Imports Oracle.ManagedDataAccess.Client
Public Class frmConnections

    Private Sub TBDD_CONNECTIONBindingNavigatorSaveItem_Click(sender As Object, e As EventArgs) Handles TBDD_CONNECTIONBindingNavigatorSaveItem.Click
        Try
            Me.Validate()
            Me.TBDD_CONNECTIONBindingSource.EndEdit()
            If Me.MyDataset.TBDD_CONNECTION.GetChanges Is Nothing = False Then
                Me.GEANDERTWERTextBox.Text = Environment.UserName
                Me.TBDD_CONNECTIONBindingSource.EndEdit()
                TBDD_CONNECTIONTableAdapter.Update(MyDataset.TBDD_CONNECTION)
                Me.lblSave.Visible = True
            Else
                Me.lblSave.Visible = False
            End If
        Catch ex As Exception
            MsgBox("Error in Save Connection:" & vbNewLine & ex.Message, MsgBoxStyle.Critical)
        End Try
     
    End Sub

    Private Sub frmConnections_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        'TODO: Diese Codezeile lädt Daten in die Tabelle "MyDataset.TBDD_CONNECTION". Sie können sie bei Bedarf verschieben oder entfernen.
        Me.TBDD_CONNECTIONTableAdapter.Connection.ConnectionString = MyConnectionString

    End Sub
    Sub Load_Conns()
        Try
            Me.TBDD_CONNECTIONTableAdapter.Fill(Me.MyDataset.TBDD_CONNECTION)
        Catch ex As Exception
            MsgBox("Error in Laod Form: " & vbNewLine & ex.Message, MsgBoxStyle.Critical)
        End Try
    End Sub

    Private Sub SQL_PROVIDERComboBox_SelectedIndexChanged(sender As Object, e As EventArgs) Handles SQL_PROVIDERComboBox.SelectedIndexChanged
        If Me.SQL_PROVIDERComboBox.SelectedIndex <> -1 Then
            Me.btnCheck_Con.Visible = True
            CheckBoxwin_aut.Visible = False
            chkOR_ohne_TNS.Visible = False
            Select Case Me.SQL_PROVIDERComboBox.SelectedItem

                Case "MS-SQL"
                    If USER_LANGUAGE = "de-DE" Then
                        Me.lblDataSource.Text = "Datenbank-Server (IP-Adresse oder Name)*:"
                        Me.lblInitialCatalog.Text = "Datenbank-Name:"
                        Me.lblUserId.Text = "UserId:"
                        Me.lblPassword.Text = "Passwort:"
                    Else
                        Me.lblDataSource.Text = "Database-Server (IP-Adress or Name)*:"
                        Me.lblInitialCatalog.Text = "Database-Name:"
                        Me.lblUserId.Text = "UserId:"
                        Me.lblPassword.Text = "Passwort:"
                    End If

                    Me.SERVERTextBox.ReadOnly = False
                    Me.SERVERTextBox.BackColor = System.Drawing.SystemColors.Window
                    Me.SERVERTextBox.Text = ""

                    Me.lblInitialCatalog.Visible = False
                    Me.DATENBANKTextBox.Visible = False
                    Me.cmbInitialCatalog.Visible = True
                    Me.lblDatenbank.Visible = True
                    CheckBoxwin_aut.Visible = True
                Case "Oracle"
                    If USER_LANGUAGE = "de-DE" Then
                        Me.lblDataSource.Text = "IP Oracle-Server:"
                        Me.lblInitialCatalog.Text = "Servicename:"
                        Me.lblUserId.Text = "UserId:"
                        Me.lblPassword.Text = "Passwort:"
                    Else
                        Me.lblDataSource.Text = "IP Oracle-Server:"
                        Me.lblInitialCatalog.Text = "Servicename:"
                        Me.lblUserId.Text = "UserId:"
                        Me.lblPassword.Text = "Password:"
                    End If

                    Me.cmbInitialCatalog.Visible = False
                    Me.SERVERTextBox.ReadOnly = False
                    Me.SERVERTextBox.BackColor = System.Drawing.SystemColors.Window
                    Me.SERVERTextBox.Text = ""
                    Me.lblInitialCatalog.Visible = True
                    Me.DATENBANKTextBox.Visible = True
                    chkOR_ohne_TNS.Visible = True
            End Select

