Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / xsp / System / Web / UI / HtmlForm.cs / 3 / 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;
///
///
/// The
///
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public class HtmlForm: HtmlContainerControl
#if ORCAS
, IPaginationContainer, IPaginationInfo
#endif
{
#if SHIPPINGADAPTERS
private string _adaptedActionAttribute = null;
#endif
private string _defaultFocus;
private string _defaultButton;
private bool _submitDisabledControls;
private const string _aspnetFormID = "aspnetForm";
///
///
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.
*/
///
///
/// 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 Enctype {
get {
string s = Attributes["enctype"];
return((s != null) ? s : String.Empty);
}
set {
Attributes["enctype"] = MapStringAttributeToString(value);
}
}
/*
* Method 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("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 the value of the HTML Name attribute that will be rendered to the
/// browser.
///
///
[
WebCategory("Appearance"),
DefaultValue(""),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)
]
public virtual string Name {
get {
return UniqueID;
}
set {
// no-op setter to prevent the name from being set
}
}
///
/// 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.
*/
///
///
/// 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.
///
///
[
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);
}
}
///
/// 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;
}
return _aspnetFormID;
}
}
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;
#if SHIPPINGADAPTERS
if (_adaptedActionAttribute != null) {
// Action attribute set by page adapter.
return _adaptedActionAttribute;
}
#endif
// ASURT 15075/11054/59970: always set the action to the current page.
VirtualPath currentFilePath = Context.Request.CurrentExecutionFilePathObject;
if (Object.ReferenceEquals(currentFilePath, clientFilePath)) {
// There hasn't been any Server.Transfer or RewritePath.
// ASURT 15979: need to use a relative path, not absolute
action = currentFilePath.VirtualPathString;
int iPos = action.LastIndexOf('/');
if (iPos >= 0) {
action = action.Substring(iPos+1);
}
}
else {
// 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;
}
///
/// Call RegisterViewStateHandler().
///
protected internal override void OnInit(EventArgs e) {
base.OnInit(e);
Page.SetForm(this);
// Make sure view state is calculated (see ASURT 73020)
Page.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 &&
(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();
}
else {
base.RenderChildren(writer);
if (page != null) {
page.EndFormRender(writer, UniqueID);
page.OnFormPostRender();
}
}
}
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);
}
#if SHIPPINGADAPTERS
internal void RenderBeginTagInternal(HtmlTextWriter writer) {
RenderBeginTag(writer);
}
internal void RenderChildrenInternal(HtmlTextWriter writer) {
RenderChildren(writer);
}
internal void RenderEndTagInternal(HtmlTextWriter writer) {
RenderEndTag(writer);
}
//
internal void SetAdaptedActionAttribute(String attr) {
_adaptedActionAttribute = attr;
}
#endif
#if ORCAS
HttpContext _context = null;
int _maximumWeight = -1;
[
Browsable(false),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)
]
public int MaximumWeight {
get {
if (_maximumWeight != -1) {
return _maximumWeight;
}
if(_context == null) {
_context = HttpContext.Current;
_maximumWeight = Int32.Parse(_context.Request.Browser["optimumPageWeight"], CultureInfo.InvariantCulture);
return _maximumWeight;
}
else {
throw new InvalidOperationException();
}
}
set {
_maximumWeight = value;
}
}
///
// 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;
///
///
/// The
///
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public class HtmlForm: HtmlContainerControl
#if ORCAS
, IPaginationContainer, IPaginationInfo
#endif
{
#if SHIPPINGADAPTERS
private string _adaptedActionAttribute = null;
#endif
private string _defaultFocus;
private string _defaultButton;
private bool _submitDisabledControls;
private const string _aspnetFormID = "aspnetForm";
///
///
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.
*/
///
///
/// 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 Enctype {
get {
string s = Attributes["enctype"];
return((s != null) ? s : String.Empty);
}
set {
Attributes["enctype"] = MapStringAttributeToString(value);
}
}
/*
* Method 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("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 the value of the HTML Name attribute that will be rendered to the
/// browser.
///
///
[
WebCategory("Appearance"),
DefaultValue(""),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)
]
public virtual string Name {
get {
return UniqueID;
}
set {
// no-op setter to prevent the name from being set
}
}
///
/// 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.
*/
///
///
/// 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.
///
///
[
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);
}
}
///
/// 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;
}
return _aspnetFormID;
}
}
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;
#if SHIPPINGADAPTERS
if (_adaptedActionAttribute != null) {
// Action attribute set by page adapter.
return _adaptedActionAttribute;
}
#endif
// ASURT 15075/11054/59970: always set the action to the current page.
VirtualPath currentFilePath = Context.Request.CurrentExecutionFilePathObject;
if (Object.ReferenceEquals(currentFilePath, clientFilePath)) {
// There hasn't been any Server.Transfer or RewritePath.
