I’m trying to make a clr project but when i use toolbox, it shows me “There are no usable controls in this group. Drag an item onto this text to add it to the toolbox”.

I’ve tried to right click on Toolbox, choose “Show All”, but all tools are shown in grey characters, and i can’t do anything with it, without some “Data” tools like pointer, dataset,…
(https://i.sstatic.net/gws5LMTI.png)
(https://i.sstatic.net/TMIIX4lJ.png)