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Articles / Web Development / ASP.NET

Fast Postback and Model Binding

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4.86/5 (28 votes)
27 Apr 2014CPOL6 min read 37.1K   989   37  
Faster way to save data on postback and simplified model binding with ASP.NET controls
//CdnPath=http://ajax.aspnetcdn.com/ajax/4.5/6/MicrosoftAjaxWebForms.js
//----------------------------------------------------------
// Copyright (C) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------
// MicrosoftAjaxWebForms.js
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this._updatePanelsToUpdate?Array.clone(this._updatePanelsToUpdate):[]}};Sys.WebForms.BeginRequestEventArgs.registerClass("Sys.WebForms.BeginRequestEventArgs",Sys.EventArgs);Sys.WebForms.EndRequestEventArgs=function(c,a,b){Sys.WebForms.EndRequestEventArgs.initializeBase(this);this._errorHandled=false;this._error=c;this._dataItems=a||{};this._response=b};Sys.WebForms.EndRequestEventArgs.prototype={get_dataItems:function(){return this._dataItems},get_error:function(){return this._error},get_errorHandled:function(){return this._errorHandled},set_errorHandled:function(a){this._errorHandled=a},get_response:function(){return 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Sys.EventHandlerList;return this._events},get_isInAsyncPostBack:function(){return 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Page_ClientValidate==="function"&&!Page_ClientValidate(e||null))return;this._postBackSettings=this._createPostBackSettings(true,c,a);var b=this._form;b.__EVENTTARGET.value=a||"";b.__EVENTARGUMENT.value=f||"";this._isCrossPost=false;this._additionalInput=null;this._onFormSubmit()},_cancelPendingCallbacks:function(){for(var a=0,e=window.__pendingCallbacks.length;a<e;a++){var c=window.__pendingCallbacks[a];if(c){if(!c.async)window.__synchronousCallBackIndex=-1;window.__pendingCallbacks[a]=null;var d="__CALLBACKFRAME"+a,b=document.getElementById(d);if(b)b.parentNode.removeChild(b)}}},_commitControls:function(a,b){if(a){this._updatePanelIDs=a.updatePanelIDs;this._updatePanelClientIDs=a.updatePanelClientIDs;this._updatePanelHasChildrenAsTriggers=a.updatePanelHasChildrenAsTriggers;this._asyncPostBackControlIDs=a.asyncPostBackControlIDs;this._asyncPostBackControlClientIDs=a.asyncPostBackControlClientIDs;this._postBackControlIDs=a.postBackControlIDs;this._postBackControlClientIDs=a.postBackControlClientIDs}if(typeof b!=="undefined"&&b!==null)this._asyncPostBackTimeout=b*1000},_createHiddenField:function(c,d){var b,a=document.getElementById(c);if(a)if(!a._isContained)a.parentNode.removeChild(a);else b=a.parentNode;if(!b){b=document.createElement("span");b.style.cssText="display:none !important";this._form.appendChild(b)}b.innerHTML="<input type='hidden' />";a=b.childNodes[0];a._isContained=true;a.id=a.name=c;a.value=d},_createPageRequestManagerTimeoutError:function(){var b="Sys.WebForms.PageRequestManagerTimeoutException: "+Sys.WebForms.Res.PRM_TimeoutError,a=Error.create(b,{name:"Sys.WebForms.PageRequestManagerTimeoutException"});a.popStackFrame();return a},_createPageRequestManagerServerError:function(a,d){var c="Sys.WebForms.PageRequestManagerServerErrorException: "+(d||String.format(Sys.WebForms.Res.PRM_ServerError,a)),b=Error.create(c,{name:"Sys.WebForms.PageRequestManagerServerErrorException",httpStatusCode:a});b.popStackFrame();return b},_createPageRequestManagerParserError:function(b){var c="Sys.WebForms.PageRequestManagerParserErrorException: "+String.format(Sys.WebForms.Res.PRM_ParserError,b),a=Error.create(c,{name:"Sys.WebForms.PageRequestManagerParserErrorException"});a.popStackFrame();return a},_createPanelID:function(e,b){var c=b.asyncTarget,a=this._ensureUniqueIds(e||b.panelsToUpdate),d=a instanceof Array?a.join(","):a||this._scriptManagerID;if(c)d+="|"+c;return encodeURIComponent(this._scriptManagerID)+"="+encodeURIComponent(d)+"&"},_createPostBackSettings:function(d,a,c,b){return {async:d,asyncTarget:c,panelsToUpdate:a,sourceElement:b}},_convertToClientIDs:function(a,f,e,d){if(a)for(var b=0,h=a.length;b<h;b+=d?2:1){var c=a[b],g=(d?a[b+1]:"")||this._uniqueIDToClientID(c);Array.add(f,c);Array.add(e,g)}},dispose:function(){if(this._form){Sys.UI.DomEvent.removeHandler(this._form,"submit",this._onFormSubmitHandler);Sys.UI.DomEvent.removeHandler(this._form,"click",this._onFormElementClickHandler);Sys.UI.DomEvent.removeHandler(window,"unload",this._onWindowUnloadHandler);Sys.UI.DomEvent.removeHandler(window,"load",this._pageLoadedHandler)}if(this._originalDoPostBack){window.