frmpingheng.vb

vb.net+SQL开发工具 是一个很好的管理系统的源码

Public Class frmPingHeng
    Inherits System.Windows.Forms.Form
    Private dtTop As DataTable
    Private dtBottom As DataTable

#Region " Windows 窗体设计器生成的代码 "

    Public Sub New()
        MyBase.New()

        '该调用是 Windows 窗体设计器所必需的。
        InitializeComponent()

        '在 InitializeComponent() 调用之后添加任何初始化

    End Sub

    '窗体重写 dispose 以清理组件列表。
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Windows 窗体设计器所必需的
    Private components As System.ComponentModel.IContainer

    '注意: 以下过程是 Windows 窗体设计器所必需的
    '可以使用 Windows 窗体设计器修改此过程。
    '不要使用代码编辑器修改它。
    Friend WithEvents dgdTop As System.Windows.Forms.DataGrid
    Friend WithEvents dgdBottom As System.Windows.Forms.DataGrid
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(frmPingHeng))
        Me.dgdTop = New System.Windows.Forms.DataGrid
        Me.dgdBottom = New System.Windows.Forms.DataGrid
        CType(Me.dgdTop, System.ComponentModel.ISupportInitialize).BeginInit()
        CType(Me.dgdBottom, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'dgdTop
        '
        Me.dgdTop.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
                    Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
        Me.dgdTop.CaptionVisible = False
        Me.dgdTop.DataMember = ""
        Me.dgdTop.HeaderForeColor = System.Drawing.SystemColors.ControlText
        Me.dgdTop.Location = New System.Drawing.Point(0, 0)
        Me.dgdTop.Name = "dgdTop"
        Me.dgdTop.Size = New System.Drawing.Size(448, 208)
        Me.dgdTop.TabIndex = 0
        '
        'dgdBottom
        '
        Me.dgdBottom.CaptionVisible = False
        Me.dgdBottom.DataMember = ""
        Me.dgdBottom.Dock = System.Windows.Forms.DockStyle.Bottom
        Me.dgdBottom.HeaderForeColor = System.Drawing.SystemColors.ControlText
        Me.dgdBottom.Location = New System.Drawing.Point(0, 209)
        Me.dgdBottom.Name = "dgdBottom"
        Me.dgdBottom.Size = New System.Drawing.Size(448, 64)
        Me.dgdBottom.TabIndex = 1
        '
        'frmPingHeng
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(448, 273)
        Me.Controls.Add(Me.dgdBottom)
        Me.Controls.Add(Me.dgdTop)
        Me.Icon = CType(resources.GetObject("$this.Icon"), System.Drawing.Icon)
        Me.Name = "frmPingHeng"
        Me.Text = "试算平衡表"
        CType(Me.dgdTop, System.ComponentModel.ISupportInitialize).EndInit()
        CType(Me.dgdBottom, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)

    End Sub

#End Region
    Private Sub SetTopDataGrid()
        Dim db As DataBase = New DataBase
        Dim strSQL As String = "select 科目代码,科目名称,(case"
        strSQL += " when 余额方向='借方' then 期初余额 else 0 end -"
        strSQL += " 累计借方) as 期初借方,(case when 余额方向='贷方'"
        strSQL += " then 期初余额 else 0 end - 累计贷方) as 期初贷方,"
        strSQL += "累计借方 as 本期发生借方,累计贷方 as 本期发生贷方,"
        strSQL += "case when 余额方向='借方' then 期初余额 else 0 end as "
        strSQL += "期末借方,case when 余额方向='贷方' then 期初余额 else 0"
        strSQL += " end as 期末贷方 from 帐簿初始化表 where 累计借方<>0 or"
        strSQL += " 累计贷方<>0 or 期初余额<>0"
        dtTop = db.RunSelectSQL(strSQL).Table
        Dim ts As New DataGridTableStyle
        Dim aColumnTextColumn As DataGridTextBoxColumn
        Dim numCols As Integer = dtTop.Columns.Count
        Dim i As Integer
        For i = 0 To numCols - 1
            aColumnTextColumn = New DataGridTextBoxColumn
            aColumnTextColumn.MappingName = _
            dtTop.Columns(i).ColumnName
            aColumnTextColumn.HeaderText = _
            dtTop.Columns(i).ColumnName
            aColumnTextColumn.NullText = ""
            aColumnTextColumn.Width = 60
            aColumnTextColumn.ReadOnly = True
            ts.GridColumnStyles.Add(aColumnTextColumn)
        Next
        ts.AlternatingBackColor = Color.LightGray
        ts.AllowSorting = False
        ts.MappingName = dtTop.TableName
        dgdTop.TableStyles.Add(ts)
        Dim dv As DataView = dtTop.DefaultView
        dv.AllowNew = False
        dv.AllowDelete = False
        dv.AllowEdit = False
        '设置数据源
        dgdTop.DataSource = dtTop.DefaultView
    End Sub

