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
else if ( array.length != 0 )
		{
			result = performInsert( array[0], target, targetParent );
		}
		return result;
	}
	protected static DataItemHandle performInsertParameter(
			ScalarParameterHandle model ) throws SemanticException
	{
		
		
		
		
		DataItemHandle dataHandle = DesignElementFactory.getInstance( )
				.newDataItem( null );
		ComputedColumn bindingColumn = StructureFactory.newComputedColumn( dataHandle,
				model.getName( ) );
		bindingColumn.setDataType( model.getDataType( ) );
		bindingColumn.setExpression( DEUtil.getExpression( model ) );
		dataHandle.addColumnBinding( bindingColumn, false );
		dataHandle.setResultSetColumn( bindingColumn.getColumnName( ) );
		return dataHandle;
	}
	/**
	 * Inserts dataset column into the target. Add label or group key if
	 * possible
	 * 
	 * @param model
	 *            column item
	 * @param target