Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / xsp / System / Web / UI / WebControls / RadioButtonList.cs / 1 / RadioButtonList.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI.WebControls {
using System;
using System.Collections;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Globalization;
using System.Web;
using System.Web.UI;
using System.Security.Permissions;
///
/// Generates a single-selection radio button group and
/// defines its properties.
///
[
ValidationProperty("SelectedItem"),
SupportsEventValidation,
]
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public class RadioButtonList : ListControl, IRepeatInfoUser, INamingContainer, IPostBackDataHandler
#if ORCAS
, IItemPaginationInfo, IPaginationContainer
#endif
{
RadioButton _controlToRepeat;
private bool _cachedIsEnabled;
private bool _cachedRegisterEnabled;
private int _offset;
#if ORCAS
private int _itemCount;
#endif
public RadioButtonList() {
_offset = 0;
#if ORCAS
_itemCount = -1;
#endif
}
///
/// CellPadding property.
/// The padding between each item.
///
[
WebCategory("Layout"),
DefaultValue(-1),
WebSysDescription(SR.RadioButtonList_CellPadding)
]
public virtual int CellPadding {
get {
if (ControlStyleCreated == false) {
return -1;
}
return ((TableStyle)ControlStyle).CellPadding;
}
set {
((TableStyle)ControlStyle).CellPadding = value;
}
}
///
/// CellSpacing property.
/// The spacing between each item.
///
[
WebCategory("Layout"),
DefaultValue(-1),
WebSysDescription(SR.RadioButtonList_CellSpacing)
]
public virtual int CellSpacing {
get {
if (ControlStyleCreated == false) {
return -1;
}
return ((TableStyle)ControlStyle).CellSpacing;
}
set {
((TableStyle)ControlStyle).CellSpacing = value;
}
}
private RadioButton ControlToRepeat {
get {
if (_controlToRepeat != null)
return _controlToRepeat;
_controlToRepeat = new RadioButton();
_controlToRepeat.EnableViewState = false;
Controls.Add(_controlToRepeat);
// A note is that we don't need to set the GroupName on the radio
// button as the radio button would simply use its naming container
// (which would be this control) as its name attribute for postback.
// Apply properties that are the same for each radio button
_controlToRepeat.AutoPostBack = AutoPostBack;
_controlToRepeat.CausesValidation = CausesValidation;
_controlToRepeat.ValidationGroup = ValidationGroup;
return _controlToRepeat;
}
}
///
/// Indicates the column count of radio buttons
/// within the group.
///
[
WebCategory("Layout"),
DefaultValue(0),
WebSysDescription(SR.RadioButtonList_RepeatColumns)
]
public virtual int RepeatColumns {
get {
object o = ViewState["RepeatColumns"];
return((o == null) ? 0 : (int)o);
}
set {
if (value < 0) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["RepeatColumns"] = value;
}
}
///
/// Gets or sets the direction of flow of
/// the radio buttons within the group.
///
[
WebCategory("Layout"),
DefaultValue(RepeatDirection.Vertical),
WebSysDescription(SR.Item_RepeatDirection)
]
public virtual RepeatDirection RepeatDirection {
get {
object o = ViewState["RepeatDirection"];
return((o == null) ? RepeatDirection.Vertical : (RepeatDirection)o);
}
set {
if (value < RepeatDirection.Horizontal || value > RepeatDirection.Vertical) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["RepeatDirection"] = value;
}
}
///
/// Indicates the layout of radio buttons within the
/// group.
///
[
WebCategory("Layout"),
DefaultValue(RepeatLayout.Table),
WebSysDescription(SR.WebControl_RepeatLayout)
]
public virtual RepeatLayout RepeatLayout {
get {
object o = ViewState["RepeatLayout"];
return((o == null) ? RepeatLayout.Table : (RepeatLayout)o);
}
set {
if (value < RepeatLayout.Table || value > RepeatLayout.Flow) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["RepeatLayout"] = value;
}
}
///
///
/// Indicates the label text alignment for the radio buttons within the group.
