Populate .NET MVC List Box And Make It Non Selectable?

May 13, 2010

How will I populate a ASP.NET MVC List box? Make it non selectable?

how will i remove the selected items from the listbox

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me how can i make each cell of a gridview selectable(Web Project)?

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How do i make the default entry in a dropdownlist not selectable? Right now I have a drop down and the users are able to select the default option that says (Select one)...here is what my code look like. I hard coded my options in there cause the list is really short and won't change ever. Right now, users can select the default entry and add it whatever list they are generating on the page...and I would like to make that default visible but not selectable.

[Code]....

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How can I make the first item in a drop down list non selectable. I want this first list-item to show up when the page is opened and want to populate the rest of the DDL from a backend DB. I don't want this default first item in the list to be selected (just want to show it as a default value)

I want it to look something like this.

Choose a State: (Appearing on the top of DDL, but cant be selected)

TX

IL

NY

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Add Style Sheet To The List Of Selectable Items?

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Started checking out VS2010 Express. I have it installed on my home laptop and my work PC. This "problem" occurs on both systems. In past versions of VS I thought I was able to add style sheets to a theme by right-clicking on the theme folder, selecting "New Item...", then clicking the Style Sheet item. In VS2010 Express, Style Sheet is not present as an option. Only Skin, XML, and XSLT are present.

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I have a drop down list with the fist item as the word "select". I want to have this in the list but make it so it cannot be selected.

I have tried changing enabled=false, but that just removes it completley from the list.

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I have string which came from the database,now i want to compare each charater of the string with the radiobuttonlist value and check box list value and select both radiobutton list and checkboxlist.

Here i write down some code but its just select 2 item of the each radiobuttonlist and checked all checkboxlist.

[Code]....

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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"/>
</asp:DropDownList>

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">
<ListItemTemplate>
<asp:ListItem Text="C" Value="c"></asp:ListItem>
<asp:ListItem Text="E" Value="e"></asp:ListItem>
<asp:ListItem Text="B" Value="b"></asp:ListItem>
</ListItemTemplate>
</myTag:MyControl>

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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I'm trying to populate a dropdown list from a list of existing SQL tables in a database. Does anyone have a code sample for doing this?

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I need to populate a listbox, however, the value on the second box needs to derive from the first one, such as when I click on North America, USA and Canada would show up. the tricky part is that I need to be able to select North America and Europe in the same time and 2nd list box needs to show USA, Canada, UK, Italy, German accordingly.

A1: North America
A2: Europe
A3: Asia
B1: USA
B2: Canada
C1: UK
C2: Italy
C3: German
D1: China
D2: India

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AJAX :: To Make Own Cascading Dropdown / Unabe To Populate

Nov 19, 2010

after

[Code]....

This line i get an error. Means nothing is populating there and no method is calling in .cs page too.in the script it returns error. my .cs page code for populting first dropdown as follows,
[Code]....

and the webmethod as follows


[Code]....
[Code]....

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Mar 10, 2011

I was looking for some better way of coding to populate all text boxes and make them visible once a button is clicked, is there a better way of doing this than I describe below?

The scenario

I have a letter like format on a page with labels displaying address, name etc and it was recommended that on this page some of the information should be able to be edited. The idea I had was to keep the labels displaying the information but then when the edit details button is clicked the labels disappear, text boxes will appear and be populated with the same text as the label to allow the user to edit the details.

I seem to repeating lines of code but changing one thing each time

on page load

Dim Sname As String = Request.QueryString("Name")
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Dim Saddress As String = Request.QueryString("Address")
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tbAddress.Text = Saddress
tbAddress.visible = false
etc...
on edit button
tbStuName.visible=true
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etc..

on the save button

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My code seems very repetitive in many parts, I was looking for a better coding style to do this can anyone suggest a better way to do it? Is my idea sound right way to do this or can anyone suggest a better way it can be implemented?

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I have a list of Categories which I need to bind to a TreeView control in WPF and I can't find a working tutorial or get it working.My Category class consist of (ID, Title, ParentID). If the Category is a top level category the parentID is null.Can anyone sow me how to bind this to a treeview?

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I am having trouble populating a database that is shown in a list box. The user uses a text box to enter an ID and the ID will bring up information. The problem I am having is in the highlighted area. It says The expression contains an invalid string constant: '1010. where 1010 is what i entered in the text box to test it.

[Code]....

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MVC :: How To Populate A Drop Down List From A Datatable

Mar 4, 2010

I'm trying to populate a drop down list from a datatable. Is this correct way of doing it?

public ViewResult Index()
{
ViewData["CampaignList"] = List;
return View();
}
public IEnumerable<SelectListItem> List
{
get
{
DataTable dt = CampaignRow.GetList(DB, 100, true);
List<SelectListItem> list = new List<SelectListItem>();
foreach (DataRow row in dt.Rows)
{
list.Add(new SelectListItem
{
Text = Convert.ToString(row["CampaignName"]),
Value = Convert.ToString(row["CampaignId"]),
});
}
return list;
}
}

how can i stylize drop down list? how can i add an empty first value ie "select campaign"

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I have a DropDownList.

