frmedituser.vb

来自「通用学籍管理软件 vb开发access数据库的实例」· VB 代码 · 共 50 行

Public Class FrmEditUser




    Private Sub BtOK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtOK.Click
        If Trim(TxtRealName.Text) = "" Then
            MsgBox("输入的用户真实姓名不能为空！", MsgBoxStyle.Exclamation, "信息框")
            Exit Sub
        End If
        If Trim(TxtPassword.Text) = "" Then
            MsgBox("输入的密码不能为空！", MsgBoxStyle.Exclamation, "信息框")
            Exit Sub
        End If
        User.DelUser(LBUserName.SelectedItem)
        Dim TempUser As New DBUser(LBUserName.SelectedItem, TxtPassword.Text)
        TempUser.RealName = Trim(TxtRealName.Text)
        TempUser.Mod1 = Trim(ComboMod1.Text)
        TempUser.Mod2 = Trim(ComboMod2.Text)
        TempUser.Memo = Trim(TxtMemo.Text)
        User.AddUser(TempUser)
    End Sub

    Private Sub FrmEditUser_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        LBUserName.Items.Clear()
        Dim SQLString As String = "SELECT * FROM tbUser"
        'SQL查询语句
        Dim MSG As String
        Dim UserTable As DataTable = DBOperation.DBOperate(SQLString, MSG)
        Dim UserRow As DataRow
        For Each UserRow In UserTable.Rows
            LBUserName.Items.Add(UserRow("UserName"))
        Next
    End Sub

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

    Private Sub LBUserName_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LBUserName.SelectedIndexChanged
        Dim SQLString As String = "SELECT * FROM tbUser WHERE UserName='" & LBUserName.SelectedItem & "'"
        Dim MSG As String
        Dim UserTable As DataTable = DBOperation.DBOperate(SQLString, MSG)
        TxtRealName.Text = UserTable.Rows(0)("RealName")
        TxtPassword.Text = UserTable.Rows(0)("Password")
        TxtMemo.Text = UserTable.Rows(0)("Memo")
        ComboMod1.Text = UserTable.Rows(0)("Mod1")
        ComboMod2.Text = UserTable.Rows(0)("Mod2")
    End Sub
End Class