WIP
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Jonathan Jenne
178
app/DD_Clipboard_Searcher/frmConnection.vb
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178
app/DD_Clipboard_Searcher/frmConnection.vb
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Imports System.Data.SqlClient
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Imports Oracle.ManagedDataAccess.Client
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Public Class frmConnection
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Private Const PROVIDER_ORACLE = "ORACLE"
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Private Const PROVIDER_MSSQL = "MS-SQL"
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Private Sub TBDD_CONNECTIONBindingNavigatorSaveItem_Click(sender As Object, e As EventArgs)
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Validate()
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TBDD_CONNECTIONBindingSource.EndEdit()
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TableAdapterManager.UpdateAll(MyDataset)
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End Sub
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Private Sub frmConnection_Load(sender As Object, e As EventArgs) Handles MyBase.Load
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Load_Connections()
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End Sub
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Private Sub Load_Connections()
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Try
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TBDD_CONNECTIONTableAdapter.Connection.ConnectionString = MyConnectionString
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TBDD_CONNECTIONTableAdapter.Fill(MyDataset.TBDD_CONNECTION)
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Catch ex As Exception
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Logger.Error(ex)
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MsgBox("Fehler beim Laden der Verbindungen: " & vbNewLine & ex.Message, MsgBoxStyle.Critical, Text)
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End Try
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End Sub
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Private Sub TBDD_CONNECTIONBindingSource_AddingNew(sender As Object, e As System.ComponentModel.AddingNewEventArgs) Handles TBDD_CONNECTIONBindingSource.AddingNew
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MyDataset.TBDD_CONNECTION.AKTIVColumn.DefaultValue = True
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MyDataset.TBDD_CONNECTION.ERSTELLTWERColumn.DefaultValue = Environment.UserName
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End Sub
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Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
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ConnectionTest(SQL_PROVIDERComboBox.Text, chkWinAuth.Checked, SERVERTextBox.Text, USERNAMETextBox.Text, PASSWORDTextBox.Text, DATENBANKComboBox.Text)
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End Sub
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Private Sub ConnectionTest(ConnectionType As String, WinAuth As Boolean, Server As String, UserId As String, Password As String, Database As String)
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Dim oConnectionString As String = String.Empty
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Select Case ConnectionType
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Case PROVIDER_MSSQL
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If WinAuth Then
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oConnectionString = $"Data Source={Server};Initial Catalog={Database};Trusted_Connection=True;"
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Else
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oConnectionString = $"Server={Server};Database={Database};User Id={UserId};Password={Password};"
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End If
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Cursor = Cursors.WaitCursor
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Using oConnection As New SqlConnection(oConnectionString)
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Try
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oConnection.Open()
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MsgBox("Die Verbindung wurde erfolgreich aufgebaut!", MsgBoxStyle.Information, Text)
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Catch ex As Exception
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Logger.Error(ex)
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MsgBox("Fehler beim Verbindungsaufbau: " & vbNewLine & ex.Message, MsgBoxStyle.Exclamation, Text)
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Finally
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Cursor = Cursors.Default
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End Try
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End Using
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Case PROVIDER_ORACLE
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Try
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Dim conn As New OracleConnectionStringBuilder
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oConnectionString = $"Data Source=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST={Server})(PORT=1521)))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME={Database})));User Id={UserId};Password={Password};"
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'conn.DataSource = DATENBANKComboBox.Text
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'conn.UserID = txtUserId.Text
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'conn.Password = txtPassword.Text
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'conn.PersistSecurityInfo = True
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'conn.ConnectionTimeout = 120
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'oConnectionString = conn.ConnectionString
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Using connection As New OracleConnection(oConnectionString)
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connection.Open()
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End Using
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MsgBox("Die Verbindung wurde erfolgreich aufgebaut!", MsgBoxStyle.Information, Text)
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Catch ex As Exception
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Logger.Error(ex)
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MsgBox(ex.Message & vbNewLine & vbNewLine & oConnectionString, MsgBoxStyle.Critical, "Fehler bei Verbindungsaufbau Oracle:")
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End Try
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End Select
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End Sub
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Private Sub DATENBANKComboBox_Click(sender As Object, e As EventArgs) Handles DATENBANKComboBox.Click
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Cursor = Cursors.WaitCursor
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Dim oConnectionBuilder As New SqlConnectionStringBuilder
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If SERVERTextBox.Text = String.Empty Then
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MsgBox("Bitte geben sie einen Server an!")
