Creating a new TypeConverter for controls

Discussion in 'ASP .Net Building Controls' started by google, Feb 8, 2007.

  1. google

    google Guest


    I want to create a TypeConverter derived from ControlIdConverter that
    lists controls on a WebForm filtered so it only shows specific types,
    e.g. just TextBoxes. I have looked at the code for ControlIDConverter
    and overriden the FilterControl method.

    This didn't work and on further investigation it seems I'm always
    getting null passed in the context parameter of GetStandardValues.
    This therefore goes no further and returns null as the list. Does
    anyone know why null is being passed? I was expecting an
    IDesignerHost, i.e. the WebForm designer so I could get the controls
    on it.

    Russell Mason
    google, Feb 8, 2007
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