html code <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>无标题页</title> </head> <body> <form id="form1" runat="server"> <div> <asp:Button ID="btnCallBack" runat="server" Text="回发并弹出confirm" OnClick="btnCallBack_Click" /> <asp:Button ID="btnHid" runat="server" OnClick="btnHid_Click" Width="0px" /> <asp:HiddenField ID="hid" runat="server" /> </div> </form> </body> </html>
后台：
protected void btnCallBack_Click(object sender, EventArgs e) { //do sth string js = string.Format("document.getElementById('{0}').value=confirm('是否确认?');document.getElementById('{1}').click();", hid.ClientID,btnHid.ClientID); ClientScript.RegisterStartupScript(GetType(), "confirm", js, true); } protected void btnHid_Click(object sender, EventArgs e) { string result = hid.Value.ToLower() == "true" ? "是" : "否"; Response.Write(string.Format("您选择的是{0}",result)); }