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Thread: Dropdown box control

  1. #1
    Member
    Real Name
    Paul Smith
    Join Date
    Nov 2012
    Posts
    5

    Default Dropdown box control

    Hello,

    I am creating an online application from where students can apply for a course.

    The problem I am having is that there are 5 courses which can be chosen from dropdown boxes but some courses are equal to two awards. When a double award course chosen, I need to disable one of the other dropdown boxes.

    Currently the admin staff are having to contact students who have selected too many courses because of this.

    Can someone point me in the direction of how to do disable or remove extra drop down boxes if a double award course is chosen.

    Thank you,

    Paul

  2. #2
    "Certified" Alphaholic
    Real Name
    Govindan Gandhi
    Join Date
    Aug 2008
    Location
    New York, NY
    Posts
    4,294

    Default Re: Dropdown box control

    hello

    you may want to consider show/hide expression.
    for example your course drop-down ( let's call it course ) has a value list of one, two, three, four and five. and course three and four are double award courses, then on the drop-down you want to hide:
    in the show/hide property you could add an expression course = "one" or course = "two" or course = "five'.
    so the box will be shown only when those choices are selected in the drop_down box named course.

    this probably will work on the enable/disable control also, at least in theory.
    thanks for reading

    gandhi

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