Image preview in Episerver all properties view

In Episerver CMS, properties may be added to Images. Images may be enriched with copyright information, descriptions, etc that are displayed together with the images on your website. Editing this kind of information would be more intuitive if we could see both the image and the properties at the same time! And why can’t we see how large the image is without downloading it? We can!
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DropDownList in on-page editing?

The attributes [SelectOne] and [SelectMany] can be used in combination with a SelectionFactory to create Episerver properties in the form of DropDownLists and CheckBoxLists. This was introduced in Episerver 7.5, five years ago, and should be familiar to most Episerver developers. But, some editors are afraid of «All properties view» and would like to do all their editing in «On-page editing», what about them? They need a little extra work.
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Change text in the Episerver UI

Sometimes the names and texts in the Episerver UI can be confusing for the editors of a specific site. Luckily, we as developers can override all texts stored in Episervers language files, in two easy steps.

  1. Locate the text you want to override
  2. Add your own translation to an XML file

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Customizing the Episerver page tree

A website has content in a lot of different languages, some of the language codes are kind of cryptic looking and the editors don’t recognize all of them. When they view the page tree in a specific language, pages that does not exist in that language are shown in a gray font and the language code of the page’s master language are shown. The editors wants to see the name of the language, rather than the language code.
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Property prompt for Episerver

Today I discovered a feature I have never noticed before! You can add a placeholder, watermark, or (as Episerver calls it) a prompt to some properties.

[Display(Name = "String", Prompt = "Insert string...")]
public virtual string StringPrompt { get; set; }

[Display(Name = "DateTime", Prompt = "Insert DateTime...")]
public virtual DateTime DateTimePrompt { get; set; }

[Display(Name = "Int", Prompt = "Insert integer...")]
public virtual int IntPrompt { get; set; }

The prompt displays like this:

There is no point in repeating the name (label) of the property as the prompt, but describing the expected format (or validation) of the property, could be useful in some scenarios.
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Episerver help texts, improved

Life as a web editor can be difficult. Some larger Episerver solutions may have more than 100 different page types, each of which has many tabs with tens of properties. Each property has a label, which is a short text that tells editors what the property are for, for example «Headline», «Main Image» or similar.

Sometimes, the label does not have room for all the information that editors should be presented with, and therefore, Episerver has added the option to display a tooltip, an additional description that appears at mouseover on the label. There are a couple of drawbacks to this solution. There is no visual marking that informs the editors of which properties have such tooltip text and which ones do not have. And since often very few properties have tooltip texts, it’s quite likely that the editors don’t see the ones that are added.

If Episerver can’t fix this for the better of their ediors, other developers will find ways.
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Episerver remote UDP events after upgrading to CMS 11

After upgrading a site from CMS 10 to CMS 11, this error surfaced:

Server Error in ‘/’ Application.


Configuration Error

Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: The type ‘Microsoft.ServiceModel.Samples.UdpTransportElement, EPiServer.Events’ registered for extension ‘udpTransportCustom’ could not be loaded.

Source Error:

Line 55:   <binding name="RemoteEventsBinding">
Line 56:     <binaryMessageEncoding />
Line 57:       <udpTransportCustom 
multicast="true"/>
Line 58: </binding> Line 59: </customBinding>

Source File: C:\Alloy\web.config    Line: 57


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.2633.0

Let’s figure out what’s wrong!
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Episerver og de nye listeegenskapene

Episerver kommer med ukentlige oppdateringer, men det er som oftest bare mindre feilrettinger, og det kan gå uker eller måneder mellom hver virkelige godbit. Godt skjult i Episerver – update 189, som ble sluppet 21. november 2017, var det en ny feature: «CMS-8190: List properties». Jeg overså først denne selv, men nå er tiden inne for å finne ut hva dette egentlig er.
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