connectsqlserver.vb

SQL Server 业已成为最为流行的几大数据库之一

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''ch07 示例3
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Imports Microsoft.SqlServer.Management.Smo
Imports AccessServerWithSMO
Imports AccessServerWithSMO.RestoreForm

Public Class ConnectSqlServer
    Dim objServers As Data.DataTable
    Dim rowOfServers As DataRow
    Dim cServer As Server

    Dim cDatabase As New AccessServerWithSMO.AsscessDatabase

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

        objServers = SmoApplication.EnumAvailableSqlServers(False)

        For Each rowOfServers In objServers.Rows

            Dim ServerName As String
            ServerName = rowOfServers("Server").ToString

            If cbServerList.Items.IndexOf(ServerName) < 0 Then
                cbServerList.Items.Add(ServerName)
            End If
        Next

    End Sub

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

        lbDbList.Items.Clear()
        Try
            cServer = New Server(cbServerList.Text.Trim)
            cServer.ConnectionContext.LoginSecure = False
            cServer.ConnectionContext.Login = "sa"
            cServer.ConnectionContext.Password = "19zhoulian7172"
            cServer.ConnectionContext.Connect()

            MsgBox("成功与指定服务器连接")
            Dim dbInServer As Database
            For Each dbInServer In cServer.Databases
                lbDbList.Items.Add(dbInServer.Name.ToString)
            Next
        Catch ex As SmoException

            MsgBox("连接数据库服务器错误--smo对象错误:" + ex.Message.ToString)

        Catch ex As Exception

            MsgBox("连接数据库服务器错误--smo对象错误:" + ex.Message.ToString)

        End Try
        

        
    End Sub

    Private Sub btTbInfo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btTbInfo.Click

        cDatabase.aDatabase = cServer.Databases(lbDbList.Text.Trim)
        cDatabase.aServer = cServer
        cDatabase.ShowDialog()

    End Sub

    Private Sub ConnectSqlServer_FormClosed(ByVal sender As System.Object, ByVal e As System.Windows.Forms.FormClosedEventArgs) Handles MyBase.FormClosed

        cDatabase = Nothing
        cServer = Nothing
    End Sub

    Private Sub btAddJop_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btAddJop.Click

        Dim JobForm As New AccessServerWithSMO.NewJobs
        JobForm.nserver = cServer
        JobForm.database = lbDbList.Text.Trim
        JobForm.ShowDialog()

    End Sub
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    ''ch10 示例8
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    Private Sub btBackup_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btBackup.Click

        If lbDbList.Text = "" Then
            Dim bkp As Backup = New Backup()
            bkp.Action = BackupActionType.Database
            bkp.Database = lbDbList.Text
            Dim Devices As String
            Devices = "D:\Sqldemo\" + lbDbList.Text + ".bak"
            Dim bdi As New BackupDeviceItem(Devices, DeviceType.File)
            bkp.Devices.Add(bdi)
            bkp.SqlBackup(cServer)
            MsgBox("备份完毕")
        End If

    End Sub

    Private Sub btRestore_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btRestore.Click

        Dim mRestoreForm As New AccessServerWithSMO.RestoreForm
        mRestoreForm.rServer = cServer
        mRestoreForm.ShowDialog()
    End Sub
End Class