hello programmers, got a problem here. As you see i want to create a uploading/viewing of pictures in database. my problem is that it can only be stored on the database but cannot be viewed. I have (I think) the codes to view it but still it isnt working.. Plse help me
My codes on aspx
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default2.aspx.vb" Inherits="Default2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>Save Retrieve Images</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="lblEmpName" runat="server" Text="Employee Name"></asp:Label>
<asp:TextBox ID="txtEName" runat="server"></asp:TextBox>
<br />
<asp:Label ID="lblImage" runat="server" Text="Employee Image"></asp:Label>
<asp:FileUpload ID="imgUpload" runat="server" />
<br />
<br />
<asp:Button ID="btnSubmit" runat="server" onclick="btnSubmit_Click"
Text="Submit" />
  <asp:Label ID="lblResult" runat="server" ForeColor="#0066FF"></asp:Label>
<br />
<hr />
<asp:Image ID="Image1" style="width:200px" Runat="server" />
</div>
</form>
</body>
</html>
My Codes on VB.net
Imports System.Data.SqlClient
Partial Class Default2
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
End Sub
Protected Sub btnSubmit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
Dim connection As SqlConnection = Nothing
Try
Dim img As FileUpload = CType(imgUpload, FileUpload)
Dim imgByte As Byte() = Nothing
If img.HasFile AndAlso Not img.PostedFile Is Nothing Then
Dim File As HttpPostedFile = imgUpload.PostedFile
imgByte = New Byte(File.ContentLength - 1) {}
File.InputStream.Read(imgByte, 0, File.ContentLength)
End If
connection = New SqlConnection("Data Source=ML0003135586;Initial Catalog=TestSQL;Integrated Security=True")
connection.Open()
Dim sql As String = "INSERT INTO Employee(empname,empimg) VALUES(@enm, @eimg) SELECT @@IDENTITY"
Dim cmd As SqlCommand = New SqlCommand(sql, connection)
cmd.Parameters.AddWithValue("@enm", txtEName.Text.Trim())
cmd.Parameters.AddWithValue("@eimg", imgByte)
Dim id As Integer = Convert.ToInt32(cmd.ExecuteScalar())
lblResult.Text = String.Format("Employee ID is {0}", id)
Image1.ImageUrl = "~/Handler.ashx?id=" & id
Catch
lblResult.Text = "There was an error"
Finally
connection.Close()
End Try
End Sub
End Class
My Codes on handler.ashx
<%@ WebHandler Language="VB" Class="Handler" %>
Imports System
Imports System.Configuration
Imports System.Web
Imports System.IO
Imports System.Data
Imports System.Data.SqlClient
Public Class ShowImage
Implements IHttpHandler
Public Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest
Dim empno As Int32
If Not context.Request.QueryString("id") Is Nothing Then
empno = Convert.ToInt32(context.Request.QueryString("id"))
Else
Throw New ArgumentException("No parameter specified")
End If
context.Response.ContentType = "image/jpeg"
Dim strm As Stream = ShowEmpImage(empno)
Dim buffer As Byte() = New Byte(4095) {}
Dim byteSeq As Integer = strm.Read(buffer, 0, 4096)
Do While byteSeq > 0
context.Response.OutputStream.Write(buffer, 0, byteSeq)
byteSeq = strm.Read(buffer, 0, 4096)
Loop
End Sub
Public Function ShowEmpImage(ByVal empno As Integer) As Stream
Dim connection As SqlConnection = New SqlConnection("Data Source=ML0003135586;Initial Catalog=TestSQL;Integrated Security=True")
Dim sql As String = "SELECT empimg FROM Employee WHERE empid = @ID"
Dim cmd As SqlCommand = New SqlCommand(sql, connection)
cmd.CommandType = CommandType.Text
cmd.Parameters.AddWithValue("@ID", empno)
connection.Open()
Dim img As Object = cmd.ExecuteScalar()
Try
Return New MemoryStream(CType(img, Byte()))
Catch
Return Nothing
Finally
connection.Close()
End Try
End Function
Public ReadOnly Property IsReusable() As Boolean Implements IHttpHandler.IsReusable
Get
Return False
End Get
End Property
End Class
plss help and more power programmers
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