market.vb

大型数据库系统程序球员转会系统解决方案

Imports System.Data
Imports System.Data.SqlClient
Imports System.IO
Public Class market
    Inherits System.Windows.Forms.Form
    Dim temprow As Integer
    Dim tempname As String
    Dim myconnection As SqlConnection = New _
    SqlConnection("server=(local);database=footballplayer_change;" & _
    "uid=sa;pwd=sa;")
    Dim myadapter As SqlDataAdapter = New SqlDataAdapter()
    Dim myds As DataSet
    Dim mydv As DataView
    Dim mycurrencymanager As CurrencyManager
    Private Sub filldatasetandview()
        myds = New DataSet()
        Try
            myadapter.Fill(myds, "willingtosell")
        Catch ex As Exception
            MsgBox(ex.ToString)
        End Try
        mydv = New DataView(myds.Tables("willingtosell"))
        mycurrencymanager = CType(Me.BindingContext(mydv), CurrencyManager)
    End Sub
    Private Sub bindfields()
        playerlist.DataSource = myds
        playerlist.DataMember = "willingtosell"
    End Sub

#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

    '窗体重写处置以清理组件列表。
    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 playerlist As System.Windows.Forms.DataGrid
    Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents price As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(market))
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.playerlist = New System.Windows.Forms.DataGrid
        Me.GroupBox2 = New System.Windows.Forms.GroupBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.Label1 = New System.Windows.Forms.Label
        Me.price = New System.Windows.Forms.TextBox
        Me.GroupBox1.SuspendLayout()
        CType(Me.playerlist, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.GroupBox2.SuspendLayout()
        Me.SuspendLayout()
        '
        'GroupBox1
        '
        Me.GroupBox1.Controls.Add(Me.playerlist)
        Me.GroupBox1.Location = New System.Drawing.Point(8, 40)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(208, 225)
        Me.GroupBox1.TabIndex = 0
        Me.GroupBox1.TabStop = False
        '
        'playerlist
        '
        Me.playerlist.DataMember = ""
        Me.playerlist.HeaderForeColor = System.Drawing.SystemColors.ControlText
        Me.playerlist.Location = New System.Drawing.Point(8, 24)
        Me.playerlist.Name = "playerlist"
        Me.playerlist.Size = New System.Drawing.Size(192, 192)
        Me.playerlist.TabIndex = 0
        '
        'GroupBox2
        '
        Me.GroupBox2.Controls.Add(Me.Button1)
        Me.GroupBox2.Controls.Add(Me.Label1)
        Me.GroupBox2.Controls.Add(Me.price)
        Me.GroupBox2.Location = New System.Drawing.Point(272, 40)
        Me.GroupBox2.Name = "GroupBox2"
        Me.GroupBox2.Size = New System.Drawing.Size(200, 225)
        Me.GroupBox2.TabIndex = 1
        Me.GroupBox2.TabStop = False
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(128, 128)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(64, 24)
        Me.Button1.TabIndex = 2
        Me.Button1.Text = "确定"
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(32, 32)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(160, 24)
        Me.Label1.TabIndex = 1
        Me.Label1.Text = "请输入您的标价："
        '
        'price
        '
        Me.price.Location = New System.Drawing.Point(40, 72)
        Me.price.Name = "price"
        Me.price.Size = New System.Drawing.Size(152, 21)
        Me.price.TabIndex = 0
        Me.price.Text = ""
        '
        'market
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.BackgroundImage = CType(resources.GetObject("$this.BackgroundImage"), System.Drawing.Image)
        Me.ClientSize = New System.Drawing.Size(512, 349)
        Me.Controls.Add(Me.GroupBox2)
        Me.Controls.Add(Me.GroupBox1)
        Me.Name = "market"
        Me.Text = "market"
        Me.GroupBox1.ResumeLayout(False)
        CType(Me.playerlist, System.ComponentModel.ISupportInitialize).EndInit()
        Me.GroupBox2.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub GroupBox1_Enter(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles GroupBox1.Enter

    End Sub

    Private Sub market_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        myds = New DataSet()
        myadapter.SelectCommand = New SqlCommand()
        myadapter.SelectCommand.CommandText = "p_willingtosell"
        myadapter.SelectCommand.CommandType = CommandType.StoredProcedure
        ' myadapter.SelectCommand.Parameters.Add()
        myadapter.SelectCommand.Connection = myconnection
        myconnection.Open()
        Try
            myadapter.SelectCommand.ExecuteNonQuery()
        Catch ex As Exception
            ' MsgBox(main.tempuid)
            MsgBox(ex.ToString)
        End Try
        myadapter.Fill(myds, "willingtosell")
        myconnection.Close()
        bindfields()
    End Sub

    Private Sub DataGrid1_Navigate(ByVal sender As System.Object, ByVal ne As System.Windows.Forms.NavigateEventArgs) Handles playerlist.Navigate

    End Sub

    Private Sub playerlist_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles playerlist.Click
        
        temprow = playerlist.CurrentRowIndex()
        MsgBox(temprow)
        tempname = myds.Tables("willingtosell").Rows(temprow).Item(0)
        MsgBox(tempname)
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        If tempname = "" Then
            MsgBox("请选择球员")
        Else
            Dim cost As Double
            cost = price.Text
            'Dim myadapter As SqlDataAdapter = New SqlDataAdapter()
            myadapter.SelectCommand = New SqlCommand()
            myadapter.SelectCommand.CommandText = "p_buying"
            myadapter.SelectCommand.CommandType = CommandType.StoredProcedure
            myadapter.SelectCommand.Parameters.Add("@playername", tempname)
            myadapter.SelectCommand.Parameters.Add("@uid", main.tempuid)
            myadapter.SelectCommand.Parameters.Add("@value", cost)

            myadapter.SelectCommand.Connection = myconnection
            myconnection.Open()
            Try
                myadapter.SelectCommand.ExecuteNonQuery()
                ' myadapter.Fill(myds, "willingtosell")
            Catch ex As Exception
                ' MsgBox(main.tempuid)
                MsgBox(ex.ToString)
            End Try
            myconnection.Close()
        End If
    End Sub
End Class