我已經將count(ProductQuantity)存儲到列表中。由於每個ProductID具有不同的計數(ProductQuantity),因此我試圖根據計數(ProductQuanity)檢索ProductID。其中count sql語句
For Each i In sumofpquantity()
Dim sq As String = "SELECT ProductID From OrderDetail Where COUNT(ProductQuantity)= " & i & ""
Dim cmd2 As SqlCommand = New SqlCommand(sq, connection12)
Dim reading As SqlDataReader = cmd2.ExecuteReader()
While reading.Read()
list.Add(reading.GetInt32(reading.GetOrdinal("ProductID")))
End While
reading.Close()
Next i
sumofpquantity()是將計(ProductQuanity)
什麼是正確的SQL語句檢索(產品數量)