Converting Client Side HTML Radio Buttons To Asp.net Web Controls With Dynamic Ids (VB)?
Jan 12, 2011
I have the following client side code in .aspx page within a datalist itemtemplate that takes questions from the database like this:
<Itemtemplate>
<b> <%=GetQuestionNum()%>)
<%#Server.HtmlEncode(Eval("Text").ToString())%></b>
[code]....
but I'm finding it impossible to work with the html controls, i.e get their .text value from codebehind, or adding events! better way to replace the html with suitable asp.net web controls or from the codebehind and output it.
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Jul 27, 2009
I am not certain how to do this, but it seems like it should be easy to accomplish.I have four radio buttons that I want to assign answers to, one of which will have the correct answer along with three other answers that have incorrect answers.The answer button I want to set up as a randomly assigned button, with the other three assigned after the fact.'This code works fine to assign it to Radio button #1.rbGenericName1.Text = m_dtDrugs.Rows(DrugNum) ("GenericName").ToString()I want it to be a randomly assigned button, where the location that the "1" is residing, is a randomly assigned value between 1 & 4. Here is what I have so far, but it has a Syntax Error.
rbGenericName & RndNum & .Text = m_dtDrugs.Rows(DrugNum) ("GenericName").ToString()I know that the above code is not correct, I am just trying to represent what I am trying to accomplish. I already have a random number generator in place, I am just looking for the correct syntax.
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Jan 17, 2011
My VB application is behaving strangley. I have form with fairly large number of controls. I am using case against radio buttons. after curtain number of buttons, it stops responding to more radio buttons.
Then I tried to split controls in to 2 form but now my form.showdialog() too now working properly. It takes new from names but show the old form when running.
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Dec 2, 2011
I have a simple questionnaire system which shows a random number of questions to the user out of a certain total in my database.I have 2 separate tables: Questions and Alternatives (which are the options to answer) related by QuestionID field in both tables. I rendered such questionnaire using Nested Repeaters (parentRepeater for questions and childRepeater for the options) and it shows correctly on the page.Each option is a radio button which I had to use it as a HTML instead of the Standard Server Control <asp:RadioButton> because of the Dynamic ID problem inside a repeater.[code]What I don't know is how do I get all the questions answered by the user given that I don't know the QuestionIDs and the Alternative IDs since it's randomly generated and using a HTML input tags?
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Jun 22, 2011
I am struckup with a problem from last two days. I am creating a web application using VB.NET, Ajax & RAD Controls. When user clicks on a button I want to open a RAD Window and show the list of ledgers available to the user, so that he can select one from the list. And to open that window I have to call a java script function from client side, which is already achieved using the below code.
[Code]...
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Oct 20, 2009
I want to print a fully decorated form having radio buttons,combo box,checkbox and so many other controls with vb 2008 in a A4 sheet, I dont want to use print form utility given in power pack since the print resolution are very low.
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May 23, 2011
Can I send an object from client-side javascript to server-side code via ASP.NET ?
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Apr 13, 2010
I know this defeats the purpose of client side vs. server side (refer to title of this thread). What I would love to do is build my own custom progress indicator on the client showing how far a server side code has progressed. I figure if I could only get a JavaScript to fire and render a value of some control at pre-defined intervals while the server is working I could make it happen - but alas I'm beginning to believe that this is impossible. Below is some code that performs three 2 sec loops. At the end of each I want to change the visible value of a control on the browser. [Code]
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Jul 13, 2011
Using the following script:
$("#some_button").click(function() {
var changed = [];
[CODE]...
I need to send back the id, the old value from _1 and the new value from _0 back to the server. What is the best way to format this data so I can easily extract the data from the server side so I can easily email someone for example to let them know which textboxes have changed, what the old values were, and what the new values are
At the serverside level, I am using .NET-3.5 (VB). I know how to send the data bacl. and how to email the data, I just wanted to know how to best format the data at clientside before sending it back. I could have upto 50 sets of id, old, and new values to send back. Sorry for not making that clear earlier.
Example:
How can I modify the script above to generate this?
[
{
"id": "name_0",
"new": "text",
[CODE]...
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Feb 23, 2012
I have a basic asp.net web page. I have a menu bar divided into 3 columns. Each column displays an xml file. However instead of showing them side by side it displays them one on top of each other. i think it might be to do with my css?
My asp.net web code:
<div class="menubar">
<div class="menuleft">
[code]....
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Jan 25, 2012
I add an option to a select with jQuery. When I save with an asp button, I don't see the changes on the server side in the click event.
And the HTML is all correct after I add the option.
Is it a coding problem or I don't understand something?