    Private Sub frmPingHeng_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
        SetTopDataGrid()
        CreateDataTalbe()
        CalPingHeng(0)
        SetBottomDataGrid()
    End Sub
    Private Sub CreateDataTalbe()
        '创建数据表
        dtBottom = New DataTable("结果")
        '添加列
        With dtBottom.Columns
            .Add("是否平衡", Type.GetType("System.String"))
            .Add("期初借方合计", Type.GetType("System.String"))
            .Add("期初贷方合计", Type.GetType("System.String"))
            .Add("本期借方合计", Type.GetType("System.String"))
            .Add("本期贷方合计", Type.GetType("System.String"))
            .Add("期末借方合计", Type.GetType("System.String"))
            .Add("期末贷方合计", Type.GetType("System.String"))
        End With
    End Sub
    ' 计算是否平衡并显示出计算结果
    ' nStatus 0 初始化帐簿时计算
    ' 1 正式使用后凭证的计算
    Public Function CalPingHeng(ByVal iStatus As Integer) As Boolean
        Dim bResult As Boolean
        ' 根据不同的状态计算平衡情况
        Dim strSQL As String
        ' 初始化帐簿的试算平衡,需要根据初始化的信息反算期初
        Dim db As DataBase = New DataBase
        If iStatus = 0 Then
            strSQL = "select 科目代码, 科目名称,"
            strSQL += "(case when 余额方向='借方' then 期初余额 "
            strSQL += " else 0 end - 累计借方) as 期初借方,"
            strSQL += "(case when 余额方向='贷方' then 期初余额"
            strSQL += "  else 0 end - 累计贷方) as 期初贷方,"
            strSQL += "累计借方 as 本期发生借方,累计贷方 as 本期发生贷方,"
            strSQL += "case when 余额方向='借方' then 期初余额 "
            strSQL += "else 0 end as 期末借方,"
            strSQL += "case when 余额方向='贷方' then 期初余额 "
            strSQL += " else 0 end as 期末贷方 "
            strSQL += " from 帐簿初始化表 "
            strSQL += " where 累计借方<>0 or 累计贷方<>0 or 期初余额<>0"
            dgdTop.DataSource = db.RunSelectSQL(strSQL)
            ' 计算合计金额,用于判断是否平衡
            strSQL = "select "
            strSQL += "sum(case when 余额方向='借方' "
            strSQL += " then 期初余额 else 0 end-累计借方) as 期初借方合计,"
            strSQL += "sum(case when 余额方向='贷方' "
            strSQL += " then 期初余额 else 0 end-累计贷方) as 期初贷方合计,"
            strSQL += "sum(累计借方) as 本期借方合计,sum(累计贷方) "
            strSQL += "as 本期贷方合计,"
            strSQL += "sum(case when 余额方向='借方' then  "
            strSQL += "期初余额 else 0 end) as 期末借方合计,"
            strSQL += "sum(case when 余额方向='贷方' then  "
            strSQL += " 期初余额 else 0 end) as 期末贷方合计"
            strSQL += " from 帐簿初始化表 "
            strSQL += " where 累计借方<>0 or 累计贷方<>0 or 期初余额<>0"
            Dim dv As DataView = db.RunSelectSQL(strSQL)
            bResult = AddToDataTable(dv)
        Else
            strSQL = "select a.科目代码, b.科目名称,"
            strSQL += "(case when a.余额方向='借方' "
            strSQL += " then 期初余额 else 0 end ) as 期初借方,"
            strSQL += "(case when a.余额方向='贷方' "
            strSQL += " then 期初余额 else 0 end) as 期初贷方,"
            strSQL += "本期借方合计 as 本期发生借方, 本期贷方合计 "
            strSQL += "as 本期发生贷方,"
            strSQL += "case when a.余额方向='借方' then 余额 else 0 end "
            strSQL += "as 期末借方,"
            strSQL += "case when a.余额方向='贷方' then 余额 else 0 end "
            strSQL += "as 期末贷方"
            strSQL += " from 本期汇总账簿 as a, 科目表 as b  "
            strSQL += " where a.科目代码 = b.科目代码 and (本期借方合计<> 0"
            strSQL += " or 本期贷方合计<>0 or 期初余额<>0 or 余额<>0)"
            Dim dvTemp As DataView = db.RunSelectSQL(strSQL)
            dvTemp.AllowEdit = False
            dvTemp.AllowDelete = False
            dvTemp.AllowNew = False
            dgdTop.DataSource = dvTemp
