Web Forms :: Adding List Items To Drop Down Control From Generic List?

Feb 6, 2010

I have the following Students class:


I need the 1 since it's a foreign key in another table. For the life of me, I can't get this to work like this.

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Drop Down List Has A SelectedValue Which Is Invalid Because It Does Not Exist In The List Of Items

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I am getting this error yet I know it to be untrue.This is the code:

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I have a webpart which contains a dropdownlist in the Webpaart property and its working fine. The code is below.

public enum ItemCount
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Web Forms :: Adding Two Ranges With Range Number To Drop Down List?

Mar 22, 2011

I am getting Range1 and Range2 from database. Dataset is like below.

Range1 Range2

AB100 XY200

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I have a drop down list that has the initials of about 12 of our sales guys.How can I make it so that when they select their initials from the list, the next drop down list only shows their customers.In my database there is a column for customer name and salesman.

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I have two lists:

List<string> _list1;
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I want to develop a web form where I have a list of elements, so I want to drag a single document into an image (ex. trashcan icon, favorites icon, news icon, etc).

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C# - Adding Two Ranges With Range Number To Drop Down List?

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Adding Data From More Than Two Columns In Drop Down List (not Concatenating Them)?

Jun 22, 2010

adding data from more than one columns of a table in drop down list but not concatening them.

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I have drop down list box that I would like to show two columns, is this possible? Or can it be done with a list box?The query correctly retrieves all of the table data to be displayed, one colum is an abbreviation, the other a bit longer description.

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if i create a html ul. and wanted to dynamically add list items to this list.

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<ul id="test" runat="server">

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Adding A Drop Down List On The Master Page And Filling It With Data?

Apr 16, 2010

i'm having this issue, in ASP.NET MVC 2 where I'm adding a drop down list on the master page and filling it with data from an abstract master controller. When an option is selected an submit button clicked, it reroutes you to a new page. so lets say

the page lives on http://domain.com/landingPage i'm on: http://domain.com/landingPage i select option and submit takes me to

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<form method="get" action="landingPage/Projects/FramedPage">
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May 27, 2010

I have a situation where I want to show the selected records out of total records for a product of an employee

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3) For this purpose I have another list of <List> selected items returned by data access layer (For selected items for that employee )

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Sep 20, 2010

I have a dropdown list inside gridview which has a object data source and I am adding the list items as true, false which stores in the database table as a bit value. Even if i am addin the values 1 and 0 to the drop down list, its throwing the below error'grdDebug' has a SelectedValue which is invalid because it does not exist in the list of items.Parameter name: value My code to add the dropdownlist with list items are as below

<asp:TemplateField HeaderText="Debug">
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Is there an easy way to add image to the drop down list that is build into the report viewer export list?

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Web Forms :: Drop Down List, User Control, Getting Value Of DDL?

Nov 17, 2010

As the tree said to the lumberjack, "I'm stumped". I've been doing .net for years, and my brain is in vapor lock...Very simple here.. I have a user control which has a dropdown list, and a button on it. The DDL is databound. When the button is clicked, I want to retrieve the value of the dropdownlist. I check to see if the page is a postback and if not, I bind the DDL.I put my user control on my master page.When the button is clicked, the value of the dropdown is not obtainable. The selectedvalue is empty. I figure this has something to do with the order of the page being regenerated.

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Nov 10, 2010

I have a requirement in my application that, while saving the application, need to get all the value from drop down list and pass it to the view model. But application should not allow the user to select more than one item from drop down list manually, ie, only one value at a time. My view model is like ...

public class ListManagement
public IEnumerable<selectListItem> InactiveProduct { get; set; }
public string[] InactiveProductSelected { get; set; }
public IEnumerable<selectListItem> ActiveProduct { get; set; }


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DataSource Controls :: Looping Through Checkbox List And Adding Selected Items To MS SQL Database

Jan 14, 2010

Looping Through Checkbox List and adding selected items to MS SQL DatabaseI don't want to store it using comma deliminator.I will need to do a search on analyze which users have what music in common.The image above is from a tbl_lookup_music table I created. MusicID, MusicNow how should I build the logicIF we have a user that has a tbl_profile table. And listens to many different types of music. How should We store the data.------------------------------------------------------------------------------------------CREATE TABLE [dbo].[tbl_lookup_music]( [MusicID] [int] IDENTITY(1,1) NOT NULL, [Music] [nvarchar](64) NOT NULL, ---- Type of music. CONSTRAINT [PK_tbl_lookup_music] PRIMARY KEY CLUSTERED ( [MusicID] ASC )WITH(PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF,ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY----------------------------------------------------------------------------------------------CREATE TABLE [dbo].[tbl_Profile_Music]( [ProfileMusicID] [int] IDENTITY(1,1) NOT NULL, [ProfileID] [int] NOT NULL, [MusicID] [int] NOT NULL,PRIMARY KEY CLUSTERED ( [ProfileMusicID] ASC)WITH(PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF,ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]) ON [PRIMARY]GOHow should I setup this table.

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Web Forms :: How To Find Out Time Duration Using Drop Down List Control

Jul 29, 2010

How find out time duration in asp.net using drop down list Control? Result will display in textbox.

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Web Forms :: Removing Items From A List Control?

Jul 19, 2010

I have a list of objects that have values to them. Specifically one of these values if a boolean (isAbnormal) to determine whether or not the value itself is classified by our application logic as "Abnormal" or not.

I have composed a list of a mixture of abnormal/not abnormal items. I want and need to remove items from this list that aren't clsasified as being abnormal (in programming logic, isAbnormal will be false)

I have tried several ways and can think of some dirty/ugly ways to get it, but there has to be something better:


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Web Forms :: Allow The User To Choose An Item, But Rather Than Populate Another Drop Down List Control?

Jun 22, 2010

I've got a drop down list that I want to populate with items from a SQL Server database, which I did successfully, but I can't figure out how to write an if statement that will clear the drop down list based on a selected index and repopulate it with data from another table. The drop down list is inside an update panel that auto posts back.

Basically I want to allow the user to choose an item, but rather than populate another drop down list control, i just want to repopulate the current one with new data.I'm guessing that if I want to get data from more than one table the code below isn't going to work for me. Could I get the data from all the tables at once and store each table data in its own variable until I need to use it? (Each table will have under 10 items, in 5 tables.)

Here is the code to get the data from the database:[Code]....

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Templates - Populate List Items In Dropdown List From Placeholder?

Feb 24, 2010

I'm designing my own custom control that contains a .NET dropdownlist. What I'm wondering is if it is possible to populate my dropdownlist with listitems placed in a placeholder? For example:

<asp:DropDownList ID="ddlFilter" runat="server" >
<asp:PlaceHolder ID="ListItemPlaceholder" runat="server"/>

This doesn't work because the DropDownList control only allows ListItems as child controls. But, I want to do something similar to this so when the user includes my control on a page, they can do something like this:

<mytag:MyControl Mode="DropDown" runat="server">
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<asp:ListItem Text="E" Value="e"></asp:ListItem>
<asp:ListItem Text="B" Value="b"></asp:ListItem>

I know I can do this by dynamically adding the ListItems in the page code behind, but I'd like to avoid that if possible.

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