ComboBox

@inherits ControlComponent

<asp.ComboBox @ref="this.comboBox">
                                            <asp.ListItem>Chocolate</asp.ListItem>
                                            <asp.ListItem>Coconut</asp.ListItem>
                                            <asp.ListItem>Mint</asp.ListItem>
                                            <asp.ListItem>Strawberry</asp.ListItem>
                                            <asp.ListItem>Vanilla</asp.ListItem>
</asp.ComboBox>

<br />
<br />

<asp.Button Text="Submit"
                                            OnClick="this.SubmitBtn_Click" />

<asp.Label @ref="this.label" />

@code {
                                            private ComboBox comboBox;
                                            private Label label;

                                            protected void SubmitBtn_Click(object sender, EventArgs e)
    {
        label.Text = "You chose: " + comboBox.Text;
    }
}

@using System.Collections
@inherits ControlComponent

<asp.ComboBox @ref="this.comboBox"
                                            DataSourceID="FreeDataSource1">
</asp.ComboBox>

<asp.FreeDataSource ID="FreeDataSource1" OnExecuteSelected="sender => this.CreateDataSource()" />

<br />
<br />

<asp.Button Text="Submit"
                                            OnClick="this.SubmitBtn_Click" />

<asp.Label @ref="this.label" />

@code {
                                            private ComboBox comboBox;
                                            private Label label;

                                            protected ICollection CreateDataSource()
    {
        ArrayList values = new ArrayList();
        values.Add("Chocolate");
        values.Add("Coconut");
        values.Add("Mint");
        values.Add("Strawberry");
        values.Add("Vanilla");
                                            return values;
    }

                                            protected void SubmitBtn_Click(object sender, EventArgs e)
    {
        label.Text = "You chose: " + comboBox.Text;
    }
}