ASP.NET MVC ComboBox - Reset Selection


 
Reset
View - Aspx

    <% Html.Obout(new ComboBox("ComboBox1")
    {   
        SelectedIndex = 3
    }); %>
    
    <% Html.Obout(new OboutButton("OboutButton1")
    {
        OnClientClick = "return onReset()"
    }); %>	   
    
    
View - Razor

    @Html.Obout(new ComboBox("ComboBox1")
    {   
        SelectedIndex = 3
    })
    
    @Html.Obout(new OboutButton("OboutButton1")
    {
        OnClientClick = "return onReset()"
    })
    
    
JavaScript

    var initialSelectedIndex = -1;
    window.onload = function () {
        initialSelectedIndex = ComboBox1.selectedIndex();

    }

    function onReset() {
        ComboBox1.selectedIndex(initialSelectedIndex);
        return false;
    }
    
    
This example shows how to reset the selection from the ComboBox to the initial selection.

The initial selected index was cached in a client-side variable when the page was loaded and then it is used as a parameter for the selectedIndex method when the Reset button is clicked.
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