Bug 151381 [Smoke]The parameter didn't display in the web viewer
Description: Preview a parameter in the web viewer, it can't be previewed. Step to reproduce: 1. new a report and a parameter 2. drag it to the layout 3. preview it in the web viewer Actual result: the parameter is not displayed
core/org.eclipse.birt.core/src/org/eclipse/birt/core/data/DataTypeUtil.java
{
				throw new BirtException( pluginId,
						ResourceConstants.CONVERT_FAILS,
						new Object[]{
								source.toString( ), "Integer"
						},
						resourceBundle );
			}
		}
		else
		{
			throw new BirtException( pluginId,
					ResourceConstants.CONVERT_FAILS,
					new Object[]{
							source.toString( ), "Integer"
					},
					resourceBundle );
		}
	}
	/**
	 * Boolean -> BigDecimal
	 * 		true 	-> 1
	 * 		others 	-> 0 
	 * Date -> BigDecimal
	 * 		Date.getTime();
	 * String -> BigDecimal
	 * 		new BigDecimal(String);
	 * @param source
	 * @return
	 * @throws BirtException