__doPostBack=this._originalDoPostBack;this._originalDoPostBack=null}if(this._originalDoPostBackWithOptions){window.WebForm_DoPostBackWithOptions=this._originalDoPostBackWithOptions;this._originalDoPostBackWithOptions=null}if(this._originalFireDefaultButton){window.WebForm_FireDefaultButton=this._originalFireDefaultButton;this._originalFireDefaultButton=null}if(this._originalDoCallback){window.WebForm_DoCallback=this._originalDoCallback;this._originalDoCallback=null}this._form=null;this._updatePanelIDs=null;this._updatePanelClientIDs=null;this._asyncPostBackControlIDs=null;this._asyncPostBackControlClientIDs=null;this._postBackControlIDs=null;this._postBackControlClientIDs=null;this._asyncPostBackTimeout=null;this._scrollPosition=null;this._activeElement=null},_doCallback:function(d,b,c,f,a,e){if(!this.get_isInAsyncPostBack())this._originalDoCallback(d,b,c,f,a,e)},_doPostBack:function(a,k){var f=window.event;if(!f){var d=arguments.callee?arguments.callee.caller:null;if(d){var j=30;while(d.arguments.callee.caller&&--j)d=d.arguments.callee.caller;f=j&&d.arguments.length?d.arguments[0]:null}}this._additionalInput=null;var h=this._form;if(a===null||typeof a==="undefined"||this._isCrossPost){this._postBackSettings=this._createPostBackSettings(false);this._isCrossPost=false}else{var c=this._masterPageUniqueID,l=this._uniqueIDToClientID(a),g=document.getElementById(l);if(!g&&c)if(a.indexOf(c+"$")===0)g=document.getElementById(l.substr(c.length+1));if(!g)if(Array.contains(this._asyncPostBackControlIDs,a))this._postBackSettings=this._createPostBackSettings(true,null,a);else if(Array.contains(this._postBackControlIDs,a))this._postBackSettings=this._createPostBackSettings(false);else{var e=this._findNearestElement(a);if(e)this._postBackSettings=this._getPostBackSettings(e,a);else{if(c){c+="$";if(a.indexOf(c)===0)e=this._findNearestElement(a.substr(c.length))}if(e)this._postBackSettings=this._getPostBackSettings(e,a);else{var b;try{b=f?f.target||f.srcElement:null}catch(n){}b=b||this._activeElement;var m=/__doPostBack\(|WebForm_DoPostBackWithOptions\(/;function i(b){b=b?b.toString():"";return m.test(b)&&b.indexOf("'"+a+"'")!==-1||b.indexOf('"'+a+'"')!==-1}if(b&&(b.name===a||i(b.href)||i(b.onclick)||i(b.onchange)))this._postBackSettings=this._getPostBackSettings(b,a);else this._postBackSettings=this._createPostBackSettings(false)}}}else this._postBackSettings=this._getPostBackSettings(g,a)}if(!this._postBackSettings.async){h.onsubmit=this._onsubmit;this._originalDoPostBack(a,k);h.onsubmit=null;return}h.__EVENTTARGET.value=a;h.__EVENTARGUMENT.value=k;this._onFormSubmit()},_doPostBackWithOptions:function(a){this._isCrossPost=a&&a.actionUrl;var d=true;if(a.validation)if(typeof Page_ClientValidate=="function")d=Page_ClientValidate(a.validationGroup);if(d){if(typeof a.actionUrl!="undefined"&&a.actionUrl!=null&&a.actionUrl.length>0)theForm.action=a.actionUrl;if(a.trackFocus){var c=theForm.elements["__LASTFOCUS"];if(typeof c!="undefined"&&c!=null)if(typeof document.activeElement=="undefined")c.value=a.eventTarget;else{var b=document.activeElement;if(typeof b!="undefined"&&b!=null)if(typeof b.id!="undefined"&&b.id!=null&&b.id.length>0)c.value=b.id;else if(typeof b.name!