Clicking On ADD TO CART Using Webbrowser?
Feb 26, 2012
For the past couple weeks I've been tormented by this problem: I am trying to make a program that will go to a specific web site and add things to my cart on that page. I can get the program to go to the page, log into my account, and get to the right product. But, I can't figure out how to click on the ADD TO CART image.
Also, each product page has the main product, with an ADD TO CART image, and at other places on the screen there are other products shown, each with its own ADD TO CART image.I have been examining the source for the pages and here are a couple examples:
[Code]...
How can I click on one of those addToCart.gif images? It looks like they do not have names or IDs for me to refer to them with?
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Sep 11, 2010
I figured this would be simple, but I can't seem to figure it out. I can't make WebBrowser click the button I want without any errors involved.
[Code]...
I'm trying to make the program click on the "Join" button on that website, and with the code above it does click on the join button, but it seems to ignore any type of javascript involved with the button, therefore giving some type of website error. Is there a better way to click that button so it won't produce any website errors?
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Aug 5, 2010
So normally for clicking a button you would use:
WebBrowser1.Document.GetElementById("id").InvokeMember("Click")
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Jul 4, 2009
I have a question regarding clicking a button on a web page through the web browser control in VB .Net Express Edition. I have figured out quite a few tricks and stuff with the web browser control but I can't figure out how to automatically click a button. I know I can invoke the 1st instance of a "submit" type button but I want to click the 3rd instance (or chose which ever one I want). Unfortunately the button declarations in the HTML don't have ID or NAME tags to make it easy to pick them. How would I go about extracting all the buttons on a form in an array form, so I could invoke a certain member of that array and click a button of my choosing. Is this possible?
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Jun 18, 2010
To fill in data i use
WebBrowser1.Document.GetElementById("visitormail").SetAttribute("Value", "test@yahoo.com")
and for
HTML
<input type="submit" value="Send Mail" />
i cant figure out how to make the code to click the submit button?
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Mar 13, 2010
I want to click on an Email link on This Disposable Email Website Lets say the email's title is "Email 1".How would I get my program to click on it?
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Aug 24, 2010
Here is the source
HTML
<td rowspan=2> </td><td><img src="http://www.locationary.com/web/img/LocationaryImgs/icons/txt_email.gif"></td>
<td><input class="Data_Entry_Field_Login" type="text" name="inUserName" id="inUserName" size="25"></td>
<td><img src="http://www.locationary.com/web/img/LocationaryImgs/icons/txt_password.gif"></td>
[code]....
Everything works fine except the login, it gives me an "Object reference not set to an instance of an object" error.
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Mar 8, 2011
Getting errors
webbrowser1.document.getelementsbytagname("tagName").invokemember(click)
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Sep 4, 2010
I want to click on a textfield, or an image or anything for that matter, and i was just wondering how to do that?
and also, how to count the lines in <div class="content"> or <div id="text">
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Aug 27, 2011
How do i click a button, preform some if statements (if it matches, exit...) else keep looping (clicking the button)...How do i do this within the web browser controlormal loop won't work because the web browser executes the statement multiple times before completing and i can't figure out how to make it loop until a condition is met without freezing the program.
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Jul 10, 2010
I have my app which is an internet browser using the webbroswer control, But if you click on a link in the webbrowser that is an Open in new window link then it starts IE and i know the webbrowser control is basically IE but how can I stop this an make it go to the url in my webbrowser?
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Mar 12, 2011
Im currently working on a project which included a webbrowser navigating to a website. Whenever it arrives there it disables me to double click on the Media Player inside the website to go full screen. Although I know this is possible as Ive seen that the webbrowser can disable clicking on Firefox. My question: is it possible to enable the standard webbrowser in Vb.Net to allow me clicking even if the website doesnt.
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Sep 20, 2010
<tr>
<td align="right"></td>
<td align="left">
<input name="userId" value="8194364" type="hidden">
<input name="action" value="saveChanges" type="hidden">
<input class="submitImage" src="/theme/default/buttonSaveChanges.gif" type="image" align="top"><input class="submitButton" value="Save Changes" type="submit"></td>
</tr>
[Code]...
Again the code clicks the button, but doesn't save the information so I figured it has something to do with the hidden value. I've never seen this problem before so I don't know where to go from here.
