このイベントはキャンセルできます。
Me.WebDataGrid1.Behaviors.Selection.SelectionClientEvents.ColumnSelectionChanging = "WDG1_ColumnSelectionChanging"
this.WebDataGrid1.Behaviors.Selection.SelectionClientEvents.ColumnSelectionChanging = "WDG1_ColumnSelectionChanging";
// The client event ColumnSelectionChanging takes two parameters sender and e // sender is the object which is raising the event // e is the ColumnSelectionChangingEventArgs function WDG1_ColumnSelectionChanging(sender, e) { //Returns a Read Only collection of the currently selected columns var currentSelectedColumns = e.getCurrentSelectedColumns(); //Returns the number of columns in the collection var currentLength = currentSelectedColumns.get_length(); //Returns a Read Only collection of the newly selected columns var newSelectedColumns = e.getNewSelectedColumns(); var newLength = newSelectedColumns.get_length(); window.status = "The number of columns selected changed from '" + currentLength + "' to '" + newLength + "'"; }