SilverLight Get control Value inside Combo Box

I am working on silverlight and I am new in it, I have a combox box,inside which I have a checkbox and textbox. I want to get the value of these controls on button click, How can I do this in SilverLight? This is my ComboBox

<ComboBox x:Name="Type"VerticalAlignment="Top"Margin="2,8,-2,0"Grid.ColumnSpan="3"Height="28"Padding="3"><ComboBoxItem><GridHorizontalAlignment="Stretch"><Grid.ColumnDefinitions><ColumnDefinitionWidth="20"/><ColumnDefinitionWidth="*"MinWidth="105"/><ColumnDefinitionWidth="60"/></Grid.ColumnDefinitions><CheckBoxIsChecked="true"VerticalAlignment="Center"Grid.Column="0"/><TextBlockText="All"VerticalAlignment="Center"Grid.Column="1"Style="{x:Null}"FontSize="11"/></Grid></ComboBoxItem><ComboBoxItem><GridHorizontalAlignment="Stretch"><Grid.ColumnDefinitions><ColumnDefinitionWidth="20"/><ColumnDefinitionWidth="*"MinWidth="105"/><ColumnDefinitionWidth="60"/></Grid.ColumnDefinitions><CheckBoxIsChecked="true"VerticalAlignment="Center"Grid.Column="0"/><TextBlockText="General"VerticalAlignment="Center"Grid.Column="1"Style="{x:Null}"FontSize="11"/><TextBoxText="25"VerticalAlignment="Center"Grid.Column="2"FontSize="11"Padding="2"HorizontalContentAlignment="Right"/></Grid></ComboBoxItem></ComboBox>

<Button Grid.Row="4" x:Name="Search" HorizontalAlignment="Right"  Margin="0"  VerticalAlignment="Top" Grid.ColumnSpan="3" />

  public void Search()
        {
        }