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Dec 26, 2009
I am making a webbrowser and I want to make it that when I click on 'NewWindowToolStripMenuItem_Click' it opens a new window.
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Mar 8, 2011
I have an instance of webbrowser control called browser and a command button too on a single form. After clicking the submit button it crashes:
[Code]...
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Feb 13, 2012
What I'm trying to do is click an html link inside of a html table via code in vb.net using a web-browser control. The link I want to click can be anywhere in the first column of the table so I need to cross reference with another column in the table to make sure I have the re way I'm going about this is to loop through the html elements till I find the table I want (multiple tables on the page) then dump that table to an array. Then loop through the page again get to the table I want and then start comparing the link and another column in the now array. I need to check to make sure that the url of the link contains a work and that another column in the table contains a specific or lower numerical value. Basically where I'm stuck is while dealing with the html element "Table" wanting to identify and interact with another html element inside it.
'Flag to say dump to array
Dim RecordFiles As Boolean = False
'The last two headers in the table are blank so need to skip them
Dim FirstBlank As Boolean = False
Dim SecondBlank As Boolean = False
[Code] .....
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Jun 18, 2011
I've been trying to make a app that logs into a website. So far it didn't work for me.I have trouble because:
- The "pin" (username) box on the site doesn't have an ID. (Can't use getelementbyid)
- The picture doesn't have an ID either
Codes I've tried:
With WebBrowser1.Document
.All("pin").InnerText = "mypinhere"
End With
End Sub
This should have, in my opinion, filled in the textbox. Now I need to click the login button?Also I found this in the source of the site:
<img src="/media/img/text_AccountPin.gif" alt="Account Pin" width="93" height="10" border="0"> <input type="text" name="pin" class="form" size="15"> </p>
As we can see, it says
name="pin"
So I should be able to use "getelementbytagname" right?Also, the formId is logmein (log me in)
<form id="logmein"....
This is what I came up with:
Dim webbrowserDocForm As HtmlElementCollection = WebBrowser1.document.GetElementsByTagName("logmein")
For Each curElement As HtmlElement In webbrowserDocForm
Dim controlValue As String = curElement.GetAttribute("Value").ToString
[code]....
in the next code it's tagname is "input" or "text"? Because I found:
<input type="text" name="pin" class="form" size="15"> </p>
Code for filling in:
webbrowserDocForm = WebBrowser1.document.GetElementsByTagName("text")
For Each curElement As HtmlElement In webbrowserDocForm
Dim controlName As String = curElement.GetAttribute("name").ToString
[code]....
It doesn't give me any errors no more, but it doesn't work either.
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Apr 14, 2009
There's a richtext box in Form 2 and a WebBrowser in Form 1. The richtext box contains several hyperlink. How can I navigate the WebBrowser in Form 1 by clicking the links inside the richtext box in Form 2.
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Jun 12, 2009
When a button is clicked i am creating HTML that will be displayed in the WebBrowser1 control. With this HTML are several links to other pages. Is it possible that when one of these links is clicked, that WebBrowser2 navigates to the page instead of WebBrowser1?
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Feb 7, 2011
I am in the middle of building a very simple shopping cart in asp.net with a VB backend but I am running into problems with my code. When I run my application and try to add a product to the cart I get an error message.
Object reference not set to an instance of an object. 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.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
Line 27: Dim blnMatch As Boolean = False
Line 28:
Line 29: For Each Me.objDR In objDT.Rows
Line 30: If objDR("StockItemName") = Product Then
Line 31: objDR("Quantity") += txtQuantity.Text
I am not sure why it is doing this and was hoping that perhaps someone could take a look and offer up some advice? I have checked over my code and I cannot find anything wrong however I would take any guidence that you may have on it.
[Code]...
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Apr 7, 2011
I have create a shopping cart in vb.net, so far i can add items to cart but cant empty or remove items from cart. this is the code I have so far:-
<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" Runat="Server">
<div id="mycart">
<br />
[code]....
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Mar 3, 2008
I am trying to create a shopping cart in Visual Basic. I have most of it figured out. However, when I click the Add Cart button, the item will add; however, when I add a new item, it will not go to the next line to display it. It instead replaces the first item I added. For example if the user chooses 1111 for the part number and qty is 2 then clicks the Add to Cart button, the following will show in a group box below: 1111 Alarm Clock 2 $19.95 $39.90
If the person wants to add part number 2222 and qty is 2, that relating info should show up below the first entry of the Alarm clock. In my code, it's not doing that, it's just replacing the first line (alarm clock entry). However, it is keeping track of the total amount added to the cart.