="undefined")c.value=b.name}}}if(a.clientSubmit)this._doPostBack(a.eventTarget,a.eventArgument)},_elementContains:function(b,a){while(a){if(a===b)return true;a=a.parentNode}return false},_endPostBack:function(a,d,f){if(this._request===d.get_webRequest()){this._processingRequest=false;this._additionalInput=null;this._request=null}var e=this._get_eventHandlerList().getHandler("endRequest"),b=false;if(e){var c=new Sys.WebForms.EndRequestEventArgs(a,f?f.dataItems:{},d);e(this,c);b=c.get_errorHandled()}if(a&&!b)throw a},_ensureUniqueIds:function(a){if(!a)return a;a=a instanceof Array?a:[a];var c=[];for(var b=0,f=a.length;b<f;b++){var e=a[b],d=Array.indexOf(this._updatePanelClientIDs,e);c.push(d>-1?this._updatePanelIDs[d]:e)}return c},_findNearestElement:function(a){while(a.length>0){var d=this._uniqueIDToClientID(a),c=document.getElementById(d);if(c)return c;var b=a.lastIndexOf("$");if(b===-1)return null;a=a.substring(0,b)}return null},_findText:function(b,a){var c=Math.max(0,a-20),d=Math.min(b.length,a+20);return b.substring(c,d)},_fireDefaultButton:function(a,d){if(a.keyCode===13){var c=a.srcElement||a.target;if(!c||c.tagName.toLowerCase()!=="textarea"){var b=document.getElementById(d);if(b&&typeof b.click!=="undefined"){this._activeDefaultButton=b;this._activeDefaultButtonClicked=false;try{b.click()}finally{this._activeDefaultButton=null}a.cancelBubble=true;if(typeof a.stopPropagation==="function")a.stopPropagation();return false}}}return true},_getPageLoadedEventArgs:function(n,c){var m=[],l=[],k=c?c.version4:false,d=c?c.updatePanelData:null,e,g,h,b;if(!d){e=this._updatePanelIDs;g=this._updatePanelClientIDs;h=null;b=null}else{e=d.updatePanelIDs;g=d.updatePanelClientIDs;h=d.childUpdatePanelIDs;b=d.panelsToRefreshIDs}var a,f,j,i;if(b)for(a=0,f=b.length;a<f;a+=k?2:1){j=b[a];i=(k?b[a+1]:"")||this._uniqueIDToClientID(j);Array.add(m,document.getElementById(i))}for(a=0,f=e.length;a<f;a++)if(n||Array.indexOf(h,e[a])!==-1)Array.add(l,document.getElementById(g[a]));return new Sys.WebForms.PageLoadedEventArgs(m,l,c?c.dataItems:{})},_getPageLoadingEventArgs:function(f){var j=[],i=[],c=f.updatePanelData,k=c.oldUpdatePanelIDs,l=c.oldUpdatePanelClientIDs,n=c.updatePanelIDs,m=c.childUpdatePanelIDs,d=c.panelsToRefreshIDs,a,e,b,g,h=f.version4;for(a=0,e=d.length;a<e;a+=h?2:1){b=d[a];g=(h?d[a+1]:"")||this._uniqueIDToClientID(b);Array.add(j,document.getElementById(g))}for(a=0,e=k.length;a<e;a++){b=k[a];if(Array.indexOf(d,b)===-1&&(Array.indexOf(n,b)===-1||Array.indexOf(m,b)>-1))Array.add(i,document.getElementById(l[a]))}return new Sys.WebForms.PageLoadingEventArgs(j,i,f.dataItems)},_getPostBackSettings:function(a,c){var d=a,b=null;while(a){if(a.id){if(!b&&Array.contains(this._asyncPostBackControlClientIDs,a.id))b=this._createPostBackSettings(true,null,c,d);else if(!b&&Array.contains(this._postBackControlClientIDs,a.id))return this._createPostBackSettings(false);else{var e=Array.indexOf(this._updatePanelClientIDs,a.id);if(e!==-1)if(this._updatePanelHasChildrenAsTriggers[e])return this._createPostBackSettings(true,[this._updatePanelIDs[e]],c,d);else return this._createPostBackSettings(true,null,c,d)}if(!b&&this._matchesParentIDInList(a.id,this._asyncPostBackControlClientIDs))b=this._createPostBackSettings(true,null,c,d);else if(!b&&this._matchesParentIDInList(a.id,this._postBackControlClientIDs))return this._createPostBackSettings(false)}a=a.parentNode}if(!b)return this._createPostBackSettings(false);else return b},_getScrollPosition:function(){var a=document.documentElement;if(a&&(this._validPosition(a.scrollLeft)||this._validPosition(a.scrollTop)))return {x:a.scrollLeft,y:a.scrollTop};else{a=document.body;if(a&&(this._validPosition(a.scrollLeft)||this._validPosition(a.scrollTop)))return {x:a.scrollLeft,y:a.scrollTop};else if(this._validPosition(window.pageXOffset)||this._validPosition(window.pageYOffset))return {x:window.pageXOffset,y:window.pageYOffset};else return {x:0,y:0}}},_initializeInternal:function(f,g,a,b,e,c,d){if(this._prmInitialized)throw Error.invalidOperation(Sys.WebForms.Res.PRM_CannotRegisterTwice);this._prmInitialized=true;this._masterPageUniqueID=d;this._scriptManagerID=f;this._form=Sys.UI.DomElement.resolveElement(g);this._onsubmit=this._form.onsubmit;this._form.onsubmit=null;this._onFormSubmitHandler=Function.createDelegate(this,this._onFormSubmit);this._onFormElementClickHandler=Function.createDelegate(this,this._onFormElementClick);this._onWindowUnloadHandler=Function.createDelegate(this,this._onWindowUnload);Sys.UI.DomEvent.addHandler(this._form,"submit",this._onFormSubmitHandler);Sys.UI.DomEvent.addHandler(this._form,"click",this._onFormElementClickHandler);Sys.UI.DomEvent.addHandler(window,"unload",this._onWindowUnloadHandler);this._originalDoPostBack=window.