# ActiveCellChanged

Learn the syntax and arguments for the ActiveCellChanged event available in Spread for ASP.NET.

## Content

Occurs when the active cell is changed from the current one to a new one (when the user clicks a new cell).

## Syntax

[Inline HTML]

```html
<ELEMENT ActiveCellChanged = "handler" ...>
```

[JavaScript]

```javascript
FpSpread1.addEventListener("ActiveCellChanged", handler, ...)
```

or

```javascript
FpSpread1.onActiveCellChanged = handler
```

## Arguments

***event.row***
Row index of new active cell
***event.col***
Column index of new active cell
***event.spread***
Spread that raises the event

## Return Type

None

## Remarks

This event is triggered when the user changes from one cell to another. The event uses as arguments the new indexes of the new active cell.

## Example

This example JavaScript code maps the event for the Spread on the client side.

```javascript
<script lang="javascript" type="text/javascript">
window.onload = function () {
            var spread1 = document.getElementById("<%=FpSpread1.ClientID %>");
            if (document.all) {
                // IE
                if (spread1.addEventListener) {
                    // IE9
                    spread1.addEventListener("ActiveCellChanged", cellChanged, false);
                } else {
                    // Other versions of IE and IE9 quirks mode (no doctype set)
                    spread1.onActiveCellChanged = cellChanged;
                }
            }
            else {
                // Firefox
                spread1.addEventListener("ActiveCellChanged", cellChanged, false);
            }
        }
   
        function cellChanged(event) {
            alert("r"+event.row+",c"+event.col);
        }
</script>
```

## See Also

[DataChanged](/spreadnet/docs/latest/online-asp/overview/spweb-clientscriptref/clientscript-members/clientscript-allevents/CSSR-onDataCh)
[SelectionChanged](/spreadnet/docs/latest/online-asp/overview/spweb-clientscriptref/clientscript-members/clientscript-allevents/CSSR-onSelectionChanged)
[SetActiveCell](/spreadnet/docs/latest/online-asp/overview/spweb-clientscriptref/clientscript-members/clientscript-allmeths/CSSR-SetActiveCell)
[ActiveCellChanging](/spreadnet/docs/latest/online-asp/overview/spweb-clientscriptref/clientscript-members/clientscript-allevents/CSSR-onActiveCellChanging)
[Scripting Members](/spreadnet/docs/latest/online-asp/overview/spweb-clientscriptref/clientscript-members)