C# - How To Access The Key Of ListItems In CheckBoxList
Mar 15, 2011
I need to access the key values of the individual Checkboxes in my CheckBoxList in the client. The code below works to select the text however, I want to access the integer values as below.
<asp:CheckBoxList id=rbGender runat="server" Width="200px" RepeatDirection="Horizontal">
<asp:ListItem Value="-1">-1</asp:ListItem>
<asp:ListItem Value="0">Female</asp:ListItem>
<asp:ListItem Value="1">Male</asp:ListItem>
</asp:CheckBoxList>
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Feb 28, 2011
Need a little guidance on handling selected items in a listview and sessions.
First, the CheckBoxList looks like this:
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In the code behind for that page, I'm trying to put the store the selected values into the session like this:
[Code]....
Finally, I want to retrieve the items and wind up with a string containing the items (I think I want a string--what I need to do is put the items into a variable so I can display them in a Label control and also include them in the text of an email that gets generated. Here is how I'm attempting to retrieve the items:
[Code]....
But my variable "Opportunities" ends up with this value: "System.Web.UI.WebControls.ListItemCollection".
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Mar 7, 2011
for the radiobuttonlist control, when I try to style individual buttons with 'span'I get a error, is there some way to style each button?
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error is:
System.Web.UI.WebControls.ListItemCollection must have items of type 'System.Web.UI.WebControls.ListItem'. 'span' is of type 'System.Web.UI.HtmlControls.HtmlGenericControl
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Jun 24, 2010
how I access /retrieve values of checkboxlist inside a repeater? My code is below..is it the same as if it was not inside a repeater? My other concern is how do I distinguish these checkboxes because basically what 's going to happen here is based on which checkbox is selected I need to query an xml file to get the location of a folder which I'm then going to zip up and allow user to download..So here's the breakdown. I have an accordion panel using jquery ui. Each panel hold a product and each product has the same checkboxes..so depending on which product the user wants to download files for which he/she will indicate by opening the accordion panel for that product and checking which checkboxes/file they want to download . So how will I know which product the user clicked the checkboxes for being that I'm using this repeater which just one ID?
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can I still use this code or will it not work cause it's inside a repeater..also I was going to use jquery to add an onclick event to the checkbox so how can I do that now with me using this control?
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Here's another issue..I can't even assign values to the checkboxlist using databinding..so how am I suppose to do this.. Server Error in '/ArchitectView' Application. Parser Error Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. Parser Error Message: Databinding expressions are only supported on objects that have a DataBinding event. System.Web.UI.WebControls.ListItem does not have a DataBinding event.Source Error:
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May 7, 2015
I need to charge my checkboxlist1 from database, eg load fruits and vegetables. When selecting fruits, new filter based on the previous selection in my checkboxlist2. for specific search.
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Apr 22, 2010
I need to provide a way to allow users to select 1 Subject, but the subjects are grouped into Qualifications and so I want to show a heading for each 'group'. My first thought is an asp:RadioButtonList as that provides a list of options from which only one can be selected but there's no means to add break the list up with headings. So I tried the following code - but I can't see that the LiteralControl is being added, which makes me think it's not a valid approach.
For Each item As Subject In Qualifications
If item.QualCode <> previousQualCode Then
rblSelection.Controls.Add(New LiteralControl(item.QualName))
[code]...
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Mar 11, 2011
Based on Checkbox click radiobuttonlist controls are enabled/disabled.
for some reason i cannot set the focus on to 2nd item with in the list item.
Checkbox (autpostback property as true).
on checkchanged event i have the following code
[Code]....
This code sets focus only to the first listitem and when user hits tab focus is set to next checkbox but what i need is after focus from firstlistitem set focus to secondlistitem.
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Mar 23, 2011
I have a userControl that contains a radioButtonList, a label control (used for captions) and a bunch of validation controls. I have included all the public properties that allow me to dynamically add list items (ie from the DB) but I'm wondering if there is a way to allow the user to add listItems via the markup like you would when using a regular <asp:RadioButtonList control?
