Results 1 to 4 of 4

Thread: Help read and write picture from database

Threaded View

  1. #1

    Thread Starter
    Junior Member
    Join Date
    Mar 2009
    Posts
    19

    Help read and write picture from database

    Code:
    Imports System.IO
    Imports System.Data.OleDb
    Imports System.Drawing.Imaging
    Public Class building
        Public Enum AnimateWindowFlags
            AW_HOR_POSITIVE = &H1
            AW_HOR_NEGATIVE = &H2
            AW_VER_POSITIVE = &H4
            AW_VER_NEGATIVE = &H8
            AW_CENTER = &H10
            AW_HIDE = &H10000
            AW_ACTIVATE = &H20000
            AW_SLIDE = &H40000
            AW_BLEND = &H80000
        End Enum
    
        Public Declare Auto Function AnimateWindow Lib "user32" (ByVal hwnd As IntPtr, ByVal time As Integer, ByVal flags As AnimateWindowFlags) As Boolean
        Sub animateWin(ByVal frmToAnimate As Form, ByVal showForm As Boolean)
            If showForm Then
                AnimateWindow(frmToAnimate.Handle, 1000, AnimateWindowFlags.AW_HOR_NEGATIVE Or AnimateWindowFlags.AW_SLIDE)
            Else
                AnimateWindow(frmToAnimate.Handle, 1000, AnimateWindowFlags.AW_HOR_POSITIVE Or AnimateWindowFlags.AW_HIDE)
            End If
        End Sub
    
    
        Dim ConStr As String = "Provider=Microsoft.Jet.OLEDB.4.0;" & _
           "Data Source =" & Application.StartupPath & "\MyDatabase.mdb"
        Dim Conn As New OleDbConnection(ConStr)
        Dim DataSet1 As New DataSet
        Dim SQLstr As String = "SELECT * FROM t_bul"
        Dim SQLstr2 As String = "SELECT * FROM Customer"
        Dim rec As Rectangle = New Rectangle(0, 0, Me.Width, Me.Height) 'create a new recatangle
        Public edit As Boolean
        
        Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
            Dim conn, CON, con1 As New OleDbConnection(ConStr)
            Dim DS As New DataSet
    
            Dim cmd1 As New OleDbCommand
            Dim DataAdapter1 As New OleDbDataAdapter
            Dim dataset1, dataset2 As New DataSet
            cbocity.Enabled = True
    
            If Me.ComboBox1.SelectedIndex = 0 Then
    
                cmd1.CommandText = "Select * From Capital"
                cmd1.Connection = CON
                CON.Open()
                DataAdapter1.SelectCommand = cmd1
                DataAdapter1.Fill(dataset1, "Capital")
                CON.Close()
                cbocity.DataSource = dataset1.Tables("Capital")
                cbocity.DisplayMember = "location"
                cbocity.ValueMember = "location"
    
            ElseIf Me.ComboBox1.SelectedIndex = 1 Then
                cmd1.CommandText = "Select * From Central"
                cmd1.Connection = CON
                CON.Open()
                DataAdapter1.SelectCommand = cmd1
                DataAdapter1.Fill(dataset1, "Central")
                CON.Close()
                cbocity.DataSource = dataset1.Tables("Central")
                cbocity.DisplayMember = "location"
                cbocity.ValueMember = "location"
    
            ElseIf Me.ComboBox1.SelectedIndex = 2 Then
                cmd1.CommandText = "Select * From Muharraq"
                cmd1.Connection = CON
                CON.Open()
                DataAdapter1.SelectCommand = cmd1
                DataAdapter1.Fill(dataset1, "Muharraq")
                CON.Close()
                cbocity.DataSource = dataset1.Tables("Muharraq")
                cbocity.DisplayMember = "location"
                cbocity.ValueMember = "location"
    
            ElseIf Me.ComboBox1.SelectedIndex = 3 Then
                cmd1.CommandText = "Select * From Northern"
                cmd1.Connection = CON
                CON.Open()
                DataAdapter1.SelectCommand = cmd1
                DataAdapter1.Fill(dataset1, "Northern")
                CON.Close()
                cbocity.DataSource = dataset1.Tables("Northern")
                cbocity.DisplayMember = "location"
                cbocity.ValueMember = "location"
    
            ElseIf Me.ComboBox1.SelectedIndex = 4 Then
                cmd1.CommandText = "Select * From southern"
                cmd1.Connection = CON
                CON.Open()
                DataAdapter1.SelectCommand = cmd1
                DataAdapter1.Fill(dataset1, "southern")
                CON.Close()
                cbocity.DataSource = dataset1.Tables("southern")
                cbocity.DisplayMember = "location"
                cbocity.ValueMember = "location"
            End If
        End Sub
    
        Private Sub building_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
            animateWin(Me, True)
    
            Dim SQLstr3 As String = "SELECT * FROM tblPictures"
            Conn.Open()
    
