[CLOSED] State restore listener not fired ?

  1. #1

    [CLOSED] State restore listener not fired ?

    I have a problem with 'saving' the current state, so I trie to figure out what's happening.
    Why is the staterestore listener never fired ? (well..at my own pc it isn't)
    The statesave event is triggered without problems.

    <%@ Page Language="C#" %>
    
    
    <%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
    
    
    <script runat="server">
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!X.IsAjaxRequest)
            {
                this.Store1.DataSource = this.Data;
                this.Store1.DataBind();
            }
        }
    
    
        private object[] Data
        {
            get
            {
                return new object[]
                {
                    new object[] { "3m Co", 71.72, 0.02, 0.03, "9/1 12:00am" },
                    new object[] { "Alcoa Inc", 29.01, 0.42, 1.47, "9/1 12:00am" },
                    new object[] { "Altria Group Inc", 83.81, 0.28, 0.34, "9/1 12:00am" },
                    new object[] { "American Express Company", 52.55, 0.01, 0.02, "9/1 12:00am" },
                    new object[] { "American International Group, Inc.", 64.13, 0.31, 0.49, "9/1 12:00am" },
                    new object[] { "AT&T Inc.", 31.61, -0.48, -1.54, "9/1 12:00am" },
                    new object[] { "Boeing Co.", 75.43, 0.53, 0.71, "9/1 12:00am" },
                    new object[] { "Caterpillar Inc.", 67.27, 0.92, 1.39, "9/1 12:00am" },
                    new object[] { "Citigroup, Inc.", 49.37, 0.02, 0.04, "9/1 12:00am" },
                    new object[] { "E.I. du Pont de Nemours and Company", 40.48, 0.51, 1.28, "9/1 12:00am" },
                    new object[] { "Exxon Mobil Corp", 68.1, -0.43, -0.64, "9/1 12:00am" },
                    new object[] { "General Electric Company", 34.14, -0.08, -0.23, "9/1 12:00am" },
                    new object[] { "General Motors Corporation", 30.27, 1.09, 3.74, "9/1 12:00am" },
                    new object[] { "Hewlett-Packard Co.", 36.53, -0.03, -0.08, "9/1 12:00am" },
                    new object[] { "Honeywell Intl Inc", 38.77, 0.05, 0.13, "9/1 12:00am" },
                    new object[] { "Intel Corporation", 19.88, 0.31, 1.58, "9/1 12:00am" },
                    new object[] { "International Business Machines", 81.41, 0.44, 0.54, "9/1 12:00am" },
                    new object[] { "Johnson & Johnson", 64.72, 0.06, 0.09, "9/1 12:00am" },
                    new object[] { "JP Morgan & Chase & Co", 45.73, 0.07, 0.15, "9/1 12:00am" },
                    new object[] { "McDonald\"s Corporation", 36.76, 0.86, 2.40, "9/1 12:00am" },
                    new object[] { "Merck & Co., Inc.", 40.96, 0.41, 1.01, "9/1 12:00am" },
                    new object[] { "Microsoft Corporation", 25.84, 0.14, 0.54, "9/1 12:00am" },
                    new object[] { "Pfizer Inc", 27.96, 0.4, 1.45, "9/1 12:00am" },
                    new object[] { "The Coca-Cola Company", 45.07, 0.26, 0.58, "9/1 12:00am" },
                    new object[] { "The Home Depot, Inc.", 34.64, 0.35, 1.02, "9/1 12:00am" },
                    new object[] { "The Procter & Gamble Company", 61.91, 0.01, 0.02, "9/1 12:00am" },
                    new object[] { "United Technologies Corporation", 63.26, 0.55, 0.88, "9/1 12:00am" },
                    new object[] { "Verizon Communications", 35.57, 0.39, 1.11, "9/1 12:00am" },
                    new object[] { "Wal-Mart Stores, Inc.", 45.45, 0.73, 1.63, "9/1 12:00am" }
                };
            }
        }
    </script>
    