So the markup would look like this:
<uc1:MyRadioButtonList ID="rblComm" runat="server" Caption="Commissions">
<uc1:ListItem value=".1" Text="10%" />
<uc1:ListItem Value=".2" Text="20%" />
</uc1:MyRadioButtonList>
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Aug 13, 2010
I have the following ddl control within datagrid:
<FooterTemplate>
<asp:DropDownList id="milestone_add" CssClass="TextBoxes" runat="server">
</asp:DropDownList>
</FooterTemplate>
How to add list items "yes" , "no"
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Mar 8, 2010
I am binding a BulletedList control in page load to a datasource, what i want to do is to set custom IDs for this BulletedList's ListItems while binding This custom ID will be in my current case "li_"+ItemId.ToString()
Sample Code i used to fill the bulletedList:
bulletedList.DataSource = MyDataCollection;
bulletedList.DataTextField = "Name";
bulletedList.DataValueField = "Id";
bulletedList.DataBind();
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Feb 1, 2011
I need to get a dropdownlist itemlist to expand in MSIE. The width of the dropdownlist control is set to a fixed width and it cannot be altered onclick, so I need to have the list of items that drops down when clicking autoexpand widthwise. I have tried several different jquery options that are out there, but they are not stable because they do not work on every click and sometimes forces the user to click twice for the itemlist to appear. Displaying a tooltip is not enough, I need to see the list expanded.
The list should look like this;
**DROPDOWNLISTCONTROL**
**LONG CONTENT THAT STRETCHES WHEN EXPANDED**
The list currently look like this in MSIE, and I cannot expand the dropdownlistcontrol,
**DROPDOWNLISTCONTROL**
**LONG CONTENT THAT STR**
Is there anyone who knows of a smart way to do this?
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Feb 1, 2010
I have a dropdownlist that I already have manually databinding. I currently get the data, loop through each item, and depending on values in the item, change the css for the individual ListItem.
For example:
foreach (Site mySite in myList)
{
ListItem li = new ListItem(mySite.FullAddress, mySite.Id.ToString());
if (mySite.DisabledFlg)
{
li.Attributes.Add("style", "color:#999");
}
this.Items.Add(li);
}
I'm trying to force the text in the listitem to break at certain points. The string that I retrieve from the datasource currently has a " " everywhere where there should be a line break. This works fine for display in a normal textbox, but it doesn't work on the listitem. I've tried replacing the " " with a "<br>" but when I do that, it just displays <br> in the listem along with the rest of the text. I've tried wrapping the listitem contents in a "div" with a width attribute, but it also just display the "div" tag literally in the ListItem text. I've also tried adding the following to the ListItem attributes at bind:
li.Attributes.Add("width", "100px");
But that hasn't resulted in any change either.
I've seen custom drop down list controls that have multiline listitems in them.
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Jan 5, 2010
i have a procedure on my page that returns a number, i need to use that number to build a drop down with that many items.Example:Returned Value: 5
DropDown Values:
1
2
3
4
5
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Jan 9, 2011
I am using the combo box for my project and I am having some odd behaviour from combobox...
i am using this combobox inside a formview control...once i click on combobox it is showing the list items at the bottom of formview not next to combobox control...I think it is taking the top and left values from formview offset.
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Jul 28, 2010
I have a DropdownList where some of the items are longer then the width of the list. Firefox expands the width of the list and shws the full length of the ListItem, but Explorer (som people still use that) doesn't do that which results unability to read the whole of the ListItem. I added a "Title" attribute (Tooltip) to the ListItems which shows the full text but even though, the client asks if it's possible to split long ListItems in several lines so user will be able to read it without needing the Tooltip.
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Mar 30, 2010
I am using Visual Studio 10/ASP4 but I am sure this problem is me. I created a program and got it all working. GridView and DetailsView, edit, insert and delete all works. :-)... I have spent 4 solid days attempting to have a simple DropDownList with three items on it EDIT a record. Lots of GOOGLeing for suggestions. It just will not work. The insert dropdown works fine(thats how I created the record). I wrote a new simplified program with just the detailsview and the edititem dropdownlist. Still can't get it to work. The detailsview data has a record and the "mode" field (char(20)) has three letters "FTP" in it. The letters display on the Detailsview. I can edit fine but when I add the following drop down list the page aborted with a
"'DropmodeEdit' has a SelectedValue which is invalid because it does not exist in the list of items.
