RadInput's server and client-side API allows the control to be focused both on the server and on the client using the respective method. You can put the focus on a specific RadInput control dynamically, or you can specify a RadInput control that should get the focus by default. You can set the default focus for the form as a whole, or you can set the default focus on a control that is a child of a Panel control. ASP.NET provides two different solutions if you need to set focus dynamically:
Furthermore RadAjaxPanel/RadAjaxManager has a FocusControl method that lets you set focus to desired controls. You can use the RadAjaxPanel.FocusControl/RadAjaxManager.FocusControl methods to set focus to a control after the Ajax request is complete: RadAjaxPanel1.FocusControl(RadInput1.ClientID + "_text") RadAjaxManager1.FocusControl(RadInput1.ClientID + "_text") Finally you can set the focus via the client-side focus() method.
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="DefaultVB.aspx.vb" Inherits="Telerik.InputExamplesVB.Common.Focus.DefaultVB" %><%@ Register TagPrefix="qsf" TagName="Footer" Src="~/Common/Footer.ascx" %><%@ Register TagPrefix="qsf" TagName="HeadTag" Src="~/Common/HeadTag.ascx" %><%@ Register TagPrefix="qsf" TagName="Header" Src="~/Common/Header.ascx" %><%@ Register TagPrefix="qsf" Namespace="Telerik.QuickStart" %><%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <qsf:HeadTag ID="Headtag1" runat="server"></qsf:HeadTag> <telerik:RadCodeBlock ID="RadCodeBlock1" runat="server"> <script type="text/javascript"> <!-- function Focus(id) { var radInput = $find(id); radInput.focus(); } function Start(sender, args) { if ((args.get_eventTarget().match("^" + "Button") == "Button") && !($get("CheckBox1").checked)) // disable Ajax { args.set_enableAjax(false); } } --> </script> </telerik:RadCodeBlock></head><body class="BODY"> <form id="mainForm" method="post" runat="server"> <qsf:Header ID="Header1" runat="server" NavigationLanguage="VB" ShowSkinChooser="true"> </qsf:Header> <telerik:RadScriptManager ID="RadScriptManager1" runat="server"></telerik:RadScriptManager> <br /> <br /> <asp:Panel ID="Panel1" runat="server"> RadTextBox: <br /> <telerik:RadTextBox ID="RadTextBox1" runat="server" SelectionOnFocus="CaretToBeginning" ></telerik:RadTextBox> <asp:Button ID="Button1" runat="server" CssClass="qsfButton" Text="Client-side focus" OnClientClick="Focus('RadTextBox1'); return false" /> <asp:Button ID="Button5" runat="server" CssClass="qsfButton" Text="Server-side focus" OnClick="Button5_Click" /> <br /><br /> RadMaskedTextBox: <br /> <telerik:RadMaskedTextBox ID="RadMaskedTextBox1" runat="server" Mask="###-#####" SelectionOnFocus="CaretToBeginning" ></telerik:RadMaskedTextBox> <asp:Button ID="Button2" runat="server" CssClass="qsfButton" Text="Client-side focus" OnClientClick="Focus('RadMaskedTextBox1'); return false" /> <asp:Button ID="Button6" runat="server" CssClass="qsfButton" Text="Server-side focus" OnClick="Button6_Click" /> <br /><br /> RadNumericTextBox: <br /> <telerik:RadNumericTextBox ID="RadNumericTextBox1" runat="server" SelectionOnFocus="CaretToBeginning" ></telerik:RadNumericTextBox> <asp:Button ID="Button3" runat="server" CssClass="qsfButton" Text="Client-side focus" OnClientClick="Focus('RadNumericTextBox1'); return false" /> <asp:Button ID="Button7" runat="server" CssClass="qsfButton" Text="Server-side focus" OnClick="Button7_Click" /> <br /><br /> RadDateInput: <br /> <telerik:RadDateInput ID="RadDateInput1" runat="server" SelectionOnFocus="CaretToBeginning" ></telerik:RadDateInput> <asp:Button ID="Button4" runat="server" CssClass="qsfButton" Text="Client-side focus" OnClientClick="Focus('RadDateInput1'); return false" /> <asp:Button ID="Button8" runat="server" CssClass="qsfButton" Text="Server-side focus" OnClick="Button8_Click" /> </asp:Panel> <qsf:ConfiguratorPanel ID="ConfiguratorPanel1" runat="server" Expanded="true"> Disable/Enable Ajax <asp:CheckBox ID="CheckBox1" runat="server" Checked="true" /> <div style="display:inline; padding-left:50px"> Change selection on focus options: <telerik:RadComboBox ID="SelectionOnFocusOptions" runat="server" AutoPostBack="true" OnSelectedIndexChanged="SelectionOnFocusOptions_SelectedIndexChanged"> <Items> <telerik:RadComboBoxItem Text="CaretToBeginning" Value="CaretToBeginning" Selected="false" /> <telerik:RadComboBoxItem Text="CaretToEnd" Value="CaretToEnd" Selected="false" /> <telerik:RadComboBoxItem Text="SelectAll" Value="SelectAll" Selected="false" /> </Items> </telerik:RadComboBox> </div> </qsf:ConfiguratorPanel> <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server" DefaultLoadingPanelID="RadAjaxLoadingPanel1" UpdatePanelsRenderMode="Inline"> <AjaxSettings> <telerik:AjaxSetting AjaxControlID="Panel1"> <UpdatedControls> <telerik:AjaxUpdatedControl ControlID="Panel1" /> </UpdatedControls> </telerik:AjaxSetting> <telerik:AjaxSetting AjaxControlID="ConfiguratorPanel1"> <UpdatedControls> <telerik:AjaxUpdatedControl ControlID="ConfiguratorPanel1" /> <telerik:AjaxUpdatedControl ControlID="Panel1" /> </UpdatedControls> </telerik:AjaxSetting> </AjaxSettings> <ClientEvents OnRequestStart="Start" /> </telerik:RadAjaxManager> <telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" runat="server" Skin="Vista" MinDisplayTime="400" > </telerik:RadAjaxLoadingPanel> <qsf:Footer ID="Footer1" runat="server"></qsf:Footer> </form></body></html>
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