For n As Integer = 1 To Sheet.Rows.Count -1
Dim dr As DataRow = DataTables("Person_info").Find("papernum='" & sheet(0,3) & "'")
If dr Is Nothing Then
dr = DataTables("Person_info").AddNew()
For i As Integer = 0 To sheet.Cols.Count -1
Dim idx As Integer = array.indexof(nms1, sheet(0,i).Text)
If idx >= 0 Then
r(nms2(idx)) = sheet(n, i).Text
End If
Next
End If
Next