Creates or replaces a session variable or set of session variables associated with the current HTTP request. The data type you wire to the value input determines the polymorphic instance to use.

Note For more information about concepts in this topic, refer to the Web services introduction and tutorial.


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Inputs/Outputs

  • cNI__WebServices_lvlib_Web_Requestlvclass.png LabVIEW Web Service Request —

    LabVIEW Web Service Request is an identifier used by Web Services VIs to reference a specific HTTP request. LabVIEW Web Service Request works similarly to a refnum in LabVIEW, allowing you to wire together Web Services VIs within your application. You must wire Web Services VIs to the LabVIEW Web Service Request control or an existing value from the LabVIEW Web Service Request out terminal of another VI.

    When you use Web Services VI(s) within a Web method VI, you must assign the original LabVIEW Web Service Request control to the connector pane of the Web method VI.

  • c1dstr.png keys —

    keys identifies an array of names for session variables to create or replace.

  • c1ddbl.png values —

    values specifies the array of numeric values to assign to the session variables.

  • cerrcodeclst.png error in (no error) —

    error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

  • iNI__WebServices_lvlib_Web_Requestlvclass.png LabVIEW Web Service Request out —

    LabVIEW Web Service Request out is an identifier that VIs on the Web Services palette use to reference a specific HTTP request. Use LabVIEW Web Service Request out to wire together Web Services VIs within your application.

  • i1dstr.png previous values —

    previous values returns an array of values for session variables overwritten by the VI.

  • i1dbool.png replaced ? —

    replaced ? indicates whether the VI overwrote any session variables.

  • ierrcodeclst.png error out —

    error out contains error information. This output provides standard error out functionality.