__doPostBack;if(this._originalDoPostBack)window.__doPostBack=Function.createDelegate(this,this._doPostBack);this._originalDoPostBackWithOptions=window.WebForm_DoPostBackWithOptions;if(this._originalDoPostBackWithOptions)window.WebForm_DoPostBackWithOptions=Function.createDelegate(this,this._doPostBackWithOptions);this._originalFireDefaultButton=window.WebForm_FireDefaultButton;if(this._originalFireDefaultButton)window.WebForm_FireDefaultButton=Function.createDelegate(this,this._fireDefaultButton);this._originalDoCallback=window.WebForm_DoCallback;if(this._originalDoCallback)window.WebForm_DoCallback=Function.createDelegate(this,this._doCallback);this._pageLoadedHandler=Function.createDelegate(this,this._pageLoadedInitialLoad);Sys.UI.DomEvent.addHandler(window,"load",this._pageLoadedHandler);if(a)this._updateControls(a,b,e,c,true)},_matchesParentIDInList:function(c,b){for(var a=0,d=b.length;a<d;a++)if(c.startsWith(b[a]+"_"))return true;return false},_onFormElementActive:function(a,d,e){if(a.disabled)return;this._activeElement=a;this._postBackSettings=this._getPostBackSettings(a,a.name);if(a.name){var b=a.tagName.toUpperCase();if(b==="INPUT"){var c=a.type;if(c==="submit")this._additionalInput=encodeURIComponent(a.name)+"="+encodeURIComponent(a.value);else if(c==="image")this._additionalInput=encodeURIComponent(a.name)+".x="+d+"&"+encodeURIComponent(a.name)+".y="+e}else if(b==="BUTTON"&&a.name.length!==0&&a.type==="submit")this._additionalInput=encodeURIComponent(a.name)+"="+encodeURIComponent(a.value)}},_onFormElementClick:function(a){this._activeDefaultButtonClicked=a.target===this._activeDefaultButton;this._onFormElementActive(a.target,a.offsetX,a.offsetY)},_onFormSubmit:function(i){var f,x,h=true,z=this._isCrossPost;this._isCrossPost=false;if(this._onsubmit)h=this._onsubmit();if(h)for(f=0,x=this._onSubmitStatements.length;f<x;f++)if(!this._onSubmitStatements[f]()){h=false;break}if(!h){if(i)i.preventDefault();return}var w=this._form;if(z)return;if(this._activeDefaultButton&&!this._activeDefaultButtonClicked)this._onFormElementActive(this._activeDefaultButton,0,0);if(!this._postBackSettings||!this._postBackSettings.async)return;var b=new Sys.StringBuilder,s=w.elements,B=s.length,t=this._createPanelID(null,this._postBackSettings);b.append(t);for(f=0;f<B;f++){var e=s[f],g=e.name;if(typeof g==="undefined"||g===null||g.length===0||g===this._scriptManagerID)continue;var n=e.tagName.toUpperCase();if(n==="INPUT"){var p=e.type;if(this._textTypes.test(p)||(p==="checkbox"||p==="radio")&&e.checked){b.append(encodeURIComponent(g));b.append("=");b.append(encodeURIComponent(e.value));b.append("&")}}else if(n==="SELECT"){var A=e.options.length;for(var q=0;q<A;q++){var u=e.options[q];if(u.selected){b.append(encodeURIComponent(g));b.append("=");b.append(encodeURIComponent(u.value));b.append("&")}}}else if(n==="TEXTAREA"){b.append(encodeURIComponent(g));b.append("=");b.append(encodeURIComponent(e.value));b.append("&")}}b.append("__ASYNCPOST=true&");if(this._additionalInput){b.append(this._additionalInput);this._additionalInput=null}var c=new Sys.Net.WebRequest,a=w.action;if(Sys.Browser.agent===Sys.Browser.InternetExplorer){var r=a.indexOf("#");if(r!==-1)a=a.substr(0,r);var o="",v="",m=a.indexOf("?");if(m!==-1){v=a.substr(m);a=a.substr(0,m)}if(/^https?\:\/\/.*$/gi.test(a)){var y=a.indexOf("//")+2,l=a.indexOf("/",y);if(l===-1){o=a;a=""}else{o=a.substr(0,l);a=a.substr(l)}}a=o+encodeURI(decodeURI(a))+v}c.set_url(a);c.get_headers()["X-MicrosoftAjax"]="Delta=true";c.get_headers()["Cache-Control"]="no-cache";c.set_timeout(this._asyncPostBackTimeout);c.add_completed(Function.createDelegate(this,this._onFormSubmitCompleted));c.set_body(b.toString());var j,d,k=this._get_eventHandlerList().getHandler("initializeRequest");if(k){j=this._postBackSettings.panelsToUpdate;d=new