$(selectCourant)
.append($("<option></option>")
.attr("value",$(dropdown).val())
.text($(dropdown + " option:selected").text()));
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May 14, 2011
I currently have a parent Listview and its child Listview displaying in the centre column of an HTML page that consists of three columns left, centre and right. And all looks very good. However I would like to display the child list view in the right column beside the parent list view.
To do this it seems I must somehow generate from the code behind page a new row in the table every time the parent Listview displays a record of its data and then some column HTML so the first child list view will appear in the right hand column.
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Dec 1, 2008
I have been reading through Atheists posts in regards to client-server and TCP client/server connection's. But how do i go about writing a program with 1 client and server where the client side creates a text file.Once the server sees there is a text file it connects and downloads it to itself or the client pushes the text file to the server.Once on the server i will read the text file and put its info into a sql db.
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Oct 10, 2011
trying to write a simple form for calculating professor's salaries depending on their degree and position.my problem is that the when i select a check box, the value is not being updated until i select a different radio button. it probably doesn't make much sense here,
Public Class frmMain
Private Sub optLecturer_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles optLecturer.CheckedChanged[code]....
the values being assigned to my salary label are correct, but are not being updated until i select a new radio button. im not entirely sure how to get around this so that the value is updated as soon as i select the check box.here's when the program looks like:
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Jun 18, 2012
I have an application which have multiple tab pages. On of these pages I have a group box with many controls that do something.Now the problem is I want to add exactly the same group box by the current one that can have different paparemeters.This is exactly the way that i want to add comparison capability between to set of parameters.I have more than 500 lines of code that responde to changes of these parameters and does something.Is there any way to replicate the the whole gropbox and use the same code for both and and being able to difrentiate between gropboxes.I think there was an array control in vb 6 but I am not sure if this the best way to do this in vb.net.What is the best way to do this for the least amount of changing the code and wasting time.
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Dec 28, 2011
Ultimately, what I want to accomplish is an AJAX-based messaging system. I already have a database table for messages, and an ASPX to add new messages (and declare old messages no longer relevant).
The current messaging system simply polls the server every 15 seconds, and re-pulls the current message set.
What I am looking to do is: On $(document).ready(), register an ajax callback function that listens for a server-side event (e.g., MessagesUpdated) On table insert/update, fire MessagesUpdated server-side.
This way, whenever the table is updated (or new records added), any clients listening know that new data is available and can re-poll the server then.
Ideally, I'd also like to make the new data available as an event argument (to minimize re-polling the db).
I can find references to something like this in other languages, but I cannot find any actual code examples to get me started.
Assuming this is possible to do via .Net, can anyone help get me started on this?
I'm using the 2.0 Framework. Also while I added a VB.Net tag, I can read C# reasonably well, so please feel free to post in either language.
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Apr 22, 2011
I'm trying to, from a client-side piece, call off to a server-side piece. I need to do this synchronously. On my server-side code, though, I'm calling off to another piece of code, which I want to have a maximum of, say, 10 seconds to return a value. If I don't have a response within 10 seconds, I want to force my own server piece to set my result equal to 0, and return to the client.
Here's what I have on my server-side code so far:
Public Function GetWebResult(ByVal inputParameter As Object) As WebReturnObject Implements IWebInterface.GetWebResult
Dim result As New WebReturnObject
Dim webItem As WebItem = Nothing
[CODE]...
I realize this code is not functional. The problem is that I'm unsure how I would go about getting back into GetWebResult to set the appropriate return values before it is sent back to the client.
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Jun 12, 2011
I'm using a dialog form with two buttons and two Radio buttons.I'm oppening this Dialog when a button is clicked on the parent form.My situattion is when the Dialog opens the code in the button event continues to execute, but I only want it to continue to execute only after a button from the dialog form have been clicked
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
If multipleEXT = 2 Then
Extension.Show()
[code]....
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May 8, 2011
i have created a dynamic tabpage and a dynamic tablelayoutpanel inside it then added dynamic textboxes and labels inside the tablelayoutpanel...the thing is , i am having a problem on how to access the value of those textboxes and labels and add them as new columns in the new table(tagpage) in mysql database, i can already create the table in the database but i cant add the new columns in it. heres the code for accessing the values of the labels and textboxes
error: NullReferenceException was unhandled....Object variable or With block variable not set.
sql = "alter table " & tbl_selected(counter) & " add " & frmMain.Controls("TLP_" & SecArrList_sp(counter2)).controls.item(SecArrList_sp(counter2) & "label" & counter).Text & " varchar(100) NULL;"
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Nov 30, 2009
Be able to instantiate the object and hook up the MessageReceived and ConnectionChanged events (or ones with similar purposes). Be able to send data (duh) When data is received, it fires the MessageReceived event on the same thread that the object was created on (this would be nice, but not absolutely required). Have a blocking and non-blocking options for connecting and possibly sending data.
