how to expend collapse some of the columns in gridview horiz

Question

I have a gridview and in which i have 15 columns my 8 columns are important and so after that i want to place other 7 columns in collapslble so that when we click on the header then expand and again clicking them makes them collapse like below 

Collapse

 like above picture when i click collapse then the collapse and after that all four columns should be collapsed