需要這個, 到網找了某先生的腳本改了改

static?public?string?DropDownListSelectChangeConfirmScript(string?dropDownListId,string?message)
{
????string?script?=?"?<script>?\n"
????????+"?var?fooIndex;?\n"
????????+"?function?saveIndexes()?\n"
????????+"?{?\n"
????????+"????fooIndex?=?document.all['"+dropDownListId+"'].selectedIndex;?\n"
????????+"?}?\n"
????????+"?function?resetIndexes()?\n"
????????+"?{?\n"
????????+"????document.all['"+dropDownListId+"'].selectedIndex?=?fooIndex;?\n"
????????+"?}?\n"
????????+"?function?areYouSure()?\n"
????????+"?{?\n"
????????+"????if(?!confirm('"+message+"'))?\n"
????????+"????{?\n"
????????+"??????resetIndexes();?\n"
????????+"??????return?false;?\n"
????????+"????}?\n"
????????+"????else?\n"
????????+"????{?\n"
????????+"??????document.all['"+dropDownListId+"'].detachEvent('onchange',?areYouSure);?\n"
????????+"??????return?true;?\n"
????????+"????}?\n"
????????+"?}?\n"
????????+"?saveIndexes();?\n"
????????+"?document.all['"+dropDownListId+"'].attachEvent('onchange',?areYouSure);?"
????????+"</script>\n";
????return?script;
}
private?void?RegisterClientScript(string?dropDownListClientId)
{
????string?script?=?DropDownListSelectChangeConfirmScript(
????????dropDownListClientId,
????????"Are?you?sure?"
????????);
????if(!IsStartupScriptRegistered("startup"))
????{
????????RegisterStartupScript("startup",script);
????}

}

轉載于:https://www.cnblogs.com/z_true/archive/2005/12/07/292562.html

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