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I've created datagrid with combobox (reading data from DB), but need to fix some problems, maybe someone of you can help me ;)

First of all, I used grouping in dataGrid (group by name Wzór#), and everytime I want to add new element, it shows on the bottom:[^]
Is it possible, to create something like "new group" with this only (the new one) item? For example like:
Wzór 1
Wzór1 niebieski 22 1 1 1
Wzór1 czerwony 23 1 1 1
Wzór 2
Wzór 2 czarny 55 1 1 1
Add new item
ComboBox ComBox ComboBox TextBox TextBox TextBox (which are exactly same as marked in picture). I mean somethink like that:[^]

Second problem i found is that, when Im adding new item, and changing anything in ComboBox1,2 or 3 and then when im begining edit any textbox, all values from combobox dissapear - any way to fix it?

Here is source code (Actually its not very complicated, i have 3 methods with fill combobox1, combobox2 and combobox3 from database, then after button click im creating new Product item which im adding to list):

wzoryCount = wzoryCB.Items.Count;
           List<Produkt> Produkty = new List<Produkt>();
          // for (int i = 0; i < wzoryCount; i++)

               Produkt p = new Produkt { wzor = "", kolor = "", cena = 0, rozmiar = "", indeks = "", kod = "" };
          // }

           dataGrid1.ItemsSource = Produkty;
           ListCollectionView collection = new ListCollectionView(Produkty);
           collection.GroupDescriptions.Add(new PropertyGroupDescription("wzor"));
           dataGrid1.ItemsSource = collection;

I guess, i need to do something in beginEdit method for datagrid, but when i put there messagebox, it doesnt appear when im changing anything in combobox, but do when im changing textbox.

Thanks for any help!
Posted 4-Dec-12 1:41am

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