How To Retrieve The New Updated Value Of A Textbox In A ListView

Jul 31 10

I am unable to get the updated value of textbox within a listview when "Update" link button is clicked which calls a function.

<asp:ListView ID="_lvCartItems" OnItemUpdating="CartPartItem_OnItemUpdating"
OnItemDeleting="CartPartItem_OnItemDeleting" runat="server">
<table width="900px" border="0" style="font-size: small">
<tr style="background: #DDDDDD;">
<th align="center" style="width:80px">Delete</th>


AJAX :: Getting Updated Value From UpdatePanel/ListView/TextBox?

Jan 08, 2011 02:10 AM

I have a web form for payments which consists of a DropDownList (credit card, purchase order, bill me). By default, credit card is selected, and the form (a ListView within a UpdatePanel) is loaded with the user's billing address. If the user changes the payment option, the form fields change -- for example, if purchase order is selected, the billing address + credit card fields disappear and a "Purchase Order Number" textbox appears. This is done using an AsyncPostBackTrigger associated with an event in the DropDownList.My problem is that when the form is submitted, I cannot see the user-entered values within the UpdatePanel/ListView, but I can see the original values loaded in the ListView before the edits were made. For example, if purchase order is selected, I can see the billing address from the ListView, but I cannot see the newly-entered Purchase Order Number from the ListView.Here's an abbreviated version of my code. I've bolded and commented two lines where the problem appears:



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Forms Data Controls :: Listview Retrieve Textbox Value For Selected Row?

May 10, 2010 07:28 PM

I have a listview that is retrieving some values from a database and showing them. The information are; product name, price, etc. At the end of each row, I have a textbox and a button. Within the textbox the user is able to insert how many items he wants of that particular item and by clicking the button I want the value from the textbox retrieved. It may be relevant to mention that
with the button is a event attached (OnClick) which is where I want the value of the textbox to be retrieved. The part that is giving me problem is retrieving the textbox value for that specific row when the button is clicked.

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DetailsView ItemUpdate / Not Being Able To Retrieve The Updated Values

Oct 24th, 2010, 04:35 PM

I have been struggling with DetailsView for quite some time.

Only chkActive and txtStatement in the code below are Editable. So when I click Edit, edit the fields and click Update, it does go to the ItemUpdating event, but I'm not being able to retrieve the updated values.

I get error-

Unable to cast object of type 'System.Web.UI.LiteralControl' to type 'System.Web.UI.WebControls.Label'.

'Vb code



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Forms Data Controls :: Unable To Capture The Updated Value Of Texbox Within Gridview: TextBox TextNewQuantity = (TextBox)

Feb 04, 2010 06:36 PM

I have been trying to achieve the following:

1-Allow the user to change the quantity in a textbox i.e // "txtQuantity"

2-capture the newly entered quantity i.e //int integerNewQuantity= int.Parse(textNewQuantity.Text);

3-update the database using the newly entered quantity i.e. //UpdateItem(data,integerNewQuantity)

Problem:1-I have not been able to capture the text i.e. the newly entered quantity i.e. the value entered in the text box "txtQuantity"

2-Hence the database is updated using the existing value and NOT the new value unless I make a constant assignment as below:

textNewQuantity.Text = "2"; When tested the assignment of any number correctly updates the database. see the c# code:

C# code: Version.1
protected void btnUpdate_Click(object sender, EventArgs e)
txtItemDescription.Text = txtItemDescription.Text + "from btnUpdate talking.."; [code]....

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Getting Updated Text From A Textbox?

Dec 01, 2009 10:51 PM

I have 3 textboxes which display information from a database during page_load. I am allowing the user to update the data in the textboxes, then click a button to save their changes. In the button_click event I am attempting to take that information and update the database with it, however, no matter what I type in, I get the original values I inserted during the page_load. How do I get textbox1.text from the codebehind into a variable?


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C# - Textbox Value Doesn't Get Updated?

Oct 31 10 at 13:53

I have a page with a datalist with a textbox and a button on it, on page load the textbox gets text in it, if I change the text and press the button the text doesn't get updated.

protected void Page_Load(object sender, EventArgs e)
if (!IsPostBack)
DataTable table = CategoryAccess.GetProducts();
ProductList.DataSource = table;
protected void btn_Click(object sender, EventArgs e)
string Name = textbox.Text;

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Can't Read Updated Information In Textbox?

