不过期的

 ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('编辑成功！');</script>");

//不影响css 后台
Page.RegisterStartupScript("alert", "<script language='javascript'> alert('添加成功！')</script>");

ClientScript.RegisterStartupScript(this.GetType(), "alert", alert);

 

string alert = "alert('此贴已锁定,不得回复!')";
this.ClientScript.RegisterStartupScript(this.GetType(), "SuccessAlert", alert, true);

//OnClientClick方法 前台
OnClientClick='return confirm("确实要删除吗？");'

<asp:LinkButton ID="btn_top" runat="server" OnClick="btn_top_Click" OnClientClick='return confirm("是否将此贴“置顶”？");' Visible="False">[置顶]</asp:LinkButton>

string alert = "alert('此贴已锁定,不得回复!')";
this.ClientScript.RegisterStartupScript(this.GetType(), "SuccessAlert", alert, true);

//弹出警告+跳转页面 后台
Response.Write("<script language=javascript>alert('回帖成功!');window.location='communityDetail.aspx?fid=" + fid + "&sid=" + subjectid + "'</script>");//重新载入页面去掉按钮

//弹出警告+关闭 后台
  Response.Write("<script language=javascript>alert('只有管理员才能进行此操作!');window.close()</script>");//重新载入页面去掉按钮

//写在CS里的：
Page_Load   代码中  后台
你Button控件的ID.Attributes.Add("OnClick",   "return   confirm('确定吗?');");

this.ImageButton1.Attributes.Add("OnClick", "return confirm('确实转移此贴?');");

//javascript 前台
    <script type="text/javascript" language="javascript">
     function firm(objPid,objSid)
     {
        if(confirm("确实删除此回帖？"))
        {
            location.href="deletePost.aspx?pid=" + objPid + "&sid=" + objSid;//传递到另一页处理再返回
        }
    }
    </script>

<a href=/"#/" οnclick=/"firm(" + pid + "," + Request.QueryString["sid"].ToString() + ")/">[删帖]</a>

 

//在DataGride
((LinkButton)(e.Row.Cells[7].FindControl("lbtnDelete"))).Attributes.Add("onclick", "return confirm('确定要删除吗？')");

========================================================================
    <script type="text/javascript" language="javascript">
    function delTm(tm_id)
    {
        if(confirm("确定删除该题目？"))
        {
            window.location = "timuDel_ajax.aspx?timu_id="+tm_id;
        }
    }   
    </script>

<input type="button" id='del_tm_<%#Eval("timu_id") %>' οnclick='delTm(<%#Eval("timu_id") %>)' value="删除" title="删除题目" />

==========================================================================

<asp:Button ID="btn_del" runat="server" Text="删除" ToolTip="删除题目" OnClientClick="return confirm('确实删除吗？')" CommandName="del_tm" />

<asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" CommandName="Delete"Text="删除" CommandArgument='<%#Eval("daan_id") %>'  OnClientClick="return confirm('确实删除？')">
</asp:LinkButton>

 

Response.Write("<script language='javascript'>if(confirm('添加推荐成功！是否继续添加？')){location.href='timuAdd.aspx?wenjuan_id=" + Request.QueryString["wenjuan_id"] + "';}else{location.href='wenjuanList.aspx';}</script>");

OnClientClick="return confirm('确实删除吗？')"

Response.Write("<script language='javascript'>if(confirm('添加问卷成功！是否继续添加题目？')){location.href='timuAdd.aspx?wenjuan_id=" + Request.QueryString["wenjuan_id"] + "';}else{location.href='wenjuanList.aspx';}</script>");