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<%@ Page Language="C#" %>
<%@ Implements Interface=System.Web.UI.ICallbackEventHandler %>
<script runat=server>
string ICallbackEventHandler.RaiseCallbackEvent(string eventArgument) {
return "Hello, " +
eventArgument +
". Your name is " +
eventArgument.Length.ToString() +
" characters long.";
}
</script>
<html>
<head runat=server/>
<script>
function OnCallback(result, context) {
alert(result);
}
</script>
<body>
<form runat=server>
Enter your name here:
<input name="name" />
<input type=button ID=CallbackBtn value="Send"
monotype="<%= this.ID %>"
onclick="<%= ClientScript.GetCallbackEventReference(
this,
"document.forms[0].name.value",
"OnCallback",
"this",
"OnCallback",
true) %>" />
</form>
</body>
</html>
|
