C How to add subitems in ListView

Question

Creating an item Under the key  is easy but how to add subitems Value    listView1 Columns Add  Key    listView1 Columns Add  Value    listView1 Items Add  sdasdasdasd      How to add  asdasdasd  under value

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ListViewItem item   new ListViewItem    item Text    fdfdfd   item SubItems Add   melp    listView Items Add item

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Like this   ListViewItem lvi   new ListViewItem    lvi SubItems Add  SubItem    listView1 Items Add lvi

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Suppose you have a List Collection containing many items to show in a ListView  take the following example that iterates through the List Collection   foreach  Inspection inspection in anInspector getInspections            ListViewItem item   new ListViewItem        item Text anInspector getInspectorName   ToString        item SubItems Add inspection getInspectionDate   ToShortDateString         item SubItems Add inspection getHouse   getAddress   ToString         item SubItems Add inspection getHouse   getValue   ToString  C         listView1 Items Add item         That code produces the following output in the ListView  of course depending how many items you have in the List Collection    Basically the first column is a listviewitem containing many subitems  other columns   It may seem strange but listview is very flexible  you could even build a windows-like file explorer with it

User · Answer

I think the quickest neatest way to do this   For each class have string   obj ToListViewItem   method and then do this   foreach var item in personList        listView1 Items Add new ListViewItem item ToListViewItem          Here is an example definition  public class Person       public string Name   get  set        public string Address   get  set        public DateTime DOB   get  set        public uint ID   get  set         public string   ToListViewItem                 return new string                 ID ToString  000000                Name              Address              DOB ToShortDateString                        As an added bonus you can have a static method that returns ColumnHeader   list for setting up the listview columns with   listView1 Columns AddRange Person ListViewHeaders

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add    SubItems Add  asdasdasd      to the last line of your code so it will look like this in the end   listView1 Items Add  sdasdasdasd   SubItems Add  asdasdasd

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I ve refined this using an extension method on the ListViewItemsCollection  In my opinion it makes the calling code more concise and also promotes more general reuse   internal static class ListViewItemCollectionExtender       internal static void AddWithTextAndSubItems                                     this ListView ListViewItemCollection col                                      string text  params string   subItems                var item   new ListViewItem text           foreach  var subItem in subItems                        item SubItems Add subItem                     col Add item             Calling the AddWithTextAndSubItems looks like this      can have many sub items as it s string array myListViewControl Items AddWithTextAndSubItems  Text    Sub Item 1    Sub Item 2       Hope this helps

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Generally   ListViewItem item   new ListViewItem  Column1Text        Tag   optionalRefToSourceObject     item SubItems Add  Column2Text    item SubItems Add  Column3Text    myListView Items Add item

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Create a listview item  ListViewItem item1   new ListViewItem  sdasdasdasd   0  item1 SubItems Add  asdasdasd

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You whack the subitems into an array and add the array as a list item   The order in which you add values to the array dictates the column they appear under so think of your sub item headings as  0   1   2  etc   Here s a code sample     In this example an array of three items is added to a three column listview string   saLvwItem   new string 3    foreach  string wholeitem in listofitems         saLvwItem 0     Status Message        saLvwItem 1    wholeitem       saLvwItem 2    DateTime Now ToString  dddd dd MM yyyy - HH mm ss          ListViewItem lvi   new ListViewItem saLvwItem         lvwMyListView Items Add lvi

User · Answer

Great    It has helped me a lot  I used to do the same using VB6 but now it is completely different  we should add this  listView1 View   System Windows Forms View Details  listView1 GridLines   true   listView1 FullRowSelect   true

[c#] C#: How to add subitems in ListView

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