///
[
WebCategory("Appearance"),
DefaultValue(TextAlign.Right),
WebSysDescription(SR.WebControl_TextAlign)
]
public virtual TextAlign TextAlign {
get {
object align = ViewState["TextAlign"];
return((align == null) ? TextAlign.Right : (TextAlign)align);
}
set {
if (value < TextAlign.Left || value > TextAlign.Right) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["TextAlign"] = value;
}
}
///
///
protected override Style CreateControlStyle() {
return new TableStyle(ViewState);
}
///
/// Catches auto postback from a
///
protected override Control FindControl(string id, int pathOffset) {
return this;
}
#if ORCAS
#region IItemPaginationInfo implementation
int IItemPaginationInfo.FirstVisibleItemIndex {
get {
return this.FirstVisibleItemIndex;
}
}
protected int FirstVisibleItemIndex {
get {
return _offset;
}
}
///
///
/// The number of items held by the container for pagination calculations.
///
///
int IItemPaginationInfo.ItemCount {
get {
return ItemCount;
}
}
///
///
/// The number of items held by the container for pagination calculations.
///
///
protected virtual int ItemCount {
get {
EnsureDataBound();
return Items.Count;
}
}
///
///
/// The weight for pagination calculations for each item of the container.
/// Returns a constant value of 100 for RadioButtonList.
///
///
int IItemPaginationInfo.ItemWeight {
get {
return ItemWeight;
}
}
///
///
/// The weight for pagination calculations for each item of the container.
/// Returns a constant value of 100 for RadioButtonList.
///
///
protected virtual int ItemWeight {
get {
return 100;
}
}
int IItemPaginationInfo.VisibleItemCount {
get {
return this.VisibleItemCount;
}
}
protected int VisibleItemCount {
get {
if (_itemCount >= 0) {
return _itemCount;
}
else {
return ItemCount;
}
}
}
///
///
/// Indicates which child items of the container are visible on the current page.
///
///
void IItemPaginationInfo.SetVisibleItems(int firstItem, int itemCount) {
SetVisibleItems(firstItem, itemCount);
}
///
///
/// Indicates which child items of the container are visible on the current page.
///
///
protected virtual void SetVisibleItems(int firstItem, int itemCount) {
_offset = firstItem;
_itemCount = itemCount;
}
#endregion
#endif
///
/// Loads the posted content of the list control if it is different from the last
/// posting.
///
bool IPostBackDataHandler.LoadPostData(String postDataKey, NameValueCollection postCollection) {
return LoadPostData(postDataKey, postCollection);
}
///
/// Loads the posted content of the list control if it is different from the last
/// posting.
///
protected virtual bool LoadPostData(String postDataKey, NameValueCollection postCollection) {
// When a RadioButtonList is disabled, then there is no postback data for it.
// Since RadioButtonList doesn't call RegisterRequiresPostBack, this method will
// never be called, so we don't need to worry about ignoring empty postback data.
string post = postCollection[postDataKey];
int currentSelectedIndex = SelectedIndex;
EnsureDataBound();
int n = Items.Count;
for (int i=0; i < n; i++) {
if (post == Items[i].Value && Items[i].Enabled) {
ValidateEvent(postDataKey, post);
if (i != currentSelectedIndex) {
SetPostDataSelection(i);
return true;
}
return false;
}
}
return false;
}
///
/// Invokes the OnSelectedIndexChanged
/// method whenever posted data for the
///
void IPostBackDataHandler.RaisePostDataChangedEvent() {
RaisePostDataChangedEvent();
}
///
/// Invokes the OnSelectedIndexChanged
/// method whenever posted data for the
///
