Asp.net - Show Image Onclick Javascript?
Sep 17, 2010
How can i load the original image when the tumbnail version of the image has been clicked? Im using ASP.NET in combinaton with javascript.
The original images are big, so they have been scaled on server side. This makes the site load faster. But somehow, both versions (original and tumbnail) of the images are being downloaded.
I'm trying to download only the tumbnail version of the image. And when the user clicks on the image, i want to show the original image.
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May 8, 2009
I am calling a javascript in the onclick event in ASP.NET sourcecode, as follows:
onclick='open popuplistitems("ct100$contentplaceholder..........")
how to do the same in vb.net ?
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Oct 7, 2009
I am building a program with the Webbrowser control that goes onto a website, on the website i have a div with a javascript onclick event that I want to 'activate' or be clicked. The when the div is clicked( the class of the div makes the div seem like a picture) a form above the div is submitted. I want to do this with VB code but the problem is thata) im not very experienced in VBb)the div only contains the following code
<div class="class1" onclick="javascript:document.getElementById(form2).submit();"></div>
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Nov 22, 2011
I am a little confused to use this script and how it actually works?Here is my script:
<script type="text/javascript">
$(document).ready(function () {
$('#<%=TextBox1.ClientID%>').change(function () {
$('#various3').attr('href', $(this).val());
});
[Code]...
Now if I click the button it should open the iframe and display the message which I am able to do.Now the problem is how do I call the button1_Click event which is in the codebehind at the same time. I have used OnClick and OnClientClick event as shown below but it's not working and I'm not getting any errors.
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Dec 28, 2009
I have read previous posts and used suggestions about firebug and selenium etc. I am still a newbie and am still pretty confused as how to implement this. I am trying to access URLs that appear when I click on a link. I have accessed the JavaScript code and the function just has a couple of parameters which I have no idea how to intercept using vb.net or C# etc.
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Jan 18, 2012
I am working with a .Net 1.1 web application. There is a Save button that, when clicked, will pop up the Javascript confirm box. Once the user clicks OK a long running process is kicked off. We would like to show a busy indicator when the user clicks the OK button of the confirm dialog.
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May 10, 2011
I have a javascript function and need to add it to some dynamically created radio buttons onclick from code behind.I've tried newRadioSelect. Attributes. Add("onlick", "javascript:toggle(this);")The code above adds it to the span tag that the radio button creates, any ideas how to get it on the input tag of the radio buttons?
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Feb 23, 2010
I have a webpage I would like to parse but not too sure how to capture the links activated by clicking on links. I have take suggestions about using regex to capture the onclick statements but that does not seem to help since it does not capture anything. Here is an example of what the html contains:
<li><a href="#" onClick="SelGenre('001'); return false;">プライベート</a> (4235)</li>
<li><a href="#" onClick="SelGenre('002'); return false;">なかま</a> (1121)</li>
<li><a href="#" onClick="SelGenre('003'); return false;">ペット</a> (398)</li>
<li><a href="#" onClick="SelGenre('004'); return false;">美容と健康</a> (956)</li>
Now if I capture 'SelGenre' and try and normalize that with the webpages root etc it does not work. Clicking on the link will display other links that I need to capture.I thought it may contain some javascript file but it did not even after trying to use firebug.
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Feb 9, 2011
I have an html img
<img id="btnViewSpec" alt="View Spec Sheet"src="/images/viewspec.jpg" style="cursor: pointer;" />
I need to alter the onclick to target different aspx pages based on what's read from the database. Something like:
If DBRead("Keywords").ToString.Contains("glove") Then
Me.btnViewSpec.Attributes.Add("onclick", ("window.open('/SpecSheet/DisplayPDF.aspx?pa=/SpecSheet/GloveSpec.aspx?pid=" & intProductId & "','wnEmailInfo', 'menubar=no,width=820,height=500,toolbar=no,scrollbars=yes,status=yes')"))[code]....
Problem is I can't get the code behind to recognize the image. I tried to register it in the designer code with Protected WithEvents btnViewSpec As HtmlImage but no luck. I guess I just don't fully understand the issue or what gets registered in the designer code.
