Imports System
Imports System.Data
Imports System.Data.SqlTypes
Imports System.Data.SqlClient
Imports DevComponents
Imports DropDownControls

Public Class clspruefplan
    Inherits DB.clsPruefplan

#Region "Deklarationen"
    Public daten As New DataTable
    Public Neuer_Datensatz As Boolean = False
    Public Mitarbeiterdaten As New DataTable

    Public Zeitpunkt As New DataTable
    Public Periodizitaet As New DataTable
    Public Prioritaet As New DataTable
    Public VerantwortungISI As New DataTable
    Public VerantwortungPlan As New DataTable
    Public Verantwortung As New DataTable
    Dim stammdaten As New DB.clsStammdaten
    Dim SpaltenTitel As New Utils.Tabellenspalte

    Dim Definition_Pruefplan As New DataTable
    Dim clsDefinition_Pruefplan As New DB.clsDefinition_Pruefplan
    Public Terminierung As New DataTable


    Dim mMutierer As String
    Property MutiererText() As String
        Get
            Return mMutierer
        End Get
        Set(ByVal value As String)
            mMutierer = value
        End Set
    End Property
#End Region

    Sub New()
        MyBase.New()
        Zeitpunkt = stammdaten.Get_Stammdaten("Zeitpunkt", "Beschreibung")
        Periodizitaet = stammdaten.Get_Stammdaten("Periodizitaet", "Bezeichnung")
        Prioritaet = stammdaten.Get_Stammdaten("Prioritaet", "Bezeichnung")
        VerantwortungISI = stammdaten.Get_Stammdaten("VerantwortungIsi", "Bezeichnung")
        Verantwortung = stammdaten.Get_Stammdaten("Verantwortung", "Bezeichnung")
        Terminierung = stammdaten.Get_Stammdaten("Terminierung", "Bezeichnung")
        VerantwortungPlan = stammdaten.Get_Stammdaten("VerantwortungIsi", "Bezeichnung")
    End Sub



    Public Overloads Sub dispose()
        MyBase.Dispose()
        Try
            Me.Zeitpunkt.Dispose()
            Me.Periodizitaet.Dispose()
            Me.Prioritaet.Dispose()
            Me.VerantwortungISI.Dispose()
            Me.Verantwortung.Dispose()
            Me.stammdaten = Nothing
            Me.Definition_Pruefplan.Dispose()
            Me.VerantwortungPlan.Dispose()


        Catch
        End Try
    End Sub

    ''' <summary>
    ''' Mutierer auslesen
    ''' </summary>
    ''' <returns></returns>
    ''' <remarks></remarks>
    Public Function Get_Mutierer(ByVal nr As Integer) As String
        Try
            Dim ma As New DB.clsMitarbeiter
            Dim dt As New DataTable
            Dim Retvalue As String
            ma.cpMainConnectionProvider = Globals.conn
            ma.iMitarbeiternr = New SqlInt32(CType(nr, Int32))
            dt = ma.SelectOne()
            If dt.Rows.Count = 0 Then
                Retvalue = ("{" + nr.ToString + "}")
            Else
                Retvalue = ma.sName.ToString + " " + ma.sVorname.ToString + ", " + ma.sTgnummer.ToString
            End If
            ma.Dispose()
            dt.Dispose()
            Return Retvalue
        Catch
            Return ""
        End Try

    End Function


    Public Function Get_Data(ByVal Nr As Integer)
        Me.cpMainConnectionProvider = Globals.conn
        Me.iPruefplanNr = New SqlInt32(CType(Nr, Int32))
        Globals.conn.OpenConnection()
        Me.daten = Me.SelectOne()
        Globals.conn.CloseConnection(True)
        Try
            Me.MutiererText = Get_Mutierer(Me.iMutierer.Value)
        Catch ex As Exception
            Me.MutiererText = ""

