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Telerik.Web.UI.GridColumnEventArgs OnColumnShowing Property


To get or set property values for client API properties, you must call property accessor methods that are named with the get_ and set_ prefixes. For example, to get or set a value for a property such as cancel, you call the get_cancel or set_cancel.

This event is fired before a column is shown.

Fired by RadGrid
Arguments gridColumn - returns a reference to the clicked GridColumn object domEvent - returns the DOM event that was raised for the current event
Can be canceled Yes, set eventArgs.set_cancel(true) to cancel


<telerik:RadGrid RenderMode="Lightweight" ID="RadGrid1" runat="server">
        <ClientEvents OnColumnShowing="ColumnShowing" />
function ColumnShowing(sender, eventArgs) {
    alert("Showing column: " + eventArgs.get_gridColumn().get_element().cellIndex);
function ColumnShowing(sender, eventArgs) {
    eventArgs.set_cancel(true) //cancel event
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