or
<telerik:GridDateTimeColumn HeaderText="My Date>" DataField="MyDateTime" PickerType="DateTimePicker" DataType="System.DateTime" UniqueName="MyDateTime" GroupByExpression="MyDateTime Group By MyDateTime" DataFormatString="{0:dd/MM/yyyy hh:mm tt}" FilterDateFormat="dd/MM/yyyy hh:mm tt" EditDataFormatString="dd/MM/yyyy hh:mm tt" AllowFiltering="true" AllowSorting="true"></telerik:GridDateTimeColumn>In the design time, I set the CssClass property to "red"
After some event, I try to set it to "yellow", but it doesn't work.
I tried:
TxtAmount.CssClass = "yellow";
Also
TxtAmount.CssClass += TxtAmount.CssClass.Replace("red", "yellow");
plus other ways
<%@ Page Language="vb" EnableEventValidation="false" AutoEventWireup="false" CodeBehind="TestRadFormDecorator1.aspx.vb" Inherits="WebwareNET.TestRadFormDecorator1" ClientIDMode="Static" %><%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %><!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"> <title></title> <script type="text/javascript" src="http://code.jquery.com/jquery-1.10.2.min.js"></script> <script type="text/javascript"> function wsListMoveItem(p_sSourceID, p_sTargetID) { $('#' + p_sSourceID + ' > option:selected').each(function () { $(this).remove().appendTo('#' + p_sTargetID); }); } </script></head><body> <form id="form1" runat="server"> <telerik:RadScriptManager ID="RadScriptManager1" runat="server" /> <telerik:RadSkinManager ID="RadSkinManager1" ShowChooser="true" runat="server" /> <telerik:RadFormDecorator ID="RadFormDecorator1" DecoratedControls="all" runat="server" /> <table> <tr style="vertical-align: middle;"> <td style="text-align: center;"> Does NOT belong <br /> <asp:ListBox ID="lstDoesNot" Rows="7" SelectionMode="Multiple" runat="server"> <asp:ListItem Text="1"></asp:ListItem> <asp:ListItem Text="2"></asp:ListItem> <asp:ListItem Text="3"></asp:ListItem> </asp:ListBox> </td> <td style="text-align: center;"> <asp:Button ID="btnAdd" runat="server" Text="»" UseSubmitBehavior="false" OnClientClick="wsListMoveItem('lstDoesNot','lstDoes');return false;" /> <br /> <br /> <asp:Button ID="btnRemove" runat="server" Text="«" UseSubmitBehavior="false" OnClientClick="wsListMoveItem('lstDoes','lstDoesNot');return false;" /> </td> <td style="text-align: center;"> Does belong <br /> <asp:ListBox ID="lstDoes" Rows="7" SelectionMode="Multiple" runat="server"> <asp:ListItem Text="a"></asp:ListItem> <asp:ListItem Text="b"></asp:ListItem> <asp:ListItem Text="c"></asp:ListItem> </asp:ListBox> </td> </tr> </table> </form></body></html>