        End Try

    End Function

    Public Function Save_Data() As Integer
        Me.cpMainConnectionProvider = Globals.conn
        Me.iMutierer = New SqlInt32(CType(Globals.clsmitarbeiter.iMitarbeiternr, Int32))
        Me.daMutiert_am = New SqlDateTime(CType(Now, DateTime))
        Globals.conn.OpenConnection()
        Me.Update()
        Globals.conn.CloseConnection(True)
        Me.Neuer_Datensatz = False
    End Function

    Public Function Create_Copy(Optional ByVal Basenr As Integer = 0) As Integer
        If Basenr <> 0 Then
            Get_Data(Basenr)
        End If
        Dim db As New DB.clsMyKey_Tabelle
        db.cpMainConnectionProvider = Globals.conn
        Dim newkey = db.get_dbkey("Pruefplan")
        db.Dispose()

        Me.cpMainConnectionProvider = Globals.conn
        Me.iPruefplanNr = New SqlInt32(CType(newkey, Int32))
        Me.daErstellt_am = New SqlDateTime(CType(Now, DateTime))
        Me.daMutiert_am = New SqlDateTime(CType(Now, DateTime))
        Me.iMutierer = New SqlInt32(CType(Globals.clsmitarbeiter.iMitarbeiternr, Int32))
        Globals.conn.OpenConnection()
        Me.Insert()
        Globals.conn.CloseConnection(True)
        Me.Neuer_Datensatz = True
        Return newkey
    End Function

    ''' <summary>
    ''' Löschen eines Datensatzes erstellen.
    ''' </summary>
    ''' <param name="Basenr">Ursprungs-Person: Ist dieser Wert nicht 0, werden die Daten mit BaseNr zuerst gelesen</param>
    ''' <returns></returns>
    ''' <remarks></remarks>
    Public Function Delete_Data(Optional ByVal Basenr As Integer = 0) As Integer
        If Basenr <> 0 Then
            Get_Data(Basenr)
        End If
        If bAktiv.Value = False Then Exit Function

        Me.cpMainConnectionProvider = Globals.conn
        Me.bAktiv = New SqlBoolean(CType(False, Boolean))
        Me.daMutiert_am = New SqlDateTime(CType(Now, DateTime))
        Me.iMutierer = New SqlInt32(CType(Globals.clsmitarbeiter.iMitarbeiternr, Int32))
        Globals.conn.OpenConnection()
        Me.Update()
        Globals.conn.CloseConnection(True)
        Me.Neuer_Datensatz = False
    End Function

    Public Overloads Function Delete(Optional ByVal Basenr As Integer = 0) As Integer
        If Basenr <> 0 Then
            Get_Data(Basenr)
        End If
        Me.cpMainConnectionProvider = Globals.conn
        Globals.conn.OpenConnection()
        MyBase.Delete()
        Globals.conn.CloseConnection(True)
        Me.Neuer_Datensatz = False
    End Function

    ''' <summary>
    ''' Neue Person einfügen
    ''' </summary>
    ''' <returns></returns>
    ''' <remarks></remarks>
    Public Function Add_New() As Integer
        Dim db As New DB.clsMyKey_Tabelle
        db.cpMainConnectionProvider = Globals.conn
        Dim newkey = db.get_dbkey("Pruefplan")
        db.Dispose()
        Me.iPruefplanNr = New SqlInt32(CType(newkey, Int32))
        Me.daGueltig_Bis = New SqlDateTime(CType("31.12.2099", DateTime))
        Me.iPrioritaetNr = New SqlInt32(CType(0, Int32))
        Me.iPeriodizitaetNr = New SqlInt32(CType(0, Int32))
        Me.iZeitpunktNr = New SqlInt32(CType(0, Int32))
        Me.sBeschreibung = New SqlString(CType("", String))
        Me.sPruefgegenstand = New SqlString(CType("", String))
        Me.sHilfsmittel = New SqlString(CType("", String))
        Me.sMassnahmen = New SqlString(CType("", String))
        Me.iVerantwortungISINr = New SqlInt32(CType(0, Int32))
        Me.sBeschreibung = New SqlString(CType("", String))
        Me.bAktiv = New SqlBoolean(CType(True, Boolean))
        Me.daErstellt_am = New SqlDateTime(CType(Now, DateTime))
        Me.daMutiert_am = New SqlDateTime(CType(Now, DateTime))
        Me.iMutierer = New SqlInt32(CType(Globals.clsmitarbeiter.iMitarbeiternr, Int32))
        Me.daErstmals_am = New SqlDateTime(CType(DateAdd(DateInterval.Day, 1, Now), DateTime))
        Me.iTerminierungID = New SqlInt32(CType(0, Int32))
        Me.cpMainConnectionProvider = Globals.conn
        Try
            Globals.conn.OpenConnection()
            Me.Insert()
            Globals.conn.CloseConnection(True)
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try
        Me.Neuer_Datensatz = True
        Return Me.iPruefplanNr.Value
    End Function

