(untagged)

Stop/Change <meta> Tag Refresh in .NET or Alternative Way to Refresh the Page using JavaScript

Ankur Rawat

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20 Oct 2014

Alternative way to refresh the page using JavaScript and not using meta tag of HTML to refresh the page

Introduction

There is no appropriate solution to stop <meta> tag refresh attribute or change the time interval of refresh.

I am using the <meta> tag to refresh the Page in 5 minute time intervals.

<meta id="metaAutoRefresh" http-equiv="refresh" content="300">

Problem

I want to stop the meta tag refresh when I click the checkbox of grid.

Tried but does not work

I have tired so much to solve the problem but can’t. I have tried these lines of code in JavaScript:

Example 1

To remove the <meta> tag:

<script type="text/javascript">
function onClickCheckbox()
{
var mr = document.getElementById("metaAutoRefresh");
mr.parentNode.removeChild(mr);
}
</script>

Example 2

To change the refresh time interval of <meta> tag:

<script type="text/javascript">
function onClickCheckbox()
{
document.getElementById("metaAutoRefresh").setAttribute(&ldquo;content&rdquo;, &ldquo;7200&rdquo;); //1 hour
}
</script>

Or:

<script type="text/javascript">
function onClickCheckbox()
{
$("#metaAutoRefresh").prop(&ldquo;content&rdquo;, &ldquo;7200&rdquo;); //1 hour
}
</script>

I have tried the above code to solve the stop/change the <meta> tag refresh time interval, but I can’t.

Solution

You can do it with an alternative way using JavaScript.

Remove the code of <meta> tag (<meta id="metaAutoRefresh" http-equiv="refresh" content="300">) from page.

Write the JavaScript code in <head> section of page.

 <script src="~/Scripts/jquery-ui-1.10.3.js"></script>
        <script type="text/javascript">
                var vRefreshId = null;
                vRefreshId = setInterval("window.location.reload()", 5*60*1000); //5 min

                function stopRefresh() {
                    clearInterval(vRefreshId);
                }
                function startRefresh() {
                vRefreshId = setInterval("window.location.reload()", 5*60*1000);
                }
                function changeRefreshTime(vTimeInterval) {
                vRefreshId = setInterval("window.location.reload()", parseInt(vTimeInterval));
                }

               function onClickCheckbox()
                {
                                $('#gridClaim tr').each(function () {
                                     if($(this).closest('tr').find
                                     ("input[id='chkSelect']").is(':checked'))

                           {
                      stopRefresh();
                      return false;
                    }
                 });
                startRefresh();
              }
      </script>

gridClaim: Grid Id
chkSelect: Checkbox Id

Call onClickCheckbox function on click of checkbox.

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Stop/Change &lt;meta> Tag Refresh in .NET or Alternative Way to Refresh the Page using JavaScript