            Me.lblDataSource.Visible = True
            Me.lblUserId.Visible = True
            Me.lblPassword.Visible = True
            Me.SERVERTextBox.Visible = True
            Me.USERNAMETextBox.Visible = True
            Me.PASSWORDTextBox.Visible = True
        Else
            Me.lblDataSource.Visible = False
            Me.lblUserId.Visible = False
            Me.lblPassword.Visible = False
            Me.SERVERTextBox.Visible = False
            Me.USERNAMETextBox.Visible = False
            Me.PASSWORDTextBox.Visible = False
        End If
    End Sub

    Private Sub CheckBoxwin_aut_CheckedChanged(sender As Object, e As EventArgs) Handles CheckBoxwin_aut.CheckedChanged
        If CheckBoxwin_aut.Checked Then
            Me.USERNAMETextBox.Enabled = False
            Me.PASSWORDTextBox.Enabled = False
            Me.USERNAMETextBox.Text = "WINAUTH"
            Me.PASSWORDTextBox.Text = ""
        Else
            Me.USERNAMETextBox.Enabled = True
            Me.PASSWORDTextBox.Enabled = True
            Me.USERNAMETextBox.Text = ""
            Me.PASSWORDTextBox.Text = ""
        End If
    End Sub

    Private Sub chkOR_ohne_TNS_CheckedChanged(sender As Object, e As EventArgs) Handles chkOR_ohne_TNS.CheckedChanged
        If chkOR_ohne_TNS.Checked Then
            Me.BEMERKUNGTextBox.Text = "without tnsnames"
        Else
            Me.BEMERKUNGTextBox.Text = ""
        End If
    End Sub

    Private Sub btnCheck_Con_Click(sender As Object, e As EventArgs) Handles btnCheck_Con.Click
        Dim msg_string As String
        Try
            If Me.SQL_PROVIDERComboBox.SelectedIndex <> -1 Then
                Cursor = Cursors.WaitCursor

                Select Case Me.SQL_PROVIDERComboBox.SelectedItem
                    Case "MS-SQL"
                        Dim con As String
                        If CheckBoxwin_aut.Checked Then
                            con = "Data Source=" & Me.SERVERTextBox.Text & ";Initial Catalog=" & Me.cmbInitialCatalog.Text & ";Trusted_Connection=True;"
                        Else
                            con = "Server=" & Me.SERVERTextBox.Text & ";Database=" & Me.cmbInitialCatalog.Text & ";User Id=" & Me.USERNAMETextBox.Text & ";Password=" & Me.PASSWORDTextBox.Text & ";"
                        End If
                        msg_string = con
                        Dim connection As New SqlClient.SqlConnection(con)
                        connection.Open()
                        Cursor = Cursors.Default


                        If USER_LANGUAGE = "de-DE" Then
                            MsgBox("Die SQL-Server Verbindung wurde erfolgreich aufgebaut!", MsgBoxStyle.Information, "Erfolg:")
                        Else
                            MsgBox("Connection to Server successfully established!", MsgBoxStyle.Information, "Success:")
                        End If


                        My.Settings.Save()
                        'DialogResult = Windows.Forms.DialogResult.OK
                    Case "Oracle"
                        My.Settings.Save()
                        Dim connstr As String
                        Try
                            Dim conn As New OracleConnectionStringBuilder

                            If chkOR_ohne_TNS.Checked Then
                                connstr = "Data Source=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=" & SERVERTextBox.Text & ")(PORT=1521)))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=" & _
                                    DATENBANKTextBox.Text & ")));User Id=" & USERNAMETextBox.Text & ";Password=" & PASSWORDTextBox.Text & ";"
                            Else
                                conn.DataSource = DATENBANKTextBox.Text
                                conn.UserID = USERNAMETextBox.Text
                                conn.Password = PASSWORDTextBox.Text
                                conn.PersistSecurityInfo = True
                                conn.ConnectionTimeout = 120
                                connstr = conn.ConnectionString
                            End If

                            Dim connection As New OracleConnection(connstr)
                            connection.Open()

                            If USER_LANGUAGE = "de-DE" Then
                                MsgBox("Die SQL-Server Verbindung wurde erfolgreich aufgebaut!", MsgBoxStyle.Information, "Erfolg:")
                            Else
                                MsgBox("Connection to Server successfully established!", MsgBoxStyle.Information, "Success:")
                            End If
                            My.Settings.Save()

                        Catch ex As Exception
                            MsgBox(ex.Message & vbNewLine & vbNewLine & connstr, MsgBoxStyle.Critical, "Unexpected error in Verbindungsaufbau Oracle:")
                        End Try

