Posts Tagged ‘DNN’

DotNetNuke: Digital Asset Management does not support folders containing more than 2 GB of data

The Digital Asset Management module in the current DotNetNuke version (7.1.2) does not support folders that contain more than 2 GB of data. In detail when trying to view the folder properties the following error occurs: Error: is currently unavailable. DotNetNuke.Services.Exceptions.ModuleLoadException: Arithmetic operation resulted in an overflow. —> System.OverflowException: Arithmetic operation resulted in an overflow. […]

Read more…

DotNetNuke: Workaround for “Validation of viewstate MAC failed” exception when using the DNN 7 login form in multiple tabs

As I’ve written in one of my previous posts, I found out that one gets a “Validation of viewstate MAC failed” exception when submitting a DNN login form and the login status has changed from “not logged in” to “logged in” after the login form initially was loaded (e.g. by using an addition browser tab […]

Read more…

DotNetNuke: ModuleController.UpdateTabModuleSetting() truncates setting names to 50 characters

This is the second blog post in my new DotNetNuke blog series and it’s about a problem I found out when saving TabModuleSettings in my custom module. Generally, saving ModuleSettings and TabModuleSettings in DotNetNuke is very straightforward: The DotNetNuke.Entities.Modules.ModuleController offers two simple update methods: UpdateModuleSetting(int ModuleId, string SettingName, string SettingValue) for updating ModuleSettings and UpdateTabModuleSetting(int […]

Read more…

DotNetNuke: “Validation of viewstate MAC failed” exception when using the DNN 7 login form in multiple tabs

Update 2013-04-18 It turned out, that this is not a bug, but a security feature in DNN. I’ve written an new blog post that describes a possible workaround. This is the first blog post in my new DotNetNuke blog series. For a while now, I’m developing custom DotNetNuke modules and skins and I would like […]

Read more…