I came across an issue when trying to add a custom web part to a page layout in SPD. Each time I added it, the web part would error “Cannot create an object of type ‘Systems.Collections.ArrayList’ from its string representation…
I came across an issue when trying to add a custom web part to a page layout in SPD. Each time I added it, the web part would error “Cannot create an object of type ‘Systems.Collections.ArrayList’ from its string representation…