.net - ASP.NET Session Variable Is Wrong After Multiple Click Event Fast?
Feb 29, 2012
I have an asp.net website to manage projects. I realized that when I click for the next project really fast and often it overrides all the next projects with the data of the first one. I call a method to save before to go for the next project. I use also a session variable for the id of the project.
EDIT: It looks like the sever stacks the save method and the ids but keeps the values of the first project in the controls this is the ajax that calls a server method to get the id and set it in an hidden field:
[Code]...
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Jan 16, 2009
i declared a global variable button:
Dim button1 As New Button()
Now, i dont know how to add a click event in this button since it is a variable.
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Jun 8, 2011
I'm wondering whether it is possible to declare a global variable in a click event. I need to declare an array of a specific size. The specific size is generated using a series of IF statements. I only need to know how to declare it.
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Apr 30, 2010
IS there any method to perform two different tasks in one click event Like By clicking OK button i can do
1- Instantiate a new form
2- Add somthing to listview or can do something else
But these tasks not to me simultaneous. One task at a time Actually these taks will be performed simultanously, but i want one task to be performed at a time, not both?
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May 24, 2011
Im trying to create a diary system that on click event of the built in calander in vb.net opens the current diary entry for that day. i am using the my.settings variables to store the entrys the problems i am having is how to create a my.settings variable automaticly if one dosnt exist for that date (will be using the date of the clicked day as the name e.g. 10/5/2011)
So basicly i want the user to be able to click through the dates on the calander and the entry be displayed in a text box next to it, blank if nothing is there and the user can edit/save them after just need the code to auto create and i guess how to search the my.settings im quite new to using this storage, i normally use text files. the pic shows the program so far, it has one diary entry but it has no relation to the date. the label is linked to the calander also , displaying the selected date.
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Aug 11, 2011
im trying to create a diary system that on click event of the built in calander in vb.net opens the current diary entry for that day.i am using the my.settings variables to store the entrysthe problems i am having is how to create a my.settings variable automaticly if one dosnt exist for that date (will be using the date of the clicked day as the name e.g. 10/5/2011)so basicly i want the user to be able to click through the dates on the calander and the entry be displayed in a text box next to it, blank if nothing is there and the user can edit/save them afterjust need the code to auto create and i guess how to search the my.settingsim quite new to using this storage, i normally use text files.the pic shows the program so far, it has one diary entry but it has no relation to the date.
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Oct 19, 2009
Is it possible to do a multiple records editing by linqtosql method in one click event? What I've been trying to do is to edit all the names in the table which are having the same account number. I was able to edit but only one name has been edited and the rest are not.
The codes I used.
Private Sub Button2_Click(------------) Handles Button2.Click
Dim accnt As String
accnt = Textbox1.Text
Dim db As New memrecDataContext()
Dim editrecord = From mem In db.Table1s
[Code] ......
Why is it these codes could only edit records in one datarow?
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Jan 3, 2012
I am trying to code for is as follows: Construct a two dimensional array and enter into it a sales id number followed by twelve variables which represent sales totals made by the sales agent. this must provide space for five agents. I can declare the proper array and have done so as follows
Dim Sales (4,12) As Double. I also crafted a click event which will count from 1-12 (which excludes the sales id number) and disables the sales id number so it cannot get used. [Code]
What I am trying to do is setup a function within the same click event procedure which stores the current SalesAmount as a variable in the array and moves to the next slot to get ready to store the next SalesAmount. However I have no idea where to go from here. I have tried a ton of different pieces of code which are either all littered with errors or do not return a value when I call it. Calling the total of each row and the total for all rows is something I need to do for display and I am not one hundred percent sure I know how to do that either.
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Jun 22, 2010
my event in timer goes too fast, i need to slower it. the interval is ok, i cant use sleep because it freeze everything ( webbrowser control ) and it need to stay active not freezing. i tried application. doevents() no result same problem, is there a way to do what i need? its a program that automatically fill a webbrowser form and restart every-time. there no logout button so i need to use setmouseposition and mouse_event but timer do event too fast one after other and if i use sleep everything go wrong.
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Jan 24, 2012
I have two (2) variables in a textbox (L7B) and (D2B).