    Public Function Get_Pruefplan(ByRef c1daten As C1.Win.C1TrueDBGrid.C1TrueDBGrid, ByVal Key As Integer)
        Try
            Dim ds As New DataSet
            Dim connection As New SqlConnection()
            Dim da As New SqlDataAdapter("", connection)
            Dim sqlcmd As New SqlCommand

            sqlcmd.CommandText = "sp_get_pruefplan"
            sqlcmd.Parameters.Add(New SqlParameter("@key", SqlDbType.Int, 4, ParameterDirection.Input, True, 10, 0, "", DataRowVersion.Proposed, Key))
            sqlcmd.CommandType = CommandType.StoredProcedure
            sqlcmd.Connection = connection
            Try
                connection.ConnectionString = Globals.sConnectionString
                connection.Open()
                da.SelectCommand = sqlcmd
                da.Fill(ds, "Datatable1")
                c1daten.DataSource = Nothing
                c1daten.DataSource = ds.Tables(0)
                c1daten.DataMember = ds.Tables(0).TableName

                SpaltenTitel.Spaltentitel_aktualisieren(c1daten, "Pruefplan", ds.Tables(0))
            Catch ex As Exception
                MsgBox(ex.Message)
            Finally
                connection.Close()
                da.Dispose()
                sqlcmd.Dispose()
            End Try
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try

    End Function


    Public Function Get_Eintraege(ByRef c1daten As C1.Win.C1TrueDBGrid.C1TrueDBGrid, ByVal Key As Integer, Optional Searchstring As String = "")
        Try
            Dim ds As New DataSet
            Dim connection As New SqlConnection()
            Dim da As New SqlDataAdapter("", connection)
            Dim sqlcmd As New SqlCommand

            sqlcmd.CommandText = "sp_get_pruefplan"
            sqlcmd.Parameters.Add(New SqlParameter("@key", SqlDbType.Int, 4, ParameterDirection.Input, True, 10, 0, "", DataRowVersion.Proposed, Key))
            sqlcmd.Parameters.Add(New SqlParameter("@Searchstring", SqlDbType.VarChar, 255, ParameterDirection.Input, True, 10, 0, "", DataRowVersion.Proposed, Searchstring))
            sqlcmd.CommandType = CommandType.StoredProcedure
            sqlcmd.Connection = connection
            Try
                connection.ConnectionString = Globals.sConnectionString
                connection.Open()
                da.SelectCommand = sqlcmd
                da.Fill(ds, "Datatable1")
                c1daten.DataSource = Nothing
                c1daten.DataSource = ds.Tables(0)
                c1daten.DataMember = ds.Tables(0).TableName

                SpaltenTitel.Spaltentitel_aktualisieren(c1daten, "Pruefplan", ds.Tables(0))
            Catch ex As Exception
                MsgBox(ex.Message)
            Finally
                connection.Close()
                da.Dispose()
                sqlcmd.Dispose()
            End Try
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try
    End Function

