Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / HtmlForm.cs / 1305376 / HtmlForm.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- // HtmlForm.cs // namespace System.Web.UI.HtmlControls { using System.ComponentModel; using System; using System.Collections; using System.Globalization; using System.IO; using System.Text; using System.Web.Configuration; using System.Web.Util; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.Security; using System.Security.Permissions; ////// public class HtmlForm: HtmlContainerControl { private string _defaultFocus; private string _defaultButton; private bool _submitDisabledControls; private const string _aspnetFormID = "aspnetForm"; ////// The ///class defines the methods, properties, and /// events for the HtmlForm control. This class provides programmatic access to the /// HTML <form> element on the server. /// /// public HtmlForm() : base("form") { } [ WebCategory("Behavior"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public string Action { get { string s = Attributes["action"]; return ((s != null) ? s : String.Empty); } set { Attributes["action"] = MapStringAttributeToString(value); } } ////// Gets or sets default button for the form /// [ WebCategory("Behavior"), DefaultValue(""), ] public string DefaultButton { get { if (_defaultButton == null) { return String.Empty; } return _defaultButton; } set { _defaultButton = value; } } ////// Gets or sets default focused control for the form /// [ WebCategory("Behavior"), DefaultValue(""), ] public string DefaultFocus { get { if (_defaultFocus == null) { return String.Empty; } return _defaultFocus; } set { _defaultFocus = value; } } /* * Encode Type property. */ ////// [ WebCategory("Behavior"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public string Enctype { get { string s = Attributes["enctype"]; return((s != null) ? s : String.Empty); } set { Attributes["enctype"] = MapStringAttributeToString(value); } } /* * Method property. */ ////// Gets or sets the Enctype attribute of the form. This is /// the encoding type that browsers /// use when posting the form's data to the server. /// ////// [ WebCategory("Behavior"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public string Method { get { string s = Attributes["method"]; return((s != null) ? s : "post"); } set { Attributes["method"] = MapStringAttributeToString(value); } } /* * Name property. */ ////// Gets or sets the Method attribute for the form. This defines how a browser /// posts form data to the server for processing. The two common methods supported /// by all browsers are GET and POST. /// ////// [ WebCategory("Appearance"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public virtual string Name { get { return UniqueID; } set { // no-op setter to prevent the name from being set } } ////// Gets the value of the HTML Name attribute that will be rendered to the /// browser. /// ////// If true, forces controls disabled on the client to submit their values (thus preserving their previous postback state) /// [ WebCategory("Behavior"), DefaultValue(false) ] public virtual bool SubmitDisabledControls { get { return _submitDisabledControls; } set { _submitDisabledControls = value; } } /* * Target property. */ /// /// [ WebCategory("Behavior"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public string Target { get { string s = Attributes["target"]; return((s != null) ? s : String.Empty); } set { Attributes["target"] = MapStringAttributeToString(value); } } ////// Gets or sets the Uri of the frame or window to render the results of a Form /// POST request. Developers can use this property to redirect these results to /// another browser window or frame. /// ////// Overridden to return a constant value or tack the ID onto the same constant value. /// This fixes a bug in PocketPC which doesn't allow the name and ID of a form to be different /// public override string UniqueID { get { if (NamingContainer == Page) { return base.UniqueID; } else if (this.EffectiveClientIDMode != ClientIDMode.AutoID) { return ID ?? _aspnetFormID; } return _aspnetFormID; } } public override string ClientID { get { if (this.EffectiveClientIDMode != ClientIDMode.AutoID) { return ID; } return