    
    <!DOCTYPE html>
    
    
    <html>
    <head id="Head1" runat="server">
        <title>Simple Array Grid - Ext.NET Examples</title>
        <link href="/resources/css/examples.css" rel="stylesheet" />    
    
    
        <style>
            .x-grid-row-over .x-grid-cell-inner {
                font-weight : bold;
            }
        </style>
    
    
        <script>
            var template = '<span style="color:{0};">{1}</span>';
    
    
            var change = function (value) {
                return Ext.String.format(template, (value > 0) ? "green" : "red", value);
            };
    
    
            var pctChange = function (value) {
                return Ext.String.format(template, (value > 0) ? "green" : "red", value + "%");
            };
        </script>
    </head>
    <body>
        <ext:ResourceManager ID="ResourceManager1" runat="server" />
        
        <h1>Simple Array Grid</h1>
        
        <ext:GridPanel 
            ID="GridPanel1"
            runat="server" 
            Title="Array Grid" 
            Width="600" 
            Height="350" Stateful="true">
            <Store>
                <ext:Store ID="Store1" runat="server">
                    <Model>
                        <ext:Model ID="Model1" runat="server">
                            <Fields>
                                <ext:ModelField Name="company" />
                                <ext:ModelField Name="price" Type="Float" />
                                <ext:ModelField Name="change" Type="Float" />
                                <ext:ModelField Name="pctChange" Type="Float" />
                                <ext:ModelField Name="lastChange" Type="Date" DateFormat="M/d hh:mmtt" />
                            </Fields>
                        </ext:Model>
                    </Model>
                </ext:Store>
            </Store>
            <ColumnModel>
                <Columns>
                    <ext:Column ID="Column1" runat="server" Text="Company" DataIndex="company" Flex="1" />
                    <ext:Column ID="Column2" runat="server" Text="Price" DataIndex="price">                  
                        <Renderer Format="UsMoney" />
                    </ext:Column>
                    <ext:Column ID="Column3" runat="server" Text="Change" DataIndex="change">
                        <Renderer Fn="change" />
                    </ext:Column>
                    <ext:Column ID="Column4" runat="server" Text="Change" DataIndex="pctChange">
                        <Renderer Fn="pctChange" />
                    </ext:Column>
                    <ext:DateColumn ID="DateColumn1" runat="server" Text="Last Updated" DataIndex="lastChange" />
                </Columns>            
            </ColumnModel>       
            <SelectionModel>
                <ext:RowSelectionModel ID="RowSelectionModel1" runat="server" />
            </SelectionModel>
            <Listeners>
                <StateRestore Handler="alert('restore');"/>
                <StateSave Handler="alert('save')"/>
            </Listeners>
        </ext:GridPanel>
    </body>
    </html>
    Any idea ?

    Martin
    Last edited by Daniil; May 10, 2013 at 11:38 AM. Reason: [CLOSED]
  2. #2
    Hi Martin,

    You should set up some StateProvider.
    <ext:ResourceManager runat="server" StateProvider="Cookie" />
    By default, it is None.
  3. #3
    Quote Originally Posted by Daniil View Post
    Hi Martin,

    You should set up some StateProvider.
    <ext:ResourceManager runat="server" StateProvider="Cookie" />
    By default, it is None.
    Simple..thanks !

    But...why is the statesave listener still fired without setting the StateProvider ?

    Martin
  4. #4
    Well, due to the Stateful implementation.

    It saves a state to some default Provider (actually, to nowhere), so, it fires the StateSave event.

    But when it tries to restore a state retrieving it from that default Provider, but there is nothing, because the state was not really saved.

    Hope this helps:)
  5. #5
    Quote Originally Posted by Daniil View Post
    Well, due to the Stateful implementation.

    It saves a state to some default Provider (actually, to nowhere), so, it fires the StateSave event.

    But when it tries to restore a state retrieving it from that default Provider, but there is nothing, because the state was not really saved.

    Hope this helps:)
    Thanks for explaining it Daniil ! Have a nice weekend :)

    Martin

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