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
{
						LabelHandle labelItemHandle = SessionHandleAdapter.getInstance( )
								.getReportDesignHandle( )
								.getElementFactory( )
								.newLabel( null );
						
						
						
						if ( columns[j].getColumnName( ) != null )
						{
							boolean hasDisplayName = false;
							for ( Iterator iter = model.columnHintsIterator( ); iter.hasNext( ); )
							{
								ColumnHintHandle hint = (ColumnHintHandle) iter.next( );
								if ( columns[j].getColumnName( )
										.equals( hint.getColumnName( ) ) )
								{
									labelItemHandle.setText( hint.getDisplayName( ) );
									hasDisplayName = true;
									break;
								}
							}
							if ( !hasDisplayName )
							{
								labelItemHandle.setText( columns[j].getColumnName( ) );
							}
						}
						cell.addElement( labelItemHandle, cells.getSlotID( ) );
					}
					else