changpassword.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 ChangPassword
    Inherits System.Windows.Forms.Form

    Dim ObjLogin As New Login
    'Dim newPaw As String
    ' Dim userName 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 GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    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 TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox4 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Button3 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.TextBox1 = New System.Windows.Forms.TextBox
        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.TextBox2 = New System.Windows.Forms.TextBox
        Me.TextBox3 = New System.Windows.Forms.TextBox
        Me.TextBox4 = New System.Windows.Forms.TextBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.Button3 = New System.Windows.Forms.Button
        Me.GroupBox1.SuspendLayout()
        Me.SuspendLayout()
        '
        'GroupBox1
        '
        Me.GroupBox1.Controls.Add(Me.TextBox1)
        Me.GroupBox1.Controls.Add(Me.Label1)
        Me.GroupBox1.Location = New System.Drawing.Point(56, 24)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(288, 96)
        Me.GroupBox1.TabIndex = 0
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "用户"
        '
        'TextBox1
        '
        Me.TextBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.TextBox1.Location = New System.Drawing.Point(96, 32)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(104, 21)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        '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 = "用户名："
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(64, 144)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(80, 16)
        Me.Label2.TabIndex = 1
        Me.Label2.Text = "旧密码："
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(64, 184)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(80, 16)
        Me.Label3.TabIndex = 2
        Me.Label3.Text = "新密码："
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(64, 216)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(80, 23)
        Me.Label4.TabIndex = 3
        Me.Label4.Text = "确认密码："
        '
        'TextBox2
        '
        Me.TextBox2.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.TextBox2.Location = New System.Drawing.Point(160, 136)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox2.Size = New System.Drawing.Size(160, 21)
        Me.TextBox2.TabIndex = 4
        Me.TextBox2.Text = ""
        '
        'TextBox3
        '
        Me.TextBox3.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.TextBox3.Location = New System.Drawing.Point(160, 176)
        Me.TextBox3.Name = "TextBox3"
        Me.TextBox3.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox3.Size = New System.Drawing.Size(160, 21)
        Me.TextBox3.TabIndex = 5
        Me.TextBox3.Text = ""
        '
        'TextBox4
        '
        Me.TextBox4.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.TextBox4.Location = New System.Drawing.Point(160, 216)
        Me.TextBox4.Name = "TextBox4"
        Me.TextBox4.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox4.Size = New System.Drawing.Size(160, 21)
        Me.TextBox4.TabIndex = 6
        Me.TextBox4.Text = ""
        '
        'Button1
        '
        Me.Button1.Enabled = False
        Me.Button1.Location = New System.Drawing.Point(96, 272)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(56, 23)
        Me.Button1.TabIndex = 7
        Me.Button1.Text = "确 定"
        '
        'Button2
        '
        Me.Button2.Enabled = False
        Me.Button2.Location = New System.Drawing.Point(192, 272)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(48, 24)
        Me.Button2.TabIndex = 8
        Me.Button2.Text = "重 置"
        '
        'Button3
        '
        Me.Button3.Location = New System.Drawing.Point(272, 272)
        Me.Button3.Name = "Button3"
        Me.Button3.Size = New System.Drawing.Size(48, 23)
        Me.Button3.TabIndex = 9
        Me.Button3.Text = "关 闭"
        '
        'ChangPassword
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(400, 326)
        Me.Controls.Add(Me.Button3)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.TextBox4)
        Me.Controls.Add(Me.TextBox3)
        Me.Controls.Add(Me.TextBox2)
        Me.Controls.Add(Me.Label4)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.GroupBox1)
        Me.MaximizeBox = False
        Me.Name = "ChangPassword"
        Me.Text = "---------修改用户密码"
        Me.GroupBox1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region

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

        TextBox1.Text = ObjLogin.userName

        'userName = TextBox1.Text

        GroupBox1.Enabled = False


    End Sub

    Private Sub TextBox2_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox2.TextChanged

        If TextBox2.Text.Length <> 0 Or TextBox3.Text.Length <> 0 Or TextBox4.Text.Length <> 0 Then

            Button2.Enabled = True
        Else
            Button2.Enabled = False

        End If

        If TextBox2.Text.Length <> 0 And TextBox3.Text.Length <> 0 And TextBox4.Text.Length <> 0 Then
            Button1.Enabled = True
            'Else
            ' MsgBox("密码不能为空。。。。。")
        End If

    End Sub

    Private Sub TextBox3_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox3.TextChanged


        If TextBox2.Text.Length <> 0 Or TextBox3.Text.Length <> 0 Or TextBox4.Text.Length <> 0 Then

            Button2.Enabled = True
        Else
            Button2.Enabled = False

        End If

        If TextBox2.Text.Length <> 0 And TextBox3.Text.Length <> 0 And TextBox4.Text.Length <> 0 Then
            Button1.Enabled = True
            ' Else
            ' MsgBox("密码不能为空。。。。。")
        End If

    End Sub

    Private Sub TextBox4_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox4.TextChanged


        If TextBox2.Text.Length <> 0 Or TextBox3.Text.Length <> 0 Or TextBox4.Text.Length <> 0 Then

            Button2.Enabled = True
        Else
            Button2.Enabled = False

        End If

        If TextBox2.Text.Length <> 0 And TextBox3.Text.Length <> 0 And TextBox4.Text.Length <> 0 Then
            Button1.Enabled = True
            ' Else
            ' MsgBox("密码不能为空。。。。。")
        End If


    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click


        If TextBox2.Text.Length <> 0 & TextBox3.Text.Length <> 0 & TextBox4.Text.Length <> 0 Then

            ' MsgBox(ObjLogin.paw)
            If TextBox3.Text = TextBox4.Text Then

                If TextBox2.Text = ObjLogin.paw Then

                    ' MsgBox("密码一致")

                    Try
                        myConnStr = connstr()
                        myConnetion = New SqlConnection(myConnStr)
                        myConnetion.Open()
                        myCommand = New SqlCommand("UPDATE T_USER SET UPWD = @newPaw " & _
                             "WHERE UNAME = @userName", myConnetion)

                        myCommand.Parameters.Add("@newPaw", SqlDbType.VarChar, 6, "UPWD")
                        myCommand.Parameters("@newPaw").Value = TextBox4.Text

                        myCommand.Parameters.Add("@userName", SqlDbType.VarChar, 10, "UNAME")
                        myCommand.Parameters("@userName").Value = TextBox1.Text

                        myDataAdapter.UpdateCommand = myCommand

                        'myDataAdapter.Update(myDataSet, "T_USER")
                        Dim i As Integer

                        i = myCommand.ExecuteNonQuery()
                        'MsgBox("i is :" & i)
                        myConnetion.Close()

                        MsgBox("修改成功!!!")

                        TextBox3.Clear()
                        TextBox4.Clear()
                    Catch ex As Exception
                        MsgBox("修改失败。。。。")
                    End Try

                Else

                    MsgBox("您输入的密码错误。。。。。。")

                End If
            Else
                MsgBox("错误！!" & Chr(10) & "您输入的两次密码不一致。。。。")
            End If


        Else

            MsgBox("密码不能为空。。。。。")

        End If

    End Sub


    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click

        Me.Close()

    End Sub

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

        TextBox2.Clear()
        TextBox3.Clear()
        TextBox4.Clear()

    End Sub


End Class