )
			{
				element = ( (Item) element ).getData( );
			}
			try
			{
				if ( COLUMN_NAME.equals( property ) )