// ASURT 15979: need to use a relative path, not absolute
action = currentFilePath.VirtualPathString;
int iPos = action.LastIndexOf('/');
if (iPos >= 0) {
action = action.Substring(iPos+1);
}
}
else {
// 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;
}
///
/// Call RegisterViewStateHandler().
///
protected internal override void OnInit(EventArgs e) {
base.OnInit(e);
Page.SetForm(this);
// Make sure view state is calculated (see ASURT 73020)
Page.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 &&
(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();
}
else {
base.RenderChildren(writer);
if (page != null) {
page.EndFormRender(writer, UniqueID);
page.OnFormPostRender();
}
}
}
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);
}
#if SHIPPINGADAPTERS
internal void RenderBeginTagInternal(HtmlTextWriter writer) {
RenderBeginTag(writer);
}
internal void RenderChildrenInternal(HtmlTextWriter writer) {
RenderChildren(writer);
}
internal void RenderEndTagInternal(HtmlTextWriter writer) {
RenderEndTag(writer);
}
//
internal void SetAdaptedActionAttribute(String attr) {
_adaptedActionAttribute = attr;
}
#endif
#if ORCAS
HttpContext _context = null;
int _maximumWeight = -1;
[
Browsable(false),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)
]
public int MaximumWeight {
get {
if (_maximumWeight != -1) {
return _maximumWeight;
}
if(_context == null) {
_context = HttpContext.Current;
_maximumWeight = Int32.Parse(_context.Request.Browser["optimumPageWeight"], CultureInfo.InvariantCulture);
return _maximumWeight;
}
else {
throw new InvalidOperationException();
}
}
set {
_maximumWeight = value;
}
}
///
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- IInstanceTable.cs
- SettingsBindableAttribute.cs
- XpsSerializationManager.cs
- ValidationRule.cs
- _NegotiateClient.cs
- Number.cs
- ProjectionCamera.cs
- HttpDateParse.cs
- ContentOperations.cs
- WeakReference.cs
- ExpressionEditorAttribute.cs
- FormsAuthenticationCredentials.cs
- XmlEntityReference.cs
- ToolStripGripRenderEventArgs.cs
- PrintControllerWithStatusDialog.cs
- ControlIdConverter.cs
- GacUtil.cs
- DataBindEngine.cs
- Debug.cs
- RoutingTable.cs
- FolderLevelBuildProviderAppliesToAttribute.cs
- WorkflowQueuingService.cs
- AssemblyInfo.cs
- InfoCardArgumentException.cs
- SectionInput.cs
- AppDomainShutdownMonitor.cs
- SafeEventLogWriteHandle.cs
- VisemeEventArgs.cs
- XmlChoiceIdentifierAttribute.cs
- XmlSchemaSequence.cs
- JapaneseCalendar.cs
- ErrorHandler.cs
- ConfigXmlCDataSection.cs
- PropertyNames.cs
- FreezableDefaultValueFactory.cs
- ActivityCodeDomSerializer.cs
- FunctionParameter.cs
- ObjectParameterCollection.cs
- XmlLinkedNode.cs
- Timer.cs
- SourceFileBuildProvider.cs
- _TransmitFileOverlappedAsyncResult.cs
- SecurityRuntime.cs
- TextTreeFixupNode.cs
- RadialGradientBrush.cs
- RegexGroup.cs
- StandardOleMarshalObject.cs
- GAC.cs
- EqualityComparer.cs
- EdgeModeValidation.cs
- MetricEntry.cs
- SymmetricAlgorithm.cs
- Figure.cs
- ContainerParagraph.cs
- OverflowException.cs
- HtmlGenericControl.cs
- ObjectMemberMapping.cs
- AspProxy.cs
- AnimatedTypeHelpers.cs
- LocatorPart.cs
- SystemIcmpV4Statistics.cs
- _TimerThread.cs
- DecimalAnimationBase.cs
- RenderData.cs
- MouseEventArgs.cs
- StringComparer.cs
- SynchronizedDispatch.cs
- ReadOnlyCollection.cs
- DecimalMinMaxAggregationOperator.cs
- WebPartZoneBase.cs
- ManifestResourceInfo.cs
- PathTooLongException.cs
- __Filters.cs
- ClientTargetCollection.cs
- ConnectionStringSettings.cs
- Transform3DGroup.cs
- FtpWebResponse.cs
- LinqDataSourceHelper.cs
- HttpResponseHeader.cs
- EntityStoreSchemaFilterEntry.cs
- ToolbarAUtomationPeer.cs
- WebPartChrome.cs
- PointLightBase.cs
- BitmapFrameEncode.cs
- WindowsUpDown.cs
- FontEmbeddingManager.cs
- PermissionSet.cs
- TextTreeRootTextBlock.cs
- GridViewColumn.cs
- SerializationStore.cs
- FigureHelper.cs
- XmlSchemaSimpleContent.cs
- TypeToTreeConverter.cs
- StringOutput.cs
- TileModeValidation.cs
- ApplicationCommands.cs
- WpfPayload.cs
- Error.cs
- PrincipalPermission.cs
- EntityViewContainer.cs