protected virtual void RaisePostDataChangedEvent() {
if (AutoPostBack && Page != null && !Page.IsPostBackEventControlRegistered) {
// VSWhidbey 204824
Page.AutoPostBackControl = this;
if (CausesValidation) {
Page.Validate(ValidationGroup);
}
}
OnSelectedIndexChanged(EventArgs.Empty);
}
protected internal override void Render(HtmlTextWriter writer) {
#if ORCAS
if (VisibleItemCount == 0) {
return;
}
#else
if (Items.Count == 0 && !EnableLegacyRendering) {
return;
}
#endif
RepeatInfo repeatInfo = new RepeatInfo();
Style style = (ControlStyleCreated ? ControlStyle : null);
short tabIndex = TabIndex;
bool undirtyTabIndex = false;
// TabIndex here is special... it needs to be applied to the individual
// radiobuttons and not the outer control itself
// cache away the TabIndex property state
ControlToRepeat.TabIndex = tabIndex;
if (tabIndex != 0) {
if (ViewState.IsItemDirty("TabIndex") == false) {
undirtyTabIndex = true;
}
TabIndex = 0;
}
repeatInfo.RepeatColumns = RepeatColumns;
repeatInfo.RepeatDirection = RepeatDirection;
// If the device does not support tables, use the flow layout to render
if (!DesignMode && !Context.Request.Browser.Tables) {
repeatInfo.RepeatLayout = RepeatLayout.Flow;
}
else {
repeatInfo.RepeatLayout = RepeatLayout;
}
if (repeatInfo.RepeatLayout == RepeatLayout.Flow) {
repeatInfo.EnableLegacyRendering = EnableLegacyRendering;
}
repeatInfo.RenderRepeater(writer, (IRepeatInfoUser)this, style, this);
if (Page != null) {
Page.ClientScript.RegisterForEventValidation(UniqueID);
}
// restore the state of the TabIndex property
if (tabIndex != 0) {
TabIndex = tabIndex;
}
if (undirtyTabIndex) {
ViewState.SetItemDirty("TabIndex", false);
}
}
///
///
bool IRepeatInfoUser.HasFooter {
get {
return HasFooter;
}
}
///
///
protected virtual bool HasFooter {
get {
return false;
}
}
///
///
bool IRepeatInfoUser.HasHeader {
get {
return HasHeader;
}
}
///
///
protected virtual bool HasHeader {
get {
return false;
}
}
///
///
bool IRepeatInfoUser.HasSeparators {
get {
return HasSeparators;
}
}
///
///
protected virtual bool HasSeparators {
get {
return false;
}
}
///
///
int IRepeatInfoUser.RepeatedItemCount {
get {
return RepeatedItemCount;
}
}
///
///
protected virtual int RepeatedItemCount {
get {
#if ORCAS
// If the whole control is contained on a single page,
// the count is the number of items.
if (VirtualStartPage == VirtualEndPage || _itemCount == -1) {
return Items.Count;
}
return _itemCount;
#else
return (Items != null) ? Items.Count : 0;
#endif
}
}
///
///
Style IRepeatInfoUser.GetItemStyle(ListItemType itemType, int repeatIndex) {
return GetItemStyle(itemType, repeatIndex);
}
///
///
protected virtual Style GetItemStyle(ListItemType itemType, int repeatIndex) {
return null;
}
///
/// Called by the RepeatInfo helper to render each item
///
void IRepeatInfoUser.RenderItem(ListItemType itemType, int repeatIndex, RepeatInfo repeatInfo, HtmlTextWriter writer) {
RenderItem(itemType, repeatIndex, repeatInfo, writer);
}
///
/// Called by the RepeatInfo helper to render each item
///
protected virtual void RenderItem(ListItemType itemType, int repeatIndex, RepeatInfo repeatInfo, HtmlTextWriter writer) {
if (repeatIndex == 0) {
_cachedIsEnabled = IsEnabled;
_cachedRegisterEnabled = (Page != null) && (SaveSelectedIndicesViewState == false);
}
RadioButton controlToRepeat = ControlToRepeat;
// Apply properties of the list items
int repeatIndexOffset = repeatIndex + _offset;
ListItem item = Items[repeatIndexOffset];
// VSWhidbey 153920 Render expando attributes.