base.ClientID; } } protected internal override void Render(HtmlTextWriter output) { Page p = Page; if (p == null) throw new HttpException(SR.GetString(SR.Form_Needs_Page)); #pragma warning disable 0618 // To avoid deprecation warning if (p.SmartNavigation) { #pragma warning restore 0618 ((IAttributeAccessor)this).SetAttribute("__smartNavEnabled", "true"); // Output the IFrame StringBuilder sb = new StringBuilder(""); output.WriteLine(sb.ToString()); } base.Render(output); } private string GetActionAttribute() { // If the Action property is nonempty, we use it instead of the current page. This allows the developer // to support scenarios like PathInfo, UrlMapping, etc. (DevDiv Bugs 164390) string actionProperty = Action; if (!String.IsNullOrEmpty(actionProperty)) { return actionProperty; } string action; VirtualPath clientFilePath = Context.Request.ClientFilePath; // ASURT 15075/11054/59970: always set the action to the current page. // DevDiv Servicing 215795/Dev10 567580: The IIS URL Rewrite module and other rewrite // scenarios need the postback action to be the original URL. Note however, if Server.Transfer/Execute // is used, the action will be set to the transferred/executed page, that is, the value of // CurrentExecutionFilePathObject. This is because of ASURT 59970 and the document attached to // that bug, which indirectly states that things should behave this way when Transfer/Execute is used. if (Context.ServerExecuteDepth == 0) { // There hasn't been any Server.Transfer or RewritePath. // ASURT 15979: need to use a relative path, not absolute action = clientFilePath.VirtualPathString; int iPos = action.LastIndexOf('/'); if (iPos >= 0) { action = action.Substring(iPos+1); } } else { VirtualPath currentFilePath = Context.Request.CurrentExecutionFilePathObject; // Server.Transfer or RewritePath case. We need to make the form action relative // to the original ClientFilePath (since that's where the browser thinks we are). currentFilePath = clientFilePath.MakeRelative(currentFilePath); action = currentFilePath.VirtualPathString; } // VSWhidbey 202380: If cookieless is on, we need to add the app path modifier to the form action bool cookieless = CookielessHelperClass.UseCookieless(Context, false, FormsAuthentication.CookieMode); if (cookieless && Context.Request != null && Context.Response != null) { action = Context.Response.ApplyAppPathModifier(action); } // We should never return an empty action. Debug.Assert(!String.IsNullOrEmpty(action)); string queryString = Page.ClientQueryString; // ASURT 15355: Don't lose the query string if there is one. // In scriptless mobile HTML, we prepend __EVENTTARGET, et. al. to the query string. These have to be // removed from the form action. Use new HttpValueCollection to leverage ToString(bool encoded). if (!String.IsNullOrEmpty(queryString)) { action += "?" + queryString; } return action; } ////// /// protected internal override void OnInit(EventArgs e) { base.OnInit(e); Page.SetForm(this); // Make sure view state is calculated (see ASURT 73020) Page.RegisterViewStateHandler(); } ///Call RegisterViewStateHandler(). ////// Overridden to handle focus stuff /// protected internal override void OnPreRender(EventArgs e) { base.OnPreRender(e); #pragma warning disable 0618 // To avoid deprecation warning if (Page.SmartNavigation) { #pragma warning restore 0618 // Register the smartnav script file reference so it gets rendered Page.ClientScript.RegisterClientScriptResource(typeof(HtmlForm), "SmartNav.js"); } } ////// /// protected override void RenderAttributes(HtmlTextWriter writer) { ArrayList invalidAttributes = new ArrayList(); foreach (String key in Attributes.Keys) { if (!writer.IsValidFormAttribute(key)) { invalidAttributes.Add(key); } } foreach (String key in invalidAttributes) { Attributes.Remove(key); } bool enableLegacyRendering = EnableLegacyRendering; Page page = Page; if (writer.IsValidFormAttribute("name")) { // DevDiv 27328 Do not render name attribute for uplevel browser if (page != null && page.RequestInternal != null && RenderingCompatibility < VersionUtil.Framework40 && (page.RequestInternal.Browser.W3CDomVersion.Major == 0 || page.XhtmlConformanceMode != XhtmlConformanceMode.Strict)) { writer.WriteAttribute("name", Name); } Attributes.Remove("name"); } writer.WriteAttribute("method", Method); Attributes.Remove("method"); // Encode the action attribute - ASURT 66784 writer.WriteAttribute("action", GetActionAttribute(), true /*encode*/); Attributes.Remove("action"); // see if the page has a submit event if (page != null) { string onSubmit = page.ClientOnSubmitEvent; if (!String.IsNullOrEmpty(onSubmit)) { if (Attributes["onsubmit"] != null) { // If there was an onsubmit on the form, register it as an onsubmit statement and remove it from the attribute collection string formOnSubmit = Attributes["onsubmit"]; if (formOnSubmit.Length > 0) { if (!StringUtil.StringEndsWith(formOnSubmit, ';')) { formOnSubmit += ";"; } if (page.ClientSupportsJavaScript || !formOnSubmit.ToLower(CultureInfo.CurrentCulture).Contains("javascript")) { page.ClientScript.RegisterOnSubmitStatement(typeof(HtmlForm), "OnSubmitScript", formOnSubmit); } Attributes.Remove("onsubmit"); } } // Don't render the on submit if it contains javascript and the page doesn't support it if (page.ClientSupportsJavaScript || !onSubmit.ToLower(CultureInfo.CurrentCulture).Contains("javascript")) { if (enableLegacyRendering) { writer.WriteAttribute("language", "javascript", false); } writer.WriteAttribute("onsubmit", onSubmit); } } if ((page.RequestInternal != null) && (page.RequestInternal.Browser.EcmaScriptVersion.Major > 0) && (page.RequestInternal.Browser.W3CDomVersion.Major > 0)) { if (DefaultButton.Length > 0) { Control c = FindControl(DefaultButton); // Find control from the page if it's a hierarchical ID. if (c == null && Page != null) { char[] findControlSeparators = { ID_SEPARATOR, LEGACY_ID_SEPARATOR }; if (DefaultButton.IndexOfAny(findControlSeparators) != -1) { c = Page.FindControl(DefaultButton); } } if (c is IButtonControl) { page.ClientScript.RegisterDefaultButtonScript(c, writer, false /* UseAddAttribute */); } else { throw new InvalidOperationException(SR.GetString(SR.HtmlForm_OnlyIButtonControlCanBeDefaultButton, ID)); } } } } // We always want the form to have an id on the client // base.RenderAttributes takes care of actually rendering it. EnsureID(); base.RenderAttributes(writer); } ////// /// protected internal override void RenderChildren(HtmlTextWriter writer) { // We need to register the script here since other controls might register // for focus during PreRender Page page = Page; if (page != null) { page.OnFormRender(); page.BeginFormRender(writer, UniqueID); } // DevDiv Bugs 154630: move custom hidden fields to the begining of the form HttpWriter httpWriter = writer.InnerWriter as HttpWriter; if (page != null && httpWriter != null && RuntimeConfig.GetConfig(Context).Pages.RenderAllHiddenFieldsAtTopOfForm) { // If the response is flushed or cleared during render, we won't be able // to move the hidden fields. Set HasBeenClearedRecently to false and // then check again when we're ready to move the fields. httpWriter.HasBeenClearedRecently = false; // Remember the index where the form begins int formBeginIndex = httpWriter.GetResponseBufferCountAfterFlush(); base.RenderChildren(writer); // Remember the index where the custom hidden fields begin int fieldsBeginIndex = httpWriter.GetResponseBufferCountAfterFlush(); page.EndFormRenderHiddenFields(writer, UniqueID); // we can only move the hidden fields if the response has not been flushed or cleared if (!httpWriter.HasBeenClearedRecently) { int fieldsEndIndex = httpWriter.GetResponseBufferCountAfterFlush(); httpWriter.MoveResponseBufferRangeForward(fieldsBeginIndex, fieldsEndIndex - fieldsBeginIndex, formBeginIndex); } page.EndFormRenderArrayAndExpandoAttribute(writer, UniqueID); page.EndFormRenderPostBackAndWebFormsScript(writer, UniqueID); page.OnFormPostRender(writer); } else { base.RenderChildren(writer); if (page != null) { page.EndFormRender(writer, UniqueID); page.OnFormPostRender(writer); } } } public override void RenderControl(HtmlTextWriter writer) { if (DesignMode) { // User Control Designer scenario base.RenderChildren(writer); } else { base.RenderControl(writer); } } protected override ControlCollection CreateControlCollection() { return new ControlCollection(this, 100, 2); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- // HtmlForm.cs // namespace System.Web.UI.HtmlControls { using System.ComponentModel; using System; using System.Collections; using System.Globalization; using System.IO; using System.Text; using System.Web.Configuration; using System.Web.Util; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.Security; using System.Security.Permissions; ////// public class HtmlForm: HtmlContainerControl { private string _defaultFocus; private string _defaultButton; private bool _submitDisabledControls; private const string _aspnetFormID = "aspnetForm"; ////// The ///class defines the methods, properties, and /// events for the HtmlForm control. This class provides programmatic access to the /// HTML <form> element on the server. /// /// public HtmlForm() : base("form") { } [ WebCategory("Behavior"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public string Action { get { string s = Attributes["action"]; return ((s != null) ? s : String.Empty); } set { Attributes["action"] = MapStringAttributeToString(value); } } ////// Gets or sets default button for the form /// [ WebCategory("Behavior"), DefaultValue(""), ] public string DefaultButton { get { if (_defaultButton == null) { return String.Empty; } return _defaultButton; } set { _defaultButton = value; } } ////// Gets or sets default focused control for the form /// [ WebCategory("Behavior"), DefaultValue(""), ] public string DefaultFocus { get { if (_defaultFocus == null) { return String.Empty; } return _defaultFocus; } set { _defaultFocus = value; } } /* * Encode Type property. */ ////// [ WebCategory("Behavior"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public string Enctype { get { string s = Attributes["enctype"]; return((s != null) ? s : String.Empty); } set { Attributes["enctype"] = MapStringAttributeToString(value); } } /* * Method property. */ ////// Gets or sets the Enctype attribute of the form. This is /// the encoding type that browsers /// use when posting the form's data to the server. /// ////// [ WebCategory("Behavior"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public string Method { get { string s = Attributes["method"]; return((s != null) ? s : "post"); } set { Attributes["method"] = MapStringAttributeToString(value); } } /* * Name property. */ ////// Gets or sets the Method attribute for the form. This defines how a browser /// posts form data to the server for processing. The two common methods supported /// by all browsers are GET and POST. /// ////// [ WebCategory("Appearance"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public virtual string Name { get { return UniqueID; } set { // no-op setter to prevent the name from being set } } ////// Gets the value of the HTML Name attribute that will be rendered to the /// browser. /// ////// If true, forces controls disabled on the client to submit their values (thus preserving their previous postback state) /// [ WebCategory("Behavior"), DefaultValue(false) ] public virtual bool SubmitDisabledControls { get { return _submitDisabledControls; } set { _submitDisabledControls = value; } } /* * Target property. */ /// /// [ WebCategory("Behavior"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public string Target { get { string s = Attributes["target"]; return((s != null) ? s : String.Empty); } set { Attributes["target"] = MapStringAttributeToString(value); } } ////// Gets or sets the Uri of the frame or window to render the results of a Form /// POST request. Developers can use this property to redirect these results to /// another browser window or frame. /// ////// Overridden to return a constant value or tack the ID onto the same constant value. /// This fixes a bug in PocketPC which doesn't allow the name and ID of a form to be different /// public override string UniqueID { get { if (NamingContainer == Page) { return base.UniqueID; } else if (this.EffectiveClientIDMode != ClientIDMode.AutoID) { return ID ?? _aspnetFormID; } return _aspnetFormID; } } public override string ClientID { get { if (this.EffectiveClientIDMode != ClientIDMode.AutoID) { return ID; } return base.ClientID; } } protected internal override void Render(HtmlTextWriter output) { Page p = Page; if (p == null) throw new HttpException(SR.GetString(SR.Form_Needs_Page)); #pragma warning disable 0618 // To avoid deprecation warning if (p.SmartNavigation) { #pragma warning restore 0618 ((IAttributeAccessor)this).SetAttribute("__smartNavEnabled", "true"); // Output the IFrame StringBuilder sb = new StringBuilder(""); output.WriteLine(sb.ToString()); } base.Render(output); } private string GetActionAttribute() { // If the Action property is nonempty, we use it instead of the current page. This allows the developer // to support scenarios like PathInfo, UrlMapping, etc. (DevDiv Bugs 164390) string actionProperty = Action; if (!String.IsNullOrEmpty(actionProperty)) { return actionProperty; } string action; VirtualPath clientFilePath = Context.Request.ClientFilePath; // ASURT 15075/11054/59970: always set the action to the current page. // DevDiv Servicing 215795/Dev10 567580: The IIS URL Rewrite module and other rewrite // scenarios need the postback action to be the original URL. Note however, if Server.Transfer/Execute // is used, the action will be set to the transferred/executed page, that is, the value of // CurrentExecutionFilePathObject. This is because of ASURT 59970 and the document attached to // that bug, which indirectly states that things should behave this way when Transfer/Execute is used. if (Context.ServerExecuteDepth == 0) { // There hasn't been any Server.Transfer or RewritePath. // ASURT 15979: need to use a relative path, not absolute action = clientFilePath.VirtualPathString; int iPos = action.LastIndexOf('/'); if (iPos >= 0) { action = action.Substring(iPos+1); } } else { VirtualPath currentFilePath = Context.Request.CurrentExecutionFilePathObject; // Server.Transfer or RewritePath case. We need to make the form action relative // to the original ClientFilePath (since that's where the browser thinks we are). currentFilePath = clientFilePath.MakeRelative(currentFilePath); action = currentFilePath.VirtualPathString; } // VSWhidbey 202380: If cookieless is on, we need to add the app path modifier to the form action bool cookieless = CookielessHelperClass.UseCookieless(Context, false, FormsAuthentication.CookieMode); if (cookieless && Context.Request != null && Context.Response != null) { action = Context.Response.ApplyAppPathModifier(action); } // We should never return an empty action. Debug.Assert(!String.IsNullOrEmpty(action)); string queryString = Page.ClientQueryString; // ASURT 15355: Don't lose the query string if there is one. // In scriptless mobile HTML, we prepend __EVENTTARGET, et. al. to the query string. These have to be // removed from the form action. Use new HttpValueCollection to leverage ToString(bool encoded). if (!String.IsNullOrEmpty(queryString)) { action += "?" + queryString; } return action; } ////// /// protected internal override void OnInit(EventArgs e) { base.OnInit(e); Page.SetForm(this); // Make sure view state is calculated (see ASURT 73020) Page.RegisterViewStateHandler(); } ///Call RegisterViewStateHandler(). ////// Overridden to handle focus stuff /// protected internal override void OnPreRender(EventArgs e) { base.OnPreRender(e); #pragma warning disable 0618 // To avoid deprecation warning if (Page.SmartNavigation) { #pragma warning restore 0618 // Register the smartnav script file reference so it gets rendered Page.ClientScript.RegisterClientScriptResource(typeof(HtmlForm), "SmartNav.js"); } } ////// /// protected override void RenderAttributes(HtmlTextWriter writer) { ArrayList invalidAttributes = new ArrayList(); foreach (String key in Attributes.Keys) { if (!writer.IsValidFormAttribute(key)) { invalidAttributes.Add(key); } } foreach (String key in invalidAttributes) { Attributes.Remove(key); } bool enableLegacyRendering = EnableLegacyRendering; Page page = Page; if (writer.IsValidFormAttribute("name")) { // DevDiv 27328 Do not render name attribute for uplevel browser if (page != null && page.RequestInternal != null && RenderingCompatibility < VersionUtil.Framework40 && (page.RequestInternal.Browser.W3CDomVersion.Major == 0 || page.XhtmlConformanceMode != XhtmlConformanceMode.Strict)) { writer.WriteAttribute("name", Name); } Attributes.Remove("name"); } writer.WriteAttribute("method", Method); Attributes.Remove("method"); // Encode