In your LightSwitch application when you add the client “HTML Client” some things change in the Entity Designer.
In the bottom of the designer now appear 2 or 3 captions:
- If you only have a HTML Client there are 2 captions: SERVER and HTMLClient.
- If you have a Desktop Client and HTML Client there are 3 captions: SERVER, Client, and HTMLClient.
- If you started with a HTMLClient and then added a Desktop Client is like this: SERVER, DesktopClient, and HTMLClient.
To change the summary field you need to click Client, DesktopClient or HTMLClient. Click on the table’s caption and in properties you can see the summary option where you can select the appropriate field.
The summary field option doesn’t appear if you are in SERVER.