TextBox TextChange Event

Discussion in 'ASP .Net' started by sunilthk@gmail.com, Jun 25, 2006.

  1. Guest

    Hi All,
    I want to know how the TextBox control knows that it's data has been
    changed, since it is able to detect changes and fires TextChange event
    if the data in the TextBox has been changed. I know that TextBox class
    implements IPostBackDataHandler interface which defines a method
    LoadPostData(string postDataKey,NameValueCollection postCollection)
    the postCollection keeps the posted data for each web control. How
    ASP.NET fills this postCollection objects, i thought that ASP.NET uses
    view state to get posted values, but i set EnableViewState property of
    the text box then also the text changed event is firing.
    Please let me know how this happens.
    Thanks
    Sunil
     
    , Jun 25, 2006
    #1
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