dropdownlist在前台用了这个方法,在后台改变selectIndex不触发前台事件,怎么办?
onChange="Show(this.value)" <asp:DropDownList ID="ddlType" onChange="Show(this.value)" runat="server" CssClass="txt"
AutoPostBack="false">
<asp:ListItem Value="1">大专</asp:ListItem>
<asp:ListItem Value="2">本科</asp:ListItem>
<asp:ListItem Value="3">博士</asp:ListItem>
</asp:DropDownList>
function Show(value) {
alert(value);
if (value == "1") {
document.getElementById("1").style.display = "block";
document.getElementById("2").style.display = "none";
document.getElementById("3").style.display = "none";
}
if (value == "2") {
document.getElementById("1").style.display = "none";
document.getElementById("2").style.display = "block";
document.getElementById("3").style.display = "none";
}
if (value == "3") {
document.getElementById("1").style.display = "none";
document.getElementById("2").style.display = "none";
document.getElementById("3").style.display = "block";
}
}
后台
if(!ispostback) ddlType.SelectedIndex =Object.value; 分不多了,麻烦大家帮我看看,谢谢