主题：[求助]添加"初始库存表"修改代码

老师你好,我有一个"初始库存表",  初始库存表的[数量]及[不含税金额]列,麻烦添加进下列代码中,谢谢!

材料月结表涉及:入库明细表,出库明细表,初始库存表,共3个表

 

Dim st As Date = Date.Now '用于计算时间

Dim s As String = e.Form.Controls("起始月").Value
If s <> "" Then
Tables("材料月结").StopRedraw() '停止重绘
DataTables("材料月结").DataRows.Clear
Dim dt_in As List(Of DataRow)
dt_in = DataTables("材料入库明细表").Select("材料编号 is not null", "材料编号,材料名称,规格型号,材料_大类,材料_中类,月份") '排序取出 入仓 全部数据

Dim r As Row
Dim sum_curr_money, sum_prev_money As Double
Dim sum_curr_count, sum_prev_count As Single

r = Tables("材料月结").AddNew
r("材料编号") = dt_in(0)("材料编号")
r("材料名称") = dt_in(0)("材料名称")
r("规格型号") = dt_in(0)("规格型号")
r("材料_大类") = dt_in(0)("材料_大类")
r("材料_中类") = dt_in(0)("材料_中类")

If dt_in(0)("月份") < s Then '之前月
sum_prev_count = sum_prev_count + dt_in(0)("数量")
sum_prev_money = sum_prev_money + dt_in(0)("不含税金额")
Else If dt_in(0)("月份") = s Then '本月份
sum_curr_money = sum_curr_money + dt_in(0)("不含税金额")
sum_curr_count = sum_curr_count + dt_in(0)("数量")
End If

For i As Single = 1 To dt_in.Count - 1 '写入型号和规格,同时统计入仓数量和金额
If dt_in(i)("材料编号") <> dt_in(i-1)("材料编号") OrElse dt_in(i)("材料名称") <> dt_in(i-1)("材料名称") OrElse dt_in(i)("规格型号") <> dt_in(i-1)("规格型号") OrElse dt_in(i)("材料_大类") <> dt_in(i-1)("材料_大类") OrElse dt_in(i)("材料_中类") <> dt_in(i-1)("材料_中类") Then '不同产品
r("本月入库_数量") = sum_curr_count
r("本月入库_不含税金额") = sum_curr_money
r("月初结存_数量") = sum_prev_count '暂存
r("月初结存_不含税金额") = sum_prev_money '暂存

r = Tables("材料月结").AddNew '插入新数据
r("材料编号") = dt_in(i)("材料编号")
r("材料名称") = dt_in(i)("材料名称")
r("规格型号") = dt_in(i)("规格型号")
r("材料_大类") = dt_in(i)("材料_大类")
r("材料_中类") = dt_in(i)("材料_中类")

sum_curr_money = 0
sum_curr_count = 0
sum_prev_count = 0
sum_prev_money = 0
End If

If dt_in(i)("月份") < s Then '之前月
sum_prev_count = sum_prev_count + dt_in(i)("数量")
sum_prev_money = sum_prev_money + dt_in(i)("不含税金额")
Else If dt_in(i)("月份") = s Then '本月份
sum_curr_money = sum_curr_money + dt_in(i)("不含税金额")
sum_curr_count = sum_curr_count + dt_in(i)("数量")
End If
Next

r("本月入库_数量") = sum_curr_count
r("本月入库_不含税金额") = sum_curr_money
r("月初结存_数量") = sum_prev_count '暂存
r("月初结存_不含税金额") = sum_prev_money '暂存

'MessageBox.Show("复制型号和规格耗时: " & (Date.Now - st).TotalSeconds & "秒")
'st = Date.Now '用于计算时间

For Each dr As DataRow In DataTables("材料月结").DataRows '填充统计数据
sum_curr_count = 0 '累计本月出仓数量
sum_prev_count = 0 '累计之前出仓数量
Dim drs_out As List(Of DataRow)
Dim filter As String = "材料名称 = '" & dr("材料名称") & "' And 规格型号 = '" & dr("规格型号") & "'"
drs_out = DataTables("材料出库明细表").Select(filter, "月份") '排序取出 出仓 全部数据
For Each dr_out As DataRow In drs_out
If dr_out("月份") < s Then
sum_prev_count = sum_prev_count + dr_out("数量")
Else If dr_out("月份") = s Then
sum_curr_count = sum_curr_count + dr_out("数量")
Else
Exit For
End If
Next

Dim sum_in_prev_count As Single = dr("月初结存_数量") '从表中取出暂存数据
Dim sum_in_prev_money As Double = dr("月初结存_不含税金额") '从表中取出暂存数据
dr("本月出库_数量") = sum_curr_count
dr("月初结存_数量") = sum_in_prev_count - sum_prev_count
dr("月初结存_不含税金额") = sum_in_prev_money / sum_in_prev_count * dr("月初结存_数量")

dr("加权平均单价") = (dr("月初结存_不含税金额") + dr("本月入库_不含税金额"))/(dr("月初结存_数量") + dr("本月入库_数量"))
dr("月末结存_数量") = dr("月初结存_数量") + dr("本月入库_数量") - dr("本月出库_数量")

dr("月末结存_不含税金额") = dr("加权平均单价") * dr("月末结存_数量")
dr("本月出库_不含税金额") = dr("加权平均单价") * dr("本月出库_数量")
Next
Tables("材料月结").ResumeRedraw()
End If