.NET Tutorials, Forums, Interview Questions And Answers
Welcome :Guest
Sign In
Win Surprise Gifts!!!

Top 5 Contributors of the Month
Gaurav Pal
Post New Web Links

Setting a Default Image for the FileUpload Control

Posted By:      Posted Date: October 22, 2010    Points: 0   Category :ASP.Net




I am trying to find a way of setting a default image(e.g. file path) for the FileUpload control so that a default image can be used if a user did NOT choose to upload an image.




View Complete Post

More Related Resource Links

How to Set default file name of image in FileUpload Control

helloi want to set  default value in Fileupload control.Because when i select file name using fileupload then save that file to sqlserver database i got problem when no file is select. so i found alternate of that i should store default image into database through fileupload control but now my query is how to set default image to fileupload control.please i want source code.i really need it......tnx in advance

How to set default Image to RichFieldImage control in custom Publishing Page layout in Site defini




How to set  default Image to RichFieldImage control  in custom Publishing Page layout in Site definition?


uploading Image from client to server without using fileupload control



I have a requirement to read an image from client machine and to save the same in server, the path and filename of the image is fixed, i want to

done this task without using a fileupload control. Is there any way to accomplish this task?

Add images in Image Rotator With the Help FileUpload Control

The article Add images in Image Rotator With the Help FileUpload Control was added by codenickel on Saturday, October 30, 2010.

In case of ImageRotator we can use FileUpload Control To upload my images.Here I use it in a siple way:-Step 1:- we use Image Control (Image1),FileUpload Contol , Button(Button1..)and HiddenField ( for store the FileName), and a Save button to call the

Fileupload control image preview?


Hello, I have a little project I'm working on in which a form allows a user to add a product to a database. This form has a fileupload control for a product image, this feature works fine as far as actually inserting the uploaded image into the record, but I wondered if there is someway to dynamically display the image that was uploaded so that it can be previewed on the page before the user clicks to save into the database?

The following is my code for the page in question...

<%@ Page Title="" Language="VB" MasterPageFile="~/Admin.master" %>
<%@ Register assembly="System.Web.DynamicData, Version=, Culture=neutral, PublicKeyToken=31bf3856ad364e35" namespace="System.Web.DynamicData" tagprefix="cc1" %>
<script runat="server">

Server side validation of Fileupload control not working



I've tried this method in my code behind to try and validate that the Fileupload control has a file or not. I get the error message the the event "Server Validate" cannot be found. Can anyone tell why? Thanks.

Public Sub CustomValidator1_ServerValidate(ByVal source As Object, ByVal args As System.Web.UI.WebControls.ServerValidateEventArgs) Handles CustomValidator1.ServerValidate

' Get file name

        Dim uploadAvatar As FileUpload = DirectCast(AdvertisementForm.FindControl("uploadAvatar"), FileUpload)

        Dim UploadFileName As String = uploadAvatar.PostedFile.FileName

        If UploadFileName = "" Then
            ' There is no file selected
            args.IsValid = False
            Dim Extension As String = UploadFileName.Substring(UploadFileName.L

Setting the default start page in godaddy hosting?


 How do you set the start page with godaddy hosting? I can see no way of doing this! You do not seem to have access to the IIS settings that allow you to change it!

image inside custom server control



I want to use an image inside a Custom Web server control ! 

Do I need to use Web.resources ? if so , how to do ?

Setting default localization



I ever thought that I can set a default localization if the users one (which is set in the browser) isn't available.

I've implemented my localresource files for localization. The start.aspx.resx contains all texts and elements for German use and the start.aspx.en.resx for English users. When I switch the language in the browser settings from German to English everything works fine and the english text is displayed. But when I switch to an other language which is not German or English, it takes defaulty the german resource files.

I've set

UICulture="auto:en-US" Culture="auto:en-US"

as well, but it didn't assume the .en resource file automatically. (For example when I enter the website and switch the browser language to French or Italian it should take the english resource files.)

Thanks and regards,

Bitmap to Image Control - ImageUrl


 This is my first attempt at using the drawing features of asp.net.  I just want to start simple, and create a single color bar based on a value for a single graph.  I wrote this so far, but I can't figure out how to take the bitmap I just created, and apply it to the Image Control. Do I have to save the file first, and then reload it.

Plus, my box keeps coming out pure black, I trying to fill the box with a color. 

This is part of a web custom control, in which I dynamically created an Image Control. I want to apply the bitmap I made to the image control. 


Dim imgGoogle As Image
imgGoogle = New Image
imgGoogle.ImageAlign = ImageAlign.AbsMiddle
imgGoogle.ImageUrl = cs.GetWebResourceUrl(rsType, "ice5software.BotCatcher.Google.gif")
Private Sub DrawBarGraph_Google(ByVal BarValue As Integer)

	Dim objBitmap As System.Drawing.Bitmap
	Dim objGraphics As S

How to retrieve image from DB with Linq and diplay in Image Control


Hi all-


I'm using the file upload to let the user upload a single file.  Here's the code I'm using to then upload to the DB.  How do I reverse this process and dowload the image into the control for it to display on a different page?

