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Version Q2 2011 released 07/12/2011
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PanelBar / Validation Group

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Example Login Form
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  • You can assign a group name to a set of validators to ensure that validation occurs only for controls in the specified group. This enables you to have multiple separately-validated forms on a single page.

    You can use the ValidationGroup property when you want to perform separate validation tasks on the same page. In this example, the group name is assigned to all the validator controls and the button that causes the validation.

    By default, all validators are in the "" group (the default group) for backward compatibility.

    The page also exposes the GetValidators("group") and Validate("group") methods. Page.IsValid reflects the validity of all controls (cumulative) that have called the Validate method.

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page Language="vb" AutoEventWireup="true" CodeFile="DefaultVB.aspx.VB" Inherits="Telerik.Web.Examples.PanelBar.Functionality.Templates.DefaultVB" %>

    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <%@ Register TagPrefix="qsf" TagName="Header" Src="~/Common/Header.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="HeadTag" Src="~/Common/HeadTag.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="Footer" Src="~/Common/Footer.ascx" %>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <qsf:HeadTag ID="Headtag1" runat="server"></qsf:HeadTag>
        <link rel="stylesheet" href="styles.css" type="text/css" />
    </head>
    <body class="BODY">
        <form id="form1" runat="server">
            <telerik:RadScriptManager ID="ScriptManager" runat="server" />
            <qsf:Header ID="Header1" runat="server" NavigationLanguage="VB" ShowSkinChooser="false"></qsf:Header>
            <div id="qsfexWrapper">
                <div id="qsfexLogo">
                </div>
                <div id="qsfexSearchBar">
                    <asp:TextBox runat="server" ID="qsfexSearchBox" ValidationGroup="SearchValidationGroup"></asp:TextBox>
    <asp:RequiredFieldValidator runat="server" CssClass="qsfexErrorMessage" ID="RequiredFieldValidator1"
    ControlToValidate="qsfexSearchBox" Display="Dynamic" ErrorMessage="Please enter a search term!"
    ValidationGroup="SearchValidationGroup" />
    <asp:LinkButton ID="LinkButton1" runat="server" CssClass="qsfexSearch" CausesValidation="true"
    ValidationGroup="SearchValidationGroup"></asp:LinkButton>
                </div>
                <div>
                    <div style="padding-top: 110px">
                        <telerik:RadPanelBar ID="RadPanelBar1" runat="server" ValidationGroup="LoginValidationGroup"
                            CausesValidation="true" Height="258px" Width="200px" ExpandMode="FullExpandedItem"
                            OnItemClick="RadPanelBar1_ItemClick" Skin="Black">
                            <Items>
                                <telerik:RadPanelItem Text="About us" runat="server" Expanded="True">
                                    <Items>
                                        <telerik:RadPanelItem Text="Mission Statement" runat="server">
                                        </telerik:RadPanelItem>
                                        <telerik:RadPanelItem Text="Strategic Plan" runat="server">
                                        </telerik:RadPanelItem>
                                        <telerik:RadPanelItem Text="Executive Bios" runat="server">
                                        </telerik:RadPanelItem>
                                        <telerik:RadPanelItem Text="Contact Us" runat="server">
                                        </telerik:RadPanelItem>
                                    </Items>
                                </telerik:RadPanelItem>
                                <telerik:RadPanelItem Text="Products" runat="server">
                                    <Items>
                                        <telerik:RadPanelItem Text="Automotive" runat="server">
                                        </telerik:RadPanelItem>
                                        <telerik:RadPanelItem Text="Machinery" runat="server">
                                        </telerik:RadPanelItem>
                                        <telerik:RadPanelItem Text="Software" runat="server">
                                        </telerik:RadPanelItem>
                                        <telerik:RadPanelItem Text="Customer Goods" runat="server">
                                        </telerik:RadPanelItem>
                                    </Items>
                                </telerik:RadPanelItem>
                                <telerik:RadPanelItem Text="Contact Us" runat="server">
                                    <Items>
                                        <telerik:RadPanelItem Text="Europe" runat="server">
                                        </telerik:RadPanelItem>
                                        <telerik:RadPanelItem Text="America" runat="server">
                                        </telerik:RadPanelItem>
                                    </Items>
                                </telerik:RadPanelItem>
                            </Items>
                        </telerik:RadPanelBar>
                    </div>
                    <div id="qsfexLoginPanel" style="margin-left: 200px">
                        <p id="qsfexLoginMessage">
                            Log in to access sections</p>
                        <div id="qsfexDecoration" style="color: red">
                        </div>
                        <fieldset>
                            <legend>Example Login Form</legend>
                            <div class="qsfexFieldWrapper">
                                <asp:Label ID="Label1" runat="server" AssociatedControlID="qsfexUsername">Username</asp:Label>
                                <asp:TextBox runat="server" ID="qsfexUsername"></asp:TextBox>
    <asp:RequiredFieldValidator runat="server" CssClass="qsfexErrorMessage" ID="qsfexRequiredFieldValidator1"
    ControlToValidate="qsfexUsername" Display="Dynamic" ErrorMessage="Please Fill in Username and Password to see section!"
    ValidationGroup="LoginValidationGroup" />
                            </div>
                            <div class="qsfexFieldWrapper">
                                <asp:Label ID="Label2" runat="server" AssociatedControlID="qsfexPassword">Password</asp:Label>
                                <asp:TextBox runat="server" TextMode="password" ID="qsfexPassword"></asp:TextBox>
    <asp:RequiredFieldValidator runat="server" CssClass="qsfexErrorMessage" ID="qsfexRequiredFieldValidator2"
    ControlToValidate="qsfexPassword" Display="Dynamic" ErrorMessage="Please Fill in Username and Password to see section!"
    ValidationGroup="LoginValidationGroup" />
                            </div>
    <asp:LinkButton ID="LinkButton2" CausesValidation="true" ValidationGroup="LoginValidationGroup"
    runat="server" Text="sign in" CssClass="qsfexSignIn"></asp:LinkButton>
                        </fieldset>
                    </div>
                </div>
            </div>
            <qsf:Footer ID="Footer1" runat="server"></qsf:Footer>
        </form>
    </body>
    </html>

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