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Version Q2 2011 released 07/12/2011
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Spell / Custom Google spellcheck provider

Sample textbox
Text

  • RadSpell

    The SpellCheckProviderTypeName property of RadSpell allows the developers to specify a custom spell check provider instead of the default one. This way they can create custom spellchecking algorithms and control the given suggestions for the misspelled words.

    This example show how to create a custom spell check provider, which sends a XML HTTP Post request to Google in order to check the misspelled words and get the correction suggestions. One positive feature of the example is that there is no need to have a dictionary file, for example en-US.tdf, in order to get the RadSpell working. However you loose the functionality to add custom words in the dictionary. This is the reason why you need to disable the Add Custom button in the Spell Check dialogue. You should set the AllowAddCustom property of the RadSpell element to false.
    e.g.
    <telerik:RadSpell ID="RadSpell1" runat="server" ControlToCheck="TextBox1" AllowAddCustom="false"/>

    You can find the definition of the GoogleSpellCheckProvider class in the DefaultCS.aspx.cs or DefaultVB.aspx.vb source files attached to this example.

Source Code

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

    <%@ 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 runat="server" ID="Headtag1"></qsf:HeadTag>
        <style type="text/css">
            .smallModule textarea
            {
                width: 470px;
            }
        </style>
    </head>
    <body class="BODY">
        <form runat="server" id="mainForm" method="post">
        <qsf:Header ID="Header1" runat="server" NavigationLanguage="VB"></qsf:Header>
        <telerik:RadScriptManager ID="RadScriptManager1" runat="server"></telerik:RadScriptManager>
        <telerik:RadFormDecorator Visible="true" ID="RadFormDecorator1" runat="server" DecoratedControls="All" />
        <fieldset style="float: left; width: 460px;">
            <legend>Sample textbox</legend>
            <asp:Panel ID="Panel1" runat="server" Style="margin: 5px">
            <div>Text</div>
    <asp:TextBox ID="TextBox1" Style="height: 200px; width: 410px"
    runat="server" Rows="5" Columns="50" TextMode="MultiLine">RadSpell enablez developerz to add multilngual spellchecking capabilties to their ASP.NET applications.</asp:TextBox>
            </asp:Panel>
            <div style="padding: 5px 5px 10px 5px;">
                <telerik:RadSpell ID="RadSpell1" runat="server" ControlToCheck="TextBox1" AllowAddCustom="false"/>
            </div>
        </fieldset>
        <qsf:Footer ID="Footer1" runat="server"></qsf:Footer>
        </form>
    </body>
    </html>

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