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    Save/Load RadFilter expressions


    OrderIDOrderDateShipCityShipCountryShipName
    12345678910...
    Page size:
     757 items in 76 pages
    1032110/3/1996 12:00:00 AMCowesUKIsland Trading
    1032310/7/1996 12:00:00 AMBrandenburgGermanyKöniglich Essen
    1032410/8/1996 12:00:00 AMBoiseUSASave-a-lot Markets
    1032510/9/1996 12:00:00 AMBrandenburgGermanyKöniglich Essen
    1032610/10/1996 12:00:00 AMMadridSpainBólido Comidas preparadas
    1032810/14/1996 12:00:00 AMLisboaPortugalFuria Bacalhau e Frutos do Mar
    1033010/16/1996 12:00:00 AMBarquisimetoVenezuelaLILA-Supermercado
    1033110/16/1996 12:00:00 AMMarseilleFranceBon app'
    1033210/17/1996 12:00:00 AMMontréalCanadaMère Paillarde
    1033310/18/1996 12:00:00 AMOuluFinlandWartian Herkku

    This example demonstrates how to save/load RadFilter expressions by user. RadFilter public API offers two methods to achieve this functionality:

    • SaveSettings: Serialize the control expressions to Base64 encoded string.
    • LoadSettings: Loads the provided state in the control. The parameter for this method must be Base64 encoded string representing saved control expressions.
    • Load last settings on initial load: Loads the last set settings if you navigate away from the page and the come back.
    • DefaultVB.aspx
    • DefaultVB.aspx.vb
    <%@ Page Language="VB" AutoEventWireup="false" CodeFile="DefaultVB.aspx.vb" Inherits="Telerik.FilterExamplesVB.SaveLoadExpressions.DefaultVB"  %>
     
    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <!DOCTYPE html>
    <html xmlns='http://www.w3.org/1999/xhtml'>
    <head runat="server">
        <title>Telerik ASP.NET Example</title>
        <style type="text/css">
            div.container
            {
                margin-bottom: 20px;
            }
        </style>
    </head>
    <body>
        <form id="form1" runat="server">
        <telerik:RadScriptManager runat="server" ID="RadScriptManager1" />
        <telerik:RadSkinManager ID="RadSkinManager1" runat="server" ShowChooser="true" />
        <telerik:RadFormDecorator ID="RadFormDecorator1" runat="server" DecoratedControls="CheckBoxes" />
        <telerik:RadAjaxPanel runat="server" ID="RadAjaxPanel1" LoadingPanelID="LoadingPanel1" CssClass="demo-container">
            <div class="container">
                <telerik:RadPushButton Text="Save Settings" runat="server" ID="SaveSettings"></telerik:RadPushButton>
                <telerik:RadPushButton Text="Load Settings" runat="server" ID="LoadSettings"></telerik:RadPushButton>
                <asp:CheckBox runat="server" ID="CheckBox1" AutoPostBack="true" Text="Load last settings on initial load" />
            </div>
            <telerik:RadFilter RenderMode="Lightweight" runat="server" ID="RadFilter1" FilterContainerID="RadGrid1">
            </telerik:RadFilter>
            <br />
            <telerik:RadGrid RenderMode="Lightweight" runat="server" ID="RadGrid1" AutoGenerateColumns="false" AllowPaging="true" AllowSorting="true" DataSourceID="SqlDataSource1">
                <MasterTableView>
                    <Columns>
                        <telerik:GridBoundColumn DataField="OrderID" HeaderText="OrderID" DataType="System.Int32">
                        </telerik:GridBoundColumn>
                        <telerik:GridDateTimeColumn DataField="OrderDate" HeaderText="OrderDate">
                        </telerik:GridDateTimeColumn>
                        <telerik:GridBoundColumn DataField="ShipCity" HeaderText="ShipCity">
                        </telerik:GridBoundColumn>
                        <telerik:GridBoundColumn DataField="ShipCountry" HeaderText="ShipCountry">
                        </telerik:GridBoundColumn>
                        <telerik:GridBoundColumn DataField="ShipName" HeaderText="ShipName">
                        </telerik:GridBoundColumn>
                    </Columns>
                </MasterTableView>
            </telerik:RadGrid>
        </telerik:RadAjaxPanel>
        <telerik:RadAjaxLoadingPanel runat="server" ID="LoadingPanel1">
        </telerik:RadAjaxLoadingPanel>
        <asp:SqlDataSource runat="server" ID="SqlDataSource1" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>" SelectCommand="Select OrderID, OrderDate, ShipVia, ShipName, ShipAddress, ShipCity, ShipCountry FROM Orders"></asp:SqlDataSource>
        </form>
    </body>
    </html>

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