frmselectproduct.vb

生产管理系统。vb.net sql2

Public Class frmSelect
    Inherits 生产管理系统.frmBase
    Private dvResult As DataView
    Private gridMouseDownTime As DateTime = New DateTime
#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。
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        '
        'frmSelect
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(536, 273)
        Me.Name = "frmSelect"

    End Sub

#End Region
    Public Overrides Sub Prepare()
        Me.Text = "选择物料（双击选取数据）"
        Me.ToolBar1.Visible = False
        'Me.grbDetail.Visible = False
        Me.dgdList.Dock = DockStyle.Fill
    End Sub
    Public Overrides Sub SearchResult()
        '加载数据
        LoadData()
        '设置数据源
        dgdList.DataSource = dvResult
    End Sub
    Public Overrides Sub SetDataGrid()
        '获得数据
        LoadData()
        '定义DataGridTableStyle
        Dim ts As New DataGridTableStyle
        Dim aColumnTextColumn As DataGridTextBoxColumn
        Dim numCols As Integer = dvResult.Table.Columns.Count
        Dim i As Integer
        For i = 0 To numCols - 1
            aColumnTextColumn = New DataGridTextBoxColumn
            aColumnTextColumn.MappingName = _
            dvResult.Table.Columns(i).ColumnName
            aColumnTextColumn.HeaderText = _
            dvResult.Table.Columns(i).ColumnName
            aColumnTextColumn.NullText = ""
            '为列样式对应的TextBox添加事件响应
            '为DataGrid单元格支持双击双击添加事件响应
            AddHandler aColumnTextColumn.TextBox.MouseDown, _
            New MouseEventHandler(AddressOf DGDoubleClick)
            AddHandler aColumnTextColumn.TextBox.DoubleClick, _
            New EventHandler(AddressOf dgdList_DoubleClick)
            ts.GridColumnStyles.Add(aColumnTextColumn)
        Next
        ts.AlternatingBackColor = Color.LightGray
        ts.MappingName = dvResult.Table.TableName
        dgdList.TableStyles.Add(ts)
        dgdList.DataSource = dvResult
    End Sub
    Private Sub LoadData()
        Dim strSQL As String = "select * from 物料主文件"
        Dim db As DataBase = New DataBase
        dvResult = db.RunSelectSQL(strSQL)
        dvResult.AllowDelete = False
        dvResult.AllowNew = False
        dvResult.AllowEdit = False
        db.Dispose()
    End Sub

    Private Sub DGDoubleClick(ByVal sender As Object, ByVal e As MouseEventArgs)
        '判断两次单击时间是否小于双击的时间间隔
        If (DateTime.Now < gridMouseDownTime.AddMilliseconds(SystemInformation.DoubleClickTime)) Then
            '两次单击时间小于双击的时间间隔则调用dgdGoodInfo双击处理函数
            Me.dgdList_DoubleClick(Nothing, Nothing)
        End If
    End Sub

    Private Sub dgdList_DoubleClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles dgdList.DoubleClick
        Me.Close()
    End Sub

    Private Sub dgdList_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles dgdList.MouseDown
        '记住在dgdGoodInfo点下鼠标的时间
        gridMouseDownTime = DateTime.Now
    End Sub

    Public Function GetInfo() As String
        Dim sReturn As String
        '获得DataGrid当前被选中的行号
        Dim iRow As Integer = dgdList.CurrentRowIndex
        Dim sId, sName As String
        '获取DataGrid当前被选中的行的内容
        sId = dvResult.Table.Rows(iRow)("物料编号").ToString()
        sName = dvResult.Table.Rows(iRow)("物料名称").ToString()
        sReturn = sId.Trim + "|" + sName.Trim
        Return sReturn
    End Function
End Class