AJAX :: Getting User Input From A ComboBox?
Sep 9, 2010
What is the most reliable way to get the current user input from a ComboBox? I've noticed that SelectedItem.Text, SelectedValue, and Text all contain the wrong result when the user deletes everything in the box and then immediately does something to cause a postback without clicking outside the box first (e.g. the user presses Backspace to delete the current contents and then presses a Submit button without clicking on anything else in the form first).
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Mar 4, 2010
Having an issue with the combobox overwriting the user input if there is a partial match.
[Code]....
If there is a record such as "NETEX" and the user types in "New Item", an item not in the data source, then the value is "NEw Item". If the user goes back to change the "E" to "e", it replaces the entire line with "NETEX".
Using CaseSensitive="true" is not an option as the user would have to capiltalize the beginning of every input to get hits, allowing for case-sensitive duplicates.
Have tried DropDownStyle="Simple" and all flavors of AutoCompleteMode to no success.
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Dec 3, 2010
I'm try to add a combobox to my form which i have done and populate it with the infomation i need but i want to stop the user from being able to edit the first 5 character in the textbox part of the combo box( 1 is this possible 2 am i going about it in the right way).
I have 3 columns fro a db to enter ips ie 123.456.7.89 at the start if each number i want (SE1)(SE2)(SE3) which i can do at the momment . So I get in the combobox list 3 items with (SE1)123.456.7.89 OR just (SE1) depending of i a result is returned from the DB. However i don't want the user to be able to edit out the (SE?) part of the sting in the textbox. When editing i've tried used the text change event to try and capture the change and make sure the string.length > 5 , but the event does not fire also when i leave the combobox it it adds to the combox list. If I refersh it goes back to how it should be with only the 3 items.
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Apr 28, 2010
I have the following items bound to my combobox:
Value: 1, Text: SNS
Value: 2, Text: ING
Value: 3, Text: ING
Choosing value 1 results in a SelectedValue of 1
Choosing value 2 results in a SelectedValue of 2
Choosing value 3 results in a SelectedValue of 2
does the combobox has as a disadvantage that the Text has to be unique?
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Aug 26, 2010
I have added a combobox to my page. Listview is updated based on selection from combobox. It is working great except it does not fire when Enter is pressed. User has to click on option from dropdown or has to press tab key to have Listview to populate. I want the user to be able type use arrow key to select option and then press the enter key for event to fire.
Using .net 3.5 and c#
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Jan 3, 2011
in aspx i written as follows
<ajaxToolkit:ComboBox ID="cmbAddressAlias" runat="server" DropDownStyle="Simple" AutoCompleteMode="Suggest" CaseSensitive="false" AutoPostBack="true" RenderMode="Inline" Width="170px" CssClass="cmbProvince" OnSelectedIndexChanged="cmbAddressAlias_SelectedIndexChanged"> </ajaxToolkit:ComboBox>
it binding correctly(datasource dynamically binded) and it raises event too while changing index but it is not raising event when we manually clearing the combobox text..if currently combobox having text "ASP" then i manually select that entire text and using del key i am deleting but it is not raising event for me.. when i change index it automatically raising event...i need to raise event while combobox is empty...
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May 19, 2010
I have a page with one button. When the button is clicked, a ModalPopupExtender is open, and data is populated from database and displayed in the popup box. The data retrieved is bound to dynamically generated CheckBoxLists, one CheckBoxList for each category (there maybe 3, maybe 5 CheckBoxLists, depending on the categories). I need take down whatever the user checked on those CheckBoxLists from the popup window. But I got no way to find those checked items. Any button in the popup window dose only one thing: closes the window. No matter what I code under this button, is not executed.
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Panel ID="popupPanel" runat="server" CssClass="register" >
<br />
[Code]....
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May 27, 2010
how can i generate rtf file based on input field(textbox input by user) c#
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Aug 4, 2010
I would like to program an Input Box that comes up when a user clicks 'Find' button. It asks 'Please enter an employee number'. Then it takes the employee number typed into a text box and searches a dataset for that specific employee record.
I know that it should be server side because the client may not have the proper javascript installed or diabled. Therefore, can someone give me some code to put in code behind that can pop up an input box and use the input after, if this can be done?
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Aug 25, 2010
I am retrieving list of projects and project IDs using autocompleteextender. Is it possible to restrict the user to type further if the input doesn't retrieve any value from database. Though, I have found a solution by calling function through OnClientPopulated. But this function calls back the webservice "GetCompletionList" method. I don't want to recall one method two times. is there any other way?
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May 4, 2010
want animation that whenever user input data in form and click on submit then there play animation please wait
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Jan 31, 2011
I need to filter user input into a textbox - as the user inputs the text (as opposed to examining the textbox on the textchanged event) The FilteredTextboxExtender does the trick, but there is a catch. I want to add formatting (currency) AFTER all of the input is collected in the textbox. The "FilteredTextboxExtender " prevents this from happening. This extender does have a property "Filtermode" which can be set to either "ValidChars" or "InvalidChars" at design time, but I do not know if it can be set at runtime.
Any solutions would be most appreciated. I am also open to other solutions to the problem - which is : do not allow chars other than numeric into the textbox, until the textbox has lost focus, at which time, currency formatting is to be applied.
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Apr 13, 2010
In a form control i have a listview and some textboxes and comboboxes.
