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Rad Ajax renders not correctly - extra lines created

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Jukka
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Jukka asked on 10 Feb 2010, 03:23 PM

Hi,

We have seen that even simple ajaxing with RadAjaxManager creates extra blank lines in the rendered HTML. Here is an example below. When the "Test" Button is clicked, there will be an extra empty line between the "Test" button and the "Test Text" line on the page. If you know a solution or a fix for this, please let us know. Thanks! Jukka.

<%

 

@ Page Language="C#" AutoEventWireup="true" CodeBehind="test2.aspx.cs" Inherits="HVHS.Apps.VNMS.Web.test2" %>

 

<!

 

 

DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

 

<%

 

@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %>

 

<

 

 

html xmlns="http://www.w3.org/1999/xhtml" >

 

<

 

 

head runat="server">

 

 

 

<title>Untitled Page</title>

 

</

 

 

head>

 

<

 

 

body>

 

 

 

<form id="form1" runat="server">

 

 

 

<div>

 

 

 

<telerik:RadScriptManager ID="RadScriptManager1" runat="server" />

 

 

 

 

<telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">

 

 

 

<AjaxSettings>

 

 

 

<telerik:AjaxSetting AjaxControlID="btnTest">

 

 

 

<UpdatedControls>

 

 

 

<telerik:AjaxUpdatedControl ControlID="Panel1" />

 

 

 

</UpdatedControls>

 

 

 

</telerik:AjaxSetting>

 

 

 

</AjaxSettings>

 

 

 

</telerik:RadAjaxManager>

 

 

 

 

<asp:Button ID="btnTest" runat="server" OnClick="btnTest_Click" Text="Test" />

 

 

 

<asp:Panel ID="Panel1" runat="server"/>

 

Test Text

 

 

</div>

 

 

 

</form>

 

</

 

 

body>

 

</

 

 

html>

 

cs:

using

 

 

System;

 

using

 

 

System.Collections;

 

using

 

 

System.Configuration;

 

using

 

 

System.Data;

 

using

 

 

System.Linq;

 

using

 

 

System.Web;

 

using

 

 

System.Web.Security;

 

using

 

 

System.Web.UI;

 

using

 

 

System.Web.UI.HtmlControls;

 

using

 

 

System.Web.UI.WebControls;

 

using

 

 

System.Web.UI.WebControls.WebParts;

 

using

 

 

System.Xml.Linq;

 

namespace

 

 

HVHS.Apps.VNMS.Web

 

{

 

 

public partial class test2 : System.Web.UI.Page

 

{

 

 

protected void Page_Load(object sender, EventArgs e)

 

{

}

 

 

protected void btnTest_Click(object sender, EventArgs e)

 

{

}

}

}

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Pavlina
Telerik team
answered on 12 Feb 2010, 01:23 PM
Hi Jukka,

In order to avoid this behavior you should set UpdatePanelsRenderMode property of RadAjaxManager control to Inline. This property allows you to control the render mode for all ajaxified controls.

However, for your convenience I am sending you a simple working application which demonstrates the desired behavior. Please examine it and let me know if you have other questions or problems.

Additionally, please review the following help article:
http://www.telerik.com/help/aspnet-ajax/update-panels-render-mode.html

I hope this helps.

Kind regards,
Pavlina
the Telerik team

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Ajax
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Jukka
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Pavlina
Telerik team
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