Web Forms :: Click On NewButton Does Not Validated Dynamically Generated Textboxes?
Jun 15, 2010
I have created a page with a textbox and a button, when you enter a number in textbox and click on button, the onCommand event generates dynamic textboxes with dynamic requiredFieldValidators in the placeHolder and a newbutton. Now when I click on newButton, it does not validated dynamically generated textboxes, it does postback and every dynamic object disappear. The sample code is provided below.
[Code]....
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Similar Messages:
Nov 5, 2010
my problem is that i have a dynamic controls(text boxes) that are generated depending on a dropdownlist
and upon generating the textboxes i have created a required field validator and associated it to the text box that is being generated,
when javascript is enabled in my browser, the client side validation works fine, but when i disable the javascript.. no server side validation occurs and the Page.IsValid gives true when the method Page.validate() is fired
i tried a new simple page with dynamic controls and seems to work fine, but i could not figure out whats wrong with this page.
private void generateFarmForm()
{
int numberOfFields = 9;
Label[] labels = new Label[numberOfFields];
TextBox[] farmt = new TextBox[numberOfFields];
[Code]....
also the button that submits the form back has the same validation group,,, yet no luck with this... the page is in a content tag of a master page if this has any relation to the problem
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Mar 21, 2010
How can i dynamically add textboxes and dropdown lists on a button click. I'll be showing 4 text boxes and 1 dropdown list initially with a link button ADD MORE, Then after clicking ADD MORE button i need to generate same 4 text boxes and dropdownlist exactly in the below row as in EXCEL sheet.
I'm having a SQL table with 4 textboxes and a drpdown list values as columns and i need to insert them into the database. i previously worked on the same requirement where i've collected multiple values frm a listbox control and looped all the selected items and comma seperated them and inserted them into table(here the case is different, there is only one row so it became simple and straight forward during insertion). Now i need to loop throguh all the 4 textbxes which user enters and need to insert those 4 textboxes values into DB under same columns.
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Dec 30, 2010
I'm trying to play a WAV file that I generate dynamically in a HTTP handler and setting the NavigateUrl property of HyperLink control:
<asp:HyperLink runat="server" NavigateUrl="~/ServeAudio.ashx" Text="Play Sound" ImageUrl="~/images/speaker_louder_32.png"
ToolTip="Play Sound"></asp:HyperLink>
But when I click on that link, it opens Windows Media Player - I don't want that. I just want the sound to play.
I have also tried using a few of the jQuery plugins and they seem to work if I have have a fixed URL to a WAV file but they don't work if I set the URL to my HTTP handler.
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Feb 28, 2010
I have a GridView control bound to an AccessDataSource. After selecting a row I'm creating a table inside the selected row. I'm adding Buttons to this table. Their Click event never gets fired.I read similar problems' solutions involving recreating the buttons and stuff
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May 3, 2012
I am developing a mini project in asp.net-c#..how can i visible number of textboxes at runtime to insert records by single click in sql server 2005. for example. If I have assigned 3 subjects in Assign_Subject table then i want 3 textbox at runtime but when we retrieves the subjects from Assign_Subject table we don't know the exact number of subjects to insert students marks into Exam_Result Table....
I need to create textboxes dynamically as per assigned subjects and also I need to read the text entered later (in my case its marks of the student)then 1 Insert button to insert all subjects marks as per single click.
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Jul 17, 2015
How to create a table in the code behind to display data from the database by creating a new table etc. How I could target existing HTML in my aspx file as opposed to creating a new table in the code behind?
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Oct 28, 2010
I have able to generate several labels and textboxes based on a table in the database during runtime. My problem is that I could not get these values from these textboxes whenever a user changes these values and update them.
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Oct 5, 2010
I have code that another member assisted with and is working great. Now that the page is working more and more like it should with the remaining requirments. I have something else i would like to implement.
Since the code i have automatically creates / generates a table with textboxes and labels based on a drop down selection. I would like to know how to clear the textboxes if they chose 0 from the dropdown. Or if they select "No" on the radiobutton, then that means they have nothing to provide, so i dont want to capture something that they may have entered before changing their mind.
Here is the code the generates the tables and textboxes, i just need to setup, so that if they select "NO" from the radiobutton or if they select "0" from the dropdown that the textbox values, if any, are cleared so that we dont get inconsistant data captured.
[Code]....
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Oct 27, 2010
I have able to generate several labels and textboxes based on a table in the database during runtime. My problem is that I could not get these values from these textboxes whenever a user changes these values and update them.
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Jun 30, 2010
I have a dropdownlist on my page which has autopostback set to true. On postback I populate a runat server div with a bunch of other DropDownLists. I then have a button which does another postback to save the selections. Because the second set of dropdownlists are dynamically generated I cannot for the life of me figure out how to get their selected values?
1st DropDownList
[Code]....
Then when I try get the dropdownlists using a foreach on the div that I added the control to it does not work. They are populating fine, its just on the button click. I have tried EnableViewState = true on the dropdownlists and my code is correct because if I code them into the aspx then it works, its something to do with the state.
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Feb 15, 2010
I'm creating 14 textboxes for every day in a month and user can select the month so i have o create them dynamically. But i can't reach the values in the textboxes.
When i don't create them dynamically like
<asp:TextBox ID= "TextBox1" name="TextBox1"> </asp:TextBox>
I can get the value from the C# side by using the
((TextBox)Page.Form.FindControl("TextBox1")).Text
However this moethod doesn't work for the textboxes that i created dynamically. I'm creating them in a loop it's something like;
[Code]....
