Multi-select dropdown list in ASP NET

Question

Do any good multi-select dropdownlist with checkboxes  webcontrol  exist for asp net   Thanks a lot

User · Answer

I like the Infragistics controls   The WebDropDown has what you need   The only drawback is they can be a bit spendy

User · Answer

I ve used the open source control at http   dropdowncheckboxes codeplex com  and been very happy with it  My addition was to allow a list of checked files to use just file names instead of full paths if the  selected  caption gets too long  My addition is called instead of UpdateSelection in your postback handler      Update the caption assuming that the items are files lt br  gt      If the caption is too long  eliminate paths from file names lt br  gt   public void UpdateSelectionFiles int maxChars      StringBuilder full   new StringBuilder       StringBuilder shorter   new StringBuilder      foreach  ListItem item in Items         if  item Selected           full AppendFormat   0      item Text         shorter AppendFormat   0      new FileInfo item Text  Name                 if  full Length    0  Texts SelectBoxCaption    Select        else if  full Length  lt   maxChars  Texts SelectBoxCaption   full ToString       else Texts SelectBoxCaption   shorter ToString

User · Answer

Check this out  It s free one   http   irfaann blogspot com 2009 07 ajax-based-multiselect-dropdown-control html  HTH

User · Answer

You could use the System Web UI WebControls CheckBoxList control or use the System Web UI WebControls ListBox control with the SelectionMode property set to Multiple

User · Answer

HTML does not support a dropdown list with checkboxes  You can have a dropdown list  or a checkbox list  You could possibly fake a dropdowncheckbox list using javascript and hiding divs  but that would be less reliable than just a standard checkbox list   There are of course 3rd party controls that look like a dropdown checkboxlist  but they are using the div tricks   you could also use a double listbox  which handles multi select by moving items back and forth between two lists  This has the added benefit of being easily to see all the selected items at once  even though the list of total items is long   Imagine a list of every city in the world  with only the first and last selected

User · Answer

Try this server control which inherits directly from CheckBoxList  free  open source   http   dropdowncheckboxes codeplex com

User · Answer

jQuery Dropdown Check List can be used to transform a regular multiple select html element into a dropdown checkbox list  it works on client so can be used with any server side technology     source  googlecode com

User · Answer

Here s a cool ASP NET Web control called Multi-Select List Field at http   www xnodesystems com   It s capable of    1  Multi-select   2  Auto-complete   3  Validation

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