登陆.vb

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Public Class Frmlogin
    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 Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label1 As System.Windows.Forms.Label
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label1 = New System.Windows.Forms.Label
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.Button1.BackColor = System.Drawing.Color.Transparent
        Me.Button1.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.Button1.Location = New System.Drawing.Point(56, 136)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(64, 23)
        Me.Button1.TabIndex = 3
        Me.Button1.Text = "登 陆(&O)"
        Me.Button1.TextAlign = System.Drawing.ContentAlignment.TopCenter
        '
        'Button2
        '
        Me.Button2.BackColor = System.Drawing.Color.Transparent
        Me.Button2.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.Button2.Location = New System.Drawing.Point(144, 136)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(64, 23)
        Me.Button2.TabIndex = 4
        Me.Button2.Text = "取 消(&E)"
        Me.Button2.TextAlign = System.Drawing.ContentAlignment.TopCenter
        '
        'TextBox2
        '
        Me.TextBox2.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.TextBox2.Location = New System.Drawing.Point(104, 96)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox2.Size = New System.Drawing.Size(128, 21)
        Me.TextBox2.TabIndex = 2
        Me.TextBox2.Text = ""
        '
        'TextBox1
        '
        Me.TextBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.TextBox1.Location = New System.Drawing.Point(104, 48)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(128, 21)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        'Label2
        '
        Me.Label2.AutoSize = True
        Me.Label2.BackColor = System.Drawing.Color.Transparent
        Me.Label2.Font = New System.Drawing.Font("仿宋_GB2312", 15.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Label2.Location = New System.Drawing.Point(40, 96)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(59, 26)
        Me.Label2.TabIndex = 9
        Me.Label2.Text = "密码:"
        '
        'Label1
        '
        Me.Label1.AutoSize = True
        Me.Label1.BackColor = System.Drawing.Color.Transparent
        Me.Label1.Font = New System.Drawing.Font("仿宋_GB2312", 15.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Label1.Location = New System.Drawing.Point(40, 40)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(59, 26)
        Me.Label1.TabIndex = 8
        Me.Label1.Text = "用户:"
        '
        'Frmlogin
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.BackColor = System.Drawing.SystemColors.InactiveCaptionText
        Me.ClientSize = New System.Drawing.Size(294, 180)
        Me.Controls.Add(Me.TextBox2)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Label1)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Fixed3D
        Me.MaximizeBox = False
        Me.Name = "Frmlogin"
        Me.ShowInTaskbar = False
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "登陆"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        'Dim ds As New DataSet
        'sql.DBToDS("select * from Users where UserName='" & TextBox1.Text.Trim & "' and UserPassWord='" & TextBox2.Text & "' ", ds, "Users")
        'If ds.Tables("users").Rows.Count > 0 Then
        '    PwD = TextBox2.Text
        '    user = TextBox1.Text.Trim
        '    Dim frmmain As New FrmMain
        '    frmmain.Show()
        '    Me.Hide()
        'Else
        '    MsgBox("用户名或密码错误!", 48, "登陆")
        '    TextBox2.Text = ""
        'End If
        sql.SQLDataReader("select * from users where UserName='" & TextBox1.Text.Trim & "' and UserPassWord='" & TextBox2.Text & "' ")
        If sql.SQLDR.Read() Then
            Dim frmmain As New FrmMain
            frmmain.Show()
            Me.Hide()
        Else
            MsgBox("用户名或密码错误!", 48, "登陆")
            TextBox2.Text = ""
        End If
        sql.SQLDR.Close()
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        TextBox1.Text = ""
        TextBox2.Text = ""
    End Sub

   
    
End Class