Silverlight Study Notes 1-ComboBox

1. Simple ComboBox binding

<ComboBox grid. row = "1" grid. column = "3" Height = "20" horizontalalignment = "Left" verticalignment = "TOP" name = "lstsex" width = "100" margin = "5, 4, 0, 0 "selectedindex =" 0 "> <comboboxitem content =" sir "/> <comboboxitem content =" "/> </ComboBox>

2. ComboBox Data Binding

2.1 Xmal

<ComboBox Grid.Row="0" Grid.Column="3" Height="20" HorizontalAlignment="Left"  VerticalAlignment="Top" Name="Comb1" Width="100" Margin="5,8,0,0"></ComboBox>

2.2 Data Source

public class Student{    public string Name    {        set;        get;    }}public class Students{    public List<Student> StudentList    {        set;        get;    }    public List<Student> getStudent()    {        StudentList= new List<Student>              {                new Student(){Name="X1"},                new Student(){Name="X2"},                new Student(){Name="X3"}            };        return StudentList;    }}

2.2 background code

private void BindStudent(){    Comb1.ItemsSource = new Students().getStudent();    Comb1.DisplayMemberPath = "Name";}

3 ComboBox assignment

3.1 The items of ComboBox is in a fixed state

Comb1.ItemsSource = new Students().getStudent();switch (userModel.UserDepartment ){    case "X1":        this.Comb1 .SelectedIndex =0;        break;    case "X2":        this.Comb1 .SelectedIndex =1;        break;                        case "X3":        this.Comb1 .SelectedIndex =2;        break;                                    }

3.2 when the items of ComboBox is always changing

Student. Name and name may be modified at any time.

foreach(Student item in Comb1.Items){    if(item.Name == student.Name)     {        Comb1.SelectedItem = item;    }}