Imports System.Data
Imports System.Data.SqlClient
Imports System.Data.SqlTypes
Imports System.IO
Imports System.Reflection
Imports System.Xml
Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Vom Windows Form Designer generierter Code "

    Public Sub New()
        MyBase.New()

        ' Dieser Aufruf ist für den Windows Form-Designer erforderlich.
        InitializeComponent()

        ' Initialisierungen nach dem Aufruf InitializeComponent() hinzufügen

    End Sub

    ' Die Form überschreibt den Löschvorgang der Basisklasse, um Komponenten zu bereinigen.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    ' Für Windows Form-Designer erforderlich
    Private components As System.ComponentModel.IContainer

    'HINWEIS: Die folgende Prozedur ist für den Windows Form-Designer erforderlich
    'Sie kann mit dem Windows Form-Designer modifiziert werden.
    'Verwenden Sie nicht den Code-Editor zur Bearbeitung.
    Friend WithEvents OpenFileDialog1 As System.Windows.Forms.OpenFileDialog
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents TxtTable As System.Windows.Forms.TextBox
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents TxtKeyField As System.Windows.Forms.TextBox
    Friend WithEvents TxtKeyValue As System.Windows.Forms.TextBox
    Friend WithEvents KeyFeld As System.Windows.Forms.Label
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents Label5 As System.Windows.Forms.Label
    Friend WithEvents Button3 As System.Windows.Forms.Button
    Friend WithEvents Button4 As System.Windows.Forms.Button
    Friend WithEvents txtConnstring As System.Windows.Forms.TextBox
    Friend WithEvents txtFilename As System.Windows.Forms.TextBox
    Friend WithEvents txtBindDatafeld As System.Windows.Forms.TextBox
    Friend WithEvents cbstring As System.Windows.Forms.CheckBox
    Friend WithEvents MainMenu1 As System.Windows.Forms.MainMenu
    Friend WithEvents MenuItem1 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem2 As System.Windows.Forms.MenuItem
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.components = New System.ComponentModel.Container
        Dim resources As System.ComponentModel.ComponentResourceManager = New System.ComponentModel.ComponentResourceManager(GetType(Form1))
        Me.OpenFileDialog1 = New System.Windows.Forms.OpenFileDialog
        Me.Button1 = New System.Windows.Forms.Button
        Me.txtConnstring = New System.Windows.Forms.TextBox
        Me.Label1 = New System.Windows.Forms.Label
        Me.txtFilename = New System.Windows.Forms.TextBox
        Me.Button2 = New System.Windows.Forms.Button
        Me.Label2 = New System.Windows.Forms.Label
        Me.TxtTable = New System.Windows.Forms.TextBox
        Me.Label3 = New System.Windows.Forms.Label
        Me.TxtKeyField = New System.Windows.Forms.TextBox
        Me.TxtKeyValue = New System.Windows.Forms.TextBox
        Me.KeyFeld = New System.Windows.Forms.Label
        Me.Label4 = New System.Windows.Forms.Label
        Me.txtBindDatafeld = New System.Windows.Forms.TextBox
        Me.Label5 = New System.Windows.Forms.Label
        Me.Button3 = New System.Windows.Forms.Button
        Me.Button4 = New System.Windows.Forms.Button
        Me.cbstring = New System.Windows.Forms.CheckBox
        Me.MainMenu1 = New System.Windows.Forms.MainMenu(Me.components)
        Me.MenuItem1 = New System.Windows.Forms.MenuItem
        Me.MenuItem2 = New System.Windows.Forms.MenuItem
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.Button1.Image = CType(resources.GetObject("Button1.Image"), System.Drawing.Image)
        Me.Button1.Location = New System.Drawing.Point(584, 8)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(24, 24)
        Me.Button1.TabIndex = 2
        Me.Button1.Visible = False
        '
        'txtConnstring
        '
        Me.txtConnstring.Location = New System.Drawing.Point(112, 8)
        Me.txtConnstring.Name = "txtConnstring"
        Me.txtConnstring.Size = New System.Drawing.Size(472, 20)
        Me.txtConnstring.TabIndex = 3
        Me.txtConnstring.Text = "data source=shu00;initial catalog=edoka;persist security info=false;workstation i" & _
            "d=;packet size=4096;user id=sa;password=*shu29;"
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(8, 8)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(100, 23)
        Me.Label1.TabIndex = 4
        Me.Label1.Text = "Connestionstring"
        '
        'txtFilename
        '
        Me.txtFilename.Location = New System.Drawing.Point(112, 32)
        Me.txtFilename.Name = "txtFilename"
