Add a grid column to master from detail

[Costantinos_Kounadis]

Hello
I have a master / detail page
I want to display in a new cell to master grid the number of detail records of every master record

[enchev]

This will affect severely the performance since at the moment details are retrieved only when you select a record:

[enchev]

In the next version of Radzen you will be able to do it like this:

1. Expand child data on Page Load event:
   

   

2. Just set the master record on master DataGrid RowSelect:
   

   

3. Bind the child grid to master record child collection:
   

   

4. Add a column with following Template @(data.OrderDetails?.Count()):
   

   

5. Run the application: