scyh.vb

不知道怎么用

Imports System.Data
Imports System.Data.SqlClient
Public Class scyh
    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 Label1 As System.Windows.Forms.Label
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents AxNiceButton1 As AxNiceFormControl.AxNiceButton
    Friend WithEvents AxNiceButton2 As AxNiceFormControl.AxNiceButton
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(scyh))
        Me.Label1 = New System.Windows.Forms.Label
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.AxNiceButton1 = New AxNiceFormControl.AxNiceButton
        Me.AxNiceButton2 = New AxNiceFormControl.AxNiceButton
        CType(Me.AxNiceButton1, System.ComponentModel.ISupportInitialize).BeginInit()
        CType(Me.AxNiceButton2, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(-24, 16)
        Me.Label1.Name = "Label1"
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "用户名："
        Me.Label1.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(96, 16)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(120, 21)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        'AxNiceButton1
        '
        Me.AxNiceButton1.Location = New System.Drawing.Point(44, 64)
        Me.AxNiceButton1.Name = "AxNiceButton1"
        Me.AxNiceButton1.OcxState = CType(resources.GetObject("AxNiceButton1.OcxState"), System.Windows.Forms.AxHost.State)
        Me.AxNiceButton1.Size = New System.Drawing.Size(56, 24)
        Me.AxNiceButton1.TabIndex = 2
        '
        'AxNiceButton2
        '
        Me.AxNiceButton2.Location = New System.Drawing.Point(140, 64)
        Me.AxNiceButton2.Name = "AxNiceButton2"
        Me.AxNiceButton2.OcxState = CType(resources.GetObject("AxNiceButton2.OcxState"), System.Windows.Forms.AxHost.State)
        Me.AxNiceButton2.Size = New System.Drawing.Size(56, 24)
        Me.AxNiceButton2.TabIndex = 3
        '
        'scyh
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(240, 110)
        Me.Controls.Add(Me.AxNiceButton2)
        Me.Controls.Add(Me.AxNiceButton1)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.Label1)
        Me.Icon = CType(resources.GetObject("$this.Icon"), System.Drawing.Icon)
        Me.MaximizeBox = False
        Me.Name = "scyh"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "删除用户"
        CType(Me.AxNiceButton1, System.ComponentModel.ISupportInitialize).EndInit()
        CType(Me.AxNiceButton2, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)

    End Sub

#End Region
    Private Shared m_Form As New scyh
    Public Shared ReadOnly Property NewForm() As scyh
        Get
            If m_Form Is Nothing OrElse m_Form.IsDisposed Then
                m_Form = New scyh
            End If
            Return m_Form
        End Get
    End Property


    Private Sub AxNiceButton2_ClickEvent(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AxNiceButton2.ClickEvent
        Me.Close()
    End Sub

    Private Sub AxNiceButton1_ClickEvent(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AxNiceButton1.ClickEvent
        Try
            Dim conn As New SqlConnection(Me.Tag)
            conn.Open()
            Dim cmd As New SqlCommand("delete from 用户表 where 用户名='" + Me.TextBox1.Text + "'", conn)
            Dim reader As SqlDataReader
            reader = cmd.ExecuteReader
            conn.Close()
            MsgBox("修改成功！")
            Me.TextBox1.Text = ""
            Me.TextBox1.Focus()
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try
    End Sub
End Class