The Admin Vendors configuration page is the backend associated with the banners module. A new vendor comprises a company name, contact’s first and last name and their email address. Address and website details may be optional, defined by the checkboxes to the right of the entry boxes. Once a vendor has been created a log […]
Category: DotNetNuke
Increasing Login Timeout
The default DotNetNuke login timeout is 1 hour. Extending the timeout of a DotNetNuke website can reduce how often you need to login to your website. It can also be used to limit the risk of losing data entered either in a form or the text/HTML module, when these have not been submitted. The changes […]
ApplicationBlocks does not Exist in the Namespace Microsoft
I was seeing the error: The type or namespace name ‘ApplicationBlocks’ does not exist in the namespace ‘Microsoft’ (are you missing an assembly reference?) The missing DLL is Microsoft.ApplicationBlocks.Data.dll. It is available from http://download.microsoft.com/download/VisualStudioNET/daabref/RTM/NT5/EN-US/DataAccessApplicationBlock.msi The downloaded file DataAccessApplicationBlocks.msi adds a VB and C# solution to the folder. Click on this to open the solution in […]
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The Specified Cryptographic Algorithm is not Supported on this Platform
I had created a new DotNetNuke 7 website with the expectation of working away from home for a day, using an older Windows XP laptop. Having backed up and copied the files and database from Windows 7 across to the Windows XP laptop I found this error once I started the new DNN 7 instance. […]
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Change Default Portal
The default DotNetNuke portal can be changed from the first created, portal 0. To set the default DotNetNuke portal, you’ll need to login to the set of portals using a host user account. Once you have logged in navigate to the page Host/Host settings On this page expand the section Host Details. Select the host […]
Setting Maximum File Upload Size
By Default DotNetNuke sets the maximum file size which may be uploaded to 8MB. To change this requires an edit of the web.config file. The web.config file is located at the root of the DotNetNuke site code, not the portal files. Therefore the DotNetNuke admin file manager cannot be used to make the modification required. […]
Unable to Login to DotNetNuke Website
DotNetNuke allows the login page to be defined. This page can then be customised with content appropriate to the login state and the role of the user. If the login page is set in admin>site settings, without adding the required login module to the page first then when the site owner tries to login next […]
Setting DOCTYPE for a DotNetNuke Website Skin
DotNetNuke uses an XML file to define the HTML DocType. One DocType file is required for each skin variant within the whole skin package. For example, for a skin having styles for the home page and for the remainder (main),I would create a minimum of the following files: home.ascx home.css main.ascx main.css skin.css And add […]
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Could not Find Library System.EnterpriseServices.dll
An old version of Visual Studio, together with a DotNetNuke installation gave a missing library error. The missing library was System.EnterpriseServices.dll A more complete error report is given below: Server Error in ‘/dnn4.5.1’ Application. Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error […]
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Adding the Banner Module to a Skin
The Banner module displays entries defined under Admin/Vendors. It is usual to add it to a page content area. If the results are to appear on each page, why not add it directly to the skin? Adding the DotNetNuke Banner module to a DNN skin follows the usual method of adding a reference and an […]


