thanks for ur reply, but for the update task, i already know the code. right now, i m having problem for adding data because it involves master detail relationship and i have to add the data from...

it is windows form. i know, the binding navigator can be used to add, delete, but i had to used button. so i didnt know how to add or delete without using the binding navigator. can anyone help me?

thanks a lot waynespangler!!!it works!

How can i add, delete, update using datagrid?currently, im using Sql Server as the database.

i know it works after the third click, but when i click (fourth click) again on the btnInTr,the hide buttons should be displayed. my problem is, it only works for 1st click, 2nd click and 3rd click...

there are some buttons that will be displayed when the form load. when the user first click on the first button, the invisible button that are put behind the first button will be displayed. whereas,...