不让DropDownList刷新页面，但OnSelectedIndexChanged事件需要触发，怎样实现

xibeipingyuan 2012-04-13 05:20:51

<asp:DropDownList ID="DDL_Type" runat="server" AutoPostBack="true" OnSelectedIndexChanged="DDL_Type_SelectedIndexChanged">
</asp:DropDownList>

protected void DDL_Type_SelectedIndexChanged(object sender, EventArgs e)
{

if (Convert.ToInt32(this.DDL_Type.SelectedValue) > 0)
{
TProductType type = new TProductType("");
this.DDL_DetaiType.DataSource = type.GetList1(Convert.ToInt16(this.DDL_Type.SelectedValue));
this.DDL_DetaiType.DataValueField = "FID";
this.DDL_DetaiType.DataTextField = "FTypeName";
this.DDL_DetaiType.DataBind();
UpdatePanelNewPerAssetReg.Update();

}
}

不让dropdownlist刷新页面，但是OnSelectedIndexChanged还要触发，怎样实现，请大家帮帮忙

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facelessvoidhj 2012-04-13

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<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>

<asp:UpdatePanel ID="" runat="">
<ContentTemplate>
<asp:DropDownList ID="DDL_Type" runat="server"AutoPostBack="true"OnSelectedIndexChanged="DDL_Type_SelectedIndexChanged">
</asp:DropDownList>
</ContentTemplate>
</asp:UpdatePanel>

xibeipingyuan 2012-04-13