    Public Function Get_Definition_Pruefplan(ByVal Key As Integer, ByRef cb As CheckedListBox)
        Me.Definition_Pruefplan.Rows.Clear()
        Try
            Dim connection As New SqlConnection()
            Dim da As New SqlDataAdapter("", connection)
            Dim sqlcmd As New SqlCommand

            sqlcmd.CommandText = "sp_get_definition_pruefplan"
            sqlcmd.Parameters.Add(New SqlParameter("@pruefplannr", SqlDbType.Int, 4, ParameterDirection.Input, True, 10, 0, "", DataRowVersion.Proposed, Key))
            sqlcmd.CommandType = CommandType.StoredProcedure
            sqlcmd.Connection = connection
            Try
                connection.ConnectionString = Globals.sConnectionString
                connection.Open()
                da.SelectCommand = sqlcmd
                da.Fill(Me.Definition_Pruefplan)

                For Each r As DataRow In Definition_Pruefplan.Rows
                    cb.Items.Add(r.Item("Bezeichnung"), True)
                Next
                'cb.DataSource = Definition_Pruefplan
                'cb.ValueMember = "Definition_PruefplanNr"
                'cb.DisplayMember = "Bezeichnung"
            Catch ex As Exception
                MsgBox(ex.Message)
            Finally
                connection.Close()
                da.Dispose()
                sqlcmd.Dispose()
            End Try
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try
    End Function

    Public Function Add_new_Zuordnung(ByVal Pruefplannr As Integer, DefinitionNr As Integer, nodetext As String, ByRef chkcb As CheckedListBox)
        For Each r As DataRow In Me.Definition_Pruefplan.Rows
            If r.Item(1) = DefinitionNr Then
                MsgBox("Die Beziehung zu '" + nodetext + "' ist bereits vorhanden", vbExclamation)
                Exit Function
            End If
        Next
        Dim dr As DataRow = Me.Definition_Pruefplan.NewRow
        dr.Item(1) = DefinitionNr
        dr.Item(2) = Pruefplannr
        dr.Item(3) = "31.12.2099"
        dr.Item(4) = True
        dr.Item(5) = Now
        dr.Item(6) = Now
        dr.Item(7) = Globals.clsmitarbeiter.iMitarbeiternr.Value
        dr.Item(8) = nodetext
        Me.Definition_Pruefplan.Rows.Add(dr)
        chkcb.Items.Add(nodetext + " | " + dr.Item(3).ToString, True)

    End Function

    Public Function Get_Definition_Pruefplan(ByVal Key As Integer, ByRef tree As AdvTree.AdvTree)
        Me.Definition_Pruefplan.Rows.Clear()
        Try
            Dim connection As New SqlConnection()
            Dim da As New SqlDataAdapter("", connection)
            Dim sqlcmd As New SqlCommand

            sqlcmd.CommandText = "sp_get_definition_pruefplan"
            sqlcmd.Parameters.Add(New SqlParameter("@pruefplannr", SqlDbType.Int, 4, ParameterDirection.Input, True, 10, 0, "", DataRowVersion.Proposed, Key))
            sqlcmd.CommandType = CommandType.StoredProcedure
            sqlcmd.Connection = connection
            Try
                connection.ConnectionString = Globals.sConnectionString
                connection.Open()
                da.SelectCommand = sqlcmd
                da.Fill(Me.Definition_Pruefplan)
                Set_Zuordnungnodes(Definition_Pruefplan, tree)
            Catch ex As Exception
                MsgBox(ex.Message)
            Finally
                connection.Close()
                da.Dispose()
                sqlcmd.Dispose()
            End Try
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try
    End Function
    Public Function Add_new_Zuordnung(ByVal Pruefplannr As Integer, DefinitionNr As Integer, nodetext As String, ByRef tree As AdvTree.AdvTree)
        For Each r As DataRow In Me.Definition_Pruefplan.Rows
            If r.Item(1) = DefinitionNr And (r(4) = True Or r(3) < Now) Then
                MsgBox("Die Beziehung zu '" + nodetext + "' ist bereits vorhanden", vbExclamation)
                Exit Function
            End If
        Next
        Dim dr As DataRow = Me.Definition_Pruefplan.NewRow
        dr.Item(0) = Format(Now, "ddhhmmss")
        dr.Item(1) = DefinitionNr
        dr.Item(2) = Pruefplannr
        dr.Item(3) = "31.12.2099"
        dr.Item(4) = True
        dr.Item(5) = Now
        dr.Item(6) = Now
        dr.Item(7) = Globals.clsmitarbeiter.iMitarbeiternr.Value
        dr.Item(8) = nodetext
        Me.Definition_Pruefplan.Rows.Add(dr)