            strSQL = "select "
            strSQL += "sum(case when 余额方向='借方' then 期初余额 else 0 end)"
            strSQL += " as 期初借方合计,"
            strSQL += "sum(case when 余额方向='贷方' then 期初余额 else 0 end)"
            strSQL += " as 期初贷方合计,"
            strSQL += "sum(本期借方合计) as 本期借方合计,sum(本期贷方合计) "
            strSQL += "as 本期贷方合计,"
            strSQL += "sum(case when 余额方向='借方' then 余额 else 0 end) "
            strSQL += "as 期末借方合计,"
            strSQL += "sum(case when 余额方向='贷方' then 余额 else 0 end) "
            strSQL += "as 期末贷方合计"
            strSQL += " from 本期汇总账簿 "
            strSQL += " where 本期借方合计<> 0 or 本期贷方合计<>0 or "
            strSQL += "期初余额<>0 or 余额<>0"
            Dim dv As DataView = db.RunSelectSQL(strSQL)
            bResult = AddToDataTable(dv)
            Me.dgdBottom.DataSource = dtBottom
        End If
        db.Dispose()
        Return bResult
    End Function
    Private Sub SetBottomDataGrid()
        Dim ts As New DataGridTableStyle
        Dim aColumnTextColumn As DataGridTextBoxColumn
        Dim numCols As Integer = dtBottom.Columns.Count
        Dim i As Integer
        For i = 0 To numCols - 1
            aColumnTextColumn = New DataGridTextBoxColumn
            aColumnTextColumn.MappingName = _
            dtBottom.Columns(i).ColumnName
            aColumnTextColumn.HeaderText = _
            dtBottom.Columns(i).ColumnName
            aColumnTextColumn.NullText = ""
            aColumnTextColumn.Width = 80
            aColumnTextColumn.ReadOnly = True
            ts.GridColumnStyles.Add(aColumnTextColumn)
        Next
        ts.AlternatingBackColor = Color.LightGray
        ts.AllowSorting = False
        ts.MappingName = dtBottom.TableName
        dgdBottom.TableStyles.Add(ts)
        Dim dv As DataView = dtBottom.DefaultView
        dv.AllowNew = False
        dv.AllowDelete = False
        dv.AllowEdit = False
        '设置数据源
        dgdBottom.DataSource = dtBottom.DefaultView
    End Sub
    Private Function AddToDataTable(ByRef dv As DataView) As Boolean
        '判断dtBottom是否初始化
        If dtBottom Is Nothing Then
            CreateDataTalbe()
        End If
        Dim bResult As Boolean
        '清空数据表的内容
        dtBottom.Rows.Clear()
        Dim dr As DataRow = dtBottom.NewRow()
        '获取一行数据
        Try
            dr("期初借方合计") = SetText(dv.Item(0)("期初借方合计"))
            dr("期初贷方合计") = SetText(dv.Item(0)("期初贷方合计"))
            dr("本期借方合计") = SetText(dv.Item(0)("本期借方合计"))
            dr("本期贷方合计") = SetText(dv.Item(0)("本期贷方合计"))
            dr("期末借方合计") = SetText(dv.Item(0)("期末借方合计"))
            dr("期末贷方合计") = SetText(dv.Item(0)("期末贷方合计"))
        Catch ex As Exception
            MessageBox.Show(ex.ToString)
        End Try
        dr("期初借方合计") = SetText(dv.Item(0)("期初借方合计"))
        '判断是否平衡
        If SetText(dv.Item(0)("期初借方合计")) _
        <> SetText(dv.Item(0)("期初贷方合计")) Or _
        SetText(dv.Item(0)("本期借方合计")) _
        <> SetText(dv.Item(0)("本期贷方合计")) Or _
        SetText(dv.Item(0)("期末借方合计")) _
        <> SetText(dv.Item(0)("期末贷方合计")) Then
            dr("是否平衡") = "不平衡"
            bResult = False
        Else
            dr("是否平衡") = "平衡"
            bResult = True
        End If
        dtBottom.Rows.Add(dr)
        Return bResult
    End Function
    Private Function SetText(ByVal obj As Object) As String
        If obj Is Nothing Then
            Return ""
        Else
            Return obj.ToString()
        End If
    End Function
End Class