函数WebForm_PostBackOptions(eventTarget, eventArgument, validation, validationGroup, actionUrl, trackFocus, clientSubmit);eventTarget = eventTarget;这一点。eventArgument = eventArgument;这一点。验证=验证;这一点。validationGroup = validationGroup;这一点。actionUrl = actionUrl;这一点。trackFocus = trackFocus; this.clientSubmit = clientSubmit; } function WebForm_DoPostBackWithOptions(options) { var validationResult = true; if (options.validation) { if (typeof(Page_ClientValidate) == 'function') { validationResult = Page_ClientValidate(options.validationGroup); } } if (validationResult) { if ((typeof(options.actionUrl) != "undefined") && (options.actionUrl != null) && (options.actionUrl.length > 0)) { theForm.action = options.actionUrl; } if (options.trackFocus) { var lastFocus = theForm.elements["__LASTFOCUS"]; if ((typeof(lastFocus) != "undefined") && (lastFocus != null)) { if (typeof(document.activeElement) == "undefined") { lastFocus.value = options.eventTarget; } else { var active = document.activeElement; if ((typeof(active) != "undefined") && (active != null)) { if ((typeof(active.id) != "undefined") && (active.id != null) && (active.id.length > 0)) { lastFocus.value = active.id; } else if (typeof(active.name) != "undefined") { lastFocus.value = active.name; } } } } } } if (options.clientSubmit) { __doPostBack(options.eventTarget, options.eventArgument); } } var __pendingCallbacks = new Array(); var __synchronousCallBackIndex = -1; function WebForm_DoCallback(eventTarget, eventArgument, eventCallback, context, errorCallback, useAsync) { var postData = __theFormPostData + "__CALLBACKID=" + WebForm_EncodeCallback(eventTarget) + "&__CALLBACKPARAM=" + WebForm_EncodeCallback(eventArgument); if (theForm["__EVENTVALIDATION"]) { postData += "&__EVENTVALIDATION=" + WebForm_EncodeCallback(theForm["__EVENTVALIDATION"].value); } var xmlRequest,e; try { xmlRequest = new XMLHttpRequest(); } catch(e) { try { xmlRequest = new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) { } } var setRequestHeaderMethodExists = true; try { setRequestHeaderMethodExists = (xmlRequest && xmlRequest.setRequestHeader); } catch(e) {} var callback = new Object(); callback.eventCallback = eventCallback; callback.context = context; callback.errorCallback = errorCallback; callback.async = useAsync; var callbackIndex = WebForm_FillFirstAvailableSlot(__pendingCallbacks, callback); if (!useAsync) { if (__synchronousCallBackIndex != -1) { __pendingCallbacks[__synchronousCallBackIndex] = null; } __synchronousCallBackIndex = callbackIndex; } if (setRequestHeaderMethodExists) { xmlRequest.onreadystatechange = WebForm_CallbackComplete; callback.xmlRequest = xmlRequest; // e.g. http: var action = theForm.action || document.location.pathname, fragmentIndex = action.indexOf('#'); if (fragmentIndex !== -1) { action = action.substr(0, fragmentIndex); } if (!__nonMSDOMBrowser) { var domain = ""; var path = action; var query = ""; var queryIndex = action.indexOf('?'); if (queryIndex !== -1) { query = action.substr(queryIndex); path = action.substr(0, queryIndex); } if (path.indexOf("%") === -1) { // domain may or may not be present (e.g. action of "foo.aspx" vs "http: if (/^https?\:\/\/.*$/gi.test(path)) { var domainPartIndex = path.indexOf("\/\/") + 2; var slashAfterDomain = path.indexOf("/", domainPartIndex); if (slashAfterDomain === -1) { // entire url is the domain (e.g. "http: domain = path; path = ""; } else { domain = path.substr(0, slashAfterDomain); path = path.substr(slashAfterDomain); } } action = domain + encodeURI(path) + query; } } xmlRequest.open("POST", action, true); xmlRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8"); xmlRequest.send(postData); return; } callback.xmlRequest = new Object(); var callbackFrameID = "__CALLBACKFRAME" + callbackIndex; var xmlRequestFrame = document.frames[callbackFrameID]; if (!xmlRequestFrame) { xmlRequestFrame = document.createElement("IFRAME"); xmlRequestFrame.width = "1"; xmlRequestFrame.height = "1"; xmlRequestFrame.frameBorder = "0"; xmlRequestFrame.id = callbackFrameID; xmlRequestFrame.name = callbackFrameID; xmlRequestFrame.style.position = "absolute"; xmlRequestFrame.style.top = "-100px" xmlRequestFrame.style.left = "-100px"; try { if (callBackFrameUrl) { xmlRequestFrame.src = callBackFrameUrl; } } catch(e) {} document.body.appendChild(xmlRequestFrame); } var interval = window.setInterval(function() { xmlRequestFrame = document.frames[callbackFrameID]; if (xmlRequestFrame && xmlRequestFrame.document) { window.clearInterval(interval); xmlRequestFrame.document.write(""); xmlRequestFrame.document.close(); xmlRequestFrame.document.write('

'）;xmlRequestFrame.document.close ();xmlrequestframe.document.forms [0] .action = theform.action;var count = __theformpostcollection.length;var元素;for（var i = 0; i = 0) { element.className = WebForm_TrimString(currentClassName.substring(0, index) + ' ' + currentClassName.substring(index + className.length + 1, currentClassName.length)); } } function WebForm_GetElementById(elementId) { if (document.getElementById) { return document.getElementById(elementId); } else if (document.all) { return document.all[elementId]; } else return null; } function WebForm_GetElementByTagName(element, tagName) { var elements = WebForm_GetElementsByTagName(element, tagName); if (elements && elements.length > 0) { return elements[0]; } else return null; } function WebForm_GetElementsByTagName(element, tagName) { if (element && tagName) { if (element.getElementsByTagName) { return element.getElementsByTagName(tagName); } if (element.all && element.all.tags) { return element.all.tags(tagName); } } return null; } function WebForm_GetElementDir(element) { if (element) { if (element.dir) { return element.dir; } return WebForm_GetElementDir(element.parentNode); } return "ltr"; } function WebForm_GetElementPosition(element) { var result = new Object(); result.x = 0; result.y = 0; result.width = 0; result.height = 0; if (element.offsetParent) { result.x = element.offsetLeft; result.y = element.offsetTop; var parent = element.offsetParent; while (parent) { result.x += parent.offsetLeft; result.y += parent.offsetTop; var parentTagName = parent.tagName.toLowerCase(); if (parentTagName != "table" && parentTagName != "body" && parentTagName != "html" && parentTagName != "div" && parent.clientTop && parent.clientLeft) { result.x += parent.clientLeft; result.y += parent.clientTop; } parent = parent.offsetParent; } } else if (element.left && element.top) { result.x = element.left; result.y = element.top; } else { if (element.x) { result.x = element.x; } if (element.y) { result.y = element.y; } } if (element.offsetWidth && element.offsetHeight) { result.width = element.offsetWidth; result.height = element.offsetHeight; } else if (element.style && element.style.pixelWidth && element.style.pixelHeight) { result.width = element.style.pixelWidth; result.height = element.style.pixelHeight; } return result; } function WebForm_GetParentByTagName(element, tagName) { var parent = element.parentNode; var upperTagName = tagName.toUpperCase(); while (parent && (parent.tagName.toUpperCase() != upperTagName)) { parent = parent.parentNode ? parent.parentNode : parent.parentElement; } return parent; } function WebForm_SetElementHeight(element, height) { if (element && element.style) { element.style.height = height + "px"; } } function WebForm_SetElementWidth(element, width) { if (element && element.style) { element.style.width = width + "px"; } } function WebForm_SetElementX(element, x) { if (element && element.style) { element.style.left = x + "px"; } } function WebForm_SetElementY(element, y) { if (element && element.style) { element.style.top = y + "px"; } }