Asp.net - See If The Value Of An Element Is In A List?
Nov 26, 2010
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Now I find myself needing to do both Foo() and Bar() if value is "7" - is there a simple way to do this with an If condition?
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I don't want to have to declare & initialize two lists if I can avoid it. Edit: I should have mentioned that this is a simplified example - there are actually a dozen or so CASE statements, and Foo() and Bar() are actually placeholders for quite a bit more code - it's seeing the same block of code repeated over and over that got me thinking about a better way to do it.
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Dec 15, 2011
I am new to Vb.net so I will need some handholding. I have been searching everywhere but can't find what I need.I'm creating an app that has two forms.Each form has two comboboxes.The comboboxes are populated via a list and the list is populated by reading a text file for each combobox.The second form is called from the main form to modify the entries in the comboboxes. When I select the displaymember in the combobox a value corresponding to that entry is displayed in the text box.Now here is what I need.
I need to be able to append new values to the list so when focus is returned to the main form the new value is present. I'm using a combobox and a textbox on the second form as the import.The combobox is used to either select a present value to be able to modify the value in the textbox, or is used to add a new list element.
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Jun 6, 2011
Dim myArray() As Integer = {a, b, c, d, f}[code]...
Based on the code above i would like to remove the largest and smallest element from the array list and then put it into a new array list.
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Apr 27, 2012
I am working with LINQ to XML in VB (although answers in C# are great, too). First off- my code works, so this is not critical. However, I can't help but think that what I'm doing with conditional logic should already be doable using the LINQ query itself. Here's what I've got:
'Get the Description elements in the ResultData section where the value is "Op Code"
Dim opCodes As List(Of XElement) = (From c In xdoc.Descendants("ResultData").Descendants("Description")
Where c.Value = "Op Code"[code].....
Please don't be too critical of my method of locating the sibling nodes- the XML files are produced by a third-party testing device and this is the only generic way to get the values I need. What I'm really looking for here is a better way to handle the If block.
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Oct 22, 2010
Nothing on google what so ever.
Private mArryLinkEntries As List(Of String)
some timers i get a matching string in the list, so i need to remove one element[code]...
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Dec 15, 2010
[code]Now how can I check if a certain employee is in the list? ie. I want to know if "John Smith" is in Employees. I see there is a .Contains method but I can't figure out how to use it on a ListIf Employees.Contains(???) Then (need to check for "John Smith" here)
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Mar 23, 2008
unordered text file of 3 columns to assign into 2 arrays. I've been given a graphing component which expects a two dimensional array for a scatter graph for the set of values in the last column.
How would I parse through the list given an indexed array of 215 possible 'zone alarm locations' and if an alarm log list item, of which there can more than one for any given zone location, compare in the two dimensional array any previous value and replace it with the higher valued one? The following are my declarations for the 2 arrays. It isn't clear to me why the array for the scatter data was defined as (999,1) knowing there are only 215 possible x values (alarm zone locations)
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May 30, 2012
I am working on a realtime application where the data is addded to a List(of T) all the time. MB per minute
Elements older than X minutes shall be removed from the beginning of the list to free memory.
As far as i can understand will there be an internal (slow) redim when i add each element after i have reach the number defined with the Capasity metod. (I set that quite big from the start, but the data speed is unpredictable so it can be exceed)
What happens each time i remove and element from the beginning of the list , seems like it takes a lot of time, ? new redim ?
What is the most CPU fficient way of removing 1 or many elements from the beginning of such a list?
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Feb 14, 2012
I have a number of rewrite rules for a lot of things that I did in IIS7, like removing trailing slashes, canonnical URLs, lowercase lettering, and such. IIS altered my web.config, and everything works fine on the website, like it should. But in the Visual Studio web.config, the opening < rewrite > statement is underlined in blue, and at the bottom of VS, it says that the element 'system.webServer' has invalid child element 'rewrite'. But this is how IIS made it. I didn't do this manually. Should I be concerned with this VS error, or should I just leave as be, since it's working how it should work? Here's an example of my web.config:
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Apr 13, 2011
Is there a way to control the way a browser behaves such as if I click on this link it doesn't navigate to that link but instead show me the source code behind that button?
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Mar 11, 2010
I need to randomly pick an element from an array and I can only use that element three times,I can randomly pick the element but how do I go about only using it three times.
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Feb 21, 2012
I have been doing well and also I am a noob I know it and you know it a lot has started making sense and I am evening figuring new things out without using Google but of course I have hit another snag in my program so here goes
I am waiting for an email to arrive (the page automatically refreshes) and then I want to click the link (I do not need to click to open the email or anything like that) I also have the code to click and navigate to the address reason being it was the only way I could figure out how to stop it opening in a new window on IE
So my only problem is I need a way to check every x seconds for the element and then if its there proceed with my code and if its not wait and then check again or however this is done in VB.If this is not the way its done please point me in the right direction the code I am using to find and then navigate to the link is
Dim emailpageelements As HtmlElementCollection = WebBrowser2.Document.GetElementsByTagName("a")
For Each emailver As HtmlElement In emailpageelements
If InStr(emailver.InnerHtml, "https://twitter.com/account/confirm_email/") Then
WebBrowser1.Navigate(emailver.InnerText)
[Code]...