        Me.txtFilename.Size = New System.Drawing.Size(472, 20)
        Me.txtFilename.TabIndex = 5
        Me.txtFilename.Text = "c:\temp\testdata."
        '
        'Button2
        '
        Me.Button2.Image = CType(resources.GetObject("Button2.Image"), System.Drawing.Image)
        Me.Button2.Location = New System.Drawing.Point(584, 32)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(24, 23)
        Me.Button2.TabIndex = 6
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(8, 32)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(100, 23)
        Me.Label2.TabIndex = 7
        Me.Label2.Text = "Dateiname"
        '
        'TxtTable
        '
        Me.TxtTable.Location = New System.Drawing.Point(112, 80)
        Me.TxtTable.Name = "TxtTable"
        Me.TxtTable.Size = New System.Drawing.Size(472, 20)
        Me.TxtTable.TabIndex = 8
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(8, 80)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(100, 23)
        Me.Label3.TabIndex = 9
        Me.Label3.Text = "Tabelle"
        '
        'TxtKeyField
        '
        Me.TxtKeyField.Location = New System.Drawing.Point(112, 104)
        Me.TxtKeyField.Name = "TxtKeyField"
        Me.TxtKeyField.Size = New System.Drawing.Size(472, 20)
        Me.TxtKeyField.TabIndex = 10
        '
        'TxtKeyValue
        '
        Me.TxtKeyValue.Location = New System.Drawing.Point(112, 128)
        Me.TxtKeyValue.Name = "TxtKeyValue"
        Me.TxtKeyValue.Size = New System.Drawing.Size(352, 20)
        Me.TxtKeyValue.TabIndex = 11
        '
        'KeyFeld
        '
        Me.KeyFeld.Location = New System.Drawing.Point(8, 104)
        Me.KeyFeld.Name = "KeyFeld"
        Me.KeyFeld.Size = New System.Drawing.Size(100, 23)
        Me.KeyFeld.TabIndex = 12
        Me.KeyFeld.Text = "Key-Feld"
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(8, 128)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(100, 23)
        Me.Label4.TabIndex = 13
        Me.Label4.Text = "Key-Value"
        '
        'txtBindDatafeld
        '
        Me.txtBindDatafeld.Location = New System.Drawing.Point(112, 152)
        Me.txtBindDatafeld.Name = "txtBindDatafeld"
        Me.txtBindDatafeld.Size = New System.Drawing.Size(472, 20)
        Me.txtBindDatafeld.TabIndex = 14
        '
        'Label5
        '
        Me.Label5.Location = New System.Drawing.Point(8, 152)
        Me.Label5.Name = "Label5"
        Me.Label5.Size = New System.Drawing.Size(100, 23)
        Me.Label5.TabIndex = 15
        Me.Label5.Text = "Bin-Datafeld"
        '
        'Button3
        '
        Me.Button3.Location = New System.Drawing.Point(112, 200)
        Me.Button3.Name = "Button3"
        Me.Button3.Size = New System.Drawing.Size(120, 40)
        Me.Button3.TabIndex = 16
        Me.Button3.Text = "DB -> Datei"
        '
        'Button4
        '
        Me.Button4.Location = New System.Drawing.Point(464, 200)
        Me.Button4.Name = "Button4"
        Me.Button4.Size = New System.Drawing.Size(120, 40)
        Me.Button4.TabIndex = 17
        Me.Button4.Text = "Datei -> DB"
        '
        'cbstring
        '
        Me.cbstring.Location = New System.Drawing.Point(488, 128)
        Me.cbstring.Name = "cbstring"
        Me.cbstring.Size = New System.Drawing.Size(104, 24)
        Me.cbstring.TabIndex = 19
        Me.cbstring.Text = "String"
        '
        'MainMenu1
        '
        Me.MainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem1})
        '
        'MenuItem1
        '
        Me.MenuItem1.Index = 0
        Me.MenuItem1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem2})
        Me.MenuItem1.Text = "&Datei"
        '
        'MenuItem2
        '
        Me.MenuItem2.Index = 0
        Me.MenuItem2.Text = "&Beenden"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(624, 249)
        Me.Controls.Add(Me.cbstring)
        Me.Controls.Add(Me.Button4)
        Me.Controls.Add(Me.Button3)
        Me.Controls.Add(Me.Label5)
        Me.Controls.Add(Me.txtBindDatafeld)
        Me.Controls.Add(Me.Label4)
        Me.Controls.Add(Me.KeyFeld)
        Me.Controls.Add(Me.TxtKeyValue)
        Me.Controls.Add(Me.TxtKeyField)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.TxtTable)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.txtFilename)
        Me.Controls.Add(Me.Label1)
        Me.Controls.Add(Me.txtConnstring)
        Me.Controls.Add(Me.Button1)
        Me.Menu = Me.MainMenu1
        Me.Name = "Form1"
        Me.Text = "SQL-BinData"
        Me.ResumeLayout(False)
        Me.PerformLayout()

