Image Byte Resize As Thumbnail
Aug 12, 2010
I have a working application to save an image file to my sql database (Saves as "Original_Image" in the DB TBL_ImageGallery). I have a file limit on the upload of 1 MB. This also works great and the image is being saved beautifully. I found a bit of an issue. Being i am working on a network with 2 bonded T1 connections the streaming of images to my site, when tested internally, is effortless. I am not sure that this will be the same with a generic bandwidth. I want to store the original image size into the databse (already done) but also store a smaller sized (in bytes not actual size [Width, Height]) to my database in a "ThumbNail" column. This will allow the browser to only have to pass the "Thumbnail" sized image, obviously this needs to be much smaller than the original (ex: 1MB orignal I want to save as 12KB image in the thumbnail column), to the thumbnail img control in the user's interface.
I am not sure if this is possible or if there is a need of third party controls. I am interested in doing this as either a stored procedure or in the C# code on an event fire. There may be a better / other solution to this and if that is the case I am also interested
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Jun 23, 2010
i am facing a prblem about image resizing.. i know it is a common problem but the scinario is little different here. i have some image in my server image directory and also have their small 128 X 128 sized thumbnail..i show a page with those images like 'facebook photo album' and also linked another page to display them..when a picture is clicked it refferd to that page and that page loads the full sized original image along with picture comments bla bla..., the page width is fixed to 1024px, and the div's width is 800px max which contains the <asp:image..../>; that shows the full sized image. here the problem comes, when a original sized picture is greater that 800px then the remaining part of the picture is croped !! i know it will happen.. that is why i planned to show a thumbnail like pic which's size will be 800px max and link the page with a pop up java script page which will contain the full sized picture only. the problem is i can't resize the picture in a limit of 800px on fly.
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May 21, 2010
I have a ModalPopupExtender control inside accordin control, users can add images, that I sotre the path in database(sql server) and the actual image in physical address inside web server,I automatically resize the image to thumbnail size in C#, when users first connect to the site,the see the thubmnail version of the image,which is much faster to download,and by clicking the thubnail, the hidden asp:pnael is shown with imzge in full size, I use javascript to unhide the panel and also change the image source to actual image,everything works fine in IE, but in Firefox and Chrome, the first time user clicks on thumbnail can not see the full size image,only after couple of time, they see the full size image? what could be the problem?
I am using asp.net ,C# what is the best way to achieve this?
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Apr 3, 2010
Not sure if this is the correct section to ask this but this is regarding storing datatype problem.im trying to convert an image file retrieve from a folder and convert it to Byte so that i can save into database
In below function i retrieve and convert the image from a folder to byte
[Code]....
Then i set ImageUrl in PageLoad
[Code]....
My image datatype in database is image
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Dec 5, 2010
I have a simple store that I have created following the book "Pro ASP.Net MVC 2 Framework" and in this book there is one table in the db: product.
This table hold the product data (id, name, price, category, image)
There is a sqlrepository that returns a linq table object in the sqlrepository constructor like this:
[Code]....
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Oct 12, 2012
I need to develop image gallery
Image saved in Folder called Images and image Name , Description saved in Database Table Images.
On Deafault.aspx
Thubnail images should display with out any change in Quality i.e by DataList Control
On Click of Thubnail images Fullview of image with width and height same as image width and height
Next, Previous, Close Buttons on Popup window
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Jul 3, 2012
i want to generate thumbnail image from big image and store into separate folder.
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May 11, 2010
I want to display the thumbnail image in grid view from file location . how to generate that of .jpeg file
I am using C# language with asp.net
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Mar 4, 2011
I have an Image control on my page that should display a thumbnail preview of the actual image. The URL property of this control is assigned through the code-behind using:
imgHolder.URL = @table.Row[0].ItemArray[0].ToString();
Before moving my files to another location, this assignment works fine (The files used to be located inside the application folder). But after moving all files to another drive in the same server, the images don't seem to render any longer. I can upload/download files fine but they just won't display as thumbnails on the page.
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Apr 16, 2010
Does anyone know a free way of doing this in asp.net?
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Aug 20, 2010
I found this code on another site and it works great for resizing the image and keeping the quality. What I want to do at the end is check the height of the image and if it exceeds a certain number, just change the size of the image. Not resize it but just cut off part of the bottom to be a certain size.
