DataRowAdded事件
dim idx as integer = tables(e.DataTable.name).findrow(e.datarow)
if idx = 0 then
e.DataRow("第一列") = 0
else
e.DataRow("第一列") = tables(e.DataTable.name).rows(idx-1)("第一列") + 1
end if
dim n as integer = e.DataRow("第一列")
for i as integer = idx+1 to tables(e.DataTable.name).rows.count - 1
tables(e.DataTable.name).rows("i")("第一列") = n+1
n = n+1
next