DotNetNuke

Our more recent DotNetNuke CMS articles are listed below:


DotNetNuke Admin Search Admin

The DotNetNuke Search Admin page is for the management of the internal search indexing, not for search engines such as Google, Baidu, and Bing. I have found that over time some entries within the search index are old, having lost their prior page content reference. The search admin page can […]
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CustomValidator with Client JavaScript

I had crafted a custom validator for an DNN asp.net web page with a function to validate form elements. Using the DNN pop-up calendar, with appropriate date formatting according to the browser, had issues with visitors not setting the language within the browser correctly. It was also decided that using […]
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A RadioButtonList in a GridView

A GridView is to include a RadioButtonList in its presentation. The options are to be populated as fixed options, not taken from a database. The example below takes values from the DotNetNuke Lists and displays them as a radio button list. In the presentation file there is a GridView, called […]
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Empty the DNN Site Log

An excessively large SiteLog table is likely to have an impact on the performance of your website. Do you know how many entries there are and whether the older ones are being cleaned out? I have found that the DNN Site log table can be prone to growing, unrestricted. This […]
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DNN Browser Compatibility

Older versions of DotNetNuke supported the configuration of the browser compatibility of a website through the file /js/ClientAPICaps.config The operation of the default DotNetNuke SolPart menu with regard to different browsers is governed by this file. The file is divided into a number of sections, for example: <functionality nm="DHTML" desc="Dynamic […]
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DNN 9 Where's the Allowable File Extensions?

Is the Allowable File Extensions in DNN 9 missing or simply hidden? The good news is that it’s still available. The Allowable File Extensions is a list of those file types configured by their file extension which are permitted to be uploaded to the website. It’s given as a comma […]
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The Remote Certificate is Invalid

Configuring the SMTP settings on a DotNetNuke website gave the error, remote certificate is invalid, from the mail server: There has been an error trying to send the test email. The error is: The remote certificate is invalid according to the validation procedure I often find that errors on a DotNetNuke […]
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DotNetNuke How to Add alt Text to an Image

Alt text can be added to a DotNetNuke image either at the time of adding the image to the text content, or subsequently if required. DotNetNuke manages uploaded images and documents through the File Manager. I prefer to use the file manager to upload and manage my images and documents […]
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Increase the DotNetNuke Maximum File Upload Size

I find the default limit on file upload size in DotNetNuke can be too restrictive. The default DNN upload file size is 8Mb. The setting is within the web.config file in the root of the DNN website file installation. Look for the section <system.web>.     <!-- allow large file uploads […]
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DNN FAQ Unknown Server Tag dnn:DnnListBox

Catching up with DotNetNuke site updates I observed an error on a page with the FAQ module installed. The website had been updated to DNN 8.0.4. Bellow is the DNN FAQ module error DotNetNuke.Services.Exceptions.ModuleLoadException: Unknown server tag 'dnn:DnnListBox'. ---> System.Web.HttpParseException: Unknown server tag 'dnn:DnnListBox'. ---> System.Web.HttpParseException: Unknown server tag 'dnn:DnnListBox'. […]
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