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Feb 6, 2012
i am have one datalist in asp.net i m using vb with asp now my code is just as follow
<table border="0" cellpadding="0" cellspacing="0" >
<tr>
<br />
[code]....
all this in datalist as you can see so it will be repeated..i have put one image in it now i want call a method when any image will be clicked i make one sub called s() in vb i want to call it i use on clientclick() event but doesn't work
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Oct 8, 2010
I have written a web usercontrol (ascx). Inside, there is a Panel that I want to show/hide on click of a hyperlink inside the usercontrol. Normally, this is easy just by doing something like this (the onclick attribute is added to the hyperlink on prerender):
[Code]...
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Jul 12, 2011
I'm trying to call a modal popup extender from javascript. Here's the call:
function MyFunction()
{alert("test");
$find('mdlPassword').show;}
I get the alert when it's called, but the modal popup extender won't show. Here's the aspx stuff:
<!-- Popup Extenders Should Go Here -->
<asp:button id="Button1" runat="server" text="Button" style="display: none;" />
<asp:ModalPopupExtender ID="mdlPassword" runat="server"
[code]....
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Jan 1, 2011
I'm trying to develop a new feature for our vb.net order entry system. At the moment I provide an assisted paypal login which loops through transactions and copies the transactions. My program then looks at this data and copies it into text boxes. The operator then approves and saves the record.
EDIT: I need to see the transaction in PayPal.So my code uses IHTMLFormElement and loops round form elements and adds values. However I only really use this to log in to paypal. See my code...
Dim theObject As Object = Nothing
theObject = "https://www.paypal.com/cgi-bin/webscr?cmd=_login-run"
WebBrowPayPal.AxWebBrowser1.Navigate2(theObject)
[code]....
Which is the history page, which allows you to search on the paypal transaction id.Unfortunately you need to click on 'find a transaction' which then uses some javascript to shows the post fields. So the problem is that the fields I need to use are hidden.
How can I click on this javascript link in code ?
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Apr 19, 2012
I use a Repeater that's databound to a DataRowCollection and programatically build a table through that. I have something similar to:
Private Sub SubAcctGrid_OnItemDataBound(ByVal sender As Object, ByVal e As RepeaterItemEventArgs)
If e.Item.ItemType = ListItemType.AlternatingItem Or e.Item.ItemType = ListItemType.Item Then
Dim currentrow = TryCast(e.Item.DataItem, DataRow)
Dim acctSummaryTable = New Table With {.ID = "acctSummary" & e.Item.ItemIndex, .CssClass = "minisub_acct_table"}
[Code] .....
I can't pass in the correct element ID, though. From what I understand, ASP.NET transforms the ID I assign into some huge long ID for the sake of uniqueness. For example, I assign a table with the ID 'drillDownTable0' and it spits out 'ctl00_drillDownTable0' in the HTML markup. It worked the first time around, but then the Repeater gets binded to a new row and then I get 'ctl01_drillDownTable0' so on and so forth. I've tried the ClientID, ID, and UniqueID where I add the attributes to the Cells in the code above and they don't do what I need to. Is there any way I can get that ID and pass it to the Javascript function? Or I guess a better question is: When are the IDs generated and can I get to them before the page is rendered in HTML?
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Sep 7, 2011
I have uploaded some images using uploadify and saving the original file in "uploads" folder and thumbnails in "uploads humbs" folder now what I need is I have a div element on the main.aspx page where I need to show thumbnail image.After clicking the thumbnail I need to give a lightbox effect to it.
1.I have done this way but this is showing me the original image instead of thumbnail.So how do I point to my thumbnail.
2.When Using Lightbox effect how do I manage my two Imagess with the below code.
This is my Handler code:
Public Class UploadVB : Implements IHttpHandler
Public Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest
[Code].....
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Jan 28, 2011
how to show msgbox on button click event if i have some disabled checkboxes and user forgot to check checkboxes. i m using asp.net Usercontrols How to show alert msgbox if user doesn't select atleast minimun 1 checkbox from asp.net checkboxes. if i have disabled some checkboxes on page load event then after user forgot to check checkboxes and click on button then still msgbox will popup "you haven't select checkboxes". to show msg box on button click event if i have disabled checkboxes and if user haven't select any of the checkbox [Code]
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Dec 21, 2011
I need a mapping service that will show an aerial view that can be used with geocodes. Company is willing to pay for the service.