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Exit Sub
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End If
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If SQL_PROVIDERComboBox.Text = PROVIDER_ORACLE Then
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Exit Sub
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End If
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If chkWinAuth.Checked Then
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oConnectionBuilder.DataSource = SERVERTextBox.Text
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oConnectionBuilder.IntegratedSecurity = True
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Else
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If USERNAMETextBox.Text = String.Empty Or PASSWORDTextBox.Text = String.Empty Then
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MsgBox("Bitte geben sie Benutzer und Passwort an!", MsgBoxStyle.Exclamation, Text)
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Exit Sub
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End If
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oConnectionBuilder.DataSource = SERVERTextBox.Text
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oConnectionBuilder.IntegratedSecurity = False
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oConnectionBuilder.UserID = USERNAMETextBox.Text
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oConnectionBuilder.Password = PASSWORDTextBox.Text
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End If
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Try
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Using oConnection As New SqlConnection(oConnectionBuilder.ToString)
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oConnection.Open()
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Using oCmd As New SqlCommand("sp_databases", oConnection) With {.CommandType = CommandType.StoredProcedure}
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Using oReader As SqlDataReader = oCmd.ExecuteReader
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If oReader.HasRows Then
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DATENBANKComboBox.Items.Clear()
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Do While oReader.Read()
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DATENBANKComboBox.Items.Add(oReader.Item("Database_Name"))
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Loop
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DATENBANKComboBox.DroppedDown = True
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Else
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MsgBox("The standard-databases could not be retrieved." & vbNewLine & "Check rights in sql-server for user", MsgBoxStyle.Exclamation)
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End If
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End Using
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End Using
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End Using
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Catch ex As Exception
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Logger.Error(ex)
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MsgBox("Error while loading Databases:" & vbCrLf & ex.Message, MsgBoxStyle.Critical, Text)
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Finally
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Cursor = Cursors.Default
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End Try
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End Sub
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Private Sub chkWinAuth_CheckedChanged(sender As Object, e As EventArgs) Handles chkWinAuth.CheckedChanged
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If chkWinAuth.Checked Then
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USERNAMETextBox.Enabled = False
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USERNAMETextBox.Text = "WINAUTH"
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PASSWORDTextBox.Enabled = False
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PASSWORDTextBox.Text = ""
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Else
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USERNAMETextBox.Enabled = True
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USERNAMETextBox.Text = ""
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PASSWORDTextBox.Enabled = True
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PASSWORDTextBox.Text = ""
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End If
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End Sub
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Private Sub BarButtonItem1_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonAdd.ItemClick
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TBDD_CONNECTIONBindingSource.AddNew()
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End Sub
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Private Sub BarButtonItem2_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonDelete.ItemClick
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Try
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If GUIDTextBox.Text <> String.Empty Then
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Dim oResult As MsgBoxResult = MsgBox("Wollen Sie die Verbindung wirklich löschen?", MsgBoxStyle.YesNo, Text)
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If oResult = MsgBoxResult.Yes Then
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TBDD_CONNECTIONTableAdapter.Delete(GUIDTextBox.Text)
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End If
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End If
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Catch ex As Exception
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Logger.Error(ex)
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MsgBox("Fehler beim Löschen der Verbindung: " & vbNewLine & ex.Message, MsgBoxStyle.Critical)
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End Try
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End Sub
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Private Sub BarButtonItem3_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonSave.ItemClick
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Validate()
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TBDD_CONNECTIONBindingSource.EndEdit()
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TableAdapterManager.UpdateAll(MyDataset)
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End Sub
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End Class
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