frmaulost.vb

The Management Information System of Library using .NET

Imports System.Data.SqlClient
Public Class frmAuLost
    Inherits System.Windows.Forms.Form

#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 GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents MonthCalendar1 As System.Windows.Forms.MonthCalendar
    Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents txtAu_id As library.mytextbox
    Friend WithEvents dbgAuLost As System.Windows.Forms.DataGrid
    Friend WithEvents btnDelLost As System.Windows.Forms.Button
    Friend WithEvents btnAddlost As System.Windows.Forms.Button
    Friend WithEvents Label2 As System.Windows.Forms.Label
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.dbgAuLost = New System.Windows.Forms.DataGrid
        Me.MonthCalendar1 = New System.Windows.Forms.MonthCalendar
        Me.GroupBox2 = New System.Windows.Forms.GroupBox
        Me.btnDelLost = New System.Windows.Forms.Button
        Me.btnAddlost = New System.Windows.Forms.Button
        Me.Label1 = New System.Windows.Forms.Label
        Me.txtAu_id = New library.mytextbox
        Me.Label2 = New System.Windows.Forms.Label
        Me.GroupBox1.SuspendLayout()
        CType(Me.dbgAuLost, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.GroupBox2.SuspendLayout()
        Me.SuspendLayout()
        '
        'GroupBox1
        '
        Me.GroupBox1.Controls.Add(Me.dbgAuLost)
        Me.GroupBox1.Location = New System.Drawing.Point(8, 0)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(568, 280)
        Me.GroupBox1.TabIndex = 0
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "图书证丢失读者列表"
        '
        'dbgAuLost
        '
        Me.dbgAuLost.AllowNavigation = False
        Me.dbgAuLost.BackgroundColor = System.Drawing.SystemColors.Info
        Me.dbgAuLost.CaptionVisible = False
        Me.dbgAuLost.DataMember = ""
        Me.dbgAuLost.Dock = System.Windows.Forms.DockStyle.Fill
        Me.dbgAuLost.ForeColor = System.Drawing.SystemColors.ControlText
        Me.dbgAuLost.HeaderForeColor = System.Drawing.SystemColors.ControlText
        Me.dbgAuLost.Location = New System.Drawing.Point(3, 17)
        Me.dbgAuLost.Name = "dbgAuLost"
        Me.dbgAuLost.ReadOnly = True
        Me.dbgAuLost.Size = New System.Drawing.Size(562, 260)
        Me.dbgAuLost.TabIndex = 0
        '
        'MonthCalendar1
        '
        Me.MonthCalendar1.Location = New System.Drawing.Point(8, 280)
        Me.MonthCalendar1.Name = "MonthCalendar1"
        Me.MonthCalendar1.TabIndex = 1
        '
        'GroupBox2
        '
        Me.GroupBox2.Controls.Add(Me.Label2)
        Me.GroupBox2.Controls.Add(Me.btnDelLost)
        Me.GroupBox2.Controls.Add(Me.btnAddlost)
        Me.GroupBox2.Controls.Add(Me.Label1)
        Me.GroupBox2.Controls.Add(Me.txtAu_id)
        Me.GroupBox2.Location = New System.Drawing.Point(288, 280)
        Me.GroupBox2.Name = "GroupBox2"
        Me.GroupBox2.Size = New System.Drawing.Size(288, 144)
        Me.GroupBox2.TabIndex = 0
        Me.GroupBox2.TabStop = False
        Me.GroupBox2.Text = "事务处理"
        '
        'btnDelLost
        '
        Me.btnDelLost.Enabled = False
        Me.btnDelLost.Location = New System.Drawing.Point(160, 104)
        Me.btnDelLost.Name = "btnDelLost"
        Me.btnDelLost.Size = New System.Drawing.Size(64, 24)
        Me.btnDelLost.TabIndex = 2
        Me.btnDelLost.Text = "解挂"
        '
        'btnAddlost
        '
        Me.btnAddlost.Location = New System.Drawing.Point(56, 104)
        Me.btnAddlost.Name = "btnAddlost"
        Me.btnAddlost.Size = New System.Drawing.Size(64, 24)
        Me.btnAddlost.TabIndex = 1
        Me.btnAddlost.Text = "挂失"
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(16, 64)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(80, 16)
        Me.Label1.TabIndex = 1
        Me.Label1.Text = "图书证号:"
        '
        'txtAu_id
        '
        Me.txtAu_id.Location = New System.Drawing.Point(112, 64)
        Me.txtAu_id.Name = "txtAu_id"
        Me.txtAu_id.Size = New System.Drawing.Size(160, 21)
        Me.txtAu_id.TabIndex = 0
        Me.txtAu_id.Text = ""
        '
        'Label2
        '
        Me.Label2.BackColor = System.Drawing.SystemColors.Info
        Me.Label2.Location = New System.Drawing.Point(16, 24)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(248, 16)
        Me.Label2.TabIndex = 4
        Me.Label2.Text = "在图书证丢失读者列表中单击可以进行定位"
        '
        'frmAuLost
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(584, 429)
        Me.Controls.Add(Me.GroupBox2)
        Me.Controls.Add(Me.MonthCalendar1)
        Me.Controls.Add(Me.GroupBox1)
        Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Fixed3D
        Me.MaximizeBox = False
        Me.MinimizeBox = False
        Me.Name = "frmAuLost"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent
        Me.Text = "图书证挂失管理"
        Me.GroupBox1.ResumeLayout(False)
        CType(Me.dbgAuLost, System.ComponentModel.ISupportInitialize).EndInit()
        Me.GroupBox2.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub frmAuLost_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        databind()
    End Sub
    Function databind()
        Dim cn As New SqlConnection(cnstr)
        Dim da As New SqlDataAdapter
        Dim cmd As New SqlCommand
        Dim ds As New DataSet
        With cmd
            .CommandType = CommandType.StoredProcedure
            .Connection = cn
            .CommandText = "SelectAllLostAu"
        End With
        da.SelectCommand = cmd
        Try
            da.Fill(ds)
            Me.dbgAuLost.DataSource = ds.Tables(0)
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        Finally
            cn.Close()
            If Not cn Is Nothing Then
                cn.Dispose()
            End If
        End Try
    End Function