May 14, 2009 12:36 PM

I have a silly (!) but strange question: aspx code behind load a text box tb with some data (say, the text string 'abc').2.Then this string is updated, say, by typing a 'd' behind the orignal string, so tb now look 'abcd'3. However, when I do a read (e.g. dim input as string=tb.text.trim), I got the result of 'abc' rather than the expected 'abcd'....What had I done wrong?

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AJAX :: TextBox Value Not Being Updated From Code-behind?

Apr 21, 2010 10:58 PM

I have a webform that accepts a date range to generate PDF reports. I had to place a PostBackTrigger on the updatepanel and assign the button thaat generates the reports because the Response.ContentType is being set to "application/pdf".

The problem is I am updating the textbox value to the count of clients that are left out of the report generation in server side code, the count always come back as 0. I have tried multiple panels with no luck. The textbox is in the main updatepanel with the print button and that still does not work.


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Catching Updated Text From Prefilled Textbox?

Sep 24, 2009 01:11 PM

I use a dropdown as querycriteria to fill 2 textboxes. The aim is to be able to change the textbox content, and then via a update button send the changed text into the table.BUT .. I think that the postback is forcing to use the prefilled values .. so any changes made in the textboxes don't get sent to the database.Instead the prefilled data is sent .. meaning NO update ..Below the code I use to prefill on page load ..

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Web Forms :: Retrieve Value If Server Side Control Value Is Updated On Client Side

Oct 26, 2010 09:09 AM

I have a hidden variable and its value is being updated using javascript(client side) which I make a call from server side code. After making the call I am not able to retrieve the updated value from Server side variable. I went through this forum [URL] but not able find a way how to implement functionality with IFRAME. I am trying to call the client side code and retrieve the updated value from server side in page_load event.

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Web Forms :: How To Show A Message When Data In Textbox Has Updated

Aug 10, 2010 06:09 PM

I have a formview where there are a few textboxes. I want to show a message when only one textbox(txtAppNum) has been updated. I am not sure if I need to use textchanged event or onchanged event or there is some thing else to make this work.Please suggest me the way to do this.

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Forms Data Controls :: GridView - Cannot Grab Updated Value From TextBox EditTemplate

Apr 14, 2010 09:29 PM

I have a GridView with an ItemTemplate and an EditTemplate:


I am able to go into Edit Mode and once in edit mode I can see the textBox tbLogEntry fine. lblLogEntry is gone. I have left regular Item mode and am in Edit mode:


gives me back the original value, not the new one.

How do I get the edited value from the front end textbox?

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C# - Retrieve Values From Selected Listview Control Row?

Jan 8 10 at 18:17

My Listview control contains 4 columns and 30 rows.I can retrieve the row number by using:

//get row of listview item
ListViewDataItem item1 = e.Item as ListViewDataItem;
int findMe = item1.DisplayIndex;

How do I then get values from one or all 4 columns?I was trying:

this.lblReponseRoute.Text = item1.FindControl("routenameLabel").ID.ToString();

UPDATE1:The final solution is:

//get row of listview item
ListViewDataItem item1 = e.Item as ListViewDataItem;
int findMe = item1.DisplayIndex;

//find label value var routeLabel = (Label)ListView1.Items[findMe].FindControl("routenameLabel");
this.lblReponseRoute.Text = routeLabel.Text;

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Forms Data Controls :: Retrieve DatakeyName Value And Row Value From ListView?

Jul 22, 2010 09:29 AM

I have to reterive dataKeyName value for particluar row as well as value of one cell for that row on click of the linkbutton of that row in listview?

How to do?

should i be using selectedindex_changing event or some other event?

and my ItemTemplate Looks Like


Should i use lable to display so that casting will be easy for getting the value at backend?

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Forms Data Controls :: Dynamically Created TextBox In GridView Does Not Show Updated Value After Postback?

May 10, 2010 02:47 PM

I have a grid view that is dynamically created.In which every cell in the girdview has a 2 textbox (cTxtboxQty,ctxtWorkOrder) and 2 label.

