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How to disable persistence from JavaScript?

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148167 Oct 8,2019 08:47 PM UTC Oct 9,2019 12:28 PM UTC ASP.NET Core - EJ 2 1
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Tags: DataGrid
adgr
Asked On October 8, 2019 08:47 PM UTC

How can I disable persistence in grid (or other control) from JavaScript?
I have a button with onclick event, in which I want to disable persistence and refresh page.
My current code:
function btnClick()
{
window.localStorage.setItem("gridMyGrid","");
location.rel='nofollow' href = "/Card/List";
}
I clear localstorage for grid control, but after page reload localstorage is set again (because grid control set persistence data in unload event).
So maybe I need to disable persistence in grid control before page reload. But how?
I tried:
var ej2Obj = document.getElementById('MyGrid').ej2_instances[0];
ej2Obj.persistence = false;
(also ej2Obj.enablePersistence = false;)
but it didn't work.

Seeni Sakthi Kumar Seeni Raj [Syncfusion]
Replied On October 9, 2019 12:28 PM UTC

Hi Adgr, 
 
Based on your query, we can understand that you wish to clear the Grid’s persisted data from local storage while refreshing the page through button click event. You can achieve this requirement by destroying the grid after disabling the enablePersistence property and clearing the local storage data. This is demonstrated in the below code snippet, 
 
// Button click function 
function OnClick() { 
            var gridObj = document.getElementById("Grid").ej2_instances[0]; 
            gridObj.enablePersistence = false; 
            window.localStorage.setItem("gridGrid", ""); 
            gridObj.destroy(); 
            location.reload(); 
} 
 
We have prepared a sample based on this for your reference. You can find it below, 
 
 
Regards,  
Seeni Sakthi Kumar S 


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