ASP.NET MVC ComboBox - Server-Side API - Events


The ComboBox control exposes the OnSelectedIndexChanged property which allows developers to specify the name of an action method which will be called when the selection is changed.
View - Aspx

    <% Html.Obout(new ComboBox("ComboBox1")
    {   
        OnSelectedIndexChanged = "ComboBox/ApiserverEvents_SelectedIndexChanged"      
    }); %>
    
    <span ><%= ViewData["EventLogger"] %></span>
    
    
View - Razor

    @Html.Obout(new ComboBox("ComboBox1")
    {   
        OnSelectedIndexChanged = "ComboBox/ApiserverEvents_SelectedIndexChanged"      
    })
    
    <span >@(ViewData["EventLogger"])</span>
    
    
Controller

    public ViewResult ApiserverEvents()
    {
        ViewData["ComboBox1"] = GetCustomers();

        return View();
    }

    public ViewResult ApiserverEvents_SelectedIndexChanged(string ComboBox1, string ComboBox1_SelectedText)
    {
        ViewData["ComboBox1"] = GetCustomers().Take(10);
        ViewData["EventLogger"] = "<br /><br /><b>The selection has been changed to:</b> " 
        + ComboBox1_SelectedText;

        return View("ApiserverEvents");
    }
    
    
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