        Set_Zuordnungnodes(Definition_Pruefplan, tree)
    End Function

    Sub Set_Zuordnungnodes(data As DataTable, ByRef tree As AdvTree.AdvTree)
        tree.Nodes.Clear()
        For Each r As DataRow In data.Rows
            Dim tn As New AdvTree.Node
            tn.Tag = r(0)
            tn.Text = r(8)
            tree.Nodes.Add(tn)
            Dim tn1 As New AdvTree.Node
            tn1.Text = r(3)
            tn1.Tag = r(4)
            tn.Nodes.Add(tn1)
            tn.ImageIndex = 0
            If r(3) < "31.12.2099" And r(3) > Now Then tn.ImageIndex = 3
            If r(3) < Now Then tn.ImageIndex = 2
            If r(4) = False Then tn.ImageIndex = 1

        Next

    End Sub

    Public Sub Update_Zuordnung(ByVal ID As Integer, Aktiv As Boolean, gueltig As DateTime)
        For Each r As DataRow In Me.Definition_Pruefplan.Rows
            If r.Item(0) = ID Then
                r(4) = Aktiv
                r(3) = gueltig
            End If
        Next
    End Sub

    Public Function Save_Definition_Pruefplan(ByRef tree As AdvTree.AdvTree)

        clsDefinition_Pruefplan.sConnectionString = Globals.sConnectionString
        For Each n As AdvTree.Node In tree.Nodes
            For Each r As DataRow In Definition_Pruefplan.Rows
                If r(0) = n.Tag Then
                    If r(0) > 100000 Then
                        clsDefinition_Pruefplan.iDefinitionNr = New SqlInt32(CType(r(1), Int32))
                        clsDefinition_Pruefplan.iPruefplanNr = New SqlInt32(CType(r(2), Int32))
                        clsDefinition_Pruefplan.daGueltig_Bis = New SqlDateTime(CType(r(3), DateTime))
                        clsDefinition_Pruefplan.daErstellt_am = New SqlDateTime(CType(Now, DateTime))
                        clsDefinition_Pruefplan.daMutiert_am = New SqlDateTime(CType(Now, DateTime))
                        clsDefinition_Pruefplan.bAktiv = New SqlBoolean(CType(True, Boolean))
                        clsDefinition_Pruefplan.iMutierer = New SqlInt32(CType(Globals.clsmitarbeiter.iMitarbeiternr.Value, Int32))
                        conn.OpenConnection()
                        clsDefinition_Pruefplan.Insert()
                        conn.CloseConnection(True)
                    Else
                        clsDefinition_Pruefplan.iDefinition_PruefplanNr = New SqlInt32(CType(r(0), Int32))
                        clsDefinition_Pruefplan.cpMainConnectionProvider = Globals.conn
                        clsDefinition_Pruefplan.SelectOne()
                        Dim tn1 As New AdvTree.Node
                        tn1 = n.Nodes(0)
                        If tn1.Tag <> clsDefinition_Pruefplan.bAktiv.Value Or tn1.Text <> clsDefinition_Pruefplan.daGueltig_Bis.Value Then
                            clsDefinition_Pruefplan.iDefinition_PruefplanNr = New SqlInt32(CType(r(0), Int32))
                            clsDefinition_Pruefplan.cpMainConnectionProvider = Globals.conn
                            clsDefinition_Pruefplan.SelectOne()
                            clsDefinition_Pruefplan.iDefinitionNr = New SqlInt32(CType(r(1), Int32))
                            clsDefinition_Pruefplan.iPruefplanNr = New SqlInt32(CType(r(2), Int32))
                            clsDefinition_Pruefplan.daGueltig_Bis = New SqlDateTime(CType(r(3), DateTime))
                            clsDefinition_Pruefplan.daErstellt_am = New SqlDateTime(CType(Now, DateTime))
                            clsDefinition_Pruefplan.daMutiert_am = New SqlDateTime(CType(Now, DateTime))
                            clsDefinition_Pruefplan.bAktiv = New SqlBoolean(CType(tn1.Tag, Boolean))
                            clsDefinition_Pruefplan.iMutierer = New SqlInt32(CType(Globals.clsmitarbeiter.iMitarbeiternr.Value, Int32))
                            conn.OpenConnection()
                            clsDefinition_Pruefplan.Update()
                            conn.CloseConnection(True)
                        End If