When user click on the cell, a pop up come out and user are able to change the text inside the cell and click save.After that the pop up close and changed data immediately reflected on the screen.

My problem is:

After my data are changed and updated to database on the pop up page and having it post back to the parent page , my dynamically created textbox in gridview retain old value even new value has been assigned to it.

This sound very weird but i have no idea how to solve this.

My client side code is as below :





I have tested many times and find out that it might be the page hold the old value in memory, so that even we have updated the textbox value, after postback, it still keep and show the old value?

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SQL Server :: Why Are All Columns Updated Not Just The One Wanted Updated

Nov 21, 2010 09:32 PM

Here is my code. I just wanted to update one column. Why is everything getting NULL put into it?



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Dec 19, 2008 03:36 AM

I want to create dynamic text box and a button.I create it in the page load event.But "Onclick" event of dynamic button didn't fire.How to retrieve value from dynamic text box.

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Retrieve Password In Textbox?

Apr 14, 2009, 04:49

i have a textbox and type set to password

i am able too sae it to databse but not able to retrive it back

i am using datareader. in datareader i get the value but not able to display in textbox

how do i retrive passowrd in textbox

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C# - Retrieve A TextBox From DetailsView?

Nov 9 10 at 10:45

I have a DetailsView Control, inside as a template a TextBox. I need to findout the value for a TextBox when Inserting data Event handler-, _ItemInserting. The script does not work.

<asp:TemplateField HeaderText="Profile" SortExpression="ContentAuthor">
<asp:Label ID="uxContentAuthorDisplayer" runat="server" Text='<%# Bind("ContentAuthor") %>'></asp:Label>
<asp:TextBox ID="uxContentAuthorInput" runat="server" Text='<%# Bind("ContentAuthor") %>'></asp:TextBox>


protected void uxInsertAuthor_ItemInserting(object sender, DetailsViewInsertEventArgs e)
//// Find control on page
TextBox myAuthorProfile = (TextBox)uxInsertAuthorInput.FindControl("uxContentAuthorDisplayer");
// Set a default value in Data Base if field has been left empty (DB field NOT NULL)
if (string.IsNullOrEmpty(myAuthorProfile.Text))
string myAllert = "Field is NULL";
string myAllet = "Field is NOT NULL";

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How To Retrieve Value From Textbox From Javascript

May 5 10 at 9:58

I have an web form with a couple of textbox controls:

<asp:TextBox ID="txtTextBox" runat="server" /> .

I have a javascript file tools.js that are included in the page:

<script src="tools.js" type="text/javascript"></script>

How can I access the value from txtTextBox from javascript?

Ive tried using

document.getElementById('<%= txtTextBox.ClienID %>').value;
document.getElementById('<%= txtTextBox.UniqueID %>').value;
document.getElementById('<%= txtTextBox %>').value;

but none of them works.

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C# - Retrieve Value Of TextBox From Another Class?

Mar 10 at 19:48

I have a C# class from which I would like to access a string contained within a TextBox. The TextBox is defined in a an .ascx file. What headers should I put in the class to be able to access this TextBox string?

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C# - Cannot Retrieve Textbox Text From Code Behind

Oct 29 10 at 15:31

I have a Telerik:RadTextBox control in my markup called txtName. I'm trying to retrieve the inputed value in the code behind with foo = txtName.Text; but var and txtName always show an empty string.


<telerik:RadTextBox ID="txtName" Runat="server" Width="300px" />
campaign.Name = txtName.Text.Trim();

I guess the code couldn't be easier. Basically what's happening is, when I click my 'save' button, there's a postback and the text in the RadTextBox just disappears.

update Found the problem. My web.config file had a different version of the Telerik dll file that was actually in my bin folder.

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How To Detect New Lines In Multilimne Textbox When Retrieve The Value

Jan 28, 2009 10:30 PM

I have multi line text box. As you know this allows for the user to hit the enter key, and this jumps to a new line.

when I do my post back and retreive the text value of the textbox, is it possible to detect how many new lines and where they are?