Here's my code for the upload - which I think works but can't confirm until I can see the download since all I see in the DB is "binary data"

'update DB with new Image 
        If FileUpload1.HasFile AndAlso FileUpload1.PostedFile.ContentLength > 0 Then
            'Read the file in to a byte Array.
            Dim filebyte As Byte() = FileUpload1.FileBytes
            Dim fileBinary As New System.Data.Linq.Binary(filebyte)
                Dim c3 = (From c In dc.ProductImages _
                          Where c.userID = userGuid _
                          Select c).FirstOrDefault

                c3.productImage = fileBinary

            Catch ex As Exception
                Throw ex
            End Try
Here's my attempt at the retrieval, which isn't working:
                    Dim currentImage = F

Setting webpage/masterpage background...image?


I want to have the background of my masterpage (the master page for all of my .aspx pages) have a sort of gradient.  I imagine the only way I can do that is with an image.  Or maybe even some other design, but I want to move away from the "solid color" background.

Is the easiest way to do this just to make an image and set that as the background?  What image size should I make it, because some users could possibly have the normal aspect ratio, or maybe a widescreen?  What should I make it like so that it looks good on all computers?

Thanks in advance. :) 

FileUpload Control with membership and roles


Hi Everyone!

I'm pretty new to development using Microsoft technologies.

I'm trying to build a portal kind of an application in asp.net, in which one of the functionality is letting people log in and upload their documents. The upload page is only accessible to registered users of the portal.


I would like to track the user uploaded files according to their userIds.

Is it possible to use the FileUpload Control and C# to fetch the current user id, create a directory with the same name(as that of userID) in the file system and upload the files( multiple file upload, if necessary) into it?

Also another admin page would have to be able to see the list of files uploaded by the specific user and download it if necessary.

Could anyone help me with this?

I'm also expecting alternate solutions to the problem.

Awaiting a response.

Thanks in advance 


problem on Page_PreRender with RangeValidator control and programmatically setting Maximum and Minim

I am new to the ASP.NET /C# dev. I run into a weird bug when using the RangeValidator Control inside a Formview. I have my DateTime field with validator and it work fine until I submit the page, it actually insert the row into the database but then when the page reload I get the following exception.Server Error in '/Budget' Application. The value '' of the MaximumValue property of 'RV_AjoutUtilisateurDate' cannot be converted to type 'Date'. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Web.HttpException: The value '' of the MaximumValue property of 'RV_AjoutUtilisateurDate' cannot be converted to type 'Date'. Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [HttpException (0x80004005): The value '' of the MaximumValue property of 'RV_AjoutUtilisateurDate' cannot be converted to type 'Date'.] System.Web.UI.WebControls.RangeValidator.ValidateValues() +1077011 System.Web.UI.WebControls.RangeValidator.ControlPropertiesValid() +12

Image "Preloader" Control?

Hi,I am trying to pre-load images in my MasterPage. Normally I just use Javascript like so:<SCRIPT language="JavaScript"> var img = new Image(); img.src="/images/pic.png"; </SCRIPT> How "should" I be doing this in an environment that contains a virtual host, one which is determined by the installer of the application. For example, the application can be installed like this:~/someVirtualDirectory/theapp I'm considering creating a Ajax Server Control to accomplish this task, something like the below or maybe even extending the ImageButton and Hyperlink control to do this by default. Is there a much easier way I am missing?<myDomain:imagePreloader ImageUrl="~/images/pic.png" /> Any help, suggestions, etc. would be appreciated!

Binding byte[] to image control in navigation application leaks

Hi there, I have a (minimal) navigation application with two pages. Page1 contains an image. Switching between pages is done via a buttonhandler in code behind, for instance, (this.NavigationService.Navigate(new Page2())) The image is loaded in code behind via: private void LoadImage() { string fileName = "./images/image.bmp"; if (!new FileInfo(fileName).Exists) throw new Exception("File name doesn't exist"); using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read)) { this.ImageData2 = new byte[fs.Length]; fs.Read(this.ImageData2, 0, System.Convert.ToInt32(fs.Length)); fs.Close(); } } ImageData2 is a byte[] property that sends a propertychange event on changing. ImageData2 is bound to an image in xaml: <Image Grid.Row="1" Source="{Binding Path=ImageData2, Mode=OneTime}"/> When we unload Page1 the following clean up code is executed private void Page_Unloaded(object sender, RoutedEventArgs e) { this.ImageData2 = null; GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect(); } Now, when I start changing pages, I expect the Page we leave to unload, so the GC removes the byte array. However, it doesn't. Am I missing something? Binding the image to a BitmapImage (ImageData1, as you might have guessed:-) ) doesn't leak.

Displaying a System.Drawing.Bitmap in a WPF Image control

How would I convert a System.Drawing.Btimap into a comparable WPF image control so I can display in on my WPF window? Thanks
ASP.NetWindows Application  .NET Framework  C#  VB.Net  ADO.Net  
Sql Server  SharePoint  Silverlight  Others  All   

Hall of Fame    Twitter   Terms of Service    Privacy Policy    Contact Us    Archives   Tell A Friend