Supplies a parameter to the current servlet bean.

<dsp:oparam name="param-name">



Identifies the parameter to set for the current servlet bean.


The value to assign this parameter.

Usage Notes

dsp:oparam (open parameter) takes the value supplied to it in a JSP and passes it to the current dsp:droplet tag. Each servlet bean maintains a set of open parameters which the servlet bean can set, service, and deliver as output to a JSP. For information about open parameters that are available for specific servlet beans, see Appendix B, ATG Servlet Beans.

See the How JSPs Handle Servlet Beans section in the Creating and Using ATG Servlet Beans chapter of the ATG Platform Programming Guide.


<dsp:importbean bean="/atg/dynamo/droplet/Switch"/>

<dsp:valueof param=""/>:&nbsp;

<dsp:droplet name="Switch">
   <dsp:param name="value" param="person.hasCar"/>
   <dsp:oparam name="false">
      No vehicle
   <dsp:oparam name="true">
      Vehicle with capacity of <dsp:valueof param="person.carCapacity"/>

The Switch servlet bean evaluates the input parameter value and tests the Boolean result against the open parameters true and false. The servlet bean processes the matching open parameter.

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