用一个隐藏域存储confirm返回的值,然后到后台获取。下面把我的做法告诉大家,详细一点:后台:protected void Page_Load(object sender, EventArgs e) { Button1.Attributes.Add(”onclick", "al()"); } protected void Button1_Click(object sender, EventArgs e){ Label1.Text = Hidden1.Value;//测试值的变化 if (Convert.ToBoolean(Hidden1.Value
== "true") //获取隐藏域值,转换为bool类型 Page.RegisterStartupScript("01", ""); else Page.RegisterStartupScript("02", "");}前台: function al(){ if( confirm("传递一个bool值")) document.getElementById("Hidden1").value="true"; //return "true"; else
document.getElementById("Hidden1").value="false"; //return "false;"}