this is my code ...iam storing & retrieving image from db using gridview but now i got stuc..how to dispaly default imag ewhen user is not uploading the iamge..
this is insert image to db..
[Code]....
this is where iam retrievieng the iamge ...
[Code]....
this is where iam using gridview to dispaly images ...
[Code]....
i want to show default image in gridview when user is not uploading the image.. i knw the concept but how to implemnt using code in vb.net. i know to store th eimag ein binary format and retrieve it but how to check it for null and display the deafault image if user not uploading the image.
my code is here: how to insert null value to image and display default image?
[Code]....
how can I dispaly image on image control after user choose it using fileupload control
View 2 RepliesI want to create a folder (titled their userid) for each user for Images they upload. I also want to name their files as their username + 1 or 2 or 3... whatever number of images they have.
Here is what I've done:
[Code]....
in my aspx page i have a file upload control and one image component...i want to display the image uploaded in the image component..
View 4 RepliesI have a problem about image control. I am using VS2005 in Vista and suddenly uploading and retrieving image to a image control doest not work. I am working with this in Windows XP and all goes fine. After transfering it to vista, I can't upload and retrieve an image stored in the File System. My codes are all the same.
View 19 RepliesI Used AsyncFileUpload(one of Ajac Control Toolkit Controls) to Uploading User's Image. this works well. But i want to change the image url of an image contorl to uploaded image url. how can i perform that? I put Image control in a Update Panel:
[Code]....
in C# code I wrote these:
[Code]....
But it does not work. Image is like Previous. Note that ImageOperations.ResizeFromStream() method resizes and saves the image to a specefic folder. actually I should trigger a Postback to Update the Update Panel but How to do that. I usedUpdatePanelNew.Update(); but it does not work!
look at the picture, i want that image preview will come when i choose the file location before uploading to the database. is it possible?
EDIT: i found codes in other sites, they say those only work in IE, so it means currently, this preview function doesnt support FF? coz im using FF or sometimes google chrome.
I'am Developing a commercial website using vs2005 and sql 2005,where my users will download and upload wallpapers and ringtones,so my issue is, i got the coding for uploading ,
But the problem is it is storing the files two times,
If FileUpload1.PostedFile IsNot Nothing Then
Dim FileName As String = System.IO.Path.GetFileName(FileUpload1.PostedFile.FileName)
FileUpload1.SaveAs(Server.MapPath("Images/" & FileName))
[Code].....
I'm trying to craete an upload form using the following code:
[Code]....
when I click the 'Add imag' button I keep getting this error:String or binary data would be truncated.
The statement has been terminated.the 'Image' column in the SQL database is set to VARBINARY(250) and this exception still pops up even when I'm trying to upload a small 3kb JPG image, why is that?
I apply a watermark to an uploaded image.
After that I want to save the changes, but I am not able to delete the original file nor can I rename it because I get the following error.
The process cannot access the file because it is being used by another process.
I have already disposed all objects related to the "watermarking process".
It seems that the uploaded file is being locked by IIS for a period of time while I need to manipulate & save the file right after uploading.
Users of my C# web application can upload images. I have configured the max upload size in the web.config file to maxRequestLength="1024" and executionTimeout="180".
How can I check the upload size before uploading? (do you have examlpe or url?)
Another option might be to check the dimensions?...
Some web application allow the user to crop the image at client side. Do you have an example of this or url?
I wish my user to have option of selecting multle image at once and upload them to site form there hard drive, somehing like on copy paste, and not to have 5 upload buttons and to look for each photo separatly.
I have thi esolved in zip file where user can zip in let say 453 photo and upload them to internet in single file where they are automaticli unziped but it would be much better to have option of selecting numerus photo i windows explorer and upload thm with single click
I want to add my site logo to any image uploaded to server automatically? I am also using Telerik Radeditor , if possible to do through that.
View 4 RepliesIn insert.aspx page I have file upload control that users can upload their image and in show.aspx page they can see their images that the uploaded.
I want when users upload their image automatically type BEHTOP.COM On the center of image
I am developing website in asp.net,I am hanging up in following problem:
I have 2 subdomains (say admin.D1.com & sms.D1.com).
For security purpose, I want to save and retrieve image files at particular folder(say Fldr1),above to both subdomains.(File should be saved and retrieved from both the subdomains)
[code].....
It gives follwing error:
"The SaveAs method is configured to require a rooted path, and the path [URL] is not rooted."