Then i add the text box to the necessary places at my table.However i can't reach the textboxes when i use the same method
((TextBox)Page.Form.FindControl("!A uniqe ID!"));
It gave a null value...
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May 13, 2010
I would like to add textboxes when a button is clicked. I created a Panel with ID Pnl_language and I use the following code:
When I click, all the Textboxes are created successfully for the first time. But when I click for second or third time etc, it doesn't add more textboxes, it replaces the current with the next number of session. What should I do so it always add 1 more when I click?
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Jul 9, 2010
I'm displaying a table based on query results, and each record has a dynamically generated dropdownlist and submit button (and other controls, but this is simplified). That part works fine, but how do I reference the controls in a function? Here is the code I've tried. Create the controls:
[Code]....
Reference the control values (hopefully):
[Code]....
The function SubmitAction_Click fires when I click the Post button, so that part works. I just can't figure out how to reference the selected value of the dropdownlist. You can see that I'm explicitly giving the DDL a unique ID (DS_RecordID). I'm guessing I have to use FindControl to reference it, but I don't know how to format the code.
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Feb 11, 2010
I have implemented a user control with dropdown lists and textboxes where user may choose to add more of the same user control dynamically then submit the values within all usercontrols at the same time. They way I added usercontrols dynamically is whenever user clicks "add more" button, it increases the value of "userControlAmount" in session by 1, reloads the page and during next page_load event, within an updatepanel it creates usercontrols on the fly.
However whenever more is added since all usercontrols are generated again according to the latest user control counter, the values within the dropdownlists and textboxes are getting reseted.
I can hold all values in a viewstate/session however beyond the time/effort it will take, it doesn't sounds very "professional" to me. I was wondering if there is a more efficient way of doing this.
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May 27, 2010
I have a form that has dynamically generated textboxes using javascript.
My question is how can I read the values of these dynamically generated textboxes since I dont see any HTML in the page source for these textboxes even though they appear in the page.
I tried to read using
var str = document.getElementById('txtHello').value;
It always returns null.
txtHello is the Id which I have given to the textbox when I generated it dynamically using javascript.
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May 21, 2010
I am generating a button dynamically at runtime and in event button click I am generating a TextBox dynamically at the runtime.
My question is I should be able to generate TextBox on every click. Suppose say, If I click three times then there should be three textboxes generated.
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Jul 20, 2010
I've to implement dynamically generated 'Tests'. It seems the best asp control to handle each's test option is the RadioButtomList control, thus I am writting in c# code to load programatically a table, render on rows the Tests' questions, and the options via radiobtuttonlist as the code bellow shows.
THE PROBLEM's since I did not ID each radiobuttomlist, once the test's end user submit his choices, I do not know how to get the selected item for each control so I can compute the results.
[Code].....
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Feb 23, 2010
I've recently added a Master Page to my site,but realized that it's caused some problems in my existing JavaScript setup.I am able to use the following code in most places without any issue to get the ClientID: '<%=myControl.ClientID%>'
The problem I have encountere is that I have several pages that add controls dynamically,and then execute events based on an ID that's passed in,where I can't use this line,because I won't know the ID of the control I'm trying to access until the Javascript executes.Here's a simplified version of the problem:
When the page runs,it creates n textboxes dynamically,and appends a relevant ID from the database to the end of the ID.Let's say the page has added 3 textboxes with the following IDs:
myTextBox1
myTextBox7
myTextBox115
Later,a javascript event fires,and I need to be able to access the control through JavaScript like this:
myJavaScriptFunction (controlID)
{
myvar = document.getElementById('myTextBox' + controlID);
}
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Jan 18, 2011
I have the following code to generate a table with the necessary textboxes. Now i need to populate those fields with the data from the table. If it makes it any easier, the individual textbox values are stored in a table with a reference to the main recordID
How can i populate the correct textbox with the appropriate column value?
[Code]...
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Feb 18, 2013
i want to repeat rows dynamically , while click on 'add' button
ex: Suppose there are three fields.
Name , image Price and "Add" button
while click on "Add" button the same row added and save all to the database
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Jun 24, 2012
I want to create a page that can create multiple aspx pages
Let me tell you the scenario
i have multiple clients and each slient has to send a report and number of clients can be any no. like 10, 20, 30 , 50 so its difficult for me to create a report page for every client. So My need is to create a page that can dynamically create a page suppose we say our mai page is like
Cliient Name TExtbox
textbox1 X
textbox2 X
textbox3 X
textbox4 X
textbox5 X
textbox6 X
submit button
now if we want 4 textboxes for client1 then user should click on X and two text boxes will omit for a particualrly that client and a page with 4 text boxes will create for client1
and similarly for client2 if for it we want 2 text boxes a page with 2 text boxes should be created
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Mar 18, 2010
I'm trying to get dynamically generated control by id with FindControl function, but it doesn't return it
here's short version of code when I generate controls, it is basically in a loop to have number of CheckBoxes depending on inputs
[Code]....
[Code]....
[Code]....
[Code]....
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Jan 17, 2010
how to Work with Dunamically generated Link buttons..
I need to find the unic name of each dynamially generated linkbutton..]
Is there any way to work with that..
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May 6, 2010
I have a asp.net page where we need to dynamically generate a table, table row, and a checkbox controls in this row. A button serves Add Row and create checkbox function, which works fine. We have another button which serves on deleting the selected row if a user checks the checkbox. The deleting event is dynamically added to the checkbox. But the delete button is not working at all. I think that the page does not maintain the states of dynamically generated controls, even I set Page enable view state to True. Here is the code:
I am generating a table dynamically with one row having four cells.
First cell is having checkbox and below is the code how i declare it and assign it a new id at runtime.
[Code]....
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