frmshowmaxau.vb

The Management Information System of Library using .NET

Imports System.Data.SqlClient
Public Class frmShowMaxAu
    Inherits library.frmBase

#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 dbg As System.Windows.Forms.DataGrid
    Friend WithEvents btnGet As System.Windows.Forms.Button
    Friend WithEvents btnExit As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.dbg = New System.Windows.Forms.DataGrid
        Me.btnGet = New System.Windows.Forms.Button
        Me.btnExit = New System.Windows.Forms.Button
        CType(Me.dbg, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'dbg
        '
        Me.dbg.AllowNavigation = False
        Me.dbg.BackColor = System.Drawing.SystemColors.Info
        Me.dbg.BackgroundColor = System.Drawing.SystemColors.Control
        Me.dbg.CaptionVisible = False
        Me.dbg.DataMember = ""
        Me.dbg.Dock = System.Windows.Forms.DockStyle.Top
        Me.dbg.ForeColor = System.Drawing.Color.Red
        Me.dbg.HeaderForeColor = System.Drawing.SystemColors.ControlText
        Me.dbg.Location = New System.Drawing.Point(0, 0)
        Me.dbg.Name = "dbg"
        Me.dbg.ReadOnly = True
        Me.dbg.Size = New System.Drawing.Size(714, 336)
        Me.dbg.TabIndex = 0
        Me.dbg.TabStop = False
        '
        'btnGet
        '
        Me.btnGet.Location = New System.Drawing.Point(260, 352)
        Me.btnGet.Name = "btnGet"
        Me.btnGet.Size = New System.Drawing.Size(80, 24)
        Me.btnGet.TabIndex = 1
        Me.btnGet.Text = "获取"
        '
        'btnExit
        '
        Me.btnExit.Location = New System.Drawing.Point(380, 352)
        Me.btnExit.Name = "btnExit"
        Me.btnExit.TabIndex = 2
        Me.btnExit.Text = "退出"
        '
        'frmShowMaxAu
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(714, 387)
        Me.Controls.Add(Me.btnExit)
        Me.Controls.Add(Me.btnGet)
        Me.Controls.Add(Me.dbg)
        Me.Name = "frmShowMaxAu"
        Me.Text = "显示所有超期的读者信息"
        CType(Me.dbg, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub btnGet_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGet.Click
        Dim cn As New SqlConnection(cnstr)
        Dim cmd As SqlCommand
        Dim da As SqlDataAdapter
        Dim ds As New DataSet

        cn = New SqlConnection(cnstr)
        cmd = New SqlCommand
        With cmd
            .CommandType = CommandType.StoredProcedure
            .CommandText = "SelectMaxDateAuList"
            .Connection = cn
        End With
       
        da = New SqlDataAdapter(cmd)

        Try
            da.Fill(ds)
            Me.dbg.DataSource = ds.Tables(0)
        Catch ex As Exception
            MessageBox.Show(ex.Message, "error", MessageBoxButtons.OK, MessageBoxIcon.Stop)
        Finally
            cn.Close()
            If Not cn Is Nothing Then
                cn.Dispose()
            End If
        End Try

    End Sub

    Private Sub btnExit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExit.Click
        Me.DialogResult = DialogResult.OK
    End Sub
End Class