[Solved] CheckBox, RadRadioButtonList used in radwindow it show double how we restrict

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CheckBox RadioButtonList
M Kumar asked on 28 Aug 2025, 09:03 AM

Hi sir,

 

 

              I open the new page in radwindow. in that new page i add textbox, checkbox, RadRadioButtonList and comobobox.

but CheckBox, RadRadioButtonList  it show double how we restrict.

it show in firefox, edge browser.

 

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Rumen
Telerik team
answered on 28 Aug 2025, 09:16 AM

Hi M Kumar,

Please make sure that all the components on the page have the same render mode set, e.g. set the RenderMode property to Lightweight:

<telerik:RadButton RenderMode="Lightweight" ID="RadButton1" runat="server" Text="RadButton" />
<br />
<telerik:RadCheckBox RenderMode="Lightweight"  ID="RadCheckBox1" runat="server" Text="RadCheckBox" Checked="true"></telerik:RadCheckBox>

The problem is handled by the following article: https://www.telerik.com/products/aspnet-ajax/documentation/controls/checkbox/troubleshooting/distorted-appearance.

 

Regards,
Rumen
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commented on 29 Aug 2025, 05:32 AM

Hi sir,  

 

   Thanks for reply 

     I already set the RenderMode property to Lightweight:

 

<telerik:RadCheckBox ID="radchkStatus" RenderMode="Lightweight" runat="server" OnClientClicked="clientClick" AutoPostBack="false" Checked="True">
                 </telerik:RadCheckBox>  

 

for all check box and radiobutton list and radwindow also. but  still "Distorted appearance of RadCheckBox when placed

 

 

 

Rumen
Telerik team
commented on 29 Aug 2025, 07:48 AM

Have you applied the RenderMode="Lightweight" to the remaining Telerik components on the page? I see there are comboboxes, textboxes and other on the screenshot? If the problem persists, please share the whole page for review or better a simple runnable project or a live url to the page.
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