    End Sub

#End Region

    Public args As String() = Environment.GetCommandLineArgs()


    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        Load_Data()
    End Sub

    Private Sub Load_Data()
        Dim dsdata As New DataSet
        Dim filename As String = Me.txtFilename.Text
        Dim sql As String = ""
        sql = "Select * from " + Me.TxtTable.Text
        sql = sql & " where " + Me.TxtKeyField.Text
        sql = sql & "="
        If Me.cbstring.Checked = True Then sql = sql & "'"
        sql = sql & Me.TxtKeyValue.Text
        If Me.cbstring.Checked = True Then sql = sql & "'"
        Try
            dsdata.Tables.Clear()
            Dim connection As New SqlConnection
            Dim da As New SqlDataAdapter(sql, connection)
            Dim cb As SqlCommandBuilder = New SqlCommandBuilder(da)
            Dim ds As New DataSet
            Try
                connection.ConnectionString = Me.txtConnstring.Text
                connection.Open()
                da.Fill(ds, "Daten")
                Dim myrow As DataRow
                If ds.Tables(0).Rows.Count = 0 Then
                    MsgBox("Empfänger konnten nicht geladen werden.")
                Else
                    If ds.Tables(0).Rows.Count > 1 Then
                        MsgBox("Mehr als ein Datensatz ausgewählt.", MsgBoxStyle.Exclamation)
                    Else
                        Dim i As Integer
                        Dim idatafield As Integer = -1

                        For i = 0 To ds.Tables(0).Columns.Count - 1
                            If UCase(ds.Tables(0).Columns(i).Caption) = UCase(Me.txtBindDatafeld.Text) Then
                                idatafield = i
                            End If
                        Next
                        If idatafield > -1 Then
                            myrow = ds.Tables(0).Rows(0)

                            Dim MyData() As Byte
                            MyData = myrow.Item(idatafield)
                            Dim K As Long
                            K = UBound(MyData)
                            Dim fs As New FileStream(Me.txtFilename.Text, FileMode.OpenOrCreate, FileAccess.Write)
                            fs.Write(MyData, 0, K)
                            fs.Close()
                            fs = Nothing
                        Else
                            MsgBox("Bin-Datenfeld in der Tabelle nicht vorhanden", MsgBoxStyle.Exclamation)
                        End If
                    End If
                End If

            Catch ex As Exception
                MsgBox("Ein Fehler ist aufgetreten" + ex.Message)
            Finally
                cb = Nothing
                ds = Nothing
                da = Nothing
                connection.Close()
                connection = Nothing
            End Try
        Catch ex As Exception
            MsgBox("Ein Fehler ist aufgetreten" + ex.Message)
        Finally
            dsdata = Nothing
        End Try
        MsgBox("Auslesen der Daten erfolgreich beendet.")
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim s As String
        Me.OpenFileDialog1.ShowDialog()
        If Me.OpenFileDialog1.FileName <> "" Then
            Me.txtConnstring.Text = ""
            FileOpen(1, Me.OpenFileDialog1.FileName, OpenMode.Input)
            While Not EOF(1)
                Input(1, s)
                Me.txtConnstring.Text = Me.txtConnstring.Text + s
            End While
            FileClose(1)
        End If
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Me.OpenFileDialog1.ShowDialog()
        If Me.OpenFileDialog1.FileName <> "" Then Me.txtFilename.Text = Me.OpenFileDialog1.FileName
    End Sub

    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        Save_Data()

