addressValue = dataGridView1.CurrentRow.Cells["Address"].Value.ToString();

Of course in real code you'd need to make sure CurrentRow was not null before you attempted to access it'sCells property, and the above code assumes the name of the column is "Address"... you might need to change that depending on what you named the column.

addressValue = dataGridView1.CurrentRow.Cells["Address"].Value.ToString();

Of course in real code you'd need to make sure CurrentRow was not null before you attempted to access it'sCells property, and the above code assumes the name of the column is "Address"... you might need to change that depending on what you named the column.

you can used

datagrid[<column number>][<row number>].value

to access particular cell value