I need populate it with item collected in a List<ListItem>.

In my script, collector has been populated properly.

But I cannot populate the DropDownList. I receive an error:

DataBinding: 'System.Web.UI.WebControls.ListItem' does not contain a property with the name 'UserName'."}

<asp:DropDownList ID="uxListUsers" runat="server" DataTextField="UserName"
DataValueField="UserId">
List<ListItem> myListUsersInRoles = new List<ListItem>();
foreach (aspnet_Users myUser in context.aspnet_Users)
{
// Use of navigation Property EntitySet
if (myUser.aspnet_Roles.Any(r => r.RoleName == "CMS-AUTHOR" || r.RoleName == "CMS-EDITOR"))
myListUsersInRoles.Add(new ListItem(myUser.UserName.ToString(), myUser.UserId.ToString()));
}
uxListUsers.DataSource = myListUsersInRoles; // MAYBE PROBLEM HERE????
uxListUsers.DataBind();

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Web Forms :: Dynamically Populate Dropdown List From Another?

May 26, 2010

i've run into small problem, here's the thing: i've got a dropdown list (ddlist1) that i am populating from a database, that works fine. However, depending on the option selected here, i need to populate another dropdown list (ddlist2). for example, if on ddlist1 i select option 1, on ddlist 2 i should get a list of options related to option 1 from ddlist1. If i select option 2, on ddlist 2 i should get a list of options related to option 2 from ddlist 1. and so forth. this information with which ddlist needs to be filled, comed from another database. o how can i go about this? m not sure yet how to code the second ddlist.

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Populate Drop Down List On Click In Repeater?

Jan 31, 2011

Is it possible to populate the values of a drop down list inside a repeater when the user chooses to activate the drop down list? I have a page that has 2300 rows of data generated by a repeater. The users have the option of showing a drop down list or not. If the drop down list is shown, right now I bind the values in the drop down list at the time the repeater is generated so they are available immediately.However, this adds an additional 2mb of data to the page, which increases the amount if time that it takes to render the page. I am being asked to decrease the page size. The idea they have is that if I only load the first value of the drop down list into the repeater, the amount of data on the page would drop significantly (which it does).

The problem becomes, how do I then load the remaining items into the drop down list when the user SELECTS the drop down list? These aren't static values, they are completely dependent on the data row key, so I have to go out to the DB and get the values for that individual row.I thought maybe AJAX and jquery, but can that be done inside the repeater?Ayone have any ideas as to if/how this could be done? Personally, I think the users should be educated that it is going to take an additional 5 seconds for the page to load if they choose to display the dropdowns, but the business is hesitant to go that route.

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JQuery :: Populate And Create A Select List?

Feb 3, 2011

I am developing an MVC application. As part of the functionality I am using jQuery to invoke a server side Action method. This method returns an array of strings. I would like to display the list of strings in a select list using jQuery. e.g. I would like to see the following html:

<select name="CompleteAddress" onchange="Run()" id="CompleteAddress">
<option>22, Random Address</option>
<option>24, Random Address</option>
<option>26, Random Address</option>
</select>

The values "22 Random Address" etc... come from the Action method.

Currently, I am invoking the action method as follows:

[Code]....

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Web Forms :: Dropdown List Box Populate Depending On Second

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i have 3 dropdown list box 3rd dropdown populate depending on 2nd drop down and 2nd drop down populate depnding on 1st value of drop down in asp .NET C#

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I have a date and I need to populate a drop-down with the months/years between that date and today. For instance, if that date is 10/14/2010 then the drop-down should contain October 2010, November 2010, December 2010, January 2010.

The way I'm thinking of doing this is to pass that date to a function, loop from today backwards step 1 month while adding each month to a collection until we reach that date and finally return a collection of strings. Then, populate the drop-down control on page load. Finally, use some ajax with a page method to parse back the string and trigger a partial page reload.

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I have a dropdown list with the names of the months listed in it. These names are stored as int values but converted to string for display purpose. I also have a RadDatePicker control that will allow the user to select a specific date to overwrite the default date. The default date in the textbox needs to be set to the last day of the month selected (i.e. May 2010 would default to 05/31/2010).

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Web Forms :: How To Use Arrays To Populate Dropdown List

Nov 18, 2010

how do i initaize array in just one line so that dropdown list can be populated easily.

For eg : arr={"1","2","3"} how do i do this for list items in dropdown list.

I know this method:
Dim a(1) As ListItem

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