                    Case Else
                        If USER_LANGUAGE = "de-DE" Then
                            MsgBox("Test zur Zeit nicht möglich", MsgBoxStyle.Information, "Achtung:")
                        Else
                            MsgBox("Test not available", MsgBoxStyle.Information, "Warning:")
                        End If
                End Select
            End If


        Catch ex As Exception
            Dim template As String = ex.Message
            Clipboard.SetDataObject(template)
            MsgBox("Unexpected error inm Verbindungsaufbau: " & vbNewLine & ex.Message & vbNewLine & "Connection-String: " & vbNewLine & msg_string, MsgBoxStyle.Critical)
        End Try
        Cursor = Cursors.Default
    End Sub

    Private Sub cmbInitialCatalog_Click(sender As Object, e As EventArgs) Handles cmbInitialCatalog.Click
        Get_MSSQL_Databases()
    End Sub
    Sub Get_MSSQL_Databases()
        Try
            ' Dim csb As New SqlClient.SqlConnectionStringBuilder
            If Me.SQL_PROVIDERComboBox.SelectedIndex <> -1 Then

                Select Case Me.SQL_PROVIDERComboBox.SelectedItem
                    Case "MS-SQL"
                        Dim con As String
                        If CheckBoxwin_aut.Checked Then
                            con = "Data Source=" & Me.SERVERTextBox.Text & ";Initial Catalog=" & Me.cmbInitialCatalog.Text & ";Trusted_Connection=True;"
                        Else
                            con = "Server=" & Me.SERVERTextBox.Text & ";Database=" & Me.cmbInitialCatalog.Text & ";User Id=" & Me.USERNAMETextBox.Text & ";Password=" & Me.PASSWORDTextBox.Text & ";"
                        End If
                        'csb.DataSource = Me.txtDataSource.Text
                        'csb.IntegratedSecurity = False
                        'csb.UserID = Me.txtUserId.Text
                        'csb.Password = Me.txtPassword.Text
                        Dim connection As New SqlClient.SqlConnection(con)
                        'während Verbindungsaufbau Sanduhr-Mauszeiger
                        Cursor = Cursors.WaitCursor
                        connection.Open()
                        Cursor = Cursors.Default
                        ' SQLCommand-Objekt über alle Datenbanken erstellen
                        Dim cmd As New SqlClient.SqlCommand("SELECT [name] FROM master.dbo.sysdatabases WHERE name NOT IN ('master', 'tempdb', 'model', 'msdb')", connection)
                        'cmd.CommandType = CommandType.
                        ' Ausführen und Ergebnis in einer ListBox anzeigen
                        Dim dr As SqlClient.SqlDataReader = cmd.ExecuteReader
                        If dr.HasRows Then
                            cmbInitialCatalog.Items.Clear()
                            Do While dr.Read
                                cmbInitialCatalog.Items.Add(dr("name"))
                            Loop
                            cmbInitialCatalog.DroppedDown = True
                        End If
                End Select
            End If


        Catch ex As Exception
            Cursor = Cursors.Default

            Dim template As String = ex.Message
            Clipboard.SetDataObject(template)
            MsgBox("Unexpected error inm Verbindungsaufbau: " & vbNewLine & ex.Message, MsgBoxStyle.Exclamation)
        End Try
    End Sub

    Private Sub TBDD_CONNECTIONBindingSource_AddingNew(sender As Object, e As System.ComponentModel.AddingNewEventArgs) Handles TBDD_CONNECTIONBindingSource.AddingNew
        Me.MyDataset.TBDD_CONNECTION.ERSTELLTWERColumn.DefaultValue = Environment.UserName
    End Sub

    Private Sub ToolStripButton1_Click(sender As Object, e As EventArgs) Handles ToolStripButton1.Click
        Load_Conns()
    End Sub

    Private Sub TBDD_CONNECTIONBindingSource_CurrentChanged(sender As Object, e As EventArgs) Handles TBDD_CONNECTIONBindingSource.CurrentChanged
        Me.lblSave.Visible = False
    End Sub

    Private Sub BEMERKUNGTextBox_TextChanged(sender As Object, e As EventArgs) Handles BEMERKUNGTextBox.TextChanged
        If BEMERKUNGTextBox.Text.Contains("without tnsnames") Then
            Me.chkOR_ohne_TNS.Checked = True
        Else
            Me.chkOR_ohne_TNS.Checked = False
        End If
    End Sub

    Private Sub frmConnections_Shown(sender As Object, e As EventArgs) Handles Me.Shown
        Load_Conns()
        Threading.Thread.Sleep(300)
        Load_Conns()
    End Sub
End Class