URGENT:How To Store And Retrive Images From SQL SERVEr 2005 In Asp.net 2.0

Jul 2, 2006

 i am working on a uni project based on orkut and is having dfficulty in storing and retrieving images..

can anybody please guide me...

thanx

 

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Store And Retrive Images (JPEG/PNG/GIF/JPG) In Sql Server Express 2005 In ASP.net Through C#

Jul 17, 2007

Hi friends



plese help me for my little things.



I m student and develop a website. i want to know how images /pics and video and audio files are store in Sql server2005 database. and ya i want to store whole file not just its address.

i using asp page like uploadImage.aspx in that i put UploadFiles control now i m confuesd to storing Images so plese help me and give code or some good easy trick at my level



And once store image or video and audio file in sql database then after how i used in my asp.net page. which control i wish to used for this files so plese this also slove it. give also code or any easy trick for fullfil my task..



i hope u all help me

Thanx in advance to u all friends

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this is the code for "upload" button.Protected Sub uploadbtn_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles uploadbtn.Click
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Try
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hi,
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thank you

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Jun 19, 2007

I have recently designed and built my first database using SQL server 2005 express. I have included an image (BLOB) column in one of the database tables. This is a bad idea according to some experts, and some say it is OK!


I am currently carrying out a trial with just 3 pictures via Visual Basic 2005 express forms, and there is no problem so far as the images are displayed for each record. But I anticipate between 300 - 1000 images for the table, and this could pose real problems for SQL server 2005 express and Visual Basic 2005 express, I guess.


I have just been reading that the cost of storing large images in the database is too high! I have also read it's better to store images (BLOB) into the file system because it is cheaper to store them no matter how many there are.


But the question is how I can reference an image in this path: C:PictureProductGrocery0052745.jpg in the database table, so that when I select a record Visual Basic 2005 forms the image is displayed accordingly, similar as when stored directly in the database table? Your help very much appreciated.

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How To: Store And Retrieve Images In A Database As A Byte Array.

Feb 28, 2008

I€™ve inherited a project from one of the guys on our team who will be out sick for a while. He developed two for marshaling data between System.Drawing.Image and System.Byte(). He€™s storing the byte array data in a database image field.

I€™ve retrieved the byte array data from his database image fields and have successfully converted them to images using his ConvertByteArrayToImage method below. I have also converted and image to a byte array with his ConvertImageToByteArray method below and succfully stored the data in a database image field. However, when I retrieve the byte array data that I stored in the database the last line in his ConvertByteArrayToImage method throws an exception (Parameter is not valid). I€™ve not been able to find a working copy of his code that€™s storing the byte array data. Does anyone see anything I€™m overlooking?

Imports System.Drawing
Imports System.IO

Public Sub InsertImage(ByVal pFilename As String)

Try

Dim lImage As Image
Dim lBA() As Byte
Dim lSQL As String
Dim lQuery As Alcon.SQLServer.Database.clsQuery
Dim lParameters As New Alcon.SQLServer.Database.clsParameters

lImage = Image.FromFile(pFilename)

ConvertImageToByteArray(lImage, lBA)

' Initialization
lQuery = New Alcon.SQLServer.Database.clsQuery(mConnection)

lSQL = ""
lSQL += "INSERT INTO [TBL_PCL_LENS_DATA]("
lSQL += "[SerialNumber], "
lSQL += "[ProcessedDate], "
lSQL += "[CartonLabelImage]) "
lSQL += "VALUES ("
lSQL += "@SerialNumber, "
lSQL += "@ProcessedDate, "
lSQL += "@CartonLabelImage "
lSQL += ")"

lParameters.Add("@SerialNumber", SqlDbType.VarChar, ParameterDirection.Input, mSerialNumber)
lParameters.Add("@ProcessedDate", SqlDbType.DateTime, ParameterDirection.Input, Now)
lParameters.Add("@CartonLabelImage", SqlDbType.Image, ParameterDirection.Input, lBA)

' Execute query
lQuery.Execute(lSQL, lParameters)

Catch ex As Exception
Throw
End Try

End Sub

ConvertByteArrayToImage(ByVal pBA() As Byte, ByRef pImage As Image)

Try

' Declaration
Dim lMS As MemoryStream

' Initialization
lMS = New MemoryStream(pBA, 0, pBA.Length)
lMS.Write(pBA, 0, pBA.Length)
lMS.Position = 0

' Create image
pImage = Image.FromStream(lMS, True)

Catch ex As Exception
Throw
End Try

End Sub

ConvertImageToByteArray(ByVal pImage As Image, ByRef pBA() As Byte)

Try

' Declaration
Dim lBM As Bitmap
Dim lBR As BinaryReader
Dim lMS As New MemoryStream

' Initialization
lBM = New Bitmap(pImage)
lBM.Save(lMS, Imaging.ImageFormat.Png)
lBR = New BinaryReader(lMS)

' Create byte array
pBA = lBR.ReadBytes(lMS.Length)

Catch ex As Exception
Throw
End Try

End Sub

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Feb 15, 2000

I read that it is possible to store the image externally and simply store the path to it in a plain
varchar variable. Then this would leave the image in the original form, viewable by whatever
could view it normally without conversion. How would this be done.
Or if you do a WRITETEXT table.photo @ptrval 'd:empphoto24.jpg' where the path is the path
to the image? Does this save the image or just the english word that represent the link?
Thank you for any help!!!

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Inserting Images - Urgent

Feb 15, 2000

I read that it is possible to store the image externally and simply store the path to it in a plain
varchar variable. Then this would leave the image in the original form, viewable by whatever
could view it normally without conversion. How would this be done.
Or if you do a WRITETEXT table.photo @ptrval 'd:empphoto24.jpg' where the path is the path
to the image? Does this save the image or just the english word that represent the link?
Thank you for any help!!!

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Hey all,I'm working on a database which (I hope) will have photos in it. However, I'm having difficulty how to properly insert photos into an SQL database. I see that it has an 'image' data-type, but I don't know how to make proper use it.Given that the answer to this question could be quite lengthy, if someone could provide me a link to somewhere, or a book to pick up that could answer this answer, I would be most gratified. Thanks!

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May 24, 2006

hi,
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i would like to keep all the data in one location (sql server in this case), so what i had in mind is following:i am going to save the original image data on a sql server. now, the website user can view a (multiple) thumbnail version(s) of the original image and the orig. image itself, so instead of getting the original image from sql and resizing it everytime, i was going to create a file(s) on a sep. server with the resized image(s) that would be called instead (think of it as file-cache). this would reduce the load on the sql server drastically since all the thumbnails (and orig. image) would have the file version of themselfes and would be loaded from the separate server. this way i could have all my data on a sql server, have thumbnail images on an "image server" and everything should be fine with the exception of the increased disk space. Also, i would not have to worry about having 2 backups since i have all the data on sql and each image/thumbnail would be file-cached on it's first call. if the file-cache of the image is not available for whatever reason i would just load straight from the db.
i would appreciate any suggestions on this.
thanks :)

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Storing Images In Sql Server 2005

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Hi There

I have not had much luck finding info in BOL.

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What is the best way to do this? TSQL (i am hoping), .NET code or maybe even SSIS ?

I have been reading what i can find in BOL basically all i know so far is that image data type will be no more in the future and i should use a varbinary(max) data type.
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Thanx

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Hi There

I have not had much luck finding info in BOL for tsql or SSIS that tells one how to load images on the file system into sql server 2005.

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Thanx

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