C# - AutoPostback Not Setting Focus Correctly?
Dec 29, 2010
I have a page that when auto or partial post back happens, focus is set to the address bar rather than the next control. The interesting thing is that when I put an alert in my RadScriptBlock, after the OK is clicked, focus goes to the correct control -or- if I put in an invalid location, focus is returned to the ExpLocation control & when a correct location is input the second time, the tab order/focus command works correctly (see code below).
That has this up top
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Jun 8, 2010
I have an AJAX enabled ASP.Net 3.5 app in which I have:
A Master PageA Web Content PageA User ControlMore precisely, there's a Placeholder control in the Web Content Page into which one of many User Controls are loaded (one at a time or none at all).
The basic User Control I'm working with has a bunch of Labels and one DropDown ListBox. The latter control is a date selector - ie. June 2010, May 2010, April 2010, etc. When the user changes the date, since AutoPostBack = true for the control, a PostBack occurs. But when this happens, the User Control disappears!
All I want is for a partial postback to occur so that I can use the new date to repopulate the various Label controls. I even put the Placerholder control in its own UpdatePanel but this didn't resolve anything - the User Control still disappeared.
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Feb 4, 2010
I have 5 textboxes in aspx page, and their AutoPostBack property is True. When I write something to first textbox and press tab key to write something to second textbox, the second textbox don't be focused. I have to select second textbox with mouse to write something it. I want to focus the second textbox by pressing tab key after write something to first textbox. HOW Can I do this?
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Feb 23, 2011
I have a webform that the user inputs a date via a javascript popup calander, then it auto populates a textbox with 45 days after the inputed date.
My question is is there a way to have a postback once the input date loses focus. Here is my page.
ASPX
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C#
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Oct 29, 2010
I have a form with several textboxes. All of these have AutoPostBack="True".
My problem is that the focus disappears to goodness knows where after each postback. The behaviour I would like to enforce is as follows,
If the user hits the Enter or Tab key after filling in a textbox then the focus should go to the next field on the form (to be explicitly specified in my code).
If the user clicks on textbox X after filling in textbox A then the focus should go to textbox X after postback, even if it is not the next in the list.
In other words, I want the form to behave in the way that most users would intuitively expect.
I have Googled for potential solutions to the loss of focus after postback but the few that I have found were many years old and I am unsure that the advice is still relevant for ASP.NET 4.0. Some of these old solutions also appeared to be invalid for browsers other than IE. What is the current best practice for handling this issue?
BTW, VB.NET solutions are preferred though I will also be happy to accept C# suggestions (which I would run through a code converter). Note that I have a single sub in my code for handling the TextChanged events for all my textboxes. This means that I have to use the following code to work with the textbox that has called the sub.
Dim CurrentTextBox
As
TextBox =
DirectCast(sender,
TextBox)
If addressing the focus problem means that I have to have individual TextChanged event subs for each textbox then so be it, but I prefer the simplicity of my current single sub approach.
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Feb 16, 2010
I have a Gridview that provides the user the student name for a particular class, a dropdown list to enter grades. If a grade of 'U' is given, a textbox appears in which the last day of attendance must be listed.
It works... though not as conviently as it could; the faculty would like to be able to tab from one dropdownlist to next in succession.
On each ddlGrades changes I write the value to the database and if a 'U' was chosen, display the textBox... but I can't figure how to set focus on the next ddlGrades control, or even the same ddlGrades control that initiated the postbock.
Below is my simplified .aspx followed by the codebehind
[Code]....
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Jun 30, 2010
Can anyone give me some VB to set focus to a control using the "FindControl" method. MyTextbox.focus() is not good enough because, for instance, I have a textbox called "Username" in the "CreateNewUserWizard" control which is within a Contentplaceholder on a child page so typing in "Username.focus()" does not work on the Page_Load event because Username simply does not have a Focus property.
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Oct 21, 2010
using vb.net/asp.net 2005 after the user clicks on a button in the buttonClick event I am trying to set the focus at the end of the function simply as follows:
[Code]....
However the focus is instead going to another button. The tabIndex property is not set on any controls on the page.
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Apr 19, 2010
I use a modalpopupextender to show a popup when the user clicks on a button.
