Introducere in ASP.NET Controale Web Pagina in ... - Profs.info.uaic.ro
Introducere in ASP.NET Controale Web Pagina in ... - Profs.info.uaic.ro
Introducere in ASP.NET Controale Web Pagina in ... - Profs.info.uaic.ro
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<st<strong>ro</strong>ng>ASP</st<strong>ro</strong>ng>.<st<strong>ro</strong>ng>NET</st<strong>ro</strong>ng> 03.03.2014 21/30<br />
Membri<br />
AutoPostBack = true => actioneaza la schimbarea selectiei curente.<br />
Items – returneaza o colectie de articole ListItem.<br />
SelectedIndex – returneaza sau seteaza <st<strong>ro</strong>ng>in</st<strong>ro</strong>ng>dexul articolului selectat. Pentru liste ce suporta<br />
selectia multipla trebuie scanata <st<strong>ro</strong>ng>in</st<strong>ro</strong>ng>treaga colectie pentru a determ<st<strong>ro</strong>ng>in</st<strong>ro</strong>ng>a articolele selectate<br />
(verificare p<strong>ro</strong>prietate Selected).<br />
SelectedItem – returneaza o refer<st<strong>ro</strong>ng>in</st<strong>ro</strong>ng>ta la prmul articol ListItem selectat.<br />
DataSource - se seteaza la un obiect ce cont<st<strong>ro</strong>ng>in</st<strong>ro</strong>ng>e <st<strong>ro</strong>ng>in</st<strong>ro</strong>ng>formatii pe care dorim sa le afisam<br />
(DataSet, DataTable sau colectii).<br />
Cand se apeleaza DataB<st<strong>ro</strong>ng>in</st<strong>ro</strong>ng>d() lista va fi completata cu obiecte d<st<strong>ro</strong>ng>in</st<strong>ro</strong>ng> acea colectie.<br />
DataMember – se foloseste impreuna cu asocierea de date, cand sursa de date cont<st<strong>ro</strong>ng>in</st<strong>ro</strong>ng>e mai<br />
mult de o tabela. DataMember <st<strong>ro</strong>ng>in</st<strong>ro</strong>ng>dica ce tabela se va folosi.<br />
DataTextField – <st<strong>ro</strong>ng>in</st<strong>ro</strong>ng>dica ce p<strong>ro</strong>prietate sau camp d<st<strong>ro</strong>ng>in</st<strong>ro</strong>ng> sursa de date va fi folosit ca text<br />
pentru articol.<br />
DataValueField – <st<strong>ro</strong>ng>in</st<strong>ro</strong>ng>dica ce p<strong>ro</strong>prietate sau camp va fi folosit ca valoare pentru articol (nu e afisat<br />
dar poate fi citit <st<strong>ro</strong>ng>in</st<strong>ro</strong>ng> cod).<br />
DataTextFormatStr<st<strong>ro</strong>ng>in</st<strong>ro</strong>ng>g – seteaza formatarea str<st<strong>ro</strong>ng>in</st<strong>ro</strong>ng>gului folosit pentru redarea articolului.<br />
Eveniment: SelectedIndexChanged – la schimbarea selectiei.<br />
<st<strong>ro</strong>ng>Cont<strong>ro</strong>ale</st<strong>ro</strong>ng>le de tip List selectabile sunt:<br />
D<strong>ro</strong>pDownList<br />
ListBox<br />
CheckBoxList<br />
RadioButtonList.<br />
Exemplu<br />
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<br />
<br />
Option 1<br />
Option 2<br />
<br />
<br />
<br />
Option 1<br />
Option 2<br />
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Ioan Asim<st<strong>ro</strong>ng>in</st<strong>ro</strong>ng>oaei