datainfor.vb

固定资产管理信息系统,虽然还有些不足,但基本功能已实现!希望大家多多改进!

Imports System.Data
Imports System.Data.SqlClient

Public Class DataInfor
    Inherits System.Windows.Forms.Form

    '数据库连接的信息
    Public Shared server As String
    Public Shared database As String
    Public Shared user As String
    Public Shared password As String


    ' Public Shared StrData As String

#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 Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents ComboBox1 As System.Windows.Forms.ComboBox
    Friend WithEvents ComboBox2 As System.Windows.Forms.ComboBox
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Label1 = New System.Windows.Forms.Label
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label3 = New System.Windows.Forms.Label
        Me.Label4 = New System.Windows.Forms.Label
        Me.ComboBox1 = New System.Windows.Forms.ComboBox
        Me.ComboBox2 = New System.Windows.Forms.ComboBox
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.GroupBox1.SuspendLayout()
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(16, 32)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(80, 23)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = " 服务器名:"
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(16, 80)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(80, 23)
        Me.Label2.TabIndex = 1
        Me.Label2.Text = "数据库名:"
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(16, 120)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(72, 23)
        Me.Label3.TabIndex = 2
        Me.Label3.Text = "用户名:"
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(16, 168)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(64, 23)
        Me.Label4.TabIndex = 3
        Me.Label4.Text = "密 码:"
        '
        'ComboBox1
        '
        Me.ComboBox1.Items.AddRange(New Object() {".", "localhost", "(local)"})
        Me.ComboBox1.Location = New System.Drawing.Point(112, 32)
        Me.ComboBox1.Name = "ComboBox1"
        Me.ComboBox1.Size = New System.Drawing.Size(112, 20)
        Me.ComboBox1.TabIndex = 4
        '
        'ComboBox2
        '
        Me.ComboBox2.Items.AddRange(New Object() {"ASSETSMANAGEDB", "assent", "DB"})
        Me.ComboBox2.Location = New System.Drawing.Point(112, 80)
        Me.ComboBox2.Name = "ComboBox2"
        Me.ComboBox2.Size = New System.Drawing.Size(112, 20)
        Me.ComboBox2.TabIndex = 5
        Me.ComboBox2.Text = "ASSETSMANAGEDB"
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(112, 120)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(112, 21)
        Me.TextBox1.TabIndex = 6
        Me.TextBox1.Text = "sa"
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(112, 168)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.Size = New System.Drawing.Size(112, 21)
        Me.TextBox2.TabIndex = 7
        Me.TextBox2.Text = ""
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(64, 256)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 8
        Me.Button1.Text = "连 接"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(184, 256)
        Me.Button2.Name = "Button2"
        Me.Button2.TabIndex = 9
        Me.Button2.Text = "取 消"
        '
        'GroupBox1
        '
        Me.GroupBox1.Controls.Add(Me.TextBox1)
        Me.GroupBox1.Controls.Add(Me.TextBox2)
        Me.GroupBox1.Controls.Add(Me.Label2)
        Me.GroupBox1.Controls.Add(Me.Label3)
        Me.GroupBox1.Controls.Add(Me.Label4)
        Me.GroupBox1.Controls.Add(Me.ComboBox2)
        Me.GroupBox1.Controls.Add(Me.Label1)
        Me.GroupBox1.Controls.Add(Me.ComboBox1)
        Me.GroupBox1.Location = New System.Drawing.Point(48, 32)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(232, 208)
        Me.GroupBox1.TabIndex = 10
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "连接服务器信息"
        '
        'DataInfor
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(312, 286)
        Me.Controls.Add(Me.GroupBox1)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Name = "DataInfor"
        Me.Text = "DataInfor"
        Me.GroupBox1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        If ComboBox1.Text.Length <> 0 And ComboBox2.Text.Length <> 0 Then
            server = ComboBox1.Text
            database = ComboBox2.Text
            user = TextBox1.Text
            password = TextBox2.Text

        End If

        ' StrData = "data source=" & server & ";user ID=" & user & ";password=" & password & ";Trusted_Connection=yes;Initial Catalog=" & database & ""
        MsgBox(server)
        Dim ObjForm1 As New Form1
        ObjForm1.Show()

        Me.Visible = False
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Me.Close()
    End Sub

    Public Function connLink() As SqlConnection

        Try
            '数据库连接的信息
            Dim server As String
            Dim user As String
            Dim password As String
            Dim database As String

            '通过xml连接数据库
            Dim data As New DataSet
            data.ReadXml("LinkSql.xml")

            Dim dt As DataTable
            Dim dv As DataView
            '开始读取数据
            dt = data.Tables(0)
            '通过数据的视图读取表格内容
            dv = New DataView(dt)
            '获取信息
            server = dt.Rows(0).Item("服务器")
            user = dt.Rows(0).Item("用户名")
            password = dt.Rows(0).Item("密码")
            database = dt.Rows(0).Item("数据库")
            Dim conn As New SqlConnection("data source=" & server & ";user ID=" & user & ";password=" & password & ";database=" & database & "")
            MsgBox(server & user & password & database)
            connLink = conn
        Catch ex As Exception
            MsgBox("找不到你要连接的服务器。。。。")
            ' connLink.Close()
        End Try


    End Function

    Private Sub DataInfor_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub
End Class