    Private Sub dbgAuLost_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles dbgAuLost.Click
        If sender.CurrentRowIndex <> -1 Then
            txtAu_id.Text = sender.Item(sender.CurrentRowIndex, 1)
            Me.btnDelLost.Enabled = True
        End If
    End Sub

    Private Sub btnAddlost_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAddlost.Click
        If Me.txtAu_id.Text.Trim = "" Then
            MessageBox.Show("请输入完整信息", "error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation)
            txtAu_id.Focus()
            Exit Sub
        End If
        Dim cn As New SqlConnection(cnstr)
        'Dim da As New SqlDataAdapter
        Dim cmd As New SqlCommand
        'Dim ds As New DataSet
        With cmd
            .CommandType = CommandType.StoredProcedure
            .Connection = cn
            .CommandText = "Insert1aulost"
        End With
        'da.SelectCommand = cmd
        Dim mLost_id As New SqlParameter("@Lost_id", SqlDbType.NVarChar, 50)
        mLost_id.Value = Me.txtAu_id.Text.Trim
        cmd.Parameters.Add(mLost_id)
        Try
            cn.Open()
            cmd.ExecuteNonQuery()
            Me.databind()
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        Finally
            cn.Close()
            If Not cn Is Nothing Then
                cn.Dispose()
            End If
        End Try
    End Sub

    Private Sub btnDelLost_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDelLost.Click
        Dim cn As New SqlConnection(cnstr)
        'Dim da As New SqlDataAdapter
        Dim cmd As New SqlCommand
        'Dim ds As New DataSet
        With cmd
            .CommandType = CommandType.StoredProcedure
            .Connection = cn
            .CommandText = "Delete1aulost"
        End With
        'da.SelectCommand = cmd
        Dim mLost_id As New SqlParameter("@Lost_id", SqlDbType.NVarChar, 50)
        mLost_id.Value = Me.txtAu_id.Text.Trim
        cmd.Parameters.Add(mLost_id)
        Try
            cn.Open()
            cmd.ExecuteNonQuery()
            Me.databind()
            btnDelLost.Enabled = False
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        Finally
            cn.Close()
            If Not cn Is Nothing Then
                cn.Dispose()
            End If
        End Try
    End Sub
End Class