DropDownList with multiple select checkbox

Question

Hello Friends In MVC 5 application I need to implement dropdown list with multiple selection including select all option. Can any one help me !!! Thanks

Nilesh Avhad · Answer

Please try below function public static string CheckBoxList ( this HtmlHelper helper  string name  IEnumerable SelectListItem > items ) { var output = new StringBuilder (); output . Append (@   ); foreach ( var item in items ) { output . Append (@  ); output . Append ( name ); output . Append ( \ value=\ ); output . Append ( item . Value ); output . Append ( \ ); if ( item . Selected ) output . Append (@  checked=chekced ); output . Append (  /> ); output . Append ( item . Text ); output . Append (   ); } output . Append (   ); return output . ToString (); }