Parameter name: value"
Yet there is only one record and it HAS "FTP" in it! The list has FTP in it? I just don't get it, why?
I added an ondatabinding routine and breakpointed it in the try/catch and found the selectedindex pointed to the correct entry and the items list had the correct entry with no spurious data or spaces. The data being passed displayed good in the detailsview, Am I correct in assuming that is bound to the dropdownlist automatically? or is there some majic that I did not get from Rob Burke?
<asp:TemplateField HeaderText="mode" SortExpression="mode" >
<EditItemTemplate>
<asp:DropDownList DataValueField="mode" DataTextField="mode" ID="DropmodeEdit" Runat="server"
OnDataBinding="mode_OnDataBinding" AppendDataBoundItems="True"
[Code]....
I have used a dropdownlist once before with a datasource instead of listitems, this should be easier?
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Feb 17, 2010
Is there anything missing in IIS 6.0 that prevents me from (Insert into table) using MS-Access?
Explain: The application works fine under Visual Studio 2008 IDE the insert into table works fine with no error, Also I tested with hosting provider and works fine with no problem. but now I have published the same exact app in a dedicated server windows 2003 with
IIS 6.0 .NET framework 2.0 with latest service pack I gave IIS_WPG write/modify access to the folder where MS-Access database is located and database but at the time of insert an error pop-up. I need to install in the Server or settings in the IIS to recognize my MS-Access db is it some office runtime that I am missing. (BTW I am using OLEDB connection string in my C# )
Using System.Data.OleDb;
I can retrieve data off of it with no problem but when I try to insert is when it fails I thought the problem was Access Rights but I do not think is the case.
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Jun 8, 2010
I want to add some listitems to dropdownlist using dropdownlist.items.add(). After the call, the data can be added into the dropdownlist. but strangely, if I select one item from it, the control does not receive the SelectedIndexChanged message.
[code]....
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Mar 6, 2010
i have a checkboxlis with 4 checkebox and different value. I want user can choos more one option unlike RadiobottonLis. i coud do it by RadiobottonList and show to grid view by sql but now i have problem with checkboxLis. this time is more than one value. how can i difine it in SQL code.
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Feb 22, 2011
i have a checkboxlist that is being bind from a sqldatasource i want to be able to loop through whatever the user selects and store/update it to the data base. I want to do this with a foreach statement in my code behind but i dont know how since i dont have a listitems in the checkboxlist.
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Jul 21, 2010
I have a checkboxlist in aspx as following.
<asp:CheckBoxList ID="new1" runat="server" RepeatColumns="3" RepeatDirection="Horizontal">
<asp:ListItem>A</asp:ListItem>
<asp:ListItem>B</asp:ListItem>
<asp:ListItem>C</asp:ListItem>
<asp:ListItem>D</asp:ListItem>
</asp:CheckBoxList>
In the table in sql server database, the data from this checkboxlist is stored in 1 field with comma delimiter.
e.g A,C,D or A,B,C,D.
now when i retrieve data i want to have only those checkboxes checked that are in that string in DB.
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Mar 18, 2011
For the code below how do I loop though each check box - I need to add a string to a variable whereever the box is checked.
[Code]....
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Aug 31, 2010
Am trying to elegantly validate a CheckBoxList in ASP.NET webforms.
Problem: Unknown server tag 'cc:ValidateableCheckBoxList'.
namespace fmwebapp1.UserControls
{
[ValidationPropertyAttribute("ValidateableProperty")]
public class ValidateableCheckBoxList : CheckBoxList
{
public string ValidateableProperty
[code]...
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May 8, 2012
how to add an item to a CheckBoxList and then select it?
Code:
<div class="seasonType">
Analysis Type<br />
<asp:CheckBoxList ID="cblAnalType" runat="server">
</asp:CheckBoxList>
</div>
[code]....
I have written this code but the RG_TYPE_SET is a boolean, so if it is true I want the tick boc to be selected.When I run this it only ever selects the last item in the list! Can more than one item be selected?
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Sep 23, 2010
I have a problem I do not find resolve the matter simply, when the user chooses the item from the list add value to the textbox When I want to cancel the selection subtract the value of the textbox, When the selection was canceled I want to know the item that was nullified CheckBoxList.SelectedValue use but do not work
[Code]....
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