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Version Q2 2011 released 07/12/2011
select

Input / Validation

Registration form
Name:
Age:
Phone:
Email
Hire Date:





  • Type some data in the input controls then press the submit button. ASP.NET validation would fail in case of invalid or missing data.

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page Language="vb" CodeFile="DefaultVB.aspx.vb" AutoEventWireup="false" Inherits="Telerik.InputExamplesVB.Common.Validation.DefaultVB" %>

    <%@ Register TagPrefix="qsf" Namespace="Telerik.QuickStart" %>
    <%@ 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" %>
    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <!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 runat="server" ID="Headtag1"></qsf:HeadTag>
        <!-- custom head section -->
        <!-- end of custom head section -->
        <style type="text/css">
            .FormContainer DT LABEL
            {
                float: left;
                width: 100px;
            }
            .FormContainer LABEL
            {
                line-height: 20px;
            }
            #CheckBox1
            {
                vertical-align: middle;
            }
            IFRAME
            {
                border-right: red 1px solid;
                border-top: red 1px solid;
                border-left: red 1px solid;
                border-bottom: red 1px solid;
            }
            FIELDSET
            {
                border-right: #ccc 1px solid;
                padding-right: 5px;
                border-top: #ccc 1px solid;
                padding-left: 5px;
                padding-bottom: 5px;
                border-left: #ccc 1px solid;
                padding-top: 5px;
                border-bottom: #ccc 1px solid;
            }
        </style>
    </head>
    <body class="BODY">
        <form runat="server" id="mainForm" method="post">
        <qsf:Header runat="server" ID="Header1" NavigationLanguage="VB" XhtmlCompliant="False">
        </qsf:Header>
        <telerik:RadScriptManager ID="RadScriptManager1" runat="server" />
        <!-- content start -->
        <telerik:RadAjaxPanel ID="RadAjaxPanel1" runat="server" LoadingPanelID="RadAjaxLoadingPanel1">
            <fieldset>
                <legend>Registration form</legend>
                <br />
                <table border="0" cellpadding="5">
                    <colgroup>
                        <col width="100" />
                        <col width="500" />
                    </colgroup>
                    <tr class="FormContainer">
                        <td>
                            Name:
                        </td>
                        <td>
                            <telerik:RadTextBox ID="RadTextBox1" runat="server">
                            </telerik:RadTextBox>
    <asp:RequiredFieldValidator ID="TextBoxRequiredFieldValidator" runat="server" Display="Dynamic"
    ControlToValidate="RadTextBox1" ErrorMessage="The textbox can not be empty!" />
                        </td>
                    </tr>
                    <tr class="FormContainer">
                        <td>
                            Age:
                        </td>
                        <td>
                            <telerik:RadNumericTextBox ID="RadNumericTextBox1" runat="server" Type="Number" NumberFormat-DecimalDigits="0">
                            </telerik:RadNumericTextBox>
    <asp:RequiredFieldValidator ID="NumercTextBoxRequiredFieldValidator" runat="server"
    Display="Dynamic" ControlToValidate="RadNumericTextBox1" ErrorMessage="Please, select an year number!" />
    <asp:RangeValidator ID="NumericTextBoxRangeValidator" runat="server" ControlToValidate="RadNumericTextBox1"
    ErrorMessage="Year number should be a non negative less than 50." Display="Dynamic"
    MaximumValue="50" MinimumValue="0" Type="Double" />
                        </td>
                    </tr>
                    <tr class="FormContainer">
                        <td valign="top">
                            Phone:
                        </td>
                        <td>
                            <telerik:RadMaskedTextBox ID="RadMaskedTextBox1" runat="server" Mask="(###)-######">
                            </telerik:RadMaskedTextBox>
    <asp:RequiredFieldValidator Display="Dynamic" ID="MaskedTextBoxRequiredFieldValidator"
    runat="server" ErrorMessage="Please, enter a phone number." ControlToValidate="RadMaskedTextBox1"></asp:RequiredFieldValidator>
    <asp:RegularExpressionValidator Display="Dynamic" ID="MaskedTextBoxRegularExpressionValidator"
    runat="server" ErrorMessage="Format is (###)-######" ControlToValidate="RadMaskedTextBox1"
    ValidationExpression="\(\d{3}\)-\d{6}" />
                        </td>
                    </tr>
                    <tr class="FormContainer">
                        <td valign="top">
                            Email
                        </td>
                        <td>
                            <telerik:RadTextBox ID="Radtextbox2" runat="server">
                            </telerik:RadTextBox>
    <asp:RegularExpressionValidator ID="emailValidator" runat="server" Display="Dynamic"
    ErrorMessage="Please, enter valid e-mail address." ValidationExpression="^[\w\.\-]+@[a-zA-Z0-9\-]+(\.[a-zA-Z0-9\-]{1,})*(\.[a-zA-Z]{2,3}){1,2}$"
    ControlToValidate="Radtextbox2">
                            </asp:RegularExpressionValidator>
    <asp:RequiredFieldValidator ID="Requiredfieldvalidator1" runat="server" Display="Dynamic"
    ControlToValidate="Radtextbox2" ErrorMessage="Please, enter an e-mail!" />
                        </td>
                    </tr>
                    <tr class="FormContainer">
                        <td>
                            Hire&nbsp;Date:
                        </td>
                        <td>
                            <telerik:RadDateInput ID="RadDateInput1" Style="font: 8pt monospace" runat="server"
                                DateFormat="d" MinDate="01/01/1990" MaxDate="01/01/3000">
                            </telerik:RadDateInput>
    <asp:RangeValidator ID="DateInputRangeValidator" runat="server" ControlToValidate="RadDateInput1"
    ErrorMessage="Choose a date between 5th of January 2005 and 1st of September 2005"
    Display="Dynamic" MaximumValue="2005-09-01-00-00-00" MinimumValue="2005-01-05-00-00-00" />
    <asp:RequiredFieldValidator ID="PickerRequiredFieldValidator" runat="server" Display="Dynamic"
    ControlToValidate="RadDateInput1" ErrorMessage="Please select a date" />
                        </td>
                    </tr>
                </table>
                <br />
                <br />
    <asp:CheckBox ID="CheckBox1" runat="server" Text="Client Side Validation" Checked="True"
    AutoPostBack="True"></asp:CheckBox>
                <br />
                <br />
                <asp:Button ID="Button1" runat="server" Text="Postback" class="qsfButton"></asp:Button>
                <input type="reset" class="qsfButton" value="Reset" />
            </fieldset>
        </telerik:RadAjaxPanel>
        <telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" runat="server">
        </telerik:RadAjaxLoadingPanel>
        <!-- content end -->
        <qsf:Footer runat="server" ID="Footer1"></qsf:Footer>
        </form>
    </body>
    </html>

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