Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / DEVDIV / depot / DevDiv / releases / whidbey / QFE / ndp / fx / src / xsp / System / Web / UI / WebControls / HyperLinkColumn.cs / 2 / HyperLinkColumn.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.ComponentModel; using System.Globalization; using System.Web; using System.Web.UI; using System.Security.Permissions; using System.Web.Util; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class HyperLinkColumn : DataGridColumn { private PropertyDescriptor textFieldDesc; private PropertyDescriptor urlFieldDesc; ///Creates a column within the ///containing hyperlinks that /// navigate to specified URLs. /// public HyperLinkColumn() { } ///Initializes a new instance of the ///class. /// [ WebCategory("Data"), DefaultValue(""), WebSysDescription(SR.HyperLinkColumn_DataNavigateUrlField) ] public virtual string DataNavigateUrlField { get { object o = ViewState["DataNavigateUrlField"]; if (o != null) return(string)o; return String.Empty; } set { ViewState["DataNavigateUrlField"] = value; OnColumnChanged(); } } ///Gets or sets the field in the DataSource that provides the URL of the page to navigate to. ////// [ WebCategory("Data"), DefaultValue(""), DescriptionAttribute("The formatting applied to the value bound to the NavigateUrl property.") ] public virtual string DataNavigateUrlFormatString { get { object o = ViewState["DataNavigateUrlFormatString"]; if (o != null) return(string)o; return String.Empty; } set { ViewState["DataNavigateUrlFormatString"] = value; OnColumnChanged(); } } ///Gets or sets the formatting applied to the ////// property. /// [ WebCategory("Data"), DefaultValue(""), WebSysDescription(SR.HyperLinkColumn_DataTextField) ] public virtual string DataTextField { get { object o = ViewState["DataTextField"]; if (o != null) return(string)o; return String.Empty; } set { ViewState["DataTextField"] = value; OnColumnChanged(); } } ///Gets or sets the field in the DataSource that will be used as the source of /// data for the ///property. /// [ WebCategory("Data"), DefaultValue(""), DescriptionAttribute("The formatting applied to the value bound to the Text property.") ] public virtual string DataTextFormatString { get { object o = ViewState["DataTextFormatString"]; if (o != null) return(string)o; return String.Empty; } set { ViewState["DataTextFormatString"] = value; OnColumnChanged(); } } ///Gets or sets the formatting applied to the ////// property. /// [ WebCategory("Behavior"), DefaultValue(""), UrlProperty(), WebSysDescription(SR.HyperLinkColumn_NavigateUrl) ] public virtual string NavigateUrl { get { object o = ViewState["NavigateUrl"]; if (o != null) return(string)o; return String.Empty; } set { ViewState["NavigateUrl"] = value; OnColumnChanged(); } } ///Gets or sets the URL to navigate to when the hyperlink is clicked. ////// [ WebCategory("Behavior"), DefaultValue(""), TypeConverter(typeof(TargetConverter)), WebSysDescription(SR.HyperLink_Target) ] public virtual string Target { get { object o = ViewState["Target"]; if (o != null) return(string)o; return String.Empty; } set { ViewState["Target"] = value; OnColumnChanged(); } } ///Gets or sets the window or target frame that is /// used to display the contents resulting from the hyperlink. ////// [ Localizable(true), WebCategory("Appearance"), DefaultValue(""), WebSysDescription(SR.HyperLinkColumn_Text) ] public virtual string Text { get { object o = ViewState["Text"]; if (o != null) return(string)o; return String.Empty; } set { ViewState["Text"] = value; OnColumnChanged(); } } ///Gets or sets the text to display for the hyperlink. ////// protected virtual string FormatDataNavigateUrlValue(object dataUrlValue) { string formattedUrlValue = String.Empty; if (!DataBinder.IsNull(dataUrlValue)) { string formatting = DataNavigateUrlFormatString; if (formatting.Length == 0) { formattedUrlValue = dataUrlValue.ToString(); } else { formattedUrlValue = String.Format(CultureInfo.CurrentCulture, formatting, dataUrlValue); } } return formattedUrlValue; } ////// protected virtual string FormatDataTextValue(object dataTextValue) { string formattedTextValue = String.Empty; if (!DataBinder.IsNull(dataTextValue)) { string formatting = DataTextFormatString; if (formatting.Length == 0) { formattedTextValue = dataTextValue.ToString(); } else { formattedTextValue = String.Format(CultureInfo.CurrentCulture, formatting, dataTextValue); } } return formattedTextValue; } ////// public override void Initialize() { base.Initialize(); textFieldDesc = null; urlFieldDesc = null; } ////// public override void InitializeCell(TableCell cell, int columnIndex, ListItemType