c# - Bind a ListBox inside an ItemsControl -
good day guys, want create list of clients , each client has group of items want's buy, shopping cart. method want use create listbox inside itemscontrol this:
<itemscontrol name="clientlist"> <itemscontrol.itemtemplate> <datatemplate> <grid height="46"> <grid.rowdefinitions> <rowdefinition height="46"/> <rowdefinition/> </grid.rowdefinitions> <textblock name="client" text="{binding client}" height="45" width="200" horizontalalignment="left" verticalalignment="top" margin="10,5" fontsize="26"/> <listbox name="itemslist" grid.row="1" itemssource="{binding items}"/> </grid> </datatemplate> </itemscontrol.itemtemplate> </itemscontrol> i know how populate clientlist, itemslist don't know how bind have list in code behind how going access itemslist code behind bind collection.
this code behind:
private void phoneapplicationpage_loaded(object sender, routedeventargs e) { //load files in isolated storage var appstorage = isolatedstoragefile.getuserstoreforapplication(); //retrieve files string[] clientlist = appstorage.getfilenames(); foreach (string client in clientlist) { //populate clients list clients.add(new cart { client = client }); using (var file = appstorage.openfile(client, system.io.filemode.open)) { using (var sr = new streamreader(file)) { //retrieve content of file string filecontent = sr.readtoend(); //retrieve every item in file content int = 0; while (i < filecontent.length) { //format file content desired format string saveditems = filecontent.substring(i, 20); saveditems.replace("-", " "); //populate items listbox items.add(new cart { items = saveditems }); //move next item += 20; } //populate clientlist clientlist.itemssource = clients; } } } } cart class has 2 string properties client , items. clients showing in screen items not showing. idea problem? idea problem?
you've bound itemssource="{binding items}". so, have add items property cart class.
public class cart { public observablecollection<shoppingitem> items { get; private set; } public client() { items = new observablecollection<shoppingitem>(); } } update
given code submitted, figured out error comes from:
private void phoneapplicationpage_loaded(object sender, routedeventargs e) { //load files in isolated storage var appstorage = isolatedstoragefile.getuserstoreforapplication(); //retrieve files string[] clientlist = appstorage.getfilenames(); foreach (string client in clientlist) { cart cart = new cart { client = client }; //populate clients list clients.add(cart); using (var file = appstorage.openfile(client, system.io.filemode.open)) { using (var sr = new streamreader(file)) { list<string> cartitems = new list<cartitems>(); //retrieve content of file string filecontent = sr.readtoend(); //retrieve every item in file content (int = 0 ; < filecontent.length ; += 20) { //format file content desired format string saveditems = filecontent.substring(i, 20); saveditems = saveditems.replace("-", " "); // string immutable replace not modify saveditems returns new string cartitems.add(saveditems); } cart.items = cartitems; } } //populate clientlist clientlist.itemssource = clients; } } 
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