Call Client Side JavaScript function() from Server Side

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Dear All,
How to call a client side javascript function from server side.
Please help.
I am waiting.. ..I want to call dTime() from Server side on (Page_Load(object sender, EventArgs e).
Example:

XML

<script language="javascript" type="text/javascript">
    function dTime() {

        var d = new Date();

        var h = d.getHours();

        var m = d.getMinutes();

        var s = d.getSeconds();



        //add a zero in front of numbers < 10

        m = checkTime(m);

        s = checkTime(s);


        document.getElementById('txt').innerHTML = h + ":" + m + ":" + s;
        t = setTimeout('dTime()', 500);
    }

    function checkTime(i) {

        if (i < 10) {

            i = "0" + i;

        }
        return i;
    }

</script>

XML

<tr>
        <div id="txt">
         </div>

       <td>

         <form action="#">

        </form>

    </td>
    </tr>

Thanks,
Emon Mahmud

Posted 18-Oct-11 1:13am

Emon Mahmud

Updated 18-Oct-11 2:05am

v3

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Comments

BobJanova 18-Oct-11 8:14am

Just a note regarding the (correct) solutions below, and your terminology: You are not actually calling the JS method from the server. You are merely putting it in the output stream so that the browser executes it. You can't, for example, get a result from a method or see the server state from within the JS.

6 solutions

Solution 4

check below

we have 2 java scrpt functions here
1) MaskMoney
2) ValidateQAPTTHours

C#

txtQAHExpLv2To.Attributes.Add("onKeypress", "return MaskMoney(event)");
            txtMTHFTHours.Attributes.Add("onblur", "ValidateMTFTHours();");
            txtMTHPTHours.Attributes.Add("onblur", "ValidateMTPTTHours();");
            txtMTHICHours.Attributes.Add("onblur", "ValidateMTTotHours();");
            txtQAHFTHours.Attributes.Add("onblur", "ValidateQAFTHours();");
            txtQAHPTHours.Attributes.Add("onblur", "ValidateQAPTTHours();");
            txtQAHICHours.Attributes.Add("onblur", "ValidateQATotHours();");

Posted 18-Oct-11 1:55am

kishorekke

Solution 5

Call this function in the body load itself

<body onload="dtime()"></body>

Posted 18-Oct-11 2:06am

sabbi26

Solution 6

thnks for the answer, i used it

Posted 29-Jan-12 3:54am

andy yahya

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P.Salini · Accepted Answer · 2011-10-18T01:18:00

use this

C#

Page.RegisterStartupScript("page", "<script language='javascript'>dTime()</script>");

in place of page.RegisterStartupScript you can also use ClientScript.RegisterClientScriptBlock

if you are using update panel in your aspx page then use

ScriptManager.RegisterClientScriptBlock
for scriptmanager see this[^]

Nicholas Butler · Accepted Answer · 2011-10-18T01:20:00

Solution 2

You can use: MSDN:ClientScriptManager.RegisterClientScriptBlock Method[^]

This adds your script to the HTML sent to the client and will be executed on the client.

Posted 18-Oct-11 1:20am

Nicholas Butler

Muralikrishna8811 · Accepted Answer · 2011-10-18T01:27:00

Solution 3

Hi,

you can try this for your requirement

HTML

<body onload="dTime()">

by using this you can activate it on pageload from client side also

All the Best

Posted 18-Oct-11 1:27am

Muralikrishna8811