public string GetPostBackEventReference(PostBackOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
string actionUrl = options.ActionUrl;
if (actionUrl == null && options.ValidationGroup == null && !options.TrackFocus &&
!options.AutoPostBack && !options.PerformValidation)
{
if (!options.ClientSubmit)
{
return(null);
}
if (options.RequiresJavaScriptProtocol)
{
return(GetPostBackClientHyperlink(options.TargetControl, options.Argument));
}
else
{
return(GetPostBackEventReference(options.TargetControl, options.Argument));
}
}
RegisterWebFormClientScript();
Page page = OwnerPage;
HttpRequest req = page.RequestInternal;
Uri pageUrl = req != null ? req.Url : null;
if (pageUrl != null)
{
RegisterHiddenField(Page.PreviousPageID, pageUrl.AbsolutePath);
}
if (options.TrackFocus)
{
RegisterHiddenField(Page.LastFocusID, String.Empty);
}
string prefix = options.RequiresJavaScriptProtocol ? "javascript:" : String.Empty;
if (page.IsMultiForm)
{
prefix += page.theForm + ".";
}
return(prefix + "WebForm_DoPostback(" +
ClientScriptManager.GetScriptLiteral(options.TargetControl.UniqueID) + "," +
ClientScriptManager.GetScriptLiteral(options.Argument) + "," +
ClientScriptManager.GetScriptLiteral(actionUrl) + "," +
ClientScriptManager.GetScriptLiteral(options.AutoPostBack) + "," +
ClientScriptManager.GetScriptLiteral(options.PerformValidation) + "," +
ClientScriptManager.GetScriptLiteral(options.TrackFocus) + "," +
ClientScriptManager.GetScriptLiteral(options.ClientSubmit) + "," +
ClientScriptManager.GetScriptLiteral(options.ValidationGroup) + ")");
}
