How to check custom control's property value at design time


  • Hi,

    i notice that every web server controls have a property runat='server', when i chenge the value of this property at design time, a warming will be shown like this:

    this is a very good feature.

    now i want use this feature into my custom control developed by my self.

    my control  like this:

    i just want my control check the property Old not large than 130 and not less than 0 at design time , what can i do?

    thank you very much.

    martes, 17 de abril de 2012 7:11


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    • Marcado como respuesta dj1987 miércoles, 18 de abril de 2012 1:35
    martes, 17 de abril de 2012 19:31