Saturday, 22 March 2014

access viewstate using javascript

What is View state ?
It is important and useful client side state management mechanism. It can store the page value at the time of post back. ASP.NET provides the ViewState property is built-in structure which automatically storing data between multiple requests for the same page.

Defining View State:
Retrieving information from View State
string Test=ViewState["TestVal"];

But to accessing the viewstate from client side code, access view state from javascript.

@Code snippet to access View State

<script language="javascript" type="text/javascript">
        var GetValue = document.getElementById("GetValue");

@Code in server side
ViewState["value"] = "Test View State";
            Page.ClientScript.RegisterHiddenField("GetValue", Convert.ToString(ViewState["value"]));

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