Sys.WebForms.InitializeRequestEventArgs(c,this._postBackSettings.sourceElement,j);k(this,d);h=!d.get_cancel()}if(!h){if(i)i.preventDefault();return}if(d&&d._updated){j=d.get_updatePanelsToUpdate();c.set_body(c.get_body().replace(t,this._createPanelID(j,this._postBackSettings)))}this._scrollPosition=this._getScrollPosition();this.abortPostBack();k=this._get_eventHandlerList().getHandler("beginRequest");if(k){d=new Sys.WebForms.BeginRequestEventArgs(c,this._postBackSettings.sourceElement,j||this._postBackSettings.panelsToUpdate);k(this,d)}if(this._originalDoCallback)this._cancelPendingCallbacks();this._request=c;this._processingRequest=false;c.invoke();if(i)i.preventDefault()},_onFormSubmitCompleted:function(c){this._processingRequest=true;if(c.get_timedOut()){this._endPostBack(this._createPageRequestManagerTimeoutError(),c,null);return}if(c.get_aborted()){this._endPostBack(null,c,null);return}if(!this._request||c.get_webRequest()!==this._request)return;if(c.get_statusCode()!==200){this._endPostBack(this._createPageRequestManagerServerError(c.get_statusCode()),c,null);return}var a=this._parseDelta(c);if(!a)return;var b,e;if(a.asyncPostBackControlIDsNode&&a.postBackControlIDsNode&&a.updatePanelIDsNode&&a.panelsToRefreshNode&&a.childUpdatePanelIDsNode){var r=this._updatePanelIDs,n=this._updatePanelClientIDs,i=a.childUpdatePanelIDsNode.content,p=i.length?i.split(","):[],m=this._splitNodeIntoArray(a.asyncPostBackControlIDsNode),o=this._splitNodeIntoArray(a.postBackControlIDsNode),q=this._splitNodeIntoArray(a.updatePanelIDsNode),g=this._splitNodeIntoArray(a.panelsToRefreshNode),h=a.version4;for(b=0,e=g.length;b<e;b+=h?2:1){var j=(h?g[b+1]:"")||this._uniqueIDToClientID(g[b]);if(!document.getElementById(j)){this._endPostBack(Error.invalidOperation(String.format(Sys.WebForms.Res.PRM_MissingPanel,j)),c,a);return}}var f=this._processUpdatePanelArrays(q,m,o,h);f.oldUpdatePanelIDs=r;f.oldUpdatePanelClientIDs=n;f.childUpdatePanelIDs=p;f.panelsToRefreshIDs=g;a.updatePanelData=f}a.dataItems={};var d;for(b=0,e=a.dataItemNodes.length;b<e;b++){d=a.dataItemNodes[b];a.dataItems[d.id]=d.content}for(b=0,e=a.dataItemJsonNodes.length;b<e;b++){d=a.dataItemJsonNodes[b];a.dataItems[d.id]=Sys.Serialization.JavaScriptSerializer.deserialize(d.content)}var l=this._get_eventHandlerList().getHandler("pageLoading");if(l)l(this,this._getPageLoadingEventArgs(a));Sys._ScriptLoader.readLoadedScripts();Sys.Application.beginCreateComponents();var k=Sys._ScriptLoader.getInstance();this._queueScripts(k,a.scriptBlockNodes,true,false);this._processingRequest=true;k.loadScripts(0,Function.createDelegate(this,Function.createCallback(this._scriptIncludesLoadComplete,a)),Function.createDelegate(this,Function.createCallback(this._scriptIncludesLoadFailed,a)),null)},_onWindowUnload:function(){this.dispose()},_pageLoaded:function(a,c){var b=this._get_eventHandlerList().getHandler("pageLoaded");if(b)b(this,this._getPageLoadedEventArgs(a,c));if(!a)Sys.Application.raiseLoad()},_pageLoadedInitialLoad:function(){this._pageLoaded(true,null)},_parseDelta:function(h){var c=h.get_responseData(),d,i,E,F,D,b=0,e=null,k=[];while(b<c.length){d=c.indexOf("|",b);if(d===-1){e=this._findText(c,b);break}i=parseInt(c.substring(b,d),10);if(i%1!==0){e=this._findText(c,b);break}b=d+1;d=c.indexOf("|",b);if(d===-1){e=this._findText(c,b);break}E=c.substring(b,d);b=d+1;d=c.indexOf("|",b);if(d===-1){e=this._findText(c,b);break}F=c.substring(b,d);b=d+1;if(b+i>=c.length){e=this._findText(c,c.length);break}D=c.substr(b,i);b+=i;if(c.charAt(b)!=="|"){e=this._findText(c,b);break}b++;Array.add(k,{type:E,id:F,content:D})}if(e){this._endPostBack(this._createPageRequestManagerParserError(String.format(Sys.WebForms.Res.PRM_ParserErrorDetails,e)),h,null);return null}var x=[],w=[],q=[],j=[],t=[],C=[],A=[],z=[],v=[],s=[],m,p,u,n,o,r,y,g;for(var l=0,G=k.length;l<G;l++){var a=k[l];switch(a.type){case "#":g=a;break;case "updatePanel":Array.add(x,a);break;case "hiddenField":Array.add(w,a);break;case "arrayDeclaration":Array.add(q,a);break;case "scriptBlock":Array.add(j,a);break;case "fallbackScript":j[j.length-1].fallback=a.id;case "scriptStartupBlock":Array.add(t,a);break;case "expando":Array.add(C,a);break;case "onSubmit":Array.add(A,a);break;case "asyncPostBackControlIDs":m=a;break;case "postBackControlIDs":p=a;break;case "updatePanelIDs":u=a;break;case "asyncPostBackTimeout":n=a;break;case "childUpdatePanelIDs":o=a;break;case "panelsToRefreshIDs":r=a;break;case "formAction":y=a;break;case "dataItem":Array.add(z,a);break;case "dataItemJson":Array.add(v,a);break;case "scriptDispose":Array.add(s,a);break;case "pageRedirect":if(g&&parseFloat(g.content)>=4)a.content=unescape(a.content);if(Sys.Browser.agent===Sys.Browser.InternetExplorer){var f=document.createElement("a");f.style.display="none";f.attachEvent("onclick",B);f.href=a.content;this._form.parentNode.insertBefore(f,this._form);f.click();f.detachEvent("onclick",B);this._form.parentNode.removeChild(f);function B(a){a.cancelBubble=true}}else window.location.href=a.content;return null;case "error":this._endPostBack(this._createPageRequestManagerServerError(Number.parseInvariant(a.id),a.content),h,null);return null;case "pageTitle":document.title=a.content;break;case "focus":this._controlIDToFocus=a.content;break;default:this._endPostBack(this._createPageRequestManagerParserError(String.format(Sys.WebForms.Res.PRM_UnknownToken,a.type)),h,null);return null}}return {version4:g?parseFloat(g.content)>=4:false,executor:h,updatePanelNodes:x,hiddenFieldNodes:w,arrayDeclarationNodes:q,scriptBlockNodes:j,scriptStartupNodes:t,expandoNodes:C,onSubmitNodes:A,dataItemNodes:z,dataItemJsonNodes:v,scriptDisposeNodes:s,asyncPostBackControlIDsNode:m,postBackControlIDsNode:p,updatePanelIDsNode:u,asyncPostBackTimeoutNode:n,childUpdatePanelIDsNode:o,panelsToRefreshNode:r,formActionNode:y}},_processUpdatePanelArrays:function(e,q,r,f){var d,c,b;if(e){var i=e.length,j=f?2:1;d=new Array(i/j);c=new Array(i/j);b=new Array(i/j);for(var g=0,h=0;g<i;g+=j,h++){var p,a=e[g],k=f?e[g+1]:"";p=a.charAt(0)==="t";a=a.substr(1);if(!k)k=this._uniqueIDToClientID(a);b[h]=p;d[h]=a;c[h]=k}}else{d=[];c=[];b=[]}var n=[],l=[];this._convertToClientIDs(q,n,l,f);var o=[],m=[];this._convertToClientIDs(r,o,m,f);return {updatePanelIDs:d,updatePanelClientIDs:c,updatePanelHasChildrenAsTriggers:b,asyncPostBackControlIDs:n,asyncPostBackControlClientIDs:l,postBackControlIDs:o,postBackControlClientIDs:m}},_queueScripts:function(scriptLoader,scriptBlockNodes,queueIncludes,queueBlocks){for(var i=0,l=scriptBlockNodes.length;i<l;i++){var scriptBlockType=scriptBlockNodes[i].id;switch(scriptBlockType){case "ScriptContentNoTags":if(!queueBlocks)continue;scriptLoader.queueScriptBlock(scriptBlockNodes[i].content);break;case "ScriptContentWithTags":var scriptTagAttributes;eval("scriptTagAttributes = "+scriptBlockNodes[i].content);if(scriptTagAttributes.src){if(!queueIncludes||Sys._ScriptLoader.isScriptLoaded(scriptTagAttributes.src))continue}else if(!queueBlocks)continue;scriptLoader.queueCustomScriptTag(scriptTagAttributes);break;case "ScriptPath":var script=scriptBlockNodes[i];if(!queueIncludes||Sys._ScriptLoader.isScriptLoaded(script.content))continue;scriptLoader.queueScriptReference(script.content,script.fallback)}}},_registerDisposeScript:function(a,b){if(!this._scriptDisposes[a])this._scriptDisposes[a]=[b];else Array.add(this._scriptDisposes[a],b)},_scriptIncludesLoadComplete:function(e,b){if(b.executor.get_webRequest()!==this._request)return;this._commitControls(b.updatePanelData,b.asyncPostBackTimeoutNode?b.asyncPostBackTimeoutNode.content:null);if(b.formActionNode)this._form.action=b.formActionNode.content;var a,d,c;for(a=0,d=b.updatePanelNodes.length;a<d;a++){c=b.updatePanelNodes[a];var j=document.getElementById(c.id);if(!j){this._endPostBack(Error.invalidOperation(String.format(Sys.WebForms.Res.PRM_MissingPanel,c.id)),b.executor,b);return}this._updatePanel(j,c.content)}for(a=0,d=b.scriptDisposeNodes.length;a<d;a++){c=b.scriptDisposeNodes[a];this._registerDisposeScript(c.id,c.content)}for(a=0,d=this._transientFields.length;a<d;a++){var g=document.getElementById(this._transientFields[a]);if(g){var k=g._isContained?g.parentNode:g;k.parentNode.removeChild(k)}}for(a=0,d=b.hiddenFieldNodes.length;a<d;a++){c=b.hiddenFieldNodes[a];this._createHiddenField(c.id,c.content)}if(b.scriptsFailed)throw