                    End If
                    End If

            Next
        Next

    End Function

End Class

Public Class clsPlanTree

#Region "Deklarationen"

    Dim treedata As New DataSet

    Dim TreeaufbauSuche As Boolean = False
    Dim TreeaufbauNr As Integer = 0
    Dim FoundNode As Integer = 0
    Dim Searchstring As String = ""
    Public Treesearch As New AdvTree.AdvTree

#End Region

#Region "Tree"

    Public Sub Load_Treeview(ByRef tree As DevComponents.AdvTree.AdvTree)
        tree.Nodes.Clear()
        TreeaufbauNr = -1
        Load_Treedata("")
        If Not (treedata Is Nothing) Then
            Dim oView As DataView = treedata.Tables(0).DefaultView
            Dim oTable As DataTable = oView.Table
            Dim oDS As DataSet = New DataSet()
            oDS.Tables.Add(oTable.Copy())

            If oDS.Relations.Contains("SelfRefenceRelation") = False Then
                oDS.Relations.Add("SelfRefenceRelation",
                    oDS.Tables(0).Columns("id"),
                    oDS.Tables(0).Columns("Parentid"))
            End If
            oTable.Dispose()
            oTable = Nothing

            LoadTreeView(oDS, tree)
            oDS.Dispose()
            oDS = Nothing
            tree.ExpandAll()
        End If

    End Sub

    Public Function Load_Treedata(ByVal datatype As String) As DataTable
        treedata.Tables.Clear()
        Dim selectcommand As New SqlCommand
        Dim connection As New SqlConnection()
        Dim da As New SqlDataAdapter("", connection)

        selectcommand.CommandText = "sp_get_PruefplanStruktur"
        selectcommand.Parameters.Add("@Root", SqlDbType.VarChar)
        selectcommand.Parameters(0).Value = datatype
        selectcommand.CommandType = CommandType.StoredProcedure
        selectcommand.Connection = connection
        Try
            connection.ConnectionString = Globals.sConnectionString
            connection.Open()
            da.SelectCommand = selectcommand
            da.Fill(treedata, "Tree")
            If treedata_for_search.Rows.Count < 1 Then
                For Each c As DataColumn In treedata.Tables(0).Columns
                    If c.ColumnName = "ErweiterteSuche" Then
                        Dim dc As New DataColumn
                        dc.ColumnName = "ErweiterteSuche"
                        dc.DataType = System.Type.GetType("System.String")
                        dc.DefaultValue = "                                                                                                                          "
                        Try
                            Globals.treedata_for_search.Columns.Add(dc)
                        Catch
                        End Try
                    Else
                        Try
                            Globals.treedata_for_search.Columns.Add(c.ColumnName)
                        Catch
                        End Try
                    End If
                Next
            End If
            For Each row As DataRow In treedata.Tables(0).Rows
                Globals.treedata_for_search.ImportRow(row)
            Next
        Catch ex As Exception
            MsgBox(ex.Message)
        Finally
            connection.Close()
            da.Dispose()
            selectcommand.Dispose()
        End Try
    End Function



