changtype.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 ChangType
    Inherits System.Windows.Forms.Form

    ' Dim changName 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 ComboBox1 As System.Windows.Forms.ComboBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.ComboBox1 = New System.Windows.Forms.ComboBox
        Me.Label1 = New System.Windows.Forms.Label
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.SuspendLayout()
        '
        'ComboBox1
        '
        Me.ComboBox1.Location = New System.Drawing.Point(136, 80)
        Me.ComboBox1.Name = "ComboBox1"
        Me.ComboBox1.Size = New System.Drawing.Size(152, 20)
        Me.ComboBox1.TabIndex = 0
        Me.ComboBox1.Text = "ComboBox1"
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(64, 80)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(64, 24)
        Me.Label1.TabIndex = 1
        Me.Label1.Text = "用户名："
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(96, 128)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(48, 24)
        Me.Button1.TabIndex = 2
        Me.Button1.Text = "删 除"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(208, 128)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(56, 24)
        Me.Button2.TabIndex = 3
        Me.Button2.Text = "取 消"
        '
        'ChangType
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(368, 214)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.Label1)
        Me.Controls.Add(Me.ComboBox1)
        Me.MaximizeBox = False
        Me.Name = "ChangType"
        Me.Text = "---------删除用户"
        Me.ResumeLayout(False)

    End Sub

#End Region

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

        'Login_User()
        For Each userRow In LoginDataSet.Tables("T_USER").Rows

            Me.ComboBox1.Items.Add(userRow("UNAME"))
        Next
        Me.ComboBox1.Text = Me.ComboBox1.Items.Item(0)

    End Sub

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

        Me.Close()


    End Sub

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

        Try

        myConnStr = connstr()
        myConnetion = New SqlConnection(myConnStr)
        myConnetion.Open()
        myCommand = New SqlCommand("DELETE FROM T_USER WHERE UNAME= @changName", myConnetion)

        myCommand.Parameters.Add("@changName", SqlDbType.VarChar, 10, "UNAME")
        myCommand.Parameters("@changName").Value = ComboBox1.Text

        myDataAdapter.UpdateCommand = myCommand

        Dim i As Integer

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

        MsgBox("删除成功!!!")

        Catch ex As Exception
            MsgBox("删除失败。。。。")
        End Try

    End Sub
End Class