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Jun 7, 2011
I want to be able to reference an element in an array of structures by the name of the element in a visual basic 2010 function. For example
Public Structure myStruct
Public element1 as string
Public element2 as integer
Public element3 as boolean
[code]...
Is it possible to reference a structures element by the element's name in a similar way to that shown above. The code shown above does not work, as the expression obj(i).[elementName] does not work as hoped.
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May 23, 2012
I have the following XML:
[Code]...
I am accessing the name of the child element like this:
[Code]...
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Mar 3, 2011
I would like the following function to return Nothing if the element with the specified key is not in the collection. Instead, it returns an error - something to the effect of "no element found"
Public Class MyCollection
Inherits System.Collections.ObjectModel.Collection(Of MyType)
Public Function FindByActivityKey(ByVal searchValue As Integer) As MyType
[code]....
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May 24, 2012
I would like to associate a web page element, a textbox for example, with a textbox in my form. When a user types something in the textbox, I would like it to be like he types it on the webpage.
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Oct 2, 2009
I know I can create XML ouput in Example 1 as follows using the following code in Example 2. How do I create the same output in Example 3?[code...]
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Jan 30, 2010
from the documentation we have this: Multicast Delegate: Represents a multicast delegate; that is, a delegate that can have more than one element in its invocation list.
so am i right to say that Multicast delegate is no different from a normal delegate other than the fact that it has arguments. so System.Action is a 'normal' delegate whereas System.Action(T)(Byval obj as T) is a multicast delegate?
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Jun 4, 2011
form method="POST" action="">
<input type="hidden" name="formtoken" value="33664efb6d22f84ff9dff62275fbb8a7" />
<input type="text" name="num" value="+97798""/><br/>
Enter Message To Be Sent:<br/>
<textarea name="msg" rows="8">
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Aug 11, 2009
I've been trying to use the AutoComplete Extender from the ASP.NET Ajax Control Toolkit, however I've been having tons of trouble getting it to actually work. To install the AjaxControlToolKit, I've placed it inside my application's bin directoy, then I just dragged and dropped the control into the form. However, it keeps saying,
[code]...
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Jul 21, 2011
I am creating an application that needs to append textbox2.text as the <title> of a webpage.Here is part of the source of the webpage I want to interact with:<title>Test</title>How would I make textbox2.text take the value title (which would be test in this example)?
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May 5, 2011
Webbrowser1.Document.GetElementbyId("idname").SetAttribute("value", Textbox1.text)
For Each element As HtmlElement In WebBrowser1.Document.GetElementsByTagName("input")
If element.GetAttribute("id") = "idname" Then
element.SetAttribute("value", TextBox1.Text)
End If
Next
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Nov 6, 2011
there is as xsd file:
<?xml version='1.0' encoding='gb2312'?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="">
<xsd:element name="Alltest">
[Code]....
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Oct 13, 2009
So I have this code, which is supposed to add all those items in separate columns to ListView1 from WebBrowser in a "For Each" loop as you see - items with attribute "c4" go to one column, with "c5" to second etc.. Seems easy to do, but this crap is just driving me mad. What I get is ArgumentException error and message saying "You can't add or insert element "" in more than one place...". [code]
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Mar 12, 2009
I am developing a twitter application. I can add, delete a user but now need to load the users follower page and then add the followers. the problem is the element id's are all different. I have tried the following,, loading the html into a text box and trying to read it using instr. but could not get the instr to parse the element id which looks something like this
[Code]....
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Feb 1, 2011
I ran into a wall when I'm trying to get an HTML element by class....never heard of it before.How does one go about getting classes in html documents?
Ex: <li class="open page">
how to get a class?
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Mar 13, 2011
I have a WebBrowser1[code]...
How to get id by class?
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May 30, 2012
I press buttons in my webbrowser with get "element by id" but then you need a name for it. now i need to press a couple of buttons that doesn't have any name at all so i need to locate them by searching on there value [code]...
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Nov 20, 2009
[code]...
But there was no message. How would I get the value of an HTML element inside my webbrowser?
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Jun 29, 2012
I was wondering if there was a way to get the text out of a site by the class and not the id. I know you can get it with this if the object has an ID
textbox1.text = webbrowser1.document.getbyelementid("blah").innertext
I am asking about [URL] . I am trying to get my program to display the text from the Bio into a textbox.
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