Fetch Data from Access Database and update Datagridview Columns

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VB

MS-Access

DataGridView

Dear All,
I have a MS access database with 4 fields. It is populated with few entries. The fields are:

Name
Place
Age
PIN

Now, I created one datagridview and added 5 columns. These are:
Name
Place
Age
PIN
Due --> This is the 5th column I added.

Now I want to fetch 1st four fields' entries from database and insert 5th column with some value from a textbox. So, whenever I click on a ADD button, a row shall get created in the datagridview and shall populates all the 5 columns as mentioned above.
The row shall keep on adding till I press the ADD button.
Can someone help me on this?

Regards
Raj