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Get htmltextbox error message/code

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Girard Loic
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Girard Loic asked on 28 May 2010, 03:04 PM

Hi

Is there a way to get an error message(or code)  when the contents of a htmltextbox isn’t supported (eg: <TABLE> tag)?  

Many thanks

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Peter
Telerik team
answered on 31 May 2010, 08:23 AM
Hi Girard Loic,

To check whether the HtmlTextBox would be able to handle the content you set to its value, you should use the IsValidXHTML method of the HtmlTextBox processing instance.
You can do that check either in the ItemDataBinding event of the item e.g.:

private void htmlTextBox1_ItemDataBinding(object sender, EventArgs e)
   {
       var box = (Processing.HtmlTextBox)sender;
       if (box.IsValidXhtml((string)row[0]))
       {
           box.Value = row[0];
       }
       else
       {
           box.Value = StrippedXhtml;
       }
   }

or directly in the HtmlTextBox expression e.g.:

"=Iif(ReportItem.IsValidXhtml('content_here'), 'true_part', 'false_part')"

Best wishes,
Peter
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Girard Loic
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answered on 31 May 2010, 09:39 AM
thank you for your help but I have an issue with your response, I don't find IsValidXhtml method in vb.net with Telerik reporting 2010 Q1
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Girard Loic
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