            Dim DataAdapter1 As New OleDbDataAdapter(SQLstr, Conn)
            Dim DataAdapter2 As New OleDbDataAdapter(SQLstr2, Conn)
            Dim DataAdapter3 As New OleDbDataAdapter(SQLstr3, Conn)
            DataAdapter1.Fill(DataSet1, "t_bul")
            DataAdapter2.Fill(DataSet1, "Customer")
            DataAdapter3.Fill(DataSet1, "tblPictures")
            Conn.Close()
            Me.txtrea.DataBindings.Add("text", DataSet1, "t_bul.RealestateNo")
            Me.txtnum.DataBindings.Add("text", DataSet1, "t_bul.Serianumber")
            Me.DateTimePicker1.DataBindings.Add("text", DataSet1, "t_bul.Date")
            Me.ComboBox1.DataBindings.Add("text", DataSet1, "t_bul.Governorate")
            Me.cbocity.DataBindings.Add("text", DataSet1, "t_bul.City")
            Me.ComboBox2.DataBindings.Add("text", DataSet1, "t_bul.Transaction")
            Me.txtclass.DataBindings.Add("text", DataSet1, "t_bul.Classification")
           
            Me.txtbarea.DataBindings.Add("text", DataSet1, "t_bul.Buildingarea")
            Me.txtvalue.DataBindings.Add("text", DataSet1, "t_bul.TotalValue")
            Me.txtnote.DataBindings.Add("text", DataSet1, "t_bul.Note")
          Me.PictureBox1.DataBindings.Add("text", DataSet1, "tblPictures.Picture")
    
    
            Me.TextBox1.DataBindings.Add("text", DataSet1, "Customer.RealestateNo")
            Me.txtname.DataBindings.Add("text", DataSet1, "Customer.Customer Name")
            Me.txtcpr.DataBindings.Add("text", DataSet1, "Customer.CPR")
            Me.txttelephone.DataBindings.Add("text", DataSet1, "Customer.Telephone")
            Me.txtmobile.DataBindings.Add("text", DataSet1, "Customer.Mobile Phone")
            Me.txtfax.DataBindings.Add("text", DataSet1, "Customer.Fax")
            Me.txtemail.DataBindings.Add("text", DataSet1, "Customer.Email")
            Me.txtaddress.DataBindings.Add("text", DataSet1, "Customer.Address")
            Me.txtincome.DataBindings.Add("text", DataSet1, "Customer.Monthly income")
    
    
    
    
    
    
            ChangePosition()
        End Sub
        Function ge()
            Dim ImageData() As Byte
            Dim MemoryStream As MemoryStream
            Dim strSQL As String = String.Empty
            Dim Con As New OleDb.OleDbConnection
            Dim Cmd1 As New OleDb.OleDbCommand
    
            Dim cn As New OleDb.OleDbConnection(ConStr)
            Dim cmd As New OleDb.OleDbCommand("Select Picture From tblPictures ORDER BY Realestateno", cn)
            Dim da As New OleDbDataAdapter(cmd)
            Dim ds As New DataSet()
            da.Fill(ds, "tblPictures")
            Dim c As Integer = ds.Tables("tblPictures").Rows.Count
            If c > 0 Then
                cn.Open()
                Dim bytBLOBData() As Byte = _
                ds.Tables("tblPictures").Rows(c - 1)("Picture")
                ImageData = CType(cmd.ExecuteScalar, Byte())
                If Not ImageData Is Nothing Then
                    MemoryStream = New IO.MemoryStream(ImageData)
                    Me.PictureBox1.Image = New Bitmap(MemoryStream)
    
                End If
            End If
         
        End Function
    
        Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
            Me.BindingContext(DataSet1, "t_bul").Position = 0
            Me.BindingContext(DataSet1, "Customer").Position = 0
    
            ChangePosition()
        End Sub
    
        Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
            Me.BindingContext(DataSet1, "t_bul").Position += 1
            Me.BindingContext(DataSet1, "Customer").Position += 1
    
            ChangePosition()
        End Sub
    
        Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
            Me.BindingContext(DataSet1, "Customer").Position = Me.BindingContext(DataSet1, "Customer").Count - 1
            Me.BindingContext(DataSet1, "t_bul").Position = Me.BindingContext(DataSet1, "t_bul").Count - 1
    
            ChangePosition()
        End Sub
    
        Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
            Me.BindingContext(DataSet1, "t_bul").Position -= 1
            Me.BindingContext(DataSet1, "Customer").Position -= 1
    
    
            ChangePosition()
        End Sub
    
    
        Public Sub ChangePosition()
            If Me.BindingContext(DataSet1, "t_bul").Position = -1 Then
                Label1.Text = "Record  0  from  0  "
                Button3.Enabled = False
                Button2.Enabled = False
            Else
                Label1.Text = "Record  " & Me.BindingContext(DataSet1, "t_bul").Position + 1 & _
              "  from  " & Me.BindingContext(DataSet1, "t_bul").Count
            End If
    
        End Sub
    
        Private Sub Button8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
            Close()
        End Sub
    
    
    End Class
    the picture is not chanage
    please help me to solve that
    i have table building
    customer
    tblpicture

    table building contain the buildin information
    table costomer conrian the customer information
    table picture conrian the Picture

    i save these information from anther form but when i binding the data
    and click next button the picture dont change please help me

    this is my program
    Attached Images Attached Images  

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  



Click Here to Expand Forum to Full Width