大佬们帮帮忙，怎样用js调用服务器控件DropDownList的change方法

Question

怎样用js调用服务器控件DropDownList的SelectedIndexChanged方法

//web窗体后台.cs的ddlCategoryId控件的change方法
protected void ddlCategoryId_SelectedIndexChanged(object sender, EventArgs e)
{
Response.Redirect(Utils.CombUrlTxt("list.aspx", "channel_id={0}&category_id={1}&keywords={2}&property={3}",
this.channel_id.ToString(), ddlCategoryId.SelectedValue, this.keywords, this.property));
}

Answer 1

直接用jquery
$("你下拉的id").val("选择项的文本");