calculation in datagridview column

[rony_78]

Hi friendsI am trying to learn how do i calculates between columns such as col1*col2=col3 col4-col3=col5 when i add columns and rows in datagridview like this .im not familiar with terminologies yet, i have added columns with rows in in datagridview and put it in form load event..

DataGridView1.ColumnCount = 5DataGridView1.Columns(0).Name = "col1"DataGridView1.Columns(1).Name = "col2"Dim row As String() = New String() {}DataGridView1.Rows.Add(row)row = New String() {}

can someone provide me a link or a sample code please