the action attribute - ASURT 66784 writer.WriteAttribute("action", GetActionAttribute(), true /*encode*/); Attributes.Remove("action"); // see if the page has a submit event if (page != null) { string onSubmit = page.ClientOnSubmitEvent; if (!String.IsNullOrEmpty(onSubmit)) { if (Attributes["onsubmit"] != null) { // If there was an onsubmit on the form, register it as an onsubmit statement and remove it from the attribute collection string formOnSubmit = Attributes["onsubmit"]; if (formOnSubmit.Length > 0) { if (!StringUtil.StringEndsWith(formOnSubmit, ';')) { formOnSubmit += ";"; } if (page.ClientSupportsJavaScript || !formOnSubmit.ToLower(CultureInfo.CurrentCulture).Contains("javascript")) { page.ClientScript.RegisterOnSubmitStatement(typeof(HtmlForm), "OnSubmitScript", formOnSubmit); } Attributes.Remove("onsubmit"); } } // Don't render the on submit if it contains javascript and the page doesn't support it if (page.ClientSupportsJavaScript || !onSubmit.ToLower(CultureInfo.CurrentCulture).Contains("javascript")) { if (enableLegacyRendering) { writer.WriteAttribute("language", "javascript", false); } writer.WriteAttribute("onsubmit", onSubmit); } } if ((page.RequestInternal != null) && (page.RequestInternal.Browser.EcmaScriptVersion.Major > 0) && (page.RequestInternal.Browser.W3CDomVersion.Major > 0)) { if (DefaultButton.Length > 0) { Control c = FindControl(DefaultButton); // Find control from the page if it's a hierarchical ID. if (c == null && Page != null) { char[] findControlSeparators = { ID_SEPARATOR, LEGACY_ID_SEPARATOR }; if (DefaultButton.IndexOfAny(findControlSeparators) != -1) { c = Page.FindControl(DefaultButton); } } if (c is IButtonControl) { page.ClientScript.RegisterDefaultButtonScript(c, writer, false /* UseAddAttribute */); } else { throw new InvalidOperationException(SR.GetString(SR.HtmlForm_OnlyIButtonControlCanBeDefaultButton, ID)); } } } } // We always want the form to have an id on the client // base.RenderAttributes takes care of actually rendering it. EnsureID(); base.RenderAttributes(writer); } ////// /// protected internal override void RenderChildren(HtmlTextWriter writer) { // We need to register the script here since other controls might register // for focus during PreRender Page page = Page; if (page != null) { page.OnFormRender(); page.BeginFormRender(writer, UniqueID); } // DevDiv Bugs 154630: move custom hidden fields to the begining of the form HttpWriter httpWriter = writer.InnerWriter as HttpWriter; if (page != null && httpWriter != null && RuntimeConfig.GetConfig(Context).Pages.RenderAllHiddenFieldsAtTopOfForm) { // If the response is flushed or cleared during render, we won't be able // to move the hidden fields. Set HasBeenClearedRecently to false and // then check again when we're ready to move the fields. httpWriter.HasBeenClearedRecently = false; // Remember the index where the form begins int formBeginIndex = httpWriter.GetResponseBufferCountAfterFlush(); base.RenderChildren(writer); // Remember the index where the custom hidden fields begin int fieldsBeginIndex = httpWriter.GetResponseBufferCountAfterFlush(); page.EndFormRenderHiddenFields(writer, UniqueID); // we can only move the hidden fields if the response has not been flushed or cleared if (!httpWriter.HasBeenClearedRecently) { int fieldsEndIndex = httpWriter.GetResponseBufferCountAfterFlush(); httpWriter.MoveResponseBufferRangeForward(fieldsBeginIndex, fieldsEndIndex - fieldsBeginIndex, formBeginIndex); } page.EndFormRenderArrayAndExpandoAttribute(writer, UniqueID); page.EndFormRenderPostBackAndWebFormsScript(writer, UniqueID); page.OnFormPostRender(writer); } else { base.RenderChildren(writer); if (page != null) { page.EndFormRender(writer, UniqueID); page.OnFormPostRender(writer); } } } public override void RenderControl(HtmlTextWriter writer) { if (DesignMode) { // User Control Designer scenario base.RenderChildren(writer); } else { base.RenderControl(writer); } } protected override ControlCollection CreateControlCollection() { return new ControlCollection(this, 100, 2); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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