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Mar 7, 2011
I'm curious about how to perform client-side filtering, where Javascript is involved (it may not need to be written, but his is what the user's browser will run). It shouldn't need ajax (though ajax related solutions are welcome).
I'm brand-new to Asp.NET programming. This example pertains to a problem I am having at work. I've done many years of application based programming, and even some php. But learning Asp.NET is giving me a hard time (something I wasn't expecting).I have three combo boxes. But I want to filter out what gets put into them based on what is selected and what is available (an extra table).
Here is the example code page. Right now there is only a blank Page.Load() in the code-behind .vb file.
[Code]...
p.s. I work in the morning, so I will be around again in about 12 hours. Off to sleep with another day of no solution. Example Project is where the initial code is from.
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Jun 14, 2012
i have a question ( i am learning VB) is there is a way in vb.net to make the Me.LoadComplete loads after the client side , i develop this simple code to make it easy to understand my question
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
Handles Me.LoadComplete
MsgBox(myhiddenField.Value)
End Sub
[Code]...
when the page loads , the MsgBox will be empty but when you click the link button the MsgBox has the value you set in the javascript , so i assume that the page_load function gets excuted first
the question is how can i load the client content before the page_load ?
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Feb 24, 2011
I'm having a http handler that is retrieving images from the file system on the server. I need to cache these images on the client side(browser). For that thing i'm doing the following code
context.Response.Clear()
context.Response.ClearHeaders()
context.Response.ClearContent()
[Code].....
The thing happening with this is ... When i switch between the tabs its taking it from the cache... but when i hit the browsers refresh button its again going to the file system on the server. how to cache these images on the client side.
P.S: Cant do markup caching for all the pages im my application.
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Jan 29, 2012
I am testing an application. In tableadapter configuration wizard, On server side:While choosing data source, I chose Microsoft SQL Server Database File.This gave the connection string as:[code]Now I want to use the same application on Client side (off course databse is stored in Data Directory of my application in Server Side) Now in tableadapter wizard, I choose Microsoft SQL Server Express.Is that correct?I have done all configurations for remote connection etc. and also done the firewall settings.When I run this test on client side, it returns error:Cannot open database "Database1.mdf" requested by the login. The login failed. Login failed for user 'MYHOMESERVERKh. Furqn'.Why does it go to Kh. Furqan while I am giving it SQLExpress, where the DB is attached. My server is MyHomeServerSQLExpress and connection is MyHomeServerKh. Furqan (Authentication is Windows Authentication, and no password for it)
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May 28, 2009
I want to have a Windows application. It should take data input via RS-232 or via USB from a barcode scanner that reads 3 of 9 barcodes. The data received must be validated against a CSV file on the local harddisk and the result sent back to the scanner. I need this application including source. Does anyone know such a tool?
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May 27, 2009
I have a client-side app which I am working on. As I start to enhance the app, I am starting to wonder whether or not I should be building a network side app instead. My app in its current form sits on the client side and generates some text and XML files which are stored locally on the client side. The user reads/write to these files. However, I want to start working with SQL AND the processing time of my app is starting to consume resources (i.e. time and CPU) on the client side.
Can someone provide me with some highl level feedback on what one would do to make their client-side app a network app that multiple users would have access to. I realize more detail would need to be provided in order to provide thorough answer. However at this point, I really just want to understand how a network app would differ from a client app from a programminga and deployment perspective.This is not necessarily a VB question. Howevever since I am working in VB I though I would start in this forum. Feel free to move to the appropriate forum if need be.
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Jan 10, 2012
am [writing reading] from a plain text file usernames and passwords, but its an bad way of securing data, is there any other way to do this, most probably by using IV's, encryption decryption algorithms.
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Jan 29, 2009
installed in a another system. For some quite time, the client system is sync with my system. I have updated its database, i also updated the clients executable files. I have never tough any references in the system.My question is, an error occurs occasionally which is "Object reference not set to an instance of an object". This error does not occur in my development environment but is displayed on the client's PC
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Jul 13, 2011
How can i call a jquery method from vb sub routine?My code is when it returns false, the div which contains an alert message will show. Her'es my code, but its not working:
If res = Nothing Then
Page.ClientScript.RegisterClientScriptBlock(Me.GetType(), "PopupMessage", "$('.styleError').toggle('5000');", True)
End IF
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Jun 8, 2011
Currently, in my web application I have a listbox that gets populated client side (via java script) with a set of ids -- we'll call this page 1. Server side, I am populating a variable with the ids and passing it through a query string to another page -- we'll call it page 2. Now, I have a previous button on page2 which allows me to go to page 1. I'm trying to figure out how to repopulate the listbox on page 1 with the values previously selected. I was thinking of just storing the set of ids in a session variable and using it client side to repopulate the list box. Can anyone advise on how to access a session variable client side?[code]...
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