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Version Q2 2011 released 07/12/2011
select

Input / Error Handling


RadNumericTextBox:
RadMaskedTextBox:
RadDateInput:
Control Name Input Error Message
RadNumericTextBox
RadMaskedTextBox
RadDateInput


  • The RadMaskedTextBox and RadNumercTextBox are configured to accept only digits. Try entering some letters. The RadDateInput accepts only month/day names and numbers.

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.Programming.ClientSide.OnError.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 ID="Headtag1" runat="server"></qsf:HeadTag>
        <!-- custom head section -->
        <style type="text/css">
            .DivStyle
            {
                float: left;
                margin-bottom: 10px;
            }
        </style>
        <telerik:RadCodeBlock ID="RadCodeBlock1" runat="server">
            <script type="text/javascript">
            <!--
                function onError(input, args) {
                    var message = "Invalid character: ";
                    switch (input.get_id()) {
                        case "RadNumericTextBox1":
                            message += "accepts only numberic values.";
                            document.getElementById("numInput").innerHTML = args.get_inputText();
                            document.getElementById("numErrorOut").innerHTML = message;
                            break;
                        case "RadMaskedTextBox1":
                            message += "the value <b>" + args.get_newValue() + "</b> is not numeric.";
                            document.getElementById("maskInput").innerHTML = args.get_newValue();
                            document.getElementById("maskErrorOut").innerHTML = message;
                            break;
                        case "RadDateInput1":
                            message += "the value <b>" + args.get_inputText() + "</b> is not a valid date time argument(s).";
                            document.getElementById("dateInput").innerHTML = args.get_inputText();
                            document.getElementById("dateErrorOut").innerHTML = message;
                            break;
                        default: break;
                    }
                }
                function onKeyPress(input, args) {
                    switch (input.get_id()) {
                        case "RadNumericTextBox1":
                            document.getElementById("numInput").innerHTML = "";
                            document.getElementById("numErrorOut").innerHTML = "";
                            break;
                        case "RadMaskedTextBox1":
                            document.getElementById("maskInput").innerHTML = "";
                            document.getElementById("maskErrorOut").innerHTML = "";
                            break;
                        case "RadDateInput1":
                            document.getElementById("dateInput").innerHTML = "";
                            document.getElementById("dateErrorOut").innerHTML = "";
                            break;
                        default: break;
                    }
                }
                -->
            </script>
        </telerik:RadCodeBlock>
        <!-- end of custom head section -->
    </head>
    <body class="BODY">
        <form id="mainForm" method="post" runat="server">
        <qsf:Header ID="Header1" runat="server" NavigationLanguage="VB"></qsf:Header>
        <telerik:RadScriptManager ID="RadScriptManager1" runat="server" />
        <!-- content start -->
        <br />
        <div class="module DivStyle" style="width: 28%">
            RadNumericTextBox:
            <br />
            <telerik:RadNumericTextBox ID="RadNumericTextBox1" runat="server" Type="Number">
                <ClientEvents OnError="onError"></ClientEvents>
            </telerik:RadNumericTextBox>
        </div>
        <div class="module DivStyle" style="width: 28%">
            RadMaskedTextBox:
            <br />
            <telerik:RadMaskedTextBox ID="RadMaskedTextBox1" runat="server" PromptChar="_" Mask="(###) ###-#####">
                <ClientEvents OnError="onError" />
            </telerik:RadMaskedTextBox>
        </div>
        <div class="module DivStyle" style="width: 28%">
            RadDateInput:
            <br />
            <telerik:RadDateInput ID="RadDateInput1" runat="server" DateFormat="dd MMM yy hh:mm:ss tt">
                <ClientEvents OnError="onError"></ClientEvents>
            </telerik:RadDateInput>
        </div>
        <div class="module" style="width: 688px; clear: both;">
            <table cellpadding="4" cellspacing="0" width="100%">
                <thead>
                    <tr>
                        <td style="width: 23%">
                            <b>Control Name</b>
                        </td>
                        <td style="width: 22%">
                            <b>Input</b>
                        </td>
                        <td style="width: 55%">
                            <b>Error Message</b>
                        </td>
                    </tr>
                </thead>
                <tbody>
                    <tr>
                        <td valign="top">
                            RadNumericTextBox
                        </td>
                        <td>
                            <span id="numInput"></span>
                        </td>
                        <td>
                            <span id="numErrorOut" style="color: Red"></span>
                        </td>
                    </tr>
                    <tr>
                        <td valign="top">
                            RadMaskedTextBox
                        </td>
                        <td>
                            <span id="maskInput"></span>
                        </td>
                        <td>
                            <span id="maskErrorOut" style="color: Red"></span>
                        </td>
                    </tr>
                    <tr>
                        <td valign="top">
                            RadDateInput
                        </td>
                        <td>
                            <span id="dateInput"></span>
                        </td>
                        <td>
                            <span id="dateErrorOut" style="color: Red"></span>
                        </td>
                    </tr>
                </tbody>
            </table>
        </div>
        <br />
        <!-- content end -->
        <qsf:Footer ID="Footer1" runat="server"></qsf:Footer>
        </form>
    </body>
    </html>

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