1 function Sys$WebForms$PageRequestManager$_doPostBack(eventTarget, eventArgument) {
2 this._additionalInput = null;
3 var form = this._form;
4 if ((eventTarget === null) || (typeof(eventTarget) === "undefined") || (this._isCrossPost)) {
5 this._postBackSettings = this._createPostBackSettings(false, null, null);
6 this._isCrossPost = false;
7 }
8 else {
9 var clientID = this._uniqueIDToClientID(eventTarget);
10 var postBackElement = document.getElementById(clientID);
11 if (!postBackElement) {
12 if (Array.contains(this._asyncPostBackControlIDs, eventTarget)) {
13 this._postBackSettings = this._createPostBackSettings(true, this._scriptManagerID + '|' + eventTarget, null);
14 }
15 else {
16 if (Array.contains(this._postBackControlIDs, eventTarget)) {
17 this._postBackSettings = this._createPostBackSettings(false, null, null);
18 }
19 else {
20 var nearestUniqueIDMatch = this._findNearestElement(eventTarget);
21 if (nearestUniqueIDMatch) {
22 this._postBackSettings = this._getPostBackSettings(nearestUniqueIDMatch, eventTarget);
23 }
24 else {
25 this._postBackSettings = this._createPostBackSettings(false, null, null);
26 }
27 }
28 }
29 }
30 else {
31 this._postBackSettings = this._getPostBackSettings(postBackElement, eventTarget);
32 }
33 }
34 if (!this._postBackSettings.async) {
35 form.onsubmit = this._onsubmit;
36 this._originalDoPostBack(eventTarget, eventArgument);
37 form.onsubmit = null;
38 return;
39 }
40 form.__EVENTTARGET.value = eventTarget;
41 form.__EVENTARGUMENT.value = eventArgument;
42 this._onFormSubmit();
43 }
