Questions on UI for WinForms Forum

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[Solved] Multiple relations with same parent

Hello,

I am trying to create a RadGridView which have multiple GridViewTemplates as hierarchical data. It works for my first relation using ParentColumnNames and ChildColumnNames, however, when adding my second relation, it does not work.

A small attached code sample is here, thanks:

    
                public class Client 
        
                { 
        
                    public int ID { get; set; } 
        
                    public string Name { get; set; } 
        
                    public Client(int id, string name) 
        
                    { 
        
                        ID = id; 
        
                        Name = name; 
        
                    } 
        
                } 
        
                public class Order 
        
                { 
        
                    public int ID { get; set; } 
        
                    public int ClientID { get; set; } 
        
                    public int Quantity { get; set; } 
        
                    public Order(int id, int clientid, int quantity) 
        
                    { 
        
                        ID = id; 
        
                        ClientID = clientid; 
        
                        Quantity = quantity; 
        
                    } 
        
                } 
        
                public class OrderPrices 
        
                { 
        
                    public int ID { get; set; } 
        
                    public int ClientID { get; set; } 
        
                    public double Price { get; set; } 
        
                    public OrderPrices(int id, int clientid, double price) 
        
                    { 
        
                        ID = id; 
        
                        ClientID = clientid; 
        
                        Price = price; 
        
                    } 
        
                } 
        
                    private void Form1_Load(object sender, EventArgs e) 
        
                    { 
        
                        radGridView1.AutoGenerateHierarchyFromDataSet = false; 
        
                        ordersTemplate = new GridViewTemplate(this.radGridView1); 
        
                        radGridView1.MasterGridViewTemplate.ChildGridViewTemplates.Add(ordersTemplate); 
        
                        GridViewRelation relation1 = new GridViewRelation(this.radGridView1.MasterGridViewTemplate); 
        
                        relation1.RelationName = "Clients Orders1"; 
        
                        relation1.ParentColumnNames.Add("ID"); 
        
                        relation1.ChildColumnNames.Add("ClientID"); 
        
                        relation1.ChildTemplate = ordersTemplate; 
        
                        radGridView1.Relations.Add(relation1); 
        
                        orderPricesTemplate = new GridViewTemplate(radGridView1); 
        
                        radGridView1.MasterGridViewTemplate.ChildGridViewTemplates.Add(orderPricesTemplate); 
        
                        GridViewRelation relation2 = new GridViewRelation(radGridView1.MasterGridViewTemplate); 
        
                        relation2.RelationName = "Clients Order Prices"; 
        
                        relation2.ParentColumnNames.Add("ID"); 
        
                        relation2.ChildColumnNames.Add("ClientID"); 
        
                        relation2.ChildTemplate = orderPricesTemplate; 
        
                        radGridView1.Relations.Add(relation2); 
        
                        LoadData(); 
        
                    } 
        
                    private void LoadData() 
        
                    { 
        
                        BindingList<Client> clients = new BindingList<Client> 
        
                              { 
        
                                  new Client(1, "John Smith"), 
        
                                  new Client(2, "Peter Jackson"), 
        
                                  new Client(3, "Samuel Dell"), 
        
                                  new Client(4, "Test") 
        
                              }; 
        
                        BindingList<Order> orders = new BindingList<Order> 
        
                            { 
        
                                new Order(1, 1, 2), 
        
                                new Order(1, 1, 1), 
        
                                new Order(1, 2, 10), 
        
                                new Order(1, 3, 43) 
        
                            }; 
        
                        BindingList<OrderPrices> orderprices = new BindingList<OrderPrices> 
        
                           { 
        
                               new OrderPrices(1, 4, 1.50), 
        
                               new OrderPrices(1, 4, 9.99), 
        
                               new OrderPrices(1, 1, 10.11), 
        
                               new OrderPrices(1, 2, 43.42) 
        
                           }; 
        
                        orderPricesTemplate.DataSource = orderprices; 
        
                        ordersTemplate.DataSource = orders; 
        
                        radGridView1.DataSource = clients; 
        
                    }

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