When a list item is selected i add the data to the textboxes so the user can change them. non of it is databound. all the changes are made in the code.
I wanted to know the best way to find out if i the checkbox_SelectedIndexChanged event was triggered by the code behind or the user. is this possible through either the sender object or EventArgs. i didnt want to have to set bool values or something like that every time i change the values from the code. prefer a solution where i only have to add code to the checkbox_SelectedIndexChanged() method.
NB: the initial use for this is just to enable a save and cancel button (without having to remeber and compare values). There will be other uses for this later on as well.
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Jun 13, 2012
I have a problem with CascadingDropDown... I have two related comboboxes, where the second is a slave of the first (e.g. country the first, cities the second). What I want is that if I select one country from combobox 1 then the second must be "filtered" by that selection (it should display all the cities inside the selected country, and the actual CascadingDropDown implementation is OK), but if I leave the combobox 1 in the default option (e.g. "Please select a country") I want the second to display all the cities I have in the database. The problem is that when selecting default option for combobox 1 the second combobox is disabled and a postback to my webservice never occurs.
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Apr 27, 2016
Create a class Employee which will implement the below interface: IEmployee. The application should accept the function to invoke and its parameters from the console in the Format:
[MethodName]:[Parameter1]:[Parameter2]
Ex: SetProperty:Age:44
The implemetation shold have the necessary checks on whether the input is in correct format by handling like FormatException.And the program should be able to continuously accept the input and print corresponding output until the input given as "Exit".
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication1
[CODE]..
Issue: I am unable take the user input in the corresponding format.in the above code everytime I have to give the user input in the format "Set:Age:33" but this is not I m looking for .Actually firstly the expected input and output should be given in the format as per the screenshot I have attached.
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Mar 28, 2011
I have a user control (ascx file) that contains an interface for users to change the data retrieved from the db. So, I am displaying data and most of this data can be edited by the user. When the user enters text into a textbox, and clicks "Save Changes", the value they typed in is lost and not persisted to the database. I realize now this is because the SaveChanges button does a postback, and the user control gets reloaded with its original valuesbefore the code within my SaveChanges button gets executed. I'm not sure if there are properties I need to set to save the input data, or if I need to write my own code to do it. What is the generally accepted method to do this? (Also, all of the controls in the ascx file are wrapped in an Update Panel.)
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Sep 26, 2010
Is there a way to programmatically select the entire string of the selected item in the AJAX Combobox?What I'm trying to do is bascially on a State/City selection.
1. User selects a State from the first combobox. This triggers the City combobox to be populated. The item(0) is "Select One:".
2. I want the entire "Select One:" to be hightlight as if the user had used their mouse and highlighted all the text.
The reason for this that I'd like the user to be able to start typing the city without needing to clear out the "Select One:" manually.
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Jun 10, 2010
The Problem:The user entered value is missing in the .Text attribute of the AjaxControlToolkit ComboBox when the enter key pressed. Also the "on change" events events are not called but I am not using postbacks anyway so I do not care.
Example: private void BuildFileListDetails(NHibernateDataProvider _providerM)
{
int resultsPage = Convert.ToInt32(ddlNavPageNumber.Text);[code].....
My Solution:I needed to access the AjaxToolkit "ComboBox" imbedded TextBox control's .Text to access the value entered by user.
private void BuildFileListDetails(NHibernateDataProvider _providerM)
{
int resultsPage = Convert.ToInt32(ddlNavPageNumber.Text);[code]......
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May 12, 2010
for example, the following url is generated
[URL]
based on the title: How to Install a Copy of Windows XP on a MacBook With Boot Camp.
Is there any .NET code generating the user friendly url out of user input?
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Jan 19, 2016
How do you refresh a combo box from clicking on something from another Combobox (using Visual Basic).
I don't want to use a button for this as i know it works that way by using .Databind() on the other combobox.
In access it is so easy by using the click event on a combo box but visual studio does not seem to use it.
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Aug 6, 2010
How can I make a validation if user dont select data from the combobox after selecting a button then error will be on label.text?
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Dec 29, 2010
I was trying to use CssClass="WindowsStyle" with the following CSS. Its working fine if WindowsXP theme is selected but when the theme is changed it looks odd (different from other controls).
I wish to have the ComboBox similar to the style used by other controls. Please give me the solution for this issue.
I understand the issue is with the button(background-image: url(../images/windows-arrow.gif);) but what could be the alternate solution?CSS used
[Code]....
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Jan 17, 2010
I am using ASP.NET 2.0
I want to create a dll Only for Ajax ComboBox. I mean I want when I add this dll in toolbax, I able to drag Ajax Combo Box control on web form.Ajax provided source code & JavaScript files for ComboBox but how I can Create a dll from this.
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May 11, 2010
I have been trying to figure out how to Clear out the contents of a combobox; both the dropdown list and the textbox. Currently I have
combobox1.Items.Clear()
combobox1.ClearSelection()
this is clearing out the listbox, but if something was in the Textbox it remains. If I add
Combobox.Text=""
then I get "Combobox has a SelectedValue which is invalid because it does not exist in the list of items."
I've tried several other combinations, none of which worked. how to clear out textbox portion of the combobox?
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Jan 10, 2014
i have a combobox in form but it is not showing in ie only text box is there .
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