or
<asp:ImageButton ImageUrl="Images/zoom-search-2-icon.png" AlternateText="Search" ToolTip="Search" Height="32" Width="32" runat="server" CssClass="iconImageStyle" OnClientClick="Search_Click()" /><telerik:RadSearchBox ID="CmbBx_Search" runat="server" Width="550px" EmptyMessage="Search..." OnClientSearch="PerformSearch" ShowSearchButton="true"> <DropDownSettings Height="400" Width="300" /> <WebServiceSettings Path="Main.aspx" Method="GetResults" /></telerik:RadSearchBox><script type='text/javascript'> function Search_Click() { toggle_visibility('CmbBx_Search'); } function toggle_visibility(id) { var e = document.getElementById(id); if (e.style.display == 'block') e.style.display = 'none'; else e.style.display = 'block'; }</script>
I changed UnitPrice Column's Value
15.00 -> 15.99
But the cell's focus out.
Value is back to 15.00 (originally value)
http://demos.telerik.com/aspnet-ajax/grid/examples/data-editing/batch-editing/defaultcs.aspx
Please test that

AjaxControlToolkit.ToolkitScriptManager.RegisterStartupScript(this, typeof(string), this._TbName.ClientID, "DelegateSearch();", true);


function setReadOnly() { var TextBox1 = $find("<%= RadTextBox1.ClientID %>"); TextBox1._textBoxElement.readOnly = true; } function clearReadOnly() { var TextBox1 = $find("<%= RadTextBox1.ClientID %>"); TextBox1._textBoxElement.readOnly = false; }