Code:
Dim image As System.Drawing.Image = System.Drawing.Image.FromFile(src)
Dim srcWidth As Integer = image.Width
Dim srcHeight As Integer = image.Height
Dim thumbHeight As Integer = (srcHeight / srcWidth) * thumbWidth
Dim bmp As New Drawing.Bitmap(thumbWidth, thumbHeight)
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Aug 20, 2010
i am using file upload control for uploading images. in that iam checking the condition,if Image.Width > 250 || Image.Height > 400 then i am resizing the image. but it is giving the error "The SaveAs method is configured to require a rooted path, and the path 'ProductImages/roman_sandals.jpg' is not rooted."
ProductImages is folder where i am saving image. Can anyone find why this is giving error,my code is
string strBigServerPath = AppHardcodeValue.productImgPath;
string strFileName = "";
if (prodImg.HasFile)
{
strFileName = prodImg.PostedFile.FileName;
string uniqueNum = Convert.ToString(System.Guid.NewGuid());
string shortFileName = System.IO.Path.GetFileName(strFileName);
string Extension = System.IO.Path.GetExtension(prodImg.FileName);
string newFileName = shortFileName;
prodImg.SaveAs(Server.MapPath(strBigServerPath + newFileName));
using (System.Drawing.Image Img =
System.Drawing.Image.FromFile(Server.MapPath(strBigServerPath) + newFileName))
{
if (Img.Width > 250 || Img.Height > 400)
{...........................
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Mar 25, 2010
how to resize image in asp.net.
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Nov 20, 2010
display images in small size (thumnails) and also resize the image size (kb) so the page will quickly upload images. i dont want the user will upload 2 version of images (large and small) and i dont want also to resize the image size while uploading the images to server. I want the user will upload the original images (320x480 px) and when the users will watch the gallery they will see small images (120x180px) with small kb size that will uploads fast.
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Feb 28, 2011
I am using web services to retrieve one record from database. here in this record there is one image field.In web service, the record is converted to xml document and sent to client
when i send this record to client thru webservice , this photo is converted as byte[].
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I want to change this byte[] to previous image format in my asp.net page.
I am unable to change. I searched in google, I am unable to solve my problem.
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Oct 11, 2010
i save picture as image in sql database for user profile
now i have a page that sow user profile information an im this page i have a image control to show user avatar with.
in code behind with Userprofile.Avatar code i got the image as byte
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Dec 28, 2010
How can I save image in db as byte array and show the saved image as slide show in my web page with C# asp.net 3.5
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Jan 23, 2011
I want that suppose user upload 2 MB image then from that image i want to generate 1 thumbnail image.To reduce its size , so i can get speed in loading. as my listing page contains many images.so i am getting to much loading time. SO can you tell me how can i compress image or get Thumbnail image?
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Jun 3, 2012
This is code that reduce our image size in page
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<asp:Image ID="Image1" runat="server" ImageUrl = "~/Jellyfish.jpg" Height = "400px" Width = "400px"/>
[Code] ....
I want use it in Data List ... In my datalist i have 3 image that i bind from DB i want reduce this image size how i can do it with this code?
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Apr 1, 2012
I have image in my webpage that it has this property width=250px hight:200 and image size :200KB
i want when i put this image in my page with this Property width:100px and hight:100px image size Automatically change EX:100KB how i can do it ?
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May 17, 2010
how to make a toolbar to let user rotate or zoom in /out image
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Mar 11, 2011
I have a page which allows the user to upload pictures. The problem is that my old users can't resize the image themselves. I want to allow them to upload any size of image and then when the server gets it, it will create a small copy of this picture.
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Jul 23, 2010
I try by this code to resize image and store it in thumb , uploade work , but thumb image cant work
this Code
this error
Compiler Error Message: CS0103: The name 'Component' does not exist in the current context
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Jul 30, 2010
Is there a control that you can use? It can be done by fetching a binaryread from an aspx page but why there isn't a simple free image control that you can put in the page and feed it a byte array?
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Apr 2, 2010
i got an image display in my system, note that it is not an uploaded file, it is display in <asp:Image> form
My question is, how do i use that image and convert it to a byte data so that i can save into database?
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