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mysql数据源的问题

问题一：表中的内置录入没有，比如日期，数字的内置录入，要如何实现日期，数字的内置录入？

问题二：专业报表连接打印，无法实现按选中的数据打印，出现全部打印，如何实现按选中的数据打印？

Dim doc As New Printdoc

Dim rx As prt.RenderText

Dim rt As prt.RenderTable

Dim Rows As List(Of DataRow)

Dim tbl As Table = Tables("销售主表")

For i As Integer = tbl.TopRow To tbl.BottomRow

rx = New prt.RenderText

' rx.BreakBefore = prt.BreakEnum.Page '另起一页再打印

rx.Style.FontSize = 14

rx.Style.FontBold = True

rx.Style.Spacing.Bottom = 5

rx.Text = "公司名称: " & Tables("销售主表").Rows(i)("公司名称")

doc.Body.Children.Add(rx)

rt = New prt.RenderTable

rt.Style.TextAlignHorz = prt.AlignHorzEnum.Center

rt.Style.TextAlignVert = prt.AlignVertEnum.Center

rt.Style.Borders.Bottom = New prt.LineDef(0.3, Color.LightGray)

rt.CellStyle.Spacing.All = 1

rt.Cols.Count = 4

rt.Cells(0, 0).Text = "产品"

rt.Cells(0, 1).Text = "客户"

rt.Cells(0, 2).Text = "雇员"

rt.Cells(0, 3).Text = "单价"

rt.Cells(0, 4).Text = "折扣"

rt.Cells(0, 5).Text = "数量"

rt.rows(0).Style.Borders.Top = New prt.LineDef(1, Color.LightGray)

rt.rows(0).Style.Borders.Bottom = New prt.LineDef(1, Color.LightGray)

Rows = DataTables("销售明细").select("客户='" & Tables("销售主表").Rows(i)("公司名称") & "'")

For r As Integer = 0 To Rows.Count - 1

rt.Cells(r + 1, 0).Text = rows(r)("产品")

rt.Cells(r + 1, 1).Text = rows(r)("客户")

rt.Cells(r + 1, 2).Text = rows(r)("雇员")

rt.Cells(r + 1, 3).Text = rows(r)("单价")

rt.Cells(r + 1, 4).Text = rows(r)("折扣")

rt.Cells(r + 1, 4).Text = rows(r)("数量")

doc.Body.Children.Add(rt)

rx = New prt.RenderText

rx.Style.FontBold = True

rx.Style.Spacing.Top = 3

rx.Text = "销售明细数目: " & Rows.Count

rx.Style.TextAlignHorz = prt.AlignHorzEnum.Right

doc.Body.Children.Add(rx)

doc.Preview

[此贴子已经被作者于2023/10/31 8:42:08编辑过]

主题：mysql数据源的问题