    End Sub

    Private Sub save_data()
        Dim dsdata As New DataSet
        Dim filename As String = Me.txtFilename.Text
        Dim sql As String = ""
        sql = "Select * from " + Me.TxtTable.Text
        sql = sql & " where " + Me.TxtKeyField.Text
        sql = sql & "="
        If Me.cbstring.Checked = True Then sql = sql & "'"
        sql = sql & Me.TxtKeyValue.Text
        If Me.cbstring.Checked = True Then sql = sql & "'"
        Try
            dsdata.Tables.Clear()
            Dim connection As New SqlConnection
            Dim da As New SqlDataAdapter(sql, connection)
            Dim cb As SqlCommandBuilder = New SqlCommandBuilder(da)
            Dim ds As New DataSet
            Dim fs As New FileStream(filename, FileMode.Open, FileAccess.Read)
            Dim mydata(fs.Length) As Byte
            fs.Read(mydata, 0, fs.Length)
            fs.Close()
            connection.ConnectionString = Me.txtConnstring.Text
            connection.Open()
            da.Fill(ds, "empf")
            Dim myRow As DataRow
            If ds.Tables(0).Rows.Count = 0 Then
                MsgBox("Es wurde kein Daten für den Update selektiert.")
            Else
                If ds.Tables(0).Rows.Count > 1 Then
                    MsgBox("Es wurden mehr als 1 Datensatz für den Update selektiert.")
                Else
                    Dim i As Integer
                    Dim idatafield As Integer = -1

                    For i = 0 To ds.Tables(0).Columns.Count - 1
                        If UCase(ds.Tables(0).Columns(i).Caption) = UCase(Me.txtBindDatafeld.Text) Then
                            idatafield = i
                        End If
                    Next

                    myRow = ds.Tables(0).Rows(0)
                    myRow.Item(idatafield) = mydata
                    da.Update(ds, "empf")
                End If
            End If
            fs = Nothing
            cb = Nothing
            ds = Nothing
            da = Nothing
            connection.Close()
            connection = Nothing

        Catch ex As Exception
            MsgBox("Es ist ein Fehler aufgetreten." & ex.Message)
        End Try
        MsgBox("Speichern der Daten erfolgreich beendet.")
    End Sub

    Private Sub MenuItem2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem2.Click
        Me.Close()
    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        If args.Length > 0 Then
            If check_args() = False Then Me.Close()
        End If
        check_args()
    End Sub

    Dim arg_connectionstring As String = ""
    Dim arg_direction As String = ""
    Dim arg_filename As String = ""
    Dim arg_tablename As String = ""
    Dim arg_keyfield As String = ""
    Dim arg_keyvalue As String = ""
    Dim arg_binfield As String = ""

    Private Function check_args()
        If args.Length < 7 Then Return False
        Dim I As Integer
        For I = 1 To 7
            Select Case UCase(args(I).Substring(1, 2))
                Case "D:"
                    arg_direction = args(I).Substring(2, Len(args(I) - 2))
                Case "C:"
                    arg_connectionstring = args(I).Substring(2, Len(args(I) - 2))
                    Me.txtConnstring.Text = arg_connectionstring
                Case "F:"
                    arg_filename = args(I).Substring(2, Len(args(I) - 2))
                    Me.txtFilename.Text = arg_filename
                Case "T:"
                    arg_tablename = args(I).Substring(2, Len(args(I) - 2))
                    Me.TxtTable.Text = arg_tablename
                Case "K:"
                    arg_keyfield = args(I).Substring(2, Len(args(I) - 2))
                    Me.TxtKeyField.Text = arg_keyfield
                Case "V:"
                    arg_keyvalue = args(I).Substring(2, Len(args(I) - 2))
                    Me.TxtKeyValue.Text = arg_keyvalue
                Case "B:"
                    arg_binfield = args(I).Substring(2, Len(args(I) - 2))
                    Me.txtBindDatafeld.Text = arg_binfield
            End Select
        Next
    End Function

    Private Function Get_Connparam(ByVal No As String) As String
        Dim xmldoc As New XmlDocument
        xmldoc.Load(ApplicationPath() + "connections.xml")
        Return xmldoc.SelectSingleNode("/Configuration/" + No).InnerText
        xmldoc = Nothing
    End Function

    Public Function ApplicationPath() As String
        Return Path.GetDirectoryName([Assembly].GetEntryAssembly().Location) + "\"
    End Function

End Class