web 点击按钮，根据点击确认进行下一步操作

<script type="text/javascript">
var mes;
function iscon(mes)
{
if(confirm(mes))
{
document.getElementById('btnhidConfirm').click();
}
}
</script>

<asp:Button ID="btnConfirm" runat="server" Text="确定此工单抛料维护完成" CssClass="button_green" OnClick="btnConfirm_Click" Width="157px" />
<asp:Button ID="btnhidConfirm" runat="server" Text="确定" CssClass="button_green" OnClick="btnhidConfirm_Click" Style="display: none" />

protected void btnConfirm_Click(object sender, EventArgs e)
{
this.Page.ClientScript.RegisterStartupScript(this.GetType(), "message", "<script>iscon('" + "你确定此工单抛料数据已经维护完了吗，点确定后将不允许再修改" + "');</script>");
}

protected void btnhidConfirm_Click(object sender, EventArgs e)
{

//下一步的操作

}