<ajaxToolkit:ModalPopupExtender ID="mpe1" runat="server" TargetControlID="statusInfoLb" PopupControlID="statusInfoPanel" DropShadow="false"
OkControlID="okBtn" OnOkScript="onOk()">
</ajaxToolkit:ModalPopupExtender>
<asp:Panel ID="statusInfoPanel" runat="server" Height="185px" Width="454px" SkinID="Panel_Notification2" DefaultButton="okBtn">
The panel has an OK-Button to dispose the popup. It is also possible to click Return to dispose the popup, because the panel has the property DefaultButton="okBtn".
But this only works when the popup has the focus, which is not so from the start. How do I get the popup panel to have the focus when it shows? I would like to use jQuery.
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Jun 24, 2010
I am not sure how to explain my current issue. Right now I have a Form that spans a couple of pages. I have divided the Form into multiple section as well including a File Upload section, a File Download section, and have an 'Update' button at the bottom of the Form. I also have Error labels within each section, and have an Error label at the bottom of the Form under the 'Update' button.The problem that I am experiencing right now is that when I produce one of these errors, the Form automatically displays the very top of the page. So in other words, if the error message is displayed at the bottom of the Form, the user has no idea unless they scroll all the way down.Is there anyway to keep the application focus at the area where the button is clicked on? This way if the user produces an error, they will see it right away.
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Nov 4, 2010
Is it possible with easy options in ASP.NET to set the focus at end of text in a textbox-element ? Without JavaScript ?
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Jan 11, 2011
In my markup, in addition to a number of other controls I have the following:
<%:Html.TextBoxFor( m => m.UserName)%>
I'd like to be able to set the focus to this textbox when the page is loaded. Is there a really easy way to do this? I have to admit that so far I haven't found it. I know that I can do this using something like this JQuery/Javascript code: $('#UserName').focus();
However, I don't like the fact that the model field name 'UserName' has to be expressed as a string constant again here - it smells of a maintenance problem. I'd really like to be able to reference the model field directly if possible. Somethiing like this: $('#' + '<%:Html.ModelFieldNameFor(m => m.UserName)%>').focus();
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Jan 11, 2010
I have wierd situation on my side. I have a page that uses a user control driven by ajax. When I enter a code in txtbox. Corresponding questions for that code are brought into the middle section of page basically in user control. I have requirement of setting the focus on the controls so that I can tabout the field with feel of questions being a part of same page.
I have to manually set the focus for the first question and after going thru all the questions I get control lost. Basically it dont come back to the actual page. I have tried to manually put the focus on the button but I couldnt.
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May 11, 2010
I have a panel which contains a textbox and a button. The panel will be shown as a modal popup using the 'modal popup extender' . I want to set the focus to the textbox in the panel when my modal pop up loads .
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Jun 16, 2010
I have an autocomplete extender on my page and it works fine. However as soon as I set focus of its textbox via either straight javascript or codebehind the autocompleteextender no longer works.
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Feb 24, 2011
We have an ASP.NET MVC application which uses lot of JQueries. One of them I found is following:
function (data)
{
updatePoints(function ()
{
$('#point-list>li').last().click();
});
});
This sets the focus to the last point in my list but I think its not good idea because when I click save button to update my intermediate point, it automatically set the focus to last point. I want it to stay on the same point after refresh. Is it possible to do? Is there any property like Current()?
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Aug 5, 2010
i have calendar extender that has targetcontrol property set to a textbox and i want the focus to be on that textbox after the user select a date , i have tried with this OnClientDateSelectionChanged = "SetControlFocus();" in which SetControlFocus is a javascript function that set the focus to the textbox with this line document.getElementById('txtbox').focus(); but it didn't work!
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Jun 19, 2013
I have Web App. in that One note control and one textbox,when I run the app then cursor focus the note but I want to focus on textbox,I have use Focus property but their is no work
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Jun 15, 2010
I am trying to set the focus to the user name TextBox which is inside an ASP.NET Login control.
I have tried to do this a couple of ways but none seem to be working. The page is loading but not going to the control.
Here is the code I've tried.
SetFocus(this.loginForm.FindControl("UserName"));
And
TextBox tbox = (TextBox)this.loginForm.FindControl("UserName");
if (tbox != null)
{
tbox.Focus();
} // if
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May 6, 2010
I have been browing forums & googling for a couple of hours this morning, trying to find an answer to what (to me) should be a very simple issue. (I am a Delphi programmer moving somewhat reluctantly to Visual Studio C# , for web apps) I have created the simplest ASP.NET website in Visual Studio, containing a Textbox and a Button. When the website loads, I want Textbox1 to have focus. Simply doing
[Code]....
and this too does not work. However, if I press the Enter key when the webpage is displayed, then focus does move to TextBox1 (and pressing Enter again will fire any code attached to Button1). Surely it cannot be this hard to perform something so simple?