VB.Net, ASP.Net, SQL, and Javascript are the languages that we use.
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Apr 22, 2011
I need to open a page as a Modal Dialog using Jquery .For Example: I have 2 pages say, Parent.aspx & Child.aspx, I need to open child.aspx in a modal dialog using JQuery when i click on a button/link in the parent.aspx. Also Postback can happen in the parent and child pages.
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Apr 5, 2012
I have entered an image in sql server database successfully. Now i want to retrieve this image from database and show it in an Image control. I don't want to put any ListBoxes on the page. I wrote in ASP dot Net..
Dim MS As MemoryStream
Dim IMG As System.Drawing.Image
Dim FS As FileStream
[code]......
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Jan 27, 2011
i have 20 checkboxes in usercontrol ... i wanna do whole coding in user control ...
how to show msg box if user forgot to check asp.net checkbox control on button click .. ?
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Jul 24, 2009
I want to change the size of the images in javascript onmouseover.Dim files As String() = Directory.GetFiles(Server.MapPath("~/Folder1/Folder2/"), "*.jpg")
For Each File As String In files
File = File.Substring(File.LastIndexOf("/") + 1, File.Length)
'Response.Write(File & "<br>")
File = File & "~/Folder1/Folder2/"
[Code]...
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Feb 1, 2012
I have got one problem by uploading file. I created an aspx file in asp.net then I added a fileupload control and image control. I want to show preview image in image control before uploading. I created a following script.
[code]...
It is not work in every browser. How could I do that?
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Jan 18, 2012
I have been learning a bit of jQuery and .Net in VB. I have created a product customize tool of sorts that basically layers up div and add's text, images etc on top of a tshirt.I'm stuck on an important stage!I need to be able to convert the content of the div that wraps all these divs of text and images to one flat image taking into account any CSS that has been applied to it also.I have heard of things that I could use to screen capture the content of a browser on the server which could be possible for low res thumbs etc, but it sounds a little troublesome! and it would really be nice to create an image of high res.I have also heard to converting the html to html5 canvas then writing that out... but looks too complicated for me to fathom and browser support is an issue.I'm thinking perhaps I could do with two solutions for this. Ideally I would end up with a normal res jpg/png etc for displaying on the website, But also a print ready high res file would be very desirable as well.
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Nov 23, 2010
I want to be able to change an image depending on what is selected in the drop down box. I have this JS code to change the image. Simplified of course.
<script type="text/javascript">
function changeImage() {
var oDDL = document.all("ddlNAME");
var NAME= oDDL.options[oDDL.selectedIndex].text;
switch(NAME) {
[Code] .....
When I call this function I do it in my DDL implementation.
<asp:DropDownList ID="ddlNAME" runat="server" OnTextChanged="changeImage()" >
But for some reason the changeImage() is not firing. It is giving me an error saying
'changeImage' is not a member of 'ASP.default_aspx'
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Jun 10, 2011
I've images stored in a database as OLE objects and I want to display them in my datareport, So I added an imagebox and connect it to the image field but the images won't show.:(
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Aug 31, 2011
I have a problem showing images from a DB, the images are saved like this
cmd.Parameters.Add("@img_type", OleDbType.VarChar).Value = imageType
cmd.Parameters.Add("img_stream", OleDbType.Binary).Value = imageContent
[code]......
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Jul 18, 2012
I am using mssql server 2008 , i have a table with three fields , 1- ProdID 2-ProdName 3-ProdPic , now i want to show the all records of the table in the datagridview by using vb.net , how can i show my image field in datagridview , even i create three columns , and the third column has column type image. now i dont know how to bound my datagrid with my datatable . i am using code like this dim con as new sqlconnection("connection string")()[code]...
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Feb 13, 2009
I have done a lot of googling and tested a few snippets of code i can't seem to get this, all i want to do is show an image in my picturebox1 that is from the web instead of on my harddrive, i thought:[URL]..
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Sep 1, 2009
First problem im having is that My image gets grabbed from the website but then it doesnt automatically load i have to click the PictureBox[code]...
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Aug 12, 2010
I'm trying to get an image to show in Visual Basic 2008 from a path I set in a textbox.
The textbox is called "textbox2" and its on a window called "config.vb" The picturebox is called "picturebox1" and its on a window called "main.vb"
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