OnColumnMovingToLeft | RadGrid for ASP.NET AJAX Documentation
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Sys.EventArgs OnColumnMovingToLeft 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 moved left.

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">
    <ClientSettings AllowColumnsReorder="true" ReorderColumnsOnClient="true" ColumnsReorderMethod="Reorder">
        <ClientEvents OnColumnMovingToLeft="ColumnMovingToLeft" />
function ColumnMovingToLeft(sender, eventArgs) {
    alert("Moving column with index: " + eventArgs.get_gridColumn().get_element().cellIndex + " to left");
function ColumnMovingToLeft(sender, eventArgs) {
    eventArgs.set_cancel(true); //cancel event
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