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Feb 1, 2011
I used Ajax collapsible extenders (1 to 9) with formviews in each of them on a web form.
They are all collapsed by default. If the user enters data in collapsible 5 formview and submits data, the page refreshes back to the top of the page (where the collapsible 1 is positioned). I would like the focus to stay in the region the user is working (even after insert/submit operations). How can I do this.
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Apr 15, 2010
I want the cursor to appear on the first text box in my screen when user goes to the site I have coded this but no cursor is placed in textbox
<form id="Form1" defaultfocus="TextboxTelephone" method="post" runat="server">
I have to tab to get cursor in first textbox telephone.
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Feb 22, 2011
I have figured out a method for displaying a modal popup using the ACT ModalPopupExtender from the server side.This is really important because there is a fair amount of server side initialization that I require prior to showing the dialog.
Basically, I assign a dummybutton as the TargetControlID. Then I define a link button such that when clicked it fires an OnClick event. The handler then does whatever initialization is necessary and uses the show() method of the ModalPopupExtender. This is not rocket science. However, what appears to be rocket science is getting a control within the MPE to get the cursor focus. The problem as I see it is that because I am manually showing the dialog, the JS add_shown function never fires. Of course the add_shown function is attached through JS by using the behavior ID of the MPE. It appears to be the standard way to set focus within a MPE dialog. It appears to only work if the targetcontrolid is a real button that shows the MPE dialog when clicked.
Is it possible to set the focus within a MPE dialog when you are programatically showing the dialog and not attaching a real button press event to the MPE Target Control ID? Obviously the Page.SetFocus or Control.Focus() do not work either before or after the modal dialog is shown:
protected void SignIn_Click(object sender, EventArgs e)
{
Session["InTimeOut"] = true;
Session["logintries"] = 0;
SI_user_login_id.Focus(); /// ---> This does not set the focus either before or after the show method
this.ModalSignOn.Show();
}
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Nov 9, 2010
I'm having a bit of an issue in my ASP.Net application moving focus from a textbox in one user control to a text box in the next user control on the page after postback. I've searched high and low over the last several days to find a solution but, for whatever reason, have been unable to do so.
I have a page that has user controls loaded dynamically to allow a user to enter data.The number and type of user controls loaded to the page is determined at run time based on a database query.It is possible than many controls of the same type can be loaded. Each user control has its own update panel. Within the update panel of each control is a regular asp panel. Inside of the regular panel there are at least 2 server controls (any other controls that may exist in the user control are not affected by this issue) - a text box and a button.The defaultbutton property of the regular panel is set to the ID of the button within the user control. The desired behavior is to allow the user to enter data into the textbox on one user control hit enter to save the data on that user control the application will set focus to the textbox of the next user control on the page after the data from the "current" user control has been saved. Other considerations;
The application uses master pages. We make extensive use of ajax and the ajaxtoolkit in the application. I am using Visual Studio 2010 and .Net 4 The issue - when first entering the page, one can enter data into the first textbox and press the enter key. Data from "current" user control is correctly saved and focus is correctly moved to the next user control on the page.
Data can be entered into the textbox of "new" user control and when the enter key is pressed, the data is correctly save. The focus appears to move correctly to the next user control on the page.Data cannot be entered into the textbox of the control. Pressing the enter key will not save the data (because none was entered) but the focus will move to the textbox of the next user control on the page.
Data can be entered into the textbox of the user control. When the enter key is pressed, the data is correctly saved and the focus appears to move correctly to the textbox of the next control on the pageBasically, steps 3 and 4 are repeated until the end of the user controls on the page, alternating between being able to enter data and not. Other items of note When one is able to enter data into the textbox of a user control, one can correctly tab through the textboxes of each user control until the end of the page When one is not able to enter data into the textbox of a user control, pressing the tab key will take the focus to the address bar of the browser.
I created a much simplified example of the scenario described above and was able to consistently reproduce the "bad" focus behavior. All of the ajax toolkit controls and code where stripped out of the sample to rule the toolkit out as a cause. The behavior still occurs without the toolkit.
I am including the code for default.aspx and WebUserControl1.ascx.
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Feb 23, 2010
In set the Send button as default button in my page. In the button click event I try to set the focus to the TextBox. When clicking the button the event work fine but While clicking the enter button I cant input text to TextBox.
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