Web Forms :: Get Valuefield From A Combobox?

Dec 10, 2010

how can i get valuefield from a combobox?

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Forms Data Controls :: Insert Valuefield And Textfield In A Combobox?

Dec 10, 2010

how can i insert valuefield and textfield in a combobox

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AJAX :: Control Toolkit ComboBox SelectedValue / Does The Combobox Has As A Disadvantage That The Text Has To Be Unique

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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AJAX :: ComboBox Input / Whenleave The Combobox It Adds To The Combox List?

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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VS 2010 - When Selecting Default Option For Combobox 1 / Second Combobox Is Disabled

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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Ajax Combobox Not Firing Event When Combobox Is Empty

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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VS 2015 - ComboBox Click To Refresh Another ComboBox

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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Web Forms :: How To Use Combobox

Mar 8, 2011

i want to know how to use the combobox in asp.net web form. in this combobox i need that it can work as a textbox as well as dropdownlist. In this i want that user can enter their destination as there choise and in the dropdownlist we can give some imp. destinations. How can i use these two in a single one..

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Web Forms :: Keypress Event For A Combobox?

Jan 7, 2011

I have a combobox control on my asp.net page and I have created a keypress event for it, however I am unable to wire it up when I go to my properties box. In the events in propertie there is no section listed for key stoke events?I thought that combobox controls can have keypress events.Currently when a user selects the combobox they see a list of batch numbers, they can also type in a batch number which searches the list and brings back a match. I also want the user to be able to type in a number that is not in the list and press enter, which will then bring back the results for that batch number. There is already a SelectedIndexChanged event wired up but I cannot seem to wire up a keypress event for when the user presses the 'enter' key.

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Web Forms :: Add A New Combobox To Select Another Customer And Repeat As Necessary

Mar 4, 2011

I have a table to store customers information.

<asp:ComboBox ID="cboCustomers" runat="server"
<asp:Button ID="btnAdd" runat="server" Text="Add Combobox" OnClick="btnAdd_Click"/>

What i'm trying to do is, add a new combobox to select another customer and repeat this as necessary, 2, 3 or more.

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Web Forms :: Insert Initial Value In Combobox By Default?

Jan 27, 2011

insert initial value in combobox by default? For example: "Select Country"

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Web Forms :: How To Sort The Names In Combobox Alphabetically

Feb 1, 2011

How to sort the names in combobox alphabetically?

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Web Forms :: Bind The Date To Combobox In Vs2008?

Mar 26, 2010

am using combobox in vs 2008 i want to databind to that combobox from database...tables..

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Web Forms :: Disable Items For A Combobox With Javascript?

Apr 9, 2010

I've a problem with a master page and combobox items.

I would like to disable certains items on my combo box depends the contex.

I use the disable attributes but doesn't work correctly.

I would like to make with javascript.

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Web Forms :: Add Items To Combobox From Popup Window?

Dec 27, 2010

I've a webform that has a formview in insertmode that among others has a combobox with a datasource. The problem is that user needs to have a way to add new items to combobox directly rather than having to go to mainteinance webform that deals with the info related with the table that feeds combobox. So I thought that I should have an update panel and put the combobox in there together with a button to open a popup window to add the new record, close when done and update combobox with newly added item.

In theory that's what I want. What I require are examples of how to do that in the best way. I thought first of using javascript but how do I know when the popup window was closed? how to trigger update panel?

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Web Forms :: Difference Between DropDownList / ComboBox And ListBox

May 7, 2015

What is the difference between DropDownlist, ComboBox and ListBox? 

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Web Forms :: Clear Text In Ajax ComboBox Or DropDownList?

Jan 27, 2011

When the WebPage loads i would like for the Text to be cleared in Ajax ComboBox and/or DropDownList. However Setting the text to nothing or null doesn't seem to work. So I did some searching and found this...


Is there another way to clear the text other then adding a null item to the list? I don't really want the user to have a selection of "null", this seems like a hack job.

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Forms Data Controls :: Binding Value To Combobox Or Dropdown?

Aug 26, 2010

How can we bind a value to a combobox or dropdown? What is the property for binding a value?

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Forms Data Controls :: DetailsView + Combobox (Ajax)?

Jul 5, 2010

I have the following setup:

1. A Gridview presenting data

2. A detailsView used to edit data in the gridview (used with a modelpopup extender).

In using the detailsview to add a new record, one of the data feilds should be selectable whilst also allowing the user to add to the list . Initially I implemented a DropDownList which works fine but doesn't allow adding entries. I tried replacing the DropDownList
with an Ajax ComboBox however the control doesnt seem to work as advertised. I have performed a quick search on the web and have found others reporting this issue (Ajax combobox in a detailsview) but no solutions.

What would be a way of presenting to a user in a detailsview a range of values to select from whilst allowing them to add to that list?

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Forms Data Controls :: ComboBox Width Overflow?

Nov 19, 2010

Im using a combobox that seems to be wider than it should be. Does anyone have a suggestion or fix for the problem.

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Forms Data Controls :: Way To Send Null Parameter From Combobox Tp SP

Jan 5, 2010

HiI am trying to send null value from my combobox and check it if its null in sp.

SET @Param1=@Param1
SET @Param1=' IS NULL'
mmsDataContext mms = new mmsDataContext();
RadGrid1.DataSource = mms.SON(Country.SelectedItem.Value);

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Forms Data Controls :: Checkbox Datagrid And Combobox Selection?

Jan 5, 2011


how to proceed ?? in this case ??

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Web Forms :: Developed An Error In A Web Application That Uses The Progstudios.webcontrols.combobox?

Mar 23, 2010

I have developed an error in a web application that uses the progstudios.webcontrols.combobox (asp.net 1.1) The strange thin is that I have at least 20 back up copies of the same application taken over the years and they all now give the same error, so I can rule out an accidental code change.The error is -

Overload resolution failed because no accessible 'LoadListControl' can be called with these arguments:
'Public Shared Overloads Sub LoadListControl(ddl As ProgStudios.WebControls.ComboBox, ddlSource As Object)': Value of type 'ProgStudios.WebControls.ComboBox' cannot be converted to 'ProgStudios.WebControls.ComboBox'.
'Public Shared Overloads Sub LoadListControl(ddl As System.Web.UI.WebControls.ListControl, ddlSource As Object)': Value of type 'ProgStudios.WebControls.ComboBox' cannot be converted to 'System.Web.UI.WebControls.ListControl'.


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Web Forms :: Bootstrap Combobox DropDownList MultiSelect With Filter Option

Mar 26, 2016

It’s good Filter and Search ASP.Net DropDownList items using JavaScript.Here used two components textbox and dropdownlist. I want use search only in dropdownlist whithout textbox.

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Web Forms :: How To Refresh ComboBox Values From Database In Windows Forms Application

Jun 16, 2013

I do have combo box on my page where the items are retrieved from database.

I have an link label which leads to new form to add value for corresponding column in database.

After add the value, when i click refresh on my current page, the values in combo box must be updated. 

 I have used this

 private void button3_Click(object sender, EventArgs e)

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