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 ( array[i] instanceof ResultSetColumnHandle )
			{
				Object currDataSet = ( (ResultSetColumnHandle) array[i] ).getElementHandle( );
				if ( currDataSet == null )
				{
					return false;
				}
				if ( dataSet == null )
				{
					dataSet = currDataSet;
				}
				else
				{
					if ( dataSet != currDataSet )
					{
						return false;
					}
				}
			}
		}
		return true;
	}
	/**
	 * Validates container of drop target from data set in data view
	 * 
	 * @param dropPart
	 * @return validate result
	 */
	protected static boolean handleValidateDataSetDropContainer(