Occurs just before the Spread component makes a request to the ASPX page.
Syntax
[Inline HTML]
<ELEMENT onCallBackStart = "handler" ...>
[Event Property]
FpSpread1.onCallBackStart = handler
[Named Script]
<SCRIPT FOR=FpSpread1 EVENT=onCallBackStart>
Arguments
- event.cancel
- Whether to cancel the callback request
- event.async
- Asynchronous or not
- event.command
- Command name of the callback
Return Type
None
Remarks
This event is triggered when there is a request to the ASPX page.
If the cancel argument is set to true, the request is canceled.
Example
This example JavaScript code maps the event for the Spread on the client side. Set ClientAutoCalculation to True for the Spread component in Page Load and type in a cell at run time to see the alerts in the client side code.
| JavaScript |  Copy Code |
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<script language="javascript" type="text/javascript"> window.onload = function () { var spread1 = document.getElementById("<%=FpSpread1.ClientID %>"); if (document.all) { // IE if (spread1.addEventListener) { // IE9 spread1.addEventListener("CallBackStart", CallBackStart, false); spread1.addEventListener("CallBackStopped", CallBackStopped, false); } else { // Other versions of IE and IE9 quirks mode (no doctype set) spread1.onCallBackStart = CallBackStart; spread1.onCallBackStopped = CallBackStopped; } else { // Firefox spread1.addEventListener("CallBackStart", CallBackStart, false); spread1.addEventListener("CallBackStopped", CallBackStopped, false); } } function CallBackStart(event) { if (event==null) event = window.event; alert("start"); } function CallBackStopped() { alert("stop"); } </SCRIPT> |
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