    Protected Function GetAllNodes(ByVal treestruktur As DevComponents.AdvTree.AdvTree) As List(Of TreeNode)

        Dim allNodes As List(Of TreeNode) = New List(Of TreeNode)()

        ' start recursion for each root node of the treeview
        For i As Integer = 0 To treestruktur.Nodes.Count - 1
            GetAllNodes(treestruktur.Nodes(i), allNodes)
        Next

        Return allNodes

    End Function

    Protected Sub GetAllNodes(ByVal subRoot As DevComponents.AdvTree.Node, ByVal allNodes As List(Of TreeNode))

        ' check for null (this can be removed since within th
        If (subRoot Is Nothing) Then
            Exit Sub
        End If

        ' add subroot
        Dim r As DataRow
        r = treedata_for_search.NewRow
        r.Item(0) = subRoot.Tag
        Try
            r.Item(1) = subRoot.Parent.Tag
        Catch
            r.Item(1) = 0
        End Try

        r.Item(2) = subRoot.Text
        r.Item(3) = subRoot.ImageIndex
        treedata_for_search.Rows.Add(r)
        'allNodes.Add(subRoot)
        ' add all it's children
        For i As Integer = 0 To subRoot.Nodes.Count - 1
            GetAllNodes(subRoot.Nodes(i), allNodes)
        Next


    End Sub


    ''' <summary>
    ''' Tree aufbauen
    ''' </summary>
    ''' <param name="oDS"></param>
    ''' <param name="oTreeview"></param>
    ''' <remarks></remarks>
    Private Sub LoadTreeView(ByVal oDS As DataSet, ByRef oTreeview As DevComponents.AdvTree.AdvTree)
        'Dim oTreeView As TreeView = New TreeView()
        Dim oDataRow As DataRow
        For Each oDataRow In oDS.Tables(0).Rows
            If Not oDataRow.IsNull("Parentid") Then
                If oDataRow.Item("Parentid") = 0 Then
                    'If oDataRow.IsNull("Parentid") Then
                    Dim oNode As New DevComponents.AdvTree.Node
                    oNode.Text = Trim(oDataRow("Bezeichnung").ToString())
                    Try
                        'oNode.ToolTipText = Trim(oDataRow("ErweiterteSuche").ToString)
                    Catch
                    End Try
                    oNode.Tag = oDataRow("id").ToString
                    oNode.ImageIndex = oDataRow("ImageIndex")
                    oTreeview.Nodes.Add(oNode)
                    RecursivelyLoadTree(oDataRow, oNode)
                End If
            End If
        Next oDataRow
        oDS.Dispose()
        oDS = Nothing
    End Sub
    ''' <summary>
    ''' Child-Nodes hinzufügen
    ''' </summary>
    ''' <param name="oDataRow"></param>
    ''' <param name="oNode"></param>
    ''' <remarks></remarks>
    Private Sub RecursivelyLoadTree(ByVal oDataRow As DataRow, ByRef oNode As DevComponents.AdvTree.Node)
        Dim oChildRow As DataRow
        For Each oChildRow In oDataRow.GetChildRows("SelfRefenceRelation")
            Dim oChildNode As New DevComponents.AdvTree.Node
            oChildNode.Text = Trim(oChildRow("Bezeichnung").ToString())
            oChildNode.Tag = oChildRow("id").ToString()
            oChildNode.ImageIndex = oChildRow("ImageIndex")

            oNode.Nodes.Add(oChildNode)
            RecursivelyLoadTree(oChildRow, oChildNode)
        Next oChildRow
    End Sub
    Public Function FindNode(ByVal _nodeCollection As AdvTree.NodeCollection, ByVal SearchVal As Integer, ByVal SearchString As String) As AdvTree.Node
        Dim tmpNode As AdvTree.Node
        For Each _child As AdvTree.Node In _nodeCollection
            If _child.Tag = SearchVal Then