Sys._ScriptLoader._errorScriptLoadFailed(b.scriptsFailed.src,b.scriptsFailed.multipleCallbacks);this._queueScripts(e,b.scriptBlockNodes,false,true);var i="";for(a=0,d=b.arrayDeclarationNodes.length;a<d;a++){c=b.arrayDeclarationNodes[a];i+="Sys.WebForms.PageRequestManager._addArrayElement('"+c.id+"', "+c.content+");\r\n"}var h="";for(a=0,d=b.expandoNodes.length;a<d;a++){c=b.expandoNodes[a];h+=c.id+" = "+c.content+"\r\n"}if(i.length)e.queueScriptBlock(i);if(h.length)e.queueScriptBlock(h);this._queueScripts(e,b.scriptStartupNodes,true,true);var f="";for(a=0,d=b.onSubmitNodes.length;a<d;a++){if(a===0)f="Array.add(Sys.WebForms.PageRequestManager.getInstance()._onSubmitStatements, function() {\r\n";f+=b.onSubmitNodes[a].content+"\r\n"}if(f.length){f+="\r\nreturn true;\r\n});\r\n";e.queueScriptBlock(f)}e.loadScripts(0,Function.createDelegate(this,Function.createCallback(this._scriptsLoadComplete,b)),null,null)},_scriptIncludesLoadFailed:function(d,c,b,a){a.scriptsFailed={src:c.src,multipleCallbacks:b};this._scriptIncludesLoadComplete(d,a)},_scriptsLoadComplete:function(f,c){var e=c.executor;if(window.__theFormPostData)window.__theFormPostData="";if(window.__theFormPostCollection)window.__theFormPostCollection=[];if(window.WebForm_InitCallback)window.WebForm_InitCallback();if(this._scrollPosition){if(window.scrollTo)window.scrollTo(this._scrollPosition.x,this._scrollPosition.y);this._scrollPosition=null}Sys.Application.endCreateComponents();this._pageLoaded(false,c);this._endPostBack(null,e,c);if(this._controlIDToFocus){var a,d;if(Sys.Browser.agent===Sys.Browser.InternetExplorer){var b=$get(this._controlIDToFocus);a=b;if(b&&!WebForm_CanFocus(b))a=WebForm_FindFirstFocusableChild(b);if(a&&typeof a.contentEditable!=="undefined"){d=a.contentEditable;a.contentEditable=false}else a=null}WebForm_AutoFocus(this._controlIDToFocus);if(a)a.contentEditable=d;this._controlIDToFocus=null}},_splitNodeIntoArray:function(b){var a=b.content,c=a.length?a.split(","):[];return c},_uniqueIDToClientID:function(a){return a.replace(/\$/g,"_")},_updateControls:function(d,a,c,b,e){this._commitControls(this._processUpdatePanelArrays(d,a,c,e),b)},_updatePanel:function(updatePanelElement,rendering){for(var updatePanelID in this._scriptDisposes)if(this._elementContains(updatePanelElement,document.getElementById(updatePanelID))){var disposeScripts=this._scriptDisposes[updatePanelID];for(var i=0,l=disposeScripts.length;i<l;i++)eval(disposeScripts[i]);delete this._scriptDisposes[updatePanelID]}Sys.Application.disposeElement(updatePanelElement,true);updatePanelElement.innerHTML=rendering},_validPosition:function(a){return typeof a!=="undefined"&&a!==null&&a!==0}};Sys.WebForms.PageRequestManager.getInstance=function(){var a=Sys.WebForms.PageRequestManager._instance;if(!a)a=Sys.WebForms.PageRequestManager._instance=new Sys.WebForms.PageRequestManager;return a};Sys.WebForms.PageRequestManager._addArrayElement=function(a){if(!window[a])window[a]=[];for(var b=1,c=arguments.length;b<c;b++)Array.add(window[a],arguments[b])};Sys.WebForms.PageRequestManager._initialize=function(){var a=Sys.WebForms.PageRequestManager.getInstance();a._initializeInternal.apply(a,arguments)};Sys.WebForms.PageRequestManager.registerClass("Sys.WebForms.PageRequestManager");Sys.UI._UpdateProgress=function(a){Sys.UI._UpdateProgress.initializeBase(this,[a]);this._displayAfter=500;this._dynamicLayout=true;this._associatedUpdatePanelId=null;this._beginRequestHandlerDelegate=null;this._startDelegate=null;this._endRequestHandlerDelegate=null;this._pageRequestManager=null;this._timerCookie=null};Sys.UI._UpdateProgress.prototype={get_displayAfter:function(){return this._displayAfter},set_displayAfter:function(a){this._displayAfter=a},get_dynamicLayout:function(){return this._dynamicLayout},set_dynamicLayout:function(a){this._dynamicLayout=a},get_associatedUpdatePanelId:function(){return this._associatedUpdatePanelId},set_associatedUpdatePanelId:function(a){this._associatedUpdatePanelId=a},get_role:function(){return "status"},_clearTimeout:function(){if(this._timerCookie){window.clearTimeout(this._timerCookie);this._timerCookie=null}},_getUniqueID:function(b){var