Dim n As Integer
DataTables("crm_products").Load
For Each dr1 As DataRow In DataTables("crm_products").DataRows
n=0
Dim drs As List(Of DataRow)
drs = DataTables("crm_procurement_detail").Select("product_id = '" & dr1("product_id") & "'")
For Each dr As DataRow In drs
If dr IsNot Nothing Then
n=n+1
End If
Next
dr1("标记") =n
Next
messagebox.Show("标记完毕")
将 crm_products的ID在crm_procurement_detail在这个表里的有相同ID的标记出来。
但是crm_procurement_detail是分页加载的,怎么解决这个问题,如何将crm_products与crm_procurement_detail做比较