                Return _child
            End If
            ' If InStr(UCase(_child.Text), UCase(SearchString)) > 0 Then
            ' Return _child
            ' End If
            tmpNode = FindNode(_child.Nodes, SearchVal, SearchString)
            If Not tmpNode Is Nothing Then
                Return tmpNode
            End If
        Next
        Return Nothing
    End Function


    Public Function Init_Search()
        FoundNode = 0
        Searchstring = ""
        Me.Treesearch.Nodes.Clear()
    End Function

    Public Function SearchNode(ByRef tree As AdvTree.AdvTree, ByVal SearchString As String) As AdvTree.Node
        'Return tree.FindNodeByCellText(SearchString)

        Me.Treesearch.Nodes.Clear()
        For Each dr As DataRow In treedata_for_search.Rows
            'InStr(UCase(SearchString), UCase(dr.Item("Bezeichnung")))
            If InStr(UCase(dr.Item("Bezeichnung")), UCase(SearchString)) > 0 Or InStr(UCase(dr.Item("ErweiterteSuche")), UCase(SearchString)) > 0 Then
                Dim tn As New AdvTree.Node
                tn.Text = dr.Item("Bezeichnung")
                tn.Tag = dr.Item("id")
                Treesearch.Nodes.Add(tn)
            End If
        Next
        Return FindFirst(tree)
    End Function

    Public Function FindFirst(ByRef Tree As AdvTree.AdvTree) As AdvTree.Node
        Try
            If Me.Treesearch.Nodes.Count > 0 Then Me.Treesearch.SelectedNode = Me.Treesearch.Nodes(0)
            Return FindNode(Tree.Nodes, Treesearch.SelectedNode.Tag, "")
        Catch
        End Try
    End Function



    Public Function FindNextNode(ByRef tree As AdvTree.AdvTree) As AdvTree.Node
        Try
            Treesearch.SelectedNode = Treesearch.SelectedNode.NextNode
            If Treesearch.SelectedNode Is Nothing Then
                Return FindFirst(tree)
            End If
            Return Me.FindNode(tree.Nodes, Treesearch.SelectedNode.Tag, "")
        Catch ex As Exception

        End Try
    End Function

    Public Function FindPrevNode(ByRef tree As AdvTree.AdvTree) As AdvTree.Node
        Try
            Treesearch.SelectedNode = Treesearch.SelectedNode.PrevNode
            If Treesearch.SelectedNode Is Nothing Then
                Return FindLastNode(tree)
            End If
            Return Me.FindNode(tree.Nodes, Treesearch.SelectedNode.Tag, "")
        Catch ex As Exception
        End Try
    End Function

    Public Function FindLastNode(ByRef tree As AdvTree.AdvTree) As AdvTree.Node
        Try
            Treesearch.SelectedNode = Treesearch.Nodes(Treesearch.Nodes.Count - 1)
            Return Me.FindNode(tree.Nodes, Treesearch.SelectedNode.Tag, "")
        Catch ex As Exception
        End Try

    End Function




#End Region


#Region "ComboboxFilter"
    Public Sub Refresh_Filter(ByRef cbx As ToolStripComboBox)
        Dim s As String
        s = cbx.SelectedText.ToString
        cbx.Items.Clear()
        cbx.Items.Add("-- Alle --")
        For Each r As DataRow In treedata.Tables(0).Rows
            Try
                If r("Parentid") = 0 Then
                    cbx.Items.Add(r("bezeichnung"))
                End If
            Catch
            End Try

        Next
        If s <> "" Then cbx.Text = s
    End Sub
#End Region



End Class