a=Array.indexOf(this._pageRequestManager._updatePanelClientIDs,b);return a===-1?null:this._pageRequestManager._updatePanelIDs[a]},_handleBeginRequest:function(f,e){var b=e.get_postBackElement(),a=true,d=this._associatedUpdatePanelId;if(this._associatedUpdatePanelId){var c=e.get_updatePanelsToUpdate();if(c&&c.length)a=Array.contains(c,d)||Array.contains(c,this._getUniqueID(d));else a=false}while(!a&&b){if(b.id&&this._associatedUpdatePanelId===b.id)a=true;b=b.parentNode}if(a)this._timerCookie=window.setTimeout(this._startDelegate,this._displayAfter)},_startRequest:function(){if(this._pageRequestManager.get_isInAsyncPostBack()){var a=this.get_element();if(this._dynamicLayout)a.style.display="block";else a.style.visibility="visible";if(this.get_role()==="status")a.setAttribute("aria-hidden","false")}this._timerCookie=null},_handleEndRequest:function(){var a=this.get_element();if(this._dynamicLayout)a.style.display="none";else a.style.visibility="hidden";if(this.get_role()==="status")a.setAttribute("aria-hidden","true");this._clearTimeout()},dispose:function(){if(this._beginRequestHandlerDelegate!==null){this._pageRequestManager.remove_beginRequest(this._beginRequestHandlerDelegate);this._pageRequestManager.remove_endRequest(this._endRequestHandlerDelegate);this._beginRequestHandlerDelegate=null;this._endRequestHandlerDelegate=null}this._clearTimeout();Sys.UI._UpdateProgress.callBaseMethod(this,"dispose")},initialize:function(){Sys.UI._UpdateProgress.callBaseMethod(this,"initialize");if(this.get_role()==="status")this.get_element().setAttribute("aria-hidden","true");this._beginRequestHandlerDelegate=Function.createDelegate(this,this._handleBeginRequest);this._endRequestHandlerDelegate=Function.createDelegate(this,this._handleEndRequest);this._startDelegate=Function.createDelegate(this,this._startRequest);if(Sys.WebForms&&Sys.WebForms.PageRequestManager)this._pageRequestManager=Sys.WebForms.PageRequestManager.getInstance();if(this._pageRequestManager!==null){this._pageRequestManager.add_beginRequest(this._beginRequestHandlerDelegate);this._pageRequestManager.add_endRequest(this._endRequestHandlerDelegate)}}};Sys.UI._UpdateProgress.registerClass("Sys.UI._UpdateProgress",Sys.UI.Control);
Type.registerNamespace('Sys.WebForms');Sys.WebForms.Res={'PRM_UnknownToken':'Unknown token: \'{0}\'.','PRM_MissingPanel':'Could not find UpdatePanel with ID \'{0}\'. If it is being updated dynamically then it must be inside another UpdatePanel.','PRM_ServerError':'An unknown error occurred while processing the request on the server. The status code returned from the server was: {0}','PRM_ParserError':'The message received from the server could not be parsed. Common causes for this error are when the response is modified by calls to Response.Write(), response filters, HttpModules, or server trace is enabled.\r\nDetails: {0}','PRM_TimeoutError':'The server request timed out.','PRM_ParserErrorDetails':'Error parsing near \'{0}\'.','PRM_CannotRegisterTwice':'The PageRequestManager cannot be initialized more than once.'};

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Written By
Architect
India India
Anurag Gandhi is a Freelance Developer and Consultant, Architect, Blogger, Speaker, and Ex Microsoft Employee. He is passionate about programming.
He is extensively involved in Asp.Net Core, MVC/Web API, Node/Express, Microsoft Azure/Cloud, web application hosting/architecture, Angular, AngularJs, design, and development. His languages of choice are C#, Node/Express, JavaScript, Asp .NET MVC, Asp, C, C++. He is familiar with many other programming languages as well. He mostly works with MS SQL Server as the preferred database and has worked with Redis, MySQL, Oracle, MS Access, etc. also.
He is active in programming communities and loves to share the knowledge with others whenever he gets the time for it.
He is also a passionate chess player.
Linked in Profile: https://in.linkedin.com/in/anuraggandhi
He can be contacted at soft.gandhi@gmail.com

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