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HTML Validation Parameters

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Real-time validation of the HTML markup entered into the HTML View is performed automatically by using an internal call to the ASPxHtmlEditor.CorrectHtml method. Validation parameters for this method are specified by settings that can be accessed with the ASPxHtmlEditor.SettingsHtmlEditing property:

Settings (property) Description
HtmlEditorHtmlEditingSettings.AllowedDocumentType Specifies what document types are allowed within ASPxHtmlEditor.
HtmlEditorHtmlEditingSettings.AllowFormElements Specifies whether or not the editor's HTML markup can contain form elements such as 'form', 'input' and 'select'.
HtmlEditorHtmlEditingSettings.AllowHTML5MediaElements Specifies whether or not the editor's HTML markup can contain HTML5 media elements, i.e., 'audio' and 'video' elements.
HtmlEditorHtmlEditingSettings.AllowIdAttributes Specifies whether the editor's HTML markup can contain ID attributes.
HtmlEditorHtmlEditingSettings.AllowIFrames Specifies whether the editor's HTML markup can contain iFrames.
HtmlEditorHtmlEditingSettings.AllowObjectAndEmbedElements Specifies whether the editor's HTML markup can contain 'object' and 'embed' elements.
HtmlEditorHtmlEditingSettings.AllowScripts Specifies whether the editor's HTML markup can contain scripts.
ASPxHtmlEditorSettings.AllowScriptExecutionInPreview Specifies whether the editor's content scripts should be executed in Preview.
HtmlEditorHtmlEditingSettings.AllowStyleAttributes Specifies whether the editor's HTML markup can contain style attributes.
HtmlEditorHtmlEditingSettings.AllowYouTubeVideoIFrames Specifies whether the editor's HTML markup can contain the 'iframe' element containing a link to YouTube video.
HtmlEditorHtmlEditingSettings.UpdateBoldItalic Specifies whether the <b> (bold) and <i> (italic) elements occurring within the editor's HTML markup should be replaced with the <strong> and <em> elements respectively.
HtmlEditorHtmlEditingSettings.UpdateDeprecatedElements Specifies whether deprecated elements found within the editor's HTML markup should be replaced with their valid variants.

You can also update HTML code manually by handling the ASPxHtmlEditor.HtmlCorrecting event.

See Also