asp.net: combobox or listbox PLUS checkbox

i need a solution like this:

http://demos.telerik.com/aspnet-ajax/combobox/examples/functionality/checkboxes/defaultcs.aspx

however, i need the user to be able to add entries in here.

does such a c开发者_高级运维ontrol already exist?

it can be either jquery or asp.net

it also does not have to be a combobox, it can be a listbox. i need to have every item have a checkbox next to it and be able to add a comment for each entry.

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Take a look at the ASPxGridLookup control from the DevExpress component vendor.

The ASPxGridLookup component allows the implementation of the multi-select DropDown functionality:

http://demos.devexpress.com/ASPxGridViewDemos/ASPxGridLookup/MultiSelect.aspx

http://www.devexpress.com/example=E3467

http://codecentral.devexpress.com/E3467/

with editing capabilities via the embedded ASPxGridView object:

http://demos.devexpress.com/ASPxGridViewDemos/GridEditing/EditModes.aspx

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Ref : DropdownList with Multi select option?

Multiple dropdownlist with checkbox....checkout below link...

checkout demo page here...

http://download.ysatech.com/ASP-NET-Multiple-Selection-DropDownList/ASP-NET-Multiple-Selection-DropDownList.aspx

Blog page here....

http://blog.ysatech.com/post/2009/09/09/ASP-NET-Multiple-Selection-DropDownList-with-AJAX-HoverMenuExtender.aspx

http://www.codeproject.com/KB/user-controls/MultiSelectDropdownList.aspx

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To me it sounds like it might be better for you to run with a ListBox. Telerik offers the RadListBox, which allows you to have checkboxes as seen here.

Additionally, you could allow for edits upon, for example, double-click as is displayed in the source code attached to this forum post.

Finally, if you want to also display the comments then you could use an ItemTemplate to define a custom layout for each RadListBoxItem and allow the user to edit both the main and comment fields.

That should cover everything that you need.