Imports System.IO
Imports System.Data.Sql
Imports System.Data.SqlClient

Public Class clsdb

    Public dsDaten As New DataSet
    Public dsdaten1 As New DataSet
    Public dsdatenma As New DataSet
    Public dadaten As SqlDataAdapter
    Public dadatenma As SqlDataAdapter
    Public dadaten1 As SqlDataAdapter
    Dim sql As String
    Public subject As String
    Public body As String

    Sub New()
        Dim x As New DB_Connection
    End Sub
    Public Function Get_Dokumenttypen()
        Try
            dsDaten.Clear()
            Dim selectcommand As New SqlCommand
            Dim connection As New SqlConnection()
            selectcommand.CommandText = "Select dokumenttypnr, str(dokumenttypnr)+' '+bezeichnung from dokumenttyp where aktiv=1 order by dokumenttypnr"


            selectcommand.CommandType = CommandType.Text
            selectcommand.Connection = connection
            Try
                connection.ConnectionString = Globals.sConnectionstring
                connection.Open()
                dadaten = New SqlDataAdapter(sql, Globals.sConnectionstring)
                dadaten.SelectCommand = selectcommand
                dadaten.Fill(dsDaten, "Dokumenttypen")
            Catch ex As Exception
                MsgBox(ex.Message)
            Finally
                connection.Close()
                selectcommand.Dispose()
            End Try

        Catch
        End Try
    End Function


    Public Function Get_Tabledata(ByVal sql As String, ByVal tablename As String)
        Try
            dsDaten.Tables.Clear()
            Dim selectcommand As New SqlCommand
            Dim connection As New SqlConnection()
            selectcommand.CommandText = sql


            selectcommand.CommandType = CommandType.Text
            selectcommand.Connection = connection
            Try
                connection.ConnectionString = Globals.sConnectionstring
                connection.Open()
                dadaten = New SqlDataAdapter(sql, Globals.sConnectionstring)
                dadaten.SelectCommand = selectcommand
                dadaten.Fill(dsDaten, tablename)
            Catch ex As Exception
                MsgBox(ex.Message)
            Finally
                connection.Close()
                selectcommand.Dispose()
            End Try

        Catch
        End Try
    End Function

    Public Function CheckDokType(ByVal Dokumenttpynr As Integer) As String
        Try
            dsDaten.Clear()
            Dim selectcommand As New SqlCommand
            Dim connection As New SqlConnection()
            selectcommand.CommandText = "Select dokumenttypnr, bezeichnung from dokumenttyp where aktiv=1 and dokumenttypnr=" + Dokumenttpynr.ToString
            selectcommand.CommandType = CommandType.Text
            selectcommand.Connection = connection
            Try
                connection.ConnectionString = Globals.sConnectionstring
                connection.Open()
                dadaten = New SqlDataAdapter(sql, Globals.sConnectionstring)
                dadaten.SelectCommand = selectcommand
                dadaten.Fill(dsDaten, "Dokumenttypen")
                If dsDaten.Tables(0).Rows.Count > 0 Then Return dsDaten.Tables(0).Rows(0).Item(0).ToString + " " + dsDaten.Tables(0).Rows(0).Item(1) Else Return ""
            Catch ex As Exception
                MsgBox(ex.Message)
            Finally
                connection.Close()
                selectcommand.Dispose()
            End Try

        Catch
        End Try
    End Function

    Public Function ChceckDokType(ByVal Dokumentypbezeichnung As String) As String
        Try
            dsDaten.Clear()
            Dim selectcommand As New SqlCommand
            Dim connection As New SqlConnection()
            selectcommand.CommandText = "Select dokumenttypnr, bezeichnung from dokumenttyp where aktiv=1 and bezeichnung='" + Dokumentypbezeichnung + "'"
            selectcommand.CommandType = CommandType.Text
            selectcommand.Connection = connection
            Try
                connection.ConnectionString = Globals.sConnectionstring
                connection.Open()
                dadaten = New SqlDataAdapter(sql, Globals.sConnectionstring)
                dadaten.SelectCommand = selectcommand
                dadaten.Fill(dsDaten, "Dokumenttypen")
                If dsDaten.Tables(0).Rows.Count > 0 Then Return dsDaten.Tables(0).Rows(0).Item(0).ToString + " " + dsDaten.Tables(0).Rows(0).Item(1) Else Return ""
            Catch ex As Exception
                MsgBox(ex.Message)
            Finally
                connection.Close()
                selectcommand.Dispose()
            End Try

        Catch
        End Try

    End Function

End Class

Public Class DB_Connection

    ''' <summary>
    ''' Liest sämtlcihe CFG-Dateien mit dem Namen "Vertragsverwaltung...". Sind meherere Dateien vorhanden,
    ''' wird ein Auswahldialog zur Datenbank-Selektion angezeigt.
    ''' Standardmässig wird Vertragsverwaltung.cfg als CFG-Datei benutzt.
    ''' 
    ''' Die CFG-Datei ist verschlüsselt und wird über die Crypto-Funktionen entschlüsselt.
    ''' </summary>
    ''' <remarks></remarks>
    Sub New()
        Dim path As String = ""
        Dim fc As Integer = 0
        If fc < 2 Then Globals.ConnectionFilename = "edokaconn.cfg"
        Dim ofile As System.IO.File
        Dim oread As System.IO.StreamReader

        oread = ofile.OpenText(ApplicationPath() + "\" + Globals.ConnectionFilename)
        sConnectionstring = oread.ReadLine
        sConnectionstring = Crypto.DecryptText(sConnectionstring, "HutterundMueller")
        sConnectionstring = Left(sConnectionstring, Len(sConnectionstring) - 1)
        Globals.sConnectionstring = sConnectionstring
        oread.Close()

        Dim connection As New SqlConnection()
        Dim da As New SqlDataAdapter("Select  beschreibung from pluginparameter where pluginparamnr=1", connection)
        Dim CB As SqlCommandBuilder = New SqlCommandBuilder(da)
        Dim ds As New DataSet()
        Try
            connection.ConnectionString = Globals.sConnectionstring
            connection.Open()
            da.Fill(ds, "params")
            path = ds.Tables(0).Rows(0).Item(0)
        Catch ex As Exception
            path = ""
            CB = Nothing
        End Try

        ds = Nothing
        da = Nothing
        connection.Close()
        connection = Nothing

        Globals.ConnectionFilename = "edokaconn.cfg"
        oread = ofile.OpenText(path + "\" + Globals.ConnectionFilename)
        sConnectionstring = oread.ReadLine
        sConnectionstring = Crypto.DecryptText(sConnectionstring, "HutterundMueller")
        sConnectionstring = Left(sConnectionstring, Len(sConnectionstring) - 1)
        Globals.sConnectionstring = sConnectionstring
        oread.Close()
    End Sub


End Class