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EditCombo list starting with blank line / or allowing blank as choice

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    EditCombo list starting with blank line / or allowing blank as choice

    Hi,

    I think i have seen a thread about this, but cannot find it anymore.
    I want to use a lookup with dynamic filled edit combolist in a grid and set as property of the lookup "user must select from list"

    But with one exception: selecting blank should be possible, so that a previous selected value can become blank.

    Is that possible?
    Ger Kurvers
    Alpha Anywhere / V4.6.1.9- Build 6488 (production) / V4.6.5.1 - 8722-5683(testing)
    Development: Mysql, windows 10 64 Applicationserver: standard on Windows server 2019

    #2
    Re: EditCombo list starting with blank line / or allowing blank as choice

    In the section where you define your Dynamic dropdownbox content, at the bottom of that dialog, is a section that lets you define Pre and Post (first and last) selections. To have a blank show up as the first selection, choose Pre and just put in just the separactor | character. That should do it.

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      #3
      Re: EditCombo list starting with blank line / or allowing blank as choice

      Thanks David. But this is only true if the control is defined as a dropdownbox.

      But i use a control defined as textbox in combination with the new lookup features (sorry i did not provide that information initially)
      In that case the pre/post option is not present :-(

      If defined as dropdownbox the feature progressive filtering is not present (among other things), and that is more important for me... (users can erase previous made choice with the keybord, not as friendly but it is possible). So i think i have to stick to that and hope alpha will provide pres/post option also here....


      Originally posted by Davidk View Post
      In the section where you define your Dynamic dropdownbox content, at the bottom of that dialog, is a section that lets you define Pre and Post (first and last) selections. To have a blank show up as the first selection, choose Pre and just put in just the separactor | character. That should do it.
      Ger Kurvers
      Alpha Anywhere / V4.6.1.9- Build 6488 (production) / V4.6.5.1 - 8722-5683(testing)
      Development: Mysql, windows 10 64 Applicationserver: standard on Windows server 2019

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