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Ajuda com OnSelectedIndexChanged


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Como o Caça disse e bem, deves usar o AutoPostBack=True.

Ao fazeres isso vai ser efectuado um postback completo à tua página. Para minimizar este "impacto", podes usar um updatepanel à volta da 2a combobox. Assim, apenas este controlo é renderizado e a página passa a ser carregada mais rapidamente.

Pedro Martins

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