TextBox3.Text = (L7B) &
" " & (D2B)
I want to write over (L7B) without changing " " & (D2B).I have been using the TextBox3.Text.remove command with success however in this case there are just too many scenarios. (D2B) isn't the same number of characters so I would have to determine the number of characters to remove in each scenario.
To write over (L7B) I thought I would try TextBox3.Text.remove ((L7B)). To my amazement VB accepted this command but when I run it it removes " " & (D2B). How is it removing the wrong variable? I could understand if it didn't work at all, after all that's what I expected to start but to delete the wrong variable !! why?
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Jan 14, 2011
Partial Class Preferences_MyPreferences
Inherits System.Web.UI.Page
Dim userID As String = Session("UserID")
This is just a page in asp.net. I want to be able to grab the Session("UserID") but every time I try, I get this error:
Session state can only be used when enableSessionState is set to true, either in a configuration file or in the Page directive. Please also make sure that System.Web.SessionStateModule or a custom session state module is included in the \ section in the application configuration.
If I put that Dim userID inside say the Page_Load Event, then it works fine. Why does it have to be inside an event? I want to dim it once, and use it throughout the page.
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Jun 5, 2009
I have an aspx page with a button, the user clicks the button a session variable gets set, I then read the session variable later. here is an exaple of my button:
<
td style="width: 100px" align="center">
<asp:Button ID="btnCiv" runat="server" Height="32px" Width="50px" Font-Bold="true"
[code].....
Everybody seems to come up empty after the initial setting of data.
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Jul 6, 2011
I programmed my website using visual basic code (via microsoft expression web) and need to post information to a remote location using a php page. How do I take variables from my visual basic code and transfer them to my php code? I was thinking sessions would work, but I haven't figured it out yet.
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Oct 10, 2011
My vb.net application needs to use a session variable. I don't really know how to use it in ASP.net. I've been trying to use what my books have, but I can't get this label to work. I need the user input to be validated against the database and if their code is in the database, the textbox should disappear and a label will appear saying Welcome. The way I wrote it, I get an error saying the server tag is not well formed and in the codebehind it says that the ID of my label is not declared. Can anyone spot any problems with the code I wrote?
[Code]....
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Feb 3, 2011
I am using ASP.NET. It is possible to create a session variable on page load just for a particular page/url? The problem that I have is: The user comes to page 1 and the session variable becomes A, then he opens page 2 in a new tab and the session variable because B on both page 1 and page 2. So when the user needs the session variable on page 1 it does not work because the variable have changed!
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Feb 14, 2011
Sub Authenticate()
Dim username As String
Dim password As String
[code].....
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Jun 2, 2009
I'm using a compiled .dll provided by someone else -- I know little about it, other than it has a session variable that I must access in a way that is strange to me. Not sure what to call it -- have googled for words that I thought might be right, but so far no success.
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Nov 20, 2009
Scroll Event goes wrong.I have this [code]...
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Mar 3, 2009
Here is the situation: User logs in via username/password stored in an MSSQL database If the user is authenticated, the system makes a session variable with username/SHA1'd password and boolean if the user is logged in or not (for subsequent pages) I need to be able to destroy the session variable. I want a confirmation box as well.
This is what I have so far:
<script type="text/javascript">
//<![CDATA[
function doLogout() {
[CODE]...
Since it is an ajax request won't reload the page (the functionality works fine, the request destroys the session), I think I need a different approach to do this. I would really like to be able to do it all in ASP.NET if possible.
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May 24, 2012
Does session variable shared accross different browser? If not is there away that I can share information accross browser similar to the functionality of caching but the scope is wider.
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May 7, 2009
I keep a Session variable when the user is logged in. So that when the user click on btnLogout it must clear all my sessions and Log the User out for GOOD!!!
It does clear my sessions but if i click the BACK button in IE right after i logged out then i am still logged in! Meaning it goes back to screen where the user was still logged into.
My code on log out
protected void btnLogout_Click
{
Session.Clear();
Session.Abandon();
[Code]....
Is there maybe an option in code i can do that will disable the user from pressing the BACK button in the Web Browzer?
