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C# Page.ClientScript.RegisterStartupScript不工作_C#_Javascript_Asp.net_Webforms - Fatal编程技术网

C# Page.ClientScript.RegisterStartupScript不工作

C# Page.ClientScript.RegisterStartupScript不工作,c#,javascript,asp.net,webforms,C#,Javascript,Asp.net,Webforms,我已经在站点母版页上编写了Java脚本。但是,当我调用Javascirpts时,它不起作用。有人能帮我弄清楚吗?多谢各位 下面是站点母版页中的Javascript I代码 <head id="Head1" runat="server"> <title></title> <link href="~/Styles/Site.css" rel="stylesheet" type="text/css" /> <link rel="stylesheet

我已经在站点母版页上编写了Java脚本。但是,当我调用Javascirpts时,它不起作用。有人能帮我弄清楚吗?多谢各位

下面是站点母版页中的Javascript I代码

<head id="Head1" runat="server">
<title></title>
<link href="~/Styles/Site.css" rel="stylesheet" type="text/css" />
<link rel="stylesheet" href="/Styles/jquery-ui-1.9.2.custom.min.css" />
<script type="text/javascript" src="/Scripts/jquery-1.8.3.js"></script>
<script type="text/javascript" src="/Scripts/jquery-ui-1.9.2.custom.min.js"></script>

<script type="text/javascript">
    function dialog(text) {
        $("#text").text(text);
        $("#dialog-message").dialog
        ({
            buttons: {
                close: function () { $(this).dialog("close"); }
            }
        });
    };

    function dialogWithRedirect(text, url) {
        $("#text").text(text);
        $("#dialog-message").dialog
    ({
        buttons: {
            close: function () { location.href = url; $(this).dialog("close"); }
        }
    });
    };

    var confirmed = false;
    function confirmDialog(obj, text) {
        if (!confirmed) {
            $("#text").text(text);
            $("#dialog-message").dialog({

                buttons: {
                    "Confirm": function () {
                        $(this).dialog("close");
                        confirmed = true;
                        obj.click();
                    },
                    "Cancel": function () {
                        $(this).dialog("close");
                    }
                }
            });
        }
        return confirmed;
    };
</script>

<asp:ContentPlaceHolder ID="HeadContent" runat="server">
</asp:ContentPlaceHolder>

函数对话框(文本){
$(“#文本”)。文本(文本);
$(“#对话框消息”).dialog
({
按钮:{
关闭:函数(){$(this).dialog(“close”);}
}
});
};
函数对话框WithRedirect(文本、url){
$(“#文本”)。文本(文本);
$(“#对话框消息”).dialog
({
按钮:{
关闭:函数(){location.href=url;$(this).dialog(“close”);}
}
});
};
var确认=错误;
功能确认对话框(obj,文本){
如果(!已确认){
$(“#文本”)。文本(文本);
$(“#对话框消息”).dialog({
按钮:{
“确认”:功能(){
$(此).dialog(“关闭”);
确认=正确;
obj.click();
},
“取消”:函数(){
$(此).dialog(“关闭”);
}
}
});
}
返回确认;
};

这就是我如何称呼Javascripts的

protected void ImageButtonOK_Click(object sender, ImageClickEventArgs e)
    {
        if (tbFirstName.Text != "" && tbLastName.Text != "" && tbNickName.Text != "" && tbUsername.Text != "" && tbPassword.Text != "" && tbConfirmPassword.Text != "")
        {
            if (validateUsername())
            {

                Database database = new Database();
                string sql = "INSERT INTO users " +
                             "           (user_id " +
                             "           ,first_name " +
                             "           ,last_name " +
                             "           ,nickname " +
                             "           ,image " +
                             "           ,username " +
                             "           ,password) " +
                             "     VALUES " +
                             "           (" + user_id + " " +
                             "           ,'" + tbFirstName.Text + "' " +
                             "           ,'" + tbLastName.Text + "' " +
                             "           ,'" + tbNickName.Text + "' " +
                             "           ,'" + pictureFile + "' " +
                             "           ,'" + tbUsername.Text + "' " +
                             "           ,'" + tbPassword.Text + "')";
                database.executeNonQuery(sql);
                database.close();

                Page.ClientScript.RegisterStartupScript(typeof(Page), "print", "<script type='text/javascript'> dialogWithRedirect('Save complete','user.aspx');</script>");

            }

        }
        else
        {
            Page.ClientScript.RegisterStartupScript(typeof(Page), "print", "<script type='text/javascript'> dialog('Please fill all required data');</script>");

        }
    }
protectedvoid ImageButtonOK_单击(对象发送者,ImageClickEventArgs e)
{
if(tbFirstName.Text!=“”&&tbLastName.Text!=“”&&tb昵称.Text!=“”&&tbUsername.Text!=“”&&tbPassword.Text!=“”&&tbConfirmPassword.Text!=“”)
{
if(validateUsername())
{
数据库=新数据库();
string sql=“插入用户”+
“(用户id”+
,名字+
,姓+
,昵称+
“,图像”+
,用户名+
“,密码)”+
“价值观”+
(“+用户id+”)+
“,”+tbFirstName.Text+“”+
“,”+tbLastName.Text+“”+
“,”+TB昵称.Text+“”+
“,”+pictureFile+“”+
“,”+tbUsername.Text+“”+
“,”+tbPassword.Text+“)”;
数据库.executeNonQuery(sql);
close()数据库;
Page.ClientScript.RegisterStartupScript(typeof(Page),“print”,“dialogWithRedirect('Save complete','user.aspx');”;
}
}
其他的
{
Page.ClientScript.RegisterStartupScript(typeof(Page),“打印”,“对话框('请填写所有必需的数据');”;
}
}

我怀疑问题在于,在定义函数
dialogWithRedirect
dialog
之前,在代码隐藏中注册的脚本块被插入到页面中。要确保调用这些函数时已定义这些函数,请将调用包装到load回调中:

Page.ClientScript.RegisterStartupScript(typeof(Page),
                                        "print",
                                        "<script type='text/javascript'> $(function() { dialog('Please fill all required data'); });</script>");
Page.ClientScript.RegisterStartupScript(typeof(Page),
“打印”,
“$(function(){dialog('请填写所有必需的数据';});”;

或者您可以使用以下代码

String PopUp="<script type='text/javascript'>"+"alert('Please fill all required data')"+"</script>");
Page.RegisterStartupScript("PopScript",Popup);
String PopUp=“”+”警报('请填写所有必需的数据')“+”;
Page.RegisterStartupScript(“PopScript”,弹出窗口);

我希望这会对你有所帮助。

页面。RegisterStartupScript
是从.NET 2.0开始的。