Using c# string property inside a javascript in asp.net

Question

I have the following JavaScript and i need to set the "file" to some string from the c# code.

how can i do that ?

<script type="text/javascript">

    jwplayer("myElement").setup({
        file: "rtmp://localhost/someFolder/ + VideoFile/,
        height: 240,
        image: "/assets/myVideo.jpg",
        rtmp: {
            bufferlength: 0.1
        },
        width: 280
    });

</script>

c#

String VideoFile = "Some video file link"; // example Video01.flv

So, the result will be:

file: "rtmp://localhost/someFolder/Video01.flv/,

Thanks for the helpers.

possible duplicate of Access property setting value in .aspx file — J0e3gan
– J0e3gan, Commented Jun 6, 2014 at 18:14

Rashmin Javiya · Accepted Answer · 2014-06-06 18:00:50Z

3

Create property and set the value at the page load time and access the same in aspx file

Code behind

public string VideoFile { get; set; }

public void Page_Load(object sender, EventArgs e)
{
    VideoFile = "Video01.flv";
}

Aspx

jwplayer("myElement").setup({
    file: "rtmp://localhost/someFolder/<%= VideoFile %>",
    height: 240,
    image: "/assets/myVideo.jpg",
    rtmp: {
        bufferlength: 0.1
    },
    width: 280
});

answered Jun 6, 2014 at 18:00

Rashmin Javiya

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Comments

mason · Accepted Answer · 2014-06-06 18:07:17Z

Create a public property on your code behind. Notice it has to be public in order to be seen by the markup page. Let's initialize it in page load.

Code Behind

public string VideoFile {get; set;}

protected void Page_Load(object sender, EventArgs e)
{
    VideoFile="myfile.mp4";
}

Then change your script so that you embed the property inline.

Markup

<script type="text/javascript">
                    jwplayer("myElement").setup({
                        file: "rtmp://localhost/someFolder/<%= VideoFile %>",
                        height: 240,
                        image: "/assets/myVideo.jpg",
                        rtmp: {
                            bufferlength: 0.1
                        },
                        width: 280
                    });
                </script>

For more info about inline server tags, see this blog post.

jasonwarford · Accepted Answer · 2014-06-06 18:17:42Z

1

You can set the value in the code behind and use it in the markup like this:

<%= MyUrlVariable %>

edited Jun 6, 2014 at 18:17

answered Jun 6, 2014 at 18:01

jasonwarford

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1 Comment

mason Over a year ago

Why the extra % sign?

Community · Accepted Answer · 2017-05-23 12:05:08Z

1

You can use the .NET string property's value in the markup as follows:

<script type="text/javascript">

    jwplayer("myElement").setup({
        file: "rtmp://localhost/someFolder/<%= this.VideoFile %>",
        height: 240,
        image: "/assets/myVideo.jpg",
        rtmp: {
            bufferlength: 0.1
        },
        width: 280
    });

</script>

A related SO question speaks to using .NET class properties in markup more generally.

edited May 23, 2017 at 12:05

CommunityBot

11 silver badge

answered Jun 6, 2014 at 18:08

J0e3gan

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