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Sep 18, 2011
Im trying to grasp session varibles, i understand what they are etc but i would like to know how to define a type for each session variable.Iv written it like this
Session("Title") = txtTitleContent.Text
How can i tell it what type of value is going to be in it, because at the moment im only playing about with strings, but what if i have an integer and want to pass it back to the back end to save it will throw an error saying "conversion from string to integer is not valid" should i use Cint to deal with this?
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Feb 27, 2009
As the title states, I have a session variable that is set during a login script with asp.net and vb.net code-behind. Can I call a javascript function when a link is clicked that will destroy that session variable? If it is possible, can I use jQuery to make that process easier?
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Aug 8, 2011
I am using VWD 2008 express edition to edit the code below. The HTML Insert Code is as follows: I have no code behind.
<Fields>
Line
24 <asp:TemplateField
HeaderText="RecordID"
SortExpression="RecordID">
[Code] .....
My objective is to populate the DetailsView with a single field in ASP.Net VB, when Inserted, a Record will be created with only a key field.
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Feb 24, 2012
I have a master page with the following vb code in the code file...
Public Sub Page_Load(ByVal Sender As Object, ByVal E As EventArgs)
If Not IsPostBack Then
If Session("key") Is Nothing Then
[code]......
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Jun 30, 2011
I'm using some session variables to store and pass data across several pages of an ASP.Net application. The behavior is a bit unpredictable though. [Code] Ok so far so good, on a normal page load. If the user completes the form action, hits the next page, and decides OH NO, i needed to change field xyz, and clicks back, corrects the data, then submits, the session variable is showing as NULL. Why would a cached session behave this way? I'm not destroying/clearing the variable, unless I fail to understand the scope of session variables.
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Sep 29, 2011
I have a session variable in my asp.net application. The session variable holds a value from the database, that reflects a customized HTML color value.In my application, I have an asp button with server side code
btnContinue.BackColor = System.Drawing.Color.FromName(Session("ContinueColor"))
Issue: However, when I run the application, the color value is not being reflected in the button. I did double check, and the session variable does hold the correct value.There are other objects, that use session variables to display colors, and they are working fine.
Update: When I force a color "btnContinue.BackColor = Drawing.Color.Blue", that works perfectly fine.
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Jul 26, 2010
I've got some code that looks like this:
If ediFileGroupAbbr = "NIPDSINV" OrElse ediFileGroupAbbr = "WWPDSINV" Then
Dim p As New PrivateBillingAdapter_ForN(ediFileGroupAbbr, businessLocationID, mode, EDIJobItemLogID, BusinessUnitID)
Return p.ProcessEDI(True, False)
ElseIf ediFileGroupAbbr = "FOPDSINV" Then
[code]...
to which I'm passing in a value of ediFileGroupAbbr = "FOPDSINV". But the code is executing as if it's dropping into the third condition (p is a PrivateBillingAdapter). So I've stepped into the code and, sure enough, it drops into the second condition. BUT, if I step into the execution of the constructor, the debugger jumps to an odd place in the code - sort of the middle of a method and not on any actual line of code.A couple clicks and it hops back out of the constructor, still in the second block of code. But if I mouse over the variable p to see it's type, boom, its a PrivateBillingAdapter (from the third block).Like I said, something is clearly wrong but I don't know what. I've tried rebuilding several times but with no new results.This is VS2003, framework 1.1 with VB.NET.
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May 22, 2009
I wanted to know if anyone could tell me how to access the Click_event.I have a boarderles form with a panel control which has the Dock property set to fill and on the panel I have placed a Label also with the Dock property set to fill. I also have a timer running.How can I get code to execute in the Label1 click event.I've tried doing it by using the generic Click_event and also with two variations of the Click_event Handles parameters
'Alternativ 1:
Private Sub Form1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label1.Click
[code].....
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Mar 29, 2012
I have 2 web pages. In the first webpage I have a text box which takes an user input.The number of controls rendered in the second page is based on the user input in the first page.I am storing the user input from the first page as a session variable [code]Now, I wish to use this session variable in the next page for initializing a global variable and what I tried to do is Dim num_Invitees As Integer = CType (Session("NoOfControls ToGenerate"),Integer)But this gives me a NullReferenceException.Can someone please suggest me what exactly I should be doing in order to use the session variable to initialize a global variable and also why the session variable's value is null while using outside a function but works fine when used inside a function?
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