C# - How To Make Combobox Always On Top Properites

Aug 17, 2010

haw to make combobox always on top properites on vs 2008 c# .

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How To Make A Validation If User Dont Select Data From The Combobox After Selecting A Button

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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Web Forms :: How To Set Properites Of Child Controls

Nov 11, 2010

Is it possible to someshow select "child" controls of an <asp:Table> control so that I can view and set properties of the "child" control while in designer view? Its a real pain to have to edit properties of a child control in the source view. What I ultimately seem to end up doing is having to place or move any controls inside an asp:Table that I want to set properties on to the "outside" of the table and set all the properties on the control. After all the properties are on set on the control, using the designer,I can move it back inside the asp:Table. This is not the most troublesome of options but it would be nice if you could somehow set the properties of child controls using the designer.

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How To Query Navigation Properites Using Linq To Sql And Ef

Oct 4, 2010

I am trying to strongly type a query for 3 ef objects using linq to sql. There are one-to-many relationships with product and category. My classes contain navigation properties and look like this.

public partial class Product


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Web Forms :: How To Edit Html Elements And Properites From Code Behind

Apr 8, 2010

first iam new here, and i have a little bit problems which i couldnt solve myself and i wish you will be my answer. ok so in my web i am using a master page and i want from another page to change the li html's elements on all its properties. how can i do that?

<ul runat="server">
<li><a href="Main.aspx">Home</a></li>
<li><a href="#">Products</a></li>
<li><a href="#" runat="server" onserverclick="Button1_Click" id="A1">Support</a></li>
<li><a href="frmGlobalLogin.aspx">Login</a></li>
<li><a href="#">Contact</a>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Logout" Visible="False" /></li>

this what i have right now.

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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 / When leave 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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AJAX :: Making Custom Accordion / Just Make A Button That Would Hide First Pane But Cant Get To Make It Work?

Sep 3, 2010

I would like to make a custom accordion, in which I have 2 panes, but where you couldn't open the second one until you clicked a validation button in the first one that would open the second...

I tried to just make a button that would hide the first pane but I cant get to make it work.



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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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Use Window Combobox In C#

Jan 30, 2011

I need to use window combobox in asp.net c#

how can i use effectively.

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C# - How To Make The Content Of The Popup Make A PostBack Only When It's Appeared

Jan 29, 2011

I have a user control is shown through a SimpleModal popup (JQuery), this user control gets some data from database and displays them (the details of a record).

The problem is that this user control makes a round-trip to gets the data every PostBack for the parent page even it's hidden.

I wonder if I could make it gets its data only if the popup is appeared.

I tried to put it inside a Panel with false for Visible property and change it to true when I open the popup, but it stil call Page_Load which gets the data from database!

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C# - Combobox First Values Should Be Null?

Aug 2, 2010

Using Combobox in my webpage, in a combobox i want to display a null values first, then it should display all values..

Combobox.item = null values
combobox.item = 1
Combobox.item = 2
cmd = new OdbcCommand("Select vehicleno as vehicleno from tb_car", con);
ada = new OdbcDataAdapter(cmd);
cmbvnoview.DataValueField = "vehicleno";
cmbvnoview.DataSource = data1;

Above code is working, but is displaying all the values, first it should display a null value, then it should display all the values.

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C# - How To Bind Combobox From Database

Feb 15, 2011

I am developing a web application with Ext.Net.

How can I bind combobox from database?

This is my query:dynamic getRegions = (
from region in db.Regions
orderby region.RgnName
select region.RgnName);

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C# - How To Add A ComboBox To An Asp.net Unbound GridView

Sep 10, 2010

how I can add a ComboBox column to an unbound GridView through code at runtime.

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Web Forms :: Get Valuefield From A Combobox?

Dec 10, 2010

how can i get valuefield from a combobox?

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C# - Retaining ComboBox Within Grid

Nov 29, 2010

I have a comboBox within a grid. Basically to get it I have to use findcontrol. I am thinking of another option however. Within the init method I was planning on getting the value and storing it to a private static field:

private static RadComboBox theComboBox

Is it unwise to be storing a relatively complex object like this in a static field?

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AJAX :: CSS With ControlToolkit:ComboBox

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


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How To Put A Combobox In Every Column In The First Row Of My Datagridview

Mar 25, 2010

I need to put a combobox in every column in the first row of my datagridview. It has already been filled with a dataset.

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C# - Cannot Select The ComboBox Item

Sep 14, 2010

I have two Comboboxes where the second one is dependent upon the first one.

When the SelectedIndexChanged event of the first Combobox fires then the second Combobox will be enabled.

After the event, the second Combobox is enabled but I cannot select the ComboBox item.


I use Dev express Tools

First Combo I load in Page_Load Event

I use Server Side code:

protected void ASPxComboModule_SelectedIndexChanged(object sender, EventArgs e)

There is no problem in loading, but I'm unable to select 2nd combo item.

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Want To Create A Dll For Ajax ComboBox

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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C# - Fill The Table Value In Combobox?

Jun 29, 2010

Using VS2005 with C#

I want to fill the combobox by using the table value.

OdbcConnection con = new OdbcConnection();
OdbcCommand cmd;
con.ConnectionString = "";
cmd = new OdbcCommand("Select no from table", con);
ada = new OdbcDataAdapter(cmd);
ds = new DataSet();

But no values was loading in the combobox, what wrong with my above mentioned code.

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MVC :: Replacing TextBox With Combobox?

Feb 21, 2011

I am still learning and improving myself in ASP.NET MVC.I have partial view with following lines to get a input from users for Category field. It is working absolutely fine.

<%: Html.LabelFor(model => model.Category) %>
<%: Html.TextBoxFor(model => model.Category) %>

I want to replace this with set of values in Combobox and allow user to select any one of them.Could anyone please tell me how could I achieve it.

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