itemType) { base.InitializeCell(cell, columnIndex, itemType); if ((itemType != ListItemType.Header) && (itemType != ListItemType.Footer)) { HyperLink hyperLink = new HyperLink(); hyperLink.Text = Text; hyperLink.NavigateUrl = NavigateUrl; hyperLink.Target = Target; if ((DataNavigateUrlField.Length != 0) || (DataTextField.Length != 0)) { hyperLink.DataBinding += new EventHandler(this.OnDataBindColumn); } cell.Controls.Add(hyperLink); } } ////// Initializes the cell representing this column with the /// contained hyperlink. ////// private void OnDataBindColumn(object sender, EventArgs e) { Debug.Assert((DataTextField.Length != 0) || (DataNavigateUrlField.Length != 0), "Shouldn't be DataBinding without a DataTextField and DataNavigateUrlField"); HyperLink boundControl = (HyperLink)sender; DataGridItem item = (DataGridItem)boundControl.NamingContainer; object dataItem = item.DataItem; if ((textFieldDesc == null) && (urlFieldDesc == null)) { PropertyDescriptorCollection props = TypeDescriptor.GetProperties(dataItem); string fieldName; fieldName = DataTextField; if (fieldName.Length != 0) { textFieldDesc = props.Find(fieldName, true); if ((textFieldDesc == null) && !DesignMode) { throw new HttpException(SR.GetString(SR.Field_Not_Found, fieldName)); } } fieldName = DataNavigateUrlField; if (fieldName.Length != 0) { urlFieldDesc = props.Find(fieldName, true); if ((urlFieldDesc == null) && !DesignMode) { throw new HttpException(SR.GetString(SR.Field_Not_Found, fieldName)); } } } if (textFieldDesc != null) { object data = textFieldDesc.GetValue(dataItem); string dataValue = FormatDataTextValue(data); boundControl.Text = dataValue; } else if (DesignMode && (DataTextField.Length != 0)) { boundControl.Text = SR.GetString(SR.Sample_Databound_Text); } if (urlFieldDesc != null) { object data = urlFieldDesc.GetValue(dataItem); string dataValue = FormatDataNavigateUrlValue(data); boundControl.NavigateUrl = dataValue; } else if (DesignMode && (DataNavigateUrlField.Length != 0)) { boundControl.NavigateUrl = "url"; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.ComponentModel; using System.Globalization; using System.Web; using System.Web.UI; using System.Security.Permissions; using System.Web.Util; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class HyperLinkColumn : DataGridColumn { private PropertyDescriptor textFieldDesc; private PropertyDescriptor urlFieldDesc; ///Creates a column within the ///containing hyperlinks that /// navigate to specified URLs. /// public HyperLinkColumn() { } ///Initializes a new instance of the ///class. /// [ WebCategory("Data"), DefaultValue(""), WebSysDescription(SR.HyperLinkColumn_DataNavigateUrlField) ] public virtual string DataNavigateUrlField { get { object o = ViewState["DataNavigateUrlField"]; if (o != null) return(string)o; return String.Empty; } set { ViewState["DataNavigateUrlField"] = value; OnColumnChanged(); } } ///Gets or sets the field in the DataSource that provides the URL of the page to navigate to. ////// [ WebCategory("Data"), DefaultValue(""), DescriptionAttribute("The formatting applied to the value bound to the NavigateUrl property.") ] public virtual string DataNavigateUrlFormatString { get { object o = ViewState["DataNavigateUrlFormatString"]; if (o != null) return(string)o; return String.Empty; } set { ViewState["DataNavigateUrlFormatString"] = value; OnColumnChanged(); } } ///Gets or sets the formatting applied to the ////// property. /// [ WebCategory("Data"), DefaultValue(""), WebSysDescription(SR.HyperLinkColumn_DataTextField) ] public virtual string DataTextField { get { object o = ViewState["DataTextField"]; if (o != null) return(string)o; return String.Empty; } set { ViewState["DataTextField"] = value; OnColumnChanged(); } } ///Gets or sets the field in the DataSource that will be used as the source of /// data for the ///property. /// [ WebCategory("Data"), DefaultValue(""), DescriptionAttribute("The formatting applied to the value bound to the Text property.") ] public virtual string DataTextFormatString { get { object o = ViewState["DataTextFormatString"]; if (o != null) return(string)o; return String.Empty; } set { ViewState["DataTextFormatString"] = value; OnColumnChanged(); } } ///Gets or sets the formatting applied to the ////// property. /// [ WebCategory("Behavior"), DefaultValue(""), UrlProperty(), WebSysDescription(SR.HyperLinkColumn_NavigateUrl) ] public virtual string NavigateUrl { get { object o = ViewState["NavigateUrl"]; if (o != null) return(string)o; return String.Empty; } set { ViewState["NavigateUrl"] = value; OnColumnChanged(); } } ///Gets or sets the URL to navigate to when the hyperlink is clicked. ////// [ WebCategory("Behavior"), DefaultValue(""), TypeConverter(typeof(TargetConverter)), WebSysDescription(SR.HyperLink_Target) ] public virtual string Target { get { object o = ViewState["Target"]; if (o != null) return(string)o; return String.Empty; } set { ViewState["Target"] = value; OnColumnChanged(); } } ///Gets or sets the window or target frame that is /// used to display the contents resulting from the hyperlink. ////// [ Localizable(true), WebCategory("Appearance"), DefaultValue(""), WebSysDescription(SR.HyperLinkColumn_Text) ] public virtual string Text { get { object o = ViewState["Text"]; if (o != null) return(string)o; return String.Empty; } set { ViewState["Text"] = value; OnColumnChanged(); } } ///Gets or sets the text to display for the hyperlink. ////// protected virtual string FormatDataNavigateUrlValue(object dataUrlValue) { string formattedUrlValue = String.Empty; if (!DataBinder.IsNull(dataUrlValue)) { string formatting = DataNavigateUrlFormatString; if (formatting.Length == 0) { formattedUrlValue = dataUrlValue.ToString(); } else { formattedUrlValue = String.Format(CultureInfo.CurrentCulture, formatting, dataUrlValue); } } return formattedUrlValue; } ////// protected virtual string FormatDataTextValue(object dataTextValue) { string formattedTextValue = String.Empty; if (!DataBinder.IsNull(dataTextValue)) { string formatting = DataTextFormatString; if (formatting.Length == 0) { formattedTextValue = dataTextValue.ToString(); } else { formattedTextValue = String.Format(CultureInfo.CurrentCulture, formatting, dataTextValue); } } return formattedTextValue; } ////// public override void Initialize() { base.Initialize(); textFieldDesc = null; urlFieldDesc = null; } ////// public override void InitializeCell(TableCell cell, int columnIndex, ListItemType itemType) { base.InitializeCell(cell, columnIndex, itemType); if ((itemType != ListItemType.Header) && (itemType != ListItemType.Footer)) { HyperLink hyperLink = new HyperLink(); hyperLink.Text = Text; hyperLink.NavigateUrl = NavigateUrl; hyperLink.Target = Target; if ((DataNavigateUrlField.Length != 0) || (DataTextField.Length != 0)) { hyperLink.DataBinding += new EventHandler(this.OnDataBindColumn); } cell.Controls.Add(hyperLink); } } ////// Initializes the cell representing this column with the /// contained hyperlink. ////// private void OnDataBindColumn(object sender, EventArgs e) { Debug.Assert((DataTextField.Length != 0) || (DataNavigateUrlField.Length != 0), "Shouldn't be DataBinding without a DataTextField and DataNavigateUrlField"); HyperLink boundControl = (HyperLink)sender; DataGridItem item = (DataGridItem)boundControl.NamingContainer; object dataItem = item.DataItem; if ((textFieldDesc == null) && (urlFieldDesc == null)) { PropertyDescriptorCollection props = TypeDescriptor.GetProperties(dataItem); string fieldName; fieldName = DataTextField; if (fieldName.Length != 0) { textFieldDesc = props.Find(fieldName, true); if ((textFieldDesc == null) && !DesignMode) { throw new HttpException(SR.GetString(SR.Field_Not_Found, fieldName)); } } fieldName = DataNavigateUrlField; if (fieldName.Length != 0) { urlFieldDesc = props.Find(fieldName, true); if ((urlFieldDesc == null) && !DesignMode) { throw new HttpException(SR.GetString(SR.Field_Not_Found, fieldName)); } } } if (textFieldDesc != null) { object data = textFieldDesc.GetValue(dataItem); string dataValue = FormatDataTextValue(data); boundControl.Text = dataValue; } else if (DesignMode && (DataTextField.Length != 0)) { boundControl.Text = SR.GetString(SR.Sample_Databound_Text); } if (urlFieldDesc != null) { object data = urlFieldDesc.GetValue(dataItem); string dataValue = FormatDataNavigateUrlValue(data); boundControl.NavigateUrl = dataValue; } else if (DesignMode && (DataNavigateUrlField.Length != 0)) { boundControl.NavigateUrl = "url"; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- RichTextBox.cs
- ListManagerBindingsCollection.cs
- Rect3DValueSerializer.cs
- StatusBar.cs
- GeneralTransform3DCollection.cs
- HatchBrush.cs
- SoapCodeExporter.cs
- RelationshipEndMember.cs
- UrlMappingCollection.cs
- GridItemPatternIdentifiers.cs
- MutexSecurity.cs
- HashAlgorithm.cs
- DockingAttribute.cs
- Positioning.cs
- sqlstateclientmanager.cs
- Point4DConverter.cs
- SurrogateEncoder.cs
- DbConnectionPoolGroupProviderInfo.cs
- WeakEventTable.cs
- ToolTip.cs
- Select.cs
- ScriptReferenceEventArgs.cs
- VolatileResourceManager.cs
- NodeLabelEditEvent.cs
- SpellCheck.cs
- IndependentAnimationStorage.cs
- PkcsUtils.cs
- WindowAutomationPeer.cs
- System.Data.OracleClient_BID.cs
- RegexRunnerFactory.cs
- ComponentGuaranteesAttribute.cs
- RectAnimationBase.cs
- TraceUtility.cs
- BaseCollection.cs
- ToolