C# - Access Images From External Storage In ASP.NET?

Jan 21, 2010

I have an ASP.NET site in a web server and the images are stored in NAS (some kind of lacie external storage), I tried UNC and other things but no success.how can I access images from external storage in ASP.NET

Update: The images are reachable from the server but when I try to access in ASP.NET throws me error.

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How To Get Unique IDs Of Various Storage Devices (usb Stick, SD Card, External HDD, Etc)

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I am trying to come up with something that will let me obtain a unique ID of some sort for most types of storage devices. These can be USB thumb drives, SD cards, external hard drives, etc.

I have run across this:[code..]

But I can't find anything similar within .NET. Can anyone point me in the right direction?
My end goal is to be able to define specific hardware storage devices, and then have my application auto-detect them when they are plugged in.

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VS 2005 Images / Icons In External .dll?

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I'd like to move my images / icons and wav files (basically, almost all of my internal resources) from an existing project (VB 2005) and put them in an external dll, then reference this from my exe and call the relevant resource as required.

What would be the best way of doing this?I understand that I should create a ClassLibrary and put my resources in that, but how should I expose those resources to an external program and how should I reference and call the dll from my exe?

I've done some searching, but not found anything that seems to explain the process adequately enough.

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I have a client who wants his custom-written CRM to be able to access his sales people's emails so that, effectively, a history of email conversations between customer and salesperson is stored inside the CRM's database.

The CRM is written in VB 2008 and the database is SQL Server 2008. The only email these people use, in the shop and on the road, is GMAIL. Each sales person has their own GMAIL address. Thats how they operate.

If they're on the road and respond to a customer's email inquiry about a product, they would like that email conversation to be stored in a table in the database. I think thats the part I cant wrap my head around. How to get access to the email data (knowing the user id and password) and doing so from VB 2008

Update: A free or close to free solution would be preferred.

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I want to package and deploy windows app which has images in allimages folder,resource folder is also generated that refers to all images in my vs 2008 application.I have calc.exe
in debug folder.I tried deploying using setup project that uses windows installer, when i run application some images r not seen and error is generated.whatt r exact steps to
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I am quite green to VB .NET and it start occuring to me that I am doing things probably in a very ineffective way.Anyway here is the problem I have datasets, consisting of integers there is set 1 which is of format ID, ID2 - ID here is unique but different ID can refer to same ID2. Before I start reading in the data I have unknown number of these entries (ID and ID2 can be at least as high as 99999999)

Then I have a second data set of format ID2 here is the same as in the set 1 and it can contain several PID entries (all integers). In this set the ID2 is unique and again for one ID2 there can be unknown amount of these PIDs, same PID can occur more than once.

[Code]...

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MS Access 2007/2010 Attachment Field Retrieval And Storage

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I'm opening this discussion up primarily because I felt that it was inappropriate that Samir Ibrahim and I had hijacked another thread by turning it into a collaborative development thread. This thread will also hopefully serve as a searchable reference for those few who actually make an attempt to search the forum for information before posting a question. For reference the original thread I mentioned is [URL]

This thread is meant to be a repository for our continued collaboration on trying to find a way to update the attachment field using the OLEDB class. Samir believes that he is close to cracking the secret code.:)

Attachment retrieval and updating is a fairly trivial task using the Microsoft Access Database Engine. It is also fairly trival to retrieve the attached files using OLEDb as well. The difficulty comes when trying to add or delete an attachment with OLEDB.

The attachment field is actually a record set where each record consists of six fields. One of these fields is the data field that contains the binary file data. According to the documentation, Access will compress certain file. It appears that compression/decompression is handled behind the scenes so to say and what you are present with is sequence of bytes. The data field consists of sequence of header bytes followed by the actual data. The first four bytes define an offset to the start of the data. One thing that we are trying to determine is the meaning of other bytes in the header.

I have uploaded a sample project at: [URL]

This project is by no means a finished product. It is hard code to retrieve the first record from the included Access database.

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Data Storage Methods (access/sql Etc) Require The End User To Download Extra Files?

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I'm just getting started with Visual Studio (2005), and my aim is to write a fairly simple application in Visual Basic that will need to store some data to disk.What I really want is to be able to send the application to the end users (xp, vista, win7) and have them just be able to use it without having down download all kinds of extras. For example I'm guessing that if I use an SQL database in my application they will need to download SQl server express or some other sql downloadable?

If so is there a similar downloadable for MS Access?I'm just in the 'seeing how things work' stage at the moment and I don't want to waste time going down the SQL track just to find it won't actually work unless my users all download SQL to their machines (which they won't want to do).

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I have a DLL that I made in FORTRAN to do some number crunching. It works in VB6 and in VBA within Excel. But I cannot get it to work in VB2008 or VB2010. If I try to access it the subroutines in the DLL I get either, 1) Structure of DLL invalid error or 2) Cannot find the DLL error.

Here is my VB2010 code for a smaller demo app that came with the FORTRAN development system. Again, this works with VB6 and VBA but not with VB.net

vb.net
Imports System
Imports System.Runtime.InteropServices
Public Class Form1

[code]....

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May 20, 2010

I'm attempting to call an external public sub from another dll. I've added the dll as a reference and in VS Express 2010 it shows in my intellisense, however, it errors "Non-shared member requires object reference.[code]...

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I want to create a vb.net project that I will use to only hold image and string resources that I will need in multiple projects.What I can't figure out is how do I access these resources using code from other projects.

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i want to link an externel table to an ms access database through vb.net. Is this possible. I am able to create a new database and a new table is created.

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Or <%=Resources.MyApp.Name %> for plain text

What's the best way of accessing my Resources from my website aspx files now that they are in a Class Library DLL?

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I've a problem with an application i have to use at work. That application is in .net (created by my company). The application call some object that are .exe file. When i try to open it i received the following error:

cannot access a disposed object

I know that it's not really revelant but i've got that problem on my pc and my collegue that use the same application doesn't received that error.I've already check their configuration and i've the same than us. I supposed there are some problems of compatibilty with the framework or thing like that.

Stacktrace
************** Exception Text **************
System.ObjectDisposedException: Cannot access a disposed object named "Form".
Object name: "Form".

[code]....

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Jul 25, 2011

I'm using access to replicate something that is very simple in excel. I have one "due date" column, and I want the cell right next to those cells to tell me if there are less than 15 days to that date. In excel is a simple conditional function, but I want to do it in Access because it looks better.I'm new to access and even though I've been reading some posts and forums I haven't been able to pull this out. I tried to program a macro with the following

Sub Alarma()
[Alarma] = IIf([Fecha de vencimiento] - 15 > Date(), " ", "Faltan menos de 15 d�as")

[code]....

It shows the following error -> Compilation error: External name not defined.

So, it's not reading the "Alarma" field... how do I define this field? It's inside a formulary, and Alarma is the title (I downloaded a template from the internet and changed the titles so I wouldn't have to do it from scratch...)

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I'm writing small VB.Net app which should build reports based on data gathered from some external MDB-files (Access 2007).

It was planned that this app will use parametrized SQL queries to collect data from DBs.

One of the parameters for these queries is path to the external MDB-file.

Here goes sample code:

Dim conn As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:TempTemp.mdb;")
conn.Open()

[Code]....

Looks simple but doesn't works. After launch my app throws following exception - System.Data.OleDb.OleDbException: Disk or network error.

Have spent a whole day to make it work with no success. What have I done wrong?

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Sql - External Database Path As Parameter For Parametrized Query To Access

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I'm writing small VB.Net app which should build reports based on data gathered from some external MDB-files (Access 2007). It was planned that this app will use parametrized SQL queries to collect data. One of the parameters for these queries is path to the external MDB-file.

Here goes sample code:

Dim conn As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;" _
& "Data Source=C:TempTemp.mdb;")
conn.Open()

[Code]....

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Insert Images In Access DB?

Jul 15, 2011

I'm developing a program in Vb.net + Access DB, and I need to insert images in the DB.

What I've done for picking images is:

Me.OpenFileDialog1.Title = "Abrir Ficheiros..."
Me.OpenFileDialog1.FileName = ""
Me.OpenFileDialog1.Filter = "Ficheiros de imagens (*.jpg)|*.jpg|Todos (*.*)|*.*"

[Code]......

Just to add that in the DB I have the type of data from the field Fotografias as text.

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I have a Windows 2008 IIS web server that runs an online application. The applications runs on a local SQL database. Images, however, are not stored in the database. The images are stored in a separate folder on the web server. When I run the application on the local LAN, I just use a standard UNC path to access the folder with the images. I want to start running my application over the internet. I can't use UNC paths over the internet.

how can I access this shared folder with my VB.NET program over the internet?

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Retrieve Images From Access Database?

Mar 12, 2012

I am trying to retrieve jpg files from access database this is the code I used to insert the jpg picture into the database. I am using vb.net 2010 and access 2010

Dim jpgFile As String = "C:UsersPublicPicturesSample PicturesJellyfish.jpg"
Dim o As System.IO.FileStream = New FileStream(jpgFile, FileMode.Open, FileAccess.Read, FileShare.Read)
Dim r As System.IO.StreamReader = New StreamReader(o)
Try

[code]....

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I'm trying to access some images I've copied into a folder within Solution Explorer. For the life of me I can't figure out how to access them programmatically.

I'm using VB 2010 Express Edition. The folder name is 'Images'. The image name is 'checked.png'.

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How To Store Images In Access Data Base From By Using Web Cam

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Dear reader i have one problem,that is how to store the images in access data base from by using web cam ?

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how to store & retrieve images from d access database using vb.net 2008

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How To Generate Random Images From Access Database Using Hashset?

Jun 22, 2010

I am trying to generate random images from access database using hashset as it is said to be unique and there won't be any repeated images appearing. But, it doesn't seem to work.

How can i get it to work? By the way, i am very new to the concept of hashset.
Private Function GetImageFromByteArray(ByVal picData As Byte()) As Image
If picData Is Nothing Then
Return Nothing
End If

' is this is an embedded object?
Dim bmData As Integer = If((picData(0) = 21 AndAlso picData(1) = 28), 78, 0)

' load the picture
Dim img As Image = Nothing
Try
Dim ms As New MemoryStream(picData, bmData, picData.Length - bmData)
img = Image.FromStream(ms)
Catch
End Try

' return what we got
Return img

End Function

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

Panel1.Visible = False
Panel2.Hide()


Dim conn As New OleDbConnection
Dim DA As OleDbDataAdapter
Dim DS As New DataSet


conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=db1.mdb;User Id=admin;Password=;"

DA = New OleDbDataAdapter("Select Empty, EmptyName, Target, TargetName from PicturesDisplayed", conn)
DA.Fill(DS)

Me.PictureBox1.SizeMode = PictureBoxSizeMode.StretchImage


Dim oledbconnection As OleDbConnection
oledbconnection = New System.Data.OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Documents and SettingsAdministratorDesktopdb1.mdb;Jet OLEDB:System Database=system.mdw;")

oledbconnection.Open()
Dim command As OleDbCommand
command = New OleDbCommand("select count (*) from PicturesDisplayed", oledbconnection)
Dim count As Integer
count = command.ExecuteScalar()
oledbconnection.Close()


Dim randomImage As New HashSet(Of Integer)
' Create a integer and new Random object
Dim intPic As Integer
Dim rand As New Random

'Pick a random number between 0 and the number of images in database
intPic = rand.Next(0, count)
randomImage.Add(intPic)

PictureBox1.Height = 256
PictureBox1.Width = 256

PictureBox2.Height = 256
PictureBox2.Width = 256


Dim pic1x As Integer = _
(Me.ClientSize.Width - PictureBox1.Width) 2
Dim pic1y As Integer = _
(Me.ClientSize.Height - PictureBox1.Height) 2
PictureBox1.Location = New Point(pic1x, pic1y)


Dim pic2x As Integer = _
(Me.ClientSize.Width - PictureBox2.Width) 2
Dim pic2y As Integer = _
(Me.ClientSize.Height - PictureBox2.Height) 2
PictureBox2.Location = New Point(pic2x, pic2y)

' Now set the picturebox image equal to the image chosen from the array randomly using the random
PictureBox1.Image = GetImageFromByteArray(DS.Tables(0).Rows.Item(intPic).Item(0))
PictureBox1.Visible = True
PictureBox2.Image = GetImageFromByteArray(DS.Tables(0).Rows.Item(intPic).Item(2))
PictureBox2.Visible = False


If (randomImage.Count = count) Then
Me.Close()
End If

End Sub

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Making SlideShowExtender Retrieve Images From MS Access Database?

Jan 10, 2012

In my Microsoft access database I have a table called Picture and 3 fields: ID, Name, Image. I was wondering if it was possible to get all the images from the field 'Image' and display them into SlideShowExtender.

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Move Through Access Stored Images In Visual Basic?

Dec 10, 2011

So I have an application that saves and retrieves images from an Access database. The images are displayed in a picturebox but I'm having a bad time figuring out how can I move to the next/previous record/image in the database, so the user can view them and delete it if he wants to...

Here is a screen of my form so you can better understand what I'm trying to do:

And here is the

Imports System.Data.OleDb
Public Class Form1
Dim dbConnection As New OleDbConnection

[Code]....

Save and delete functions work fine, I just need to know how to do the Next and Previous buttons... This should be easy to do, but I'm still a beginner to VB

Biggest problem is that this is a part of a school work which I must deliver tomorrow.

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Capture Images And Store It In Access Data Base In Program?

Dec 23, 2009

I want to capture images and store it in access data base in vb.net 2005

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Data Access - Read And Write Images From A Database Doesn'?

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i've download the 101 Visual Basic and C# Code Samples from downloads/details.aspx?familyid=08E3D5F8-033D-420B-A3B1-3074505C03F3&displaylang=en i was going to learn "VB.NET - Data Access - Read and Write Images from a Database" from that 101. the program is written in 2003 the conversion of the problem to 2005 and 2008 failed.

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My Resources Object - Access Resource Images Without Strongly Typing?

Jun 18, 2009

I am having a problem accessing my resource images. a brief history, my image name is the same as my item name I want to display the proper image with the associated item in a data grid, as I loop through and load my datagrid I need to combine "My.Resources._" with the item number to correctly associate the proper image.

[Code]...

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