How to resize large size image like 3-4 mb of size to small size like 800px X 600px so that sie got reduce while uploading in asp.net ....
View 1 Repliesi am working on an ecommerce application, user will be uploading several images of a product, instead of stripping the size (i.e the KB or MB size) after uploading it on the server, i want to strip the size of image before uploading it to the server ( bringing the size from any thing over 30KB down to 30KB) i.e on the client machine itself and then upload it to the server. i understand that this requires a download on the client machine which makes me ask the following questions :
a. can i use a java control in dotnet since java control can be used on all OSes
b. is there any dotnet control that might be userfriendly to all OSes
I want to achive on functionallity like below.
I want to Dispaly image after image selection.so Users can see image at that moment.
I am using VB to upload image files to my server but am having problems. How can I use the ContentType to filter only image files? This is my code for my upload button which does not seem to be working. I can only upload bmp files:
[Code]....
Also, how can I show the user the image they uploade
I am uploading images to database....but only error that I am getting at this point when I run it is for.....
DataSource.InsertParameters.Add("MIMEType", MIMEType)
The error for the above line is Object not set to an instance of an Object look over the code an see if you can see what is wrong.
Protected Sub Button_Insert_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button_Insert.Click
'Make Sure a file has been successfully Uploaded
If FileUpload_Image1.PostedFile Is Nothing OrElse String.IsNullOrEmpty(FileUpload_Image1.PostedFile.FileName) OrElse FileUpload_Image1.PostedFile.InputStream Is Nothing Then
Label_ErrorMessage.Text = "Error"
Else
Label_ErrorMessage.Text = "No Error"
'Exit Sub
End If
'Make sure we are dealing with a JPG or GIF file
Dim extension As String = Path.GetExtension(FileUpload_Image1.PostedFile.FileName).ToLower()
Dim MIMEType As String = Nothing
Select Case extension
Case ".gif"
MIMEType = "Image/gif"
Case ".jpeg", ".jpe"
MIMEType = "Image/jpeg"
Case ".png"
MIMEType = "Image/png"
Case Else
Label_ErrorMessage.Text = "Invalid Type"
'Exit Sub
End Select
Dim DataSource As New SqlDataSource()
DataSource.ConnectionString = ConfigurationManager.ConnectionStrings("ConnectionString").ToString
DataSource.InsertCommandType = SqlDataSourceCommandType.Text
DataSource.InsertCommand = "Insert Into ClassifiedImages (Title, DateUploaded, MIMEType, ClassifiedId) Values (@Title, @DateUploaded, @MIMEType, @ClassifiedId)"
DataSource.InsertParameters.Add("Title", "Images For Classified Ad" & " " & Request.QueryString("ClassifiedId"))
DataSource.InsertParameters.Add("DateUploaded", DateTime.Now)
DataSource.InsertParameters.Add("MIMEType", MIMEType)
DataSource.InsertParameters.Add("ClassifiedId", Request.QueryString("ClassifiedId"))
Dim ImageBytes(FileUpload_Image1.PostedFile.InputStream.Length) As Byte
FileUpload_Image1.PostedFile.InputStream.Read(ImageBytes, 0, ImageBytes.Length)
DataSource.InsertParameters.Add("ImageData", ImageBytes.ToString)
Dim RowsAffected As Integer = 0
Try
RowsAffected = DataSource.Insert()
Catch ex As Exception
Response.Redirect("AddImagesProblem.aspx")
End Try
If RowsAffected <> 1 Then
Response.Redirect("AddImagesProblem.aspx")
Else
Response.Redirect("AddImagesSuccess.aspx")
End If
End Sub
Visual Studio 2008. I've done a page to upload images in asp.net web application.. . Now I need to create a web service which would be able to convert the image by our given height and width before uploading.........
View 1 Repliesi have column chart on my page i want to disaply line at zero and all other grid lines visible false how i can i do that i am using asp.net 4.0 chart control
View 1 RepliesI want to upload audio file based on the ID which i choose
For ex: I have three ID's in drop downlist, say
ID #1: 1001
ID #2: 1002
ID #3: 1003
I want to upload audio file for 1001. Later, On the same id i may upload another file also.
Then, If i choose 1001, the list of files that has been uploaded on 1001 sholud be displayed with download option in Gridview.
For SQL SERVER 2008.
Is there any way to do like when we are displaying records in grid view only 5 links we showed in that gridview in below we provide one link click for more when user click that link we display all links in grid view in pop up control is there any way to do like this.
View 1 Replies
