Dim n_current_row As Integer
Dim n_current_column As Integer
Dim n_clicked_id As Integer
Dim d_row As DataGridViewRow
Dim f As Integer
Dim n_row As Integer
' detect the clicked line
n_current_row = e.RowIndex
n_current_column = e.ColumnIndex
If n_current_row < 0 Then Exit Sub ' no data
d_row = DataGridView1.Rows(n_current_row) ' d_row is now a row object with all fields
n_clicked_id = d_row.Cells(0).Value ' asuming field(0) contains the id
' color the line that was clicked, and remove color from others
For n_row = 0 To DataGridView1.RowCount - 1
d_row = DataGridView1.Rows(n_row)
If n_row = n_current_row Then
For f = 0 To DataGridView1.ColumnCount - 1
d_row.Cells(f).Style.BackColor = Color.FromArgb(187, 255, 187)
Next
Else
For f=0 to DataGridView1.ColumnCount-1
d_row.Cells(f).Style.BackColor = Color.White
Next
End If
Next
Coloring a clicked line in a datagridview
Coloring the clicked line in a datagridview, while at the same time
setting another color on all other lines (in this case white to remove
highlighting, but any color is usable)