Two for loops to insert to SQL

Please help me to complete code.
I created a datatable. I want to use two for loops to insert row by row and column by column from datatable (dt) into SQL table (Order).
For i = 0 To dt.Rows.Count - 1 For j = 0 To dt.Columns.Count - 1 Dim sSQL As String = "insert into Order...(please help from here) cmd.CommandText = sSQL myConn.Open()  cmd.ExecuteNonQuery()
myConn.Close() Next Next