Bug 155365 Can not set data type to "date time" when editing "Data Item"
Description: Can not set data type to "date time" when editing "Data Item" Steps to reproduce: 1. Insert a data item to the layout 2. Name it and set the expression to "a = new Date()" 3. Select the data type to date time 4. Press ok Actual result: An Birt Exception is thrown out. Expected result: No NPE thrown out
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ColumnBindingDialog.java
{
				try
				{
					( (DataItemHandle) inputElement ).setResultSetColumn( selectedColumnName );
				}
				catch ( SemanticException e )
				{
					ExceptionHandler.handle( e );
				}
			}
		}
		super.okPressed( );
	}
	private void deleteRow( ComputedColumnHandle handle )
	{
		try
		{
			if ( handle.getName( ).equals( selectedColumnName ) )
			{
				selectedColumnName = null;
			}
			handle.drop( );
		}
		catch ( PropertyValueException e )
		{
			ExceptionHandler.handle( e );
		}
	}
	private void generateBindingColumns( ) throws SemanticException
	{