Here is my code that I have done for the Add Cart button:
Private Sub xAddButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles xAddButton.Click
Dim searchFor As String
[Code]......
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Jul 28, 2011
I am building a shop (without payment)
i.e.
1) Select Products
2) Checkout
3) Confirmation
The selecting products screen will look like a gridview which will display.
name price quantity
Text Text Input box
So i.e. lets say I have 10 products per page so i.e. 10 quantity input boxes per gridview. And then I have 2 Buttons below my gridview i.e. Update and Checkout. Just even worrying about Update for now. How could that work i.e. would I have to check every input box in gridview for which a value was entered ?
I.e. is there any example how I can loop through gridview row check for a value which is greater than 0 or null for example and if there is a value then perform a function like [Code]
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Dec 4, 2011
I've created a program that pulls item prices from a database. The problem I'm having right now is that I'd like to display a running total, as the program currently only displays the list of items and their prices.
Private Sub btnGoToCart_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGoCart.Click
Me.Hide()
[Code].....
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Jun 12, 2011
i am developing an online shopping site..so when the user adds any item to the cart i store it in a table...now what i want is to count the number of items in the cart as well as update the number of items in cart every time the user adds a new item....
Public Function AddToCart(ByVal itemID As String, ByVal itemName As String, ByVal itemPrice As Integer, _
ByVal offer As String, ByVal buyNo As String, ByVal userID As String) As String
Dim sqlStatement As String = "INSERT INTO shoppingCart" & _
[code].....
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Apr 30, 2010
I am working on a class project and I am trying to create a shopping cart application. I need to transfer info from listboxes on 2 forms to the main form and calculate the charges for "the books." I am having a hard time writing the code to properly transfer the items and I really have no idea where to start with the calculating the charges for subtotals of the selected books.
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Dec 27, 2011
My project is to create a shopping cart application. I have my main form and from there the user can go to two different forms to add books to their cart, the cart being the main form. This all works. What I can't figure out, is how to use global variables for the prices, shipping, tax and updating the total. I have places for this information to show up on the main form, and I've created a module for the calculations and prices, but I don't know how to code it to get the prices to show up in the specified areas.
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Nov 14, 2011
How can I get the items in my code from my listbox which is called "selectListBox" to a shopping cart called "cartlistbox", when the add button is clicked?
Public Class MainForm
Private Sub MainForm_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
[Code].....
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Dec 1, 2011
Using following method to create Shopping Cart Session [URL]Now running locally on my machine where sessionstate mode is inProc by default, all seems to perform fine.I'm writing an application which I've just placed up on hosting provider (shared hosting environment etc). Their default sessionstate is stateserver so I had to serialise the classes to fit in with this. It's using cookies.The basket (adding,removing etc) works fine but I'm seeing some odd things happen regarding the persistency of the session.
On my local machine, if I access the site in 2 separate browsers, if I add items in IE, I can see them in Firefox when I refresh. This doesn't make any sense to me since cookies are per browser.Plus I thought that when a session was generated, its id would be unique so there is no way that one user should be able to see anothers session data (unless tabbed in same browser perhaps)Even worse, if I start adding/removing items in IE and doing likewise in Firefox, both of them show very random cart results every time you refresh the browser.
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Mar 20, 2012
Note: This code actually codes from a tutorial book I'm reading at the moment, so you can imagine this is frustrating me greatly! I'm building a basic shopping cart, using VB.NET 4, Visual Studio 2010 and MS SQL Server R2 2008. The code below is supposed to remove items from the cart, by reading a session variable, editing it to remove the appropriate ProductID and return the amending string to the session variable. It is then supposed to rebind the data to the gridview (gvCart) to refresh the data...but it seems here there is an error.
Every time I build the site in Visual Studio, it validates fine. But every time I run the site, and attempt to use the remove button it gives me the error:Incorrect syntax near ')'.ith the IDE pointing me toward the final parenthesis
Protected Sub gvCart_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles gvCart.SelectedIndexChanged
'This method is hooked to the Remove button & is removing items from the cart
[code].....
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