How to delete lines from a datagridview

Question

I am developing a program in C# and would like to know how I can block/delete an sql line in datagridview. The line I wanted to delete/block is the last one selected in the print, I wanted to know if it is possible to block or delete because of to write on this line. I can’t use the enable=false; because when I click on datagridview he writes in the textbox what is selected

Answer 1

To hide the addition line of new lines, go to the properties of datagridview and Set

Allowusertoaddrows=false;