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How to: Save a Dashboard State to Cookies and Restore this State on the Server Side (Web Forms)

  • 2 min to read

The sample illustrates how to save the current ASPxDashboard state (such as master filter or parameter values) to cookies on the client side and restore this state on the server side. The following API is used in this example:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" 
    Inherits="WebDashboard_DashboardStateCookies.Default" %>

<%@ Register Assembly="DevExpress.Dashboard.v17.1.Web, Version=, Culture=neutral, PublicKeyToken=b88d1754d700e49a" 
    Namespace="DevExpress.DashboardWeb" TagPrefix="dx" %>

<!DOCTYPE html>

<html xmlns="">
<head runat="server">
    <form id="form1" runat="server">
    <div style="position:absolute; left:0; right:0; top:0; bottom:0;">
        <dx:ASPxDashboard ID="ASPxDashboard1" runat="server" 
            Height="100%" Width="100%" OnSetInitialDashboardState="ASPxDashboard1_SetInitialDashboardState">
            <ClientSideEvents DashboardStateChanged="
                function(s, e) {
                var cookies = e.DashboardState;
                ASPxClientUtils.SetCookie('ASPxDashboardState', cookies);