controlToRepeat.Attributes.Clear();
if (item.HasAttributes) {
foreach (string key in item.Attributes.Keys) {
controlToRepeat.Attributes[key] = item.Attributes[key];
}
}
controlToRepeat.ID = repeatIndexOffset.ToString(NumberFormatInfo.InvariantInfo);
controlToRepeat.Text = item.Text;
controlToRepeat.Attributes["value"] = item.Value;
controlToRepeat.Checked = item.Selected;
controlToRepeat.Enabled = _cachedIsEnabled && item.Enabled;
controlToRepeat.TextAlign = TextAlign;
controlToRepeat.RenderControl(writer);
if (controlToRepeat.Enabled && _cachedRegisterEnabled && Page != null) {
// Store a client-side array of enabled control, so we can re-enable them on
// postback (in case they are disabled client-side)
// Postback is needed when SelectedIndices is not saved in view state
Page.RegisterEnabledControl(controlToRepeat);
}
}
#if ORCAS
///
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI.WebControls {
using System;
using System.Collections;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Globalization;
using System.Web;
using System.Web.UI;
using System.Security.Permissions;
///
/// Generates a single-selection radio button group and
/// defines its properties.
///
[
ValidationProperty("SelectedItem"),
SupportsEventValidation,
]
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public class RadioButtonList : ListControl, IRepeatInfoUser, INamingContainer, IPostBackDataHandler
#if ORCAS
, IItemPaginationInfo, IPaginationContainer
#endif
{
RadioButton _controlToRepeat;
private bool _cachedIsEnabled;
private bool _cachedRegisterEnabled;
private int _offset;
#if ORCAS
private int _itemCount;
#endif
public RadioButtonList() {
_offset = 0;
#if ORCAS
_itemCount = -1;
#endif
}
///
/// CellPadding property.
/// The padding between each item.
///
[
WebCategory("Layout"),
DefaultValue(-1),
WebSysDescription(SR.RadioButtonList_CellPadding)
]
public virtual int CellPadding {
get {
if (ControlStyleCreated == false) {
return -1;
}
return ((TableStyle)ControlStyle).CellPadding;
}
set {
((TableStyle)ControlStyle).CellPadding = value;
}
}
///
/// CellSpacing property.
/// The spacing between each item.
///
[
WebCategory("Layout"),
DefaultValue(-1),
WebSysDescription(SR.RadioButtonList_CellSpacing)
]
public virtual int CellSpacing {
get {
if (ControlStyleCreated == false) {
return -1;
}
return ((TableStyle)ControlStyle).CellSpacing;
}
set {
((TableStyle)ControlStyle).CellSpacing = value;
}
}
private RadioButton ControlToRepeat {
get {
if (_controlToRepeat != null)
return _controlToRepeat;
_controlToRepeat = new RadioButton();
_controlToRepeat.EnableViewState = false;
Controls.Add(_controlToRepeat);
// A note is that we don't need to set the GroupName on the radio
// button as the radio button would simply use its naming container
// (which would be this control) as its name attribute for postback.
// Apply properties that are the same for each radio button
_controlToRepeat.AutoPostBack = AutoPostBack;
_controlToRepeat.CausesValidation = CausesValidation;
_controlToRepeat.ValidationGroup = ValidationGroup;
return _controlToRepeat;
}
}
///
/// Indicates the column count of radio buttons
/// within the group.
///
[
WebCategory("Layout"),
DefaultValue(0),
WebSysDescription(SR.RadioButtonList_RepeatColumns)
]
public virtual int RepeatColumns {
get {
object o = ViewState["RepeatColumns"];
return((o == null) ? 0 : (int)o);
}
set {
if (value < 0) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["RepeatColumns"] = value;
}
}
///
/// Gets or sets the direction of flow of
/// the radio buttons within the group.
///
[
WebCategory("Layout"),
DefaultValue(RepeatDirection.Vertical),
WebSysDescription(SR.Item_RepeatDirection)
]
public virtual RepeatDirection RepeatDirection {
get {
object o = ViewState["RepeatDirection"];
return((o == null) ? RepeatDirection.Vertical : (RepeatDirection)o);
}
set {
if (value < RepeatDirection.Horizontal || value > RepeatDirection.Vertical) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["RepeatDirection"] = value;
}
}
///
/// Indicates the layout of radio buttons within the
/// group.
///
[
WebCategory("Layout"),
DefaultValue(RepeatLayout.Table),
WebSysDescription(SR.WebControl_RepeatLayout)
]
public virtual RepeatLayout RepeatLayout {
get {
object o = ViewState["RepeatLayout"];
return((o == null) ? RepeatLayout.Table : (RepeatLayout)o);
}
set {
if (value < RepeatLayout.Table || value > RepeatLayout.Flow) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["RepeatLayout"] = value;
}
}
///
///
/// Indicates the label text alignment for the radio buttons within the group.
///
[
WebCategory("Appearance"),
DefaultValue(TextAlign.Right),
WebSysDescription(SR.WebControl_TextAlign)
]
public virtual TextAlign TextAlign {
get {
object align = ViewState["TextAlign"];
return((align == null) ? TextAlign.Right : (TextAlign)align);
}
set {
if (value < TextAlign.Left || value > TextAlign.Right) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["TextAlign"] = value;
}
}
///
///
protected override Style CreateControlStyle() {
return new TableStyle(ViewState);
}
///
/// Catches auto postback from a
///
protected override Control FindControl(string id, int pathOffset) {
return this;
}
#if ORCAS
#region IItemPaginationInfo implementation
int IItemPaginationInfo.FirstVisibleItemIndex {
get {
return this.FirstVisibleItemIndex;
}
}
protected int FirstVisibleItemIndex {
get {
return _offset;
}
}
///
///
/// The number of items held by the container for pagination calculations.
///
///
int IItemPaginationInfo.ItemCount {
get {
return ItemCount;
}
}
///
///
/// The number of items held by the container for pagination calculations.
///
///
protected virtual int ItemCount {
get {
EnsureDataBound();
return Items.Count;
}
}
///
///
/// The weight for pagination calculations for each item of the container.
/// Returns a constant value of 100 for RadioButtonList.
///
///
int IItemPaginationInfo.ItemWeight {
get {
return ItemWeight;
}
}
///
///
/// The weight for pagination calculations for each item of the container.
/// Returns a constant value of 100 for RadioButtonList.
///
///
protected virtual int ItemWeight {
get {
return 100;
}
}
int IItemPaginationInfo.VisibleItemCount {
get {
return this.VisibleItemCount;
}
}
protected int VisibleItemCount {
get {
if (_itemCount >= 0) {
return _itemCount;
}
else {
return ItemCount;
}
}
}
///
///
/// Indicates which child items of the container are visible on the current page.
///
///
void IItemPaginationInfo.SetVisibleItems(int firstItem, int itemCount) {
SetVisibleItems(firstItem, itemCount);
}
///
///
/// Indicates which child items of the container are visible on the current page.
///
///
protected virtual void SetVisibleItems(int firstItem, int itemCount) {
_offset = firstItem;
_itemCount = itemCount;
}
#endregion
#endif
///
/// Loads the posted content of the list control if it is different from the last
/// posting.
///
bool IPostBackDataHandler.LoadPostData(String postDataKey, NameValueCollection postCollection) {
return LoadPostData(postDataKey, postCollection);
}
///
/// Loads the posted content of the list control if it is different from the last
/// posting.
///
protected virtual bool LoadPostData(String postDataKey, NameValueCollection postCollection) {
// When a RadioButtonList is disabled, then there is no postback data for it.
// Since RadioButtonList doesn't call RegisterRequiresPostBack, this method will
// never be called, so we don't need to worry about ignoring empty postback data.
string post = postCollection[postDataKey];
int currentSelectedIndex = SelectedIndex;
EnsureDataBound();
int n = Items.Count;
for (int i=0; i < n; i++) {
if (post == Items[i].Value && Items[i].Enabled) {
ValidateEvent(postDataKey, post);
if (i != currentSelectedIndex) {
SetPostDataSelection(i);
return true;
}
return false;
}
}
return false;
}
///
/// Invokes the OnSelectedIndexChanged
/// method whenever posted data for the
///
void IPostBackDataHandler.RaisePostDataChangedEvent() {
RaisePostDataChangedEvent();
}
///
/// Invokes the OnSelectedIndexChanged
/// method whenever posted data for the
///
protected virtual void RaisePostDataChangedEvent() {
if (AutoPostBack && Page != null && !Page.IsPostBackEventControlRegistered) {
// VSWhidbey 204824
Page.AutoPostBackControl = this;
if (CausesValidation) {
Page.Validate(ValidationGroup);
}
}
OnSelectedIndexChanged(EventArgs.Empty);
}
protected internal override void Render(HtmlTextWriter writer) {
#if ORCAS
if (VisibleItemCount == 0) {
return;
}
#else
if (Items.Count == 0 && !EnableLegacyRendering) {
return;
}
#endif
RepeatInfo repeatInfo = new RepeatInfo();
Style style = (ControlStyleCreated ? ControlStyle : null);
short tabIndex = TabIndex;
bool undirtyTabIndex = false;
// TabIndex here is special... it needs to be applied to the individual
// radiobuttons and not the outer control itself
// cache away the TabIndex property state
ControlToRepeat.TabIndex = tabIndex;
if (tabIndex != 0) {
if (ViewState.IsItemDirty("TabIndex") == false) {
undirtyTabIndex = true;
}
TabIndex = 0;
}
repeatInfo.RepeatColumns = RepeatColumns;
repeatInfo.RepeatDirection = RepeatDirection;
// If the device does not support tables, use the flow layout to render
if (!DesignMode && !Context.Request.Browser.Tables) {
repeatInfo.RepeatLayout = RepeatLayout.Flow;
}
else {
repeatInfo.RepeatLayout = RepeatLayout;
}
if (repeatInfo.RepeatLayout == RepeatLayout.Flow) {
repeatInfo.EnableLegacyRendering = EnableLegacyRendering;
}
repeatInfo.RenderRepeater(writer, (IRepeatInfoUser)this, style, this);
if (Page != null) {
Page.ClientScript.RegisterForEventValidation(UniqueID);
}
// restore the state of the TabIndex property
if (tabIndex != 0) {
TabIndex = tabIndex;
}
if (undirtyTabIndex) {
ViewState.SetItemDirty("TabIndex", false);
}
}
///
///
bool IRepeatInfoUser.HasFooter {
get {
return HasFooter;
}
}
///
///
protected virtual bool HasFooter {
get {
return false;
}
}
///
///
bool IRepeatInfoUser.HasHeader {
get {
return HasHeader;
}
}
///
///
protected virtual bool HasHeader {
get {
return false;
}
}
///
///
bool IRepeatInfoUser.HasSeparators {
get {
return HasSeparators;
}
}
///
///
protected virtual bool HasSeparators {
get {
return false;
}
}
///
///
int IRepeatInfoUser.RepeatedItemCount {
get {
return RepeatedItemCount;
}
}
///
///
protected virtual int RepeatedItemCount {
get {
#if ORCAS
// If the whole control is contained on a single page,
// the count is the number of items.
if (VirtualStartPage == VirtualEndPage || _itemCount == -1) {
return Items.Count;
}
return _itemCount;
#else
return (Items != null) ? Items.Count : 0;
#endif
}
}
///
///
Style IRepeatInfoUser.GetItemStyle(ListItemType itemType, int repeatIndex) {
return GetItemStyle(itemType, repeatIndex);
}
///
///
protected virtual Style GetItemStyle(ListItemType itemType, int repeatIndex) {
return null;
}
///
/// Called by the RepeatInfo helper to render each item
///
void IRepeatInfoUser.RenderItem(ListItemType itemType, int repeatIndex, RepeatInfo repeatInfo, HtmlTextWriter writer) {
RenderItem(itemType, repeatIndex, repeatInfo, writer);
}
///
/// Called by the RepeatInfo helper to render each item
///
protected virtual void RenderItem(ListItemType itemType, int repeatIndex, RepeatInfo repeatInfo, HtmlTextWriter writer) {
if (repeatIndex == 0) {
_cachedIsEnabled = IsEnabled;
_cachedRegisterEnabled = (Page != null) && (SaveSelectedIndicesViewState == false);
}
RadioButton controlToRepeat = ControlToRepeat;
// Apply properties of the list items
int repeatIndexOffset = repeatIndex + _offset;
ListItem item = Items[repeatIndexOffset];
// VSWhidbey 153920 Render expando attributes.
controlToRepeat.Attributes.Clear();
if (item.HasAttributes) {
foreach (string key in item.Attributes.Keys) {
controlToRepeat.Attributes[key] = item.Attributes[key];
}
}
controlToRepeat.ID = repeatIndexOffset.ToString(NumberFormatInfo.InvariantInfo);
controlToRepeat.Text = item.Text;
controlToRepeat.Attributes["value"] = item.Value;
controlToRepeat.Checked = item.Selected;
controlToRepeat.Enabled = _cachedIsEnabled && item.Enabled;
controlToRepeat.TextAlign = TextAlign;
controlToRepeat.RenderControl(writer);
if (controlToRepeat.Enabled && _cachedRegisterEnabled && Page != null) {
// Store a client-side array of enabled control, so we can re-enable them on
// postback (in case they are disabled client-side)
// Postback is needed when SelectedIndices is not saved in view state
Page.RegisterEnabledControl(controlToRepeat);
}
}
#if ORCAS
///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ByeOperationCD1AsyncResult.cs
- LinqDataSourceDisposeEventArgs.cs
- GreenMethods.cs
- ImageAttributes.cs
- ImmutableClientRuntime.cs
- Tag.cs
- RoleManagerSection.cs
- EventEntry.cs
- MissingFieldException.cs
- XmlEventCache.cs
- Int64Animation.cs
- AssociationTypeEmitter.cs
- DataGridViewComboBoxColumnDesigner.cs
- RepeaterItem.cs
- CallbackHandler.cs
- Touch.cs
- TextElement.cs
- RepeaterItemCollection.cs
- _TLSstream.cs
- StringResourceManager.cs
- OleDbConnectionFactory.cs
- Application.cs
- ApplicationServiceHelper.cs
- ChannelBinding.cs
- TreeNodeMouseHoverEvent.cs
- SqlCharStream.cs
- ObjectMemberMapping.cs
- DocumentOrderComparer.cs
- Utils.cs
- CheckBoxBaseAdapter.cs
- EntryIndex.cs
- RbTree.cs
- XomlCompilerHelpers.cs
- AppDomainEvidenceFactory.cs
- Operator.cs
- TypeSource.cs
- Decoder.cs
- DataGridViewDataErrorEventArgs.cs
- CompressedStack.cs
- BamlCollectionHolder.cs
- XsltLoader.cs
- LinqDataSourceDeleteEventArgs.cs
- OutputCacheProfile.cs
- SqlRowUpdatingEvent.cs
- ReadOnlyDataSourceView.cs
- CollectionViewProxy.cs
- XmlQueryRuntime.cs
- MethodBody.cs
- ClientScriptManager.cs
- TypefaceMetricsCache.cs
- ListViewHitTestInfo.cs
- DataSourceCacheDurationConverter.cs
- FrameworkTextComposition.cs
- MetadataPropertyAttribute.cs
- x509store.cs
- DataGridSortCommandEventArgs.cs
- PageOutputQuality.cs
- ProcessInfo.cs
- OrderedHashRepartitionStream.cs
- EngineSite.cs
- CancellationTokenSource.cs
- TemplateKey.cs
- CancellationToken.cs
- DbModificationClause.cs
- ResXResourceWriter.cs
- WizardForm.cs
- UInt32Storage.cs
- ContainerParagraph.cs
- StreamUpgradeAcceptor.cs
- StreamWithDictionary.cs
- WindowInteropHelper.cs
- Reference.cs
- DomNameTable.cs
- UriWriter.cs
- Site.cs
- ThreadStartException.cs
- SchemaCollectionCompiler.cs
- LineGeometry.cs
- ChannelSinkStacks.cs
- CharConverter.cs
- BitmapCodecInfo.cs
- Process.cs
- ForeignKeyConstraint.cs
- SetStateDesigner.cs
- RC2.cs
- TableRow.cs
- ObjectTypeMapping.cs
- DataGridViewTopRowAccessibleObject.cs
- CodeCompiler.cs
- Model3DGroup.cs
- PrivacyNoticeElement.cs
- PerfCounterSection.cs
- InputLanguageProfileNotifySink.cs
- WMIInterop.cs
- ContextStack.cs
- AssemblyNameProxy.cs
- Expression.DebuggerProxy.cs
- CheckedPointers.cs
- HTMLTextWriter.cs
- Compiler.cs