Bug 136522 [Regression]DateTime parameter can't be drag to the layout
Steps to reproduce: 1.New a date time parameter 2.Drag it to the layout Actual result: A BIRT exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Model Plug-in ID:org.eclipse.birt.report.model Version:2.1.0.N20060412-2230 Error Code:Error.PropertyValueException.CHOICE_NOT_FOUND Error Message:The choice value "dateTime" is not found.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dnd/InsertInLayoutUtil.java
{
				if ( cell.getContainer( ).getContainerSlotHandle( ).getSlotID( ) == TableHandle.DETAIL_SLOT )
				{
					canInsert = true;
				}
			}
			
			if ( canInsert )
			{
				TableHandle table = null;
				if ( cell.getContainer( ).getContainer( ) instanceof TableHandle )
				{
					table = (TableHandle) cell.getContainer( ).getContainer( );
				}
				else
				{
					table = (TableHandle) cell.getContainer( )
							.getContainer( )
							.getContainer( );
				}
				SlotHandle header = table.getHeader( );
				if ( header != null && header.getCount( ) > 0 )
				{
					int columnNum = HandleAdapterFactory.getInstance( )
							.getCellHandleAdapter( cell )
							.getColumnNumber( );
					newTarget = (CellHandle) HandleAdapterFactory.getInstance( )
							.getTableHandleAdapter( table )
							.getCell( 1, columnNum, false );
					return newTarget != null