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How To Retrieve Data From Database With Textbox Input

Dec 06, 2008 04:45 PM

I am an novice and I am trying to get the basic idea on data presentation. I am working in design view because I am not a good programmer yet to work in source view (code behind). My database site contains a TextBox, a Button and a GridView of my Employees database. I want to know how to configure the form so that when I type an employees first and last name in the texbox it will return the entire column of that persons information. Also what parameters should be set for the buttons and the textbox to pull the specific data from the datasource. Below is the codes for the webform:


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How To Retrieve The Value Of A Label/textbox That Has Been Calculated By JQuery

Mar 9 10 at 17:39

I have a GridView with a Label. The value of the Label can be calculated with a
jQuery-Method. When doing this, the (.Net-)server does not realise the change of the label, but works with the old value from the database.I tried several approaches to fix it:a TextBox behaving like a label doesnīt change anything
HiddenField: doesīnt work because it hasīnt a CssClass-property. I cannot raise theID of the HiddenField because I want to put it in the GridView, and donīt know howto get the HiddenField in the jQuery-Method

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Web Forms :: Retrieve Textbox Value In Class File?

Apr 19, 2010 09:36 AM

I am having .aspx page in which there exists one textBox , label and one button. When user enter some name in textbox and then click button. The event handler of button should call function in class file(.cs). The function in .cs should retrieve value of textBox control and set it for label there. And return back.

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Web Forms :: Retrieve Multiple Textbox Value In GridView

Feb 23, 2011 12:09 PM

how to generate the runtime id on text box and ones click on submit how i can pass it and how i can save that text box value in Gridview. i have around 7 textbox in a Gridview Row now clicking on rows set button how i can get that value and save that value in db

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Retrieve The Currently Logged In User Role Name In Textbox Using ?

Dec 14 10 at 7:34

How to retrieve the currently logged in user role name in textbox using ?

iam currently using

TextBox1.Text = Roles.GetRolesForUser(User.Identity.Name)

om page load event but it is highlighted by a blue line in visual studio 2008

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Retrieve TextBox.Values - Where Is The Value Entered In TextBox1?

Dec 18, 2009 02:50 PM

.NET 3.5, C#, webapplication.I've got auto-generated TextBoxes during runtime, which are in a PlaceHolder. The TextBoxes are edited after displaying them within the browser.As soon as a button-click-event occurs, the changed TextBox.Text - values should be retrieved.Since the PlaceHolder1 Element is in the aspx-file and therefore valid for all methods in the code behind cs-file I thought, that the TextBox.Text - values can be retreived in the click-event like

TextBox TextBox2 = PlaceHolder1.FindControl("TextBox1") as TextBox;
JustAString = TextBox2.Text;
(TextBox1 was generated earlier than the click-event within the PlaceHolder1 at runtime.)

But the changed TextBox1.Text before this button-click seems not to be updated within the PlaceHolder1 so after the button-click-event TextBox1.Text is empty, and JustASting of course will be empty too.Where is the value entered in TextBox1.Text and how can I retrieve the value?

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Web Forms :: Finding The Right Textbox In Listview?

Jan 31, 2010 03:57 PM

I built an application where I use the ListView control to display data from my database. The user will be able to see a product image, product name, a dropdown list that contains various sizes of the product, a textbox and a button. All these controls are shown for each product from my database. The user is going to be able to select the size from dd-list and enter how many pieces he wants, and click the button. I wonder if there is someone out there who knows how I can check if the user has typed in the correct textbox. I have been using the findcontrol to find the correct textbox. But it turns out that it is not working properly. I want to verify if the user typed in the corresponding textbox, where he has chosen the size of the dd-Llista.

Here is what a bit of my code looks like now:


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Web Forms :: Retrieve TextBox Text Value In Web User Control

Oct 26, 2006 07:29 AM

I have a TextBox in a web usercontrol, I load the web usercontrol on a panel of the web form.

My goal is to retrieve the value of the textbox after I entered any character on it. I want to transfer the textbox value in a Session.

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Getting JQuery Datepicker To Attach To A TextBox Within A ListView?

Jun 16 10 at 21:16

I am using the jQuery Datepicker without any problem for TextBox controls that are non-templated. However, I am unable to get the datepicker to work with a TextBox that is in an EditItemTemplate of a ListView control. My latest attempt is to get a handle on this textbox by CSS class name "DateControl"?


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Web Forms :: Get The Value User Type In TextBox Of The Listview?

Aug 02, 2010 04:57 AM

I'm now facing a problem with the listview, on my web form, I have a listview with a textbox at the end of each row, a Submit button, I bind my listview datasource to a table in my database via LINQ, (name Daily Money), here I want that when I click on Submit button, I want to retrieve the text that user typed in the textbox of each row, I tried many ways but it just give me an empty string (the value that was bind to the text on pageload) (first I didn't bind anything to the textbox, second I bind it to a column of the table but all failed).

I used item.FindControl, but it didn't work, how can I retrieve the textbox's value that user typed in (using foreach), or a way to update the listview datasource, I want to insert, update those textbox's value to my database,


My ItemTemplate:


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Finding A Textbox Inside InsertItemTemplate In Listview?

Nov 8 10 at 16:34

I have tried this but it does not work:

Dim txt As TextBox = CType(lv2.Items(lv2.SelectedIndex) _
.FindControl("txtCode"), TextBox)

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Mar 26, 2011 03:06 AM

I have a barcode slider which scan student ID CARD. When students scan their Student ID, the barcode reader generate the following:

BARCODE_NUM,LASTNAME, FIRSTNAME. Below is a dummy example when students scan their Student_ID into barcode reader. I get the following data from the barcode reader.

" %C9887688767876^Smith/John^5656656556565?;C9887688767876=3434354450000? " When the user scan their Student ID into TextBox1, i want to only display BARCODE_NUM which is C9887688767876 from the example. Also When the user scan their Student ID into TextBox2 , i want to only display LASTNAME which is Smith from the example. When the user scan their Student ID into TextBox3, i want to only display FIRSTNAME which is John from the example.

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Get Values Of Textbox In Listview And Perform Calculations In Javascript?

Nov 29 10

image of my listview: I want to total every row from my listview tallies total infected people and percentage

CityID | City | Population | Male | Female | Total | Percentage |

Population, male, and female columns are user inputs total column is male+female textbox value per row percentage= (total/population)*100 also per row to calculate total and percentage on every textchange

<asp:ListView ID="ListView1" runat="server">
<table style="border: solid 2px #336699;" cellspacing="0" cellpadding="3" rules="all">
<tr style="background-color: #336699; color: White;">
<asp:PlaceHolder ID="itemPlaceHolder" runat="server" />
<td> <asp:Label ID="lblCtyID" runat="server" Text='<%#&nbsp;Bind("CityID")&nbsp;%>' /> </td>
<td> <asp:Label ID="lblCty" runat="server" Text='<%#&nbsp;Bind("CityName")&nbsp;%>'/> </td>
<td><asp:TextBox ID="txtPopu" runat="server"/></td>............................

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Forms Data Controls :: How To Format A Textbox In Listview

Aug 06, 2010 05:51 PM

i am trying to format my text box which is located in my list view edit mode.

Here is my code:

<td align="right" width="15%" valign="top">

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Press Enter In Textbox When Editing ListView Causes Exception?

Jan 7 10 at 23:59

I used standard drag and drop to put in a ASP ListView with editing enabled. The table is two columns, a GUID primary key, and a text string name. Null is not allowed for either.

When I edit a record (for the name column), I change its value (to a valid value) and press enter, it crashes with a Cannot insert NULL into column named "Name". However, if I do exactly the same, but instead of pressing enter I click update, it works fine.

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How To Retrieve The Two Database Column Values To Textbox As Comma Separated String

Dec 30 10 at 9:23

If i have two textboxes textbox1 & textbox2 and button1 in my ASP.NET and SQL Server database

Database records are:

ID Date Seats
1 15-Dec-2010 1,2
2 15-Dec-2010 3,4
3 17-Dec-2010 1,2,3,4

I want when i type 15-Dec-2010 in TextBox1 and Click on Button1 then in textbox2 The Output would be retrieve from Database using SELECT query then in TextBox2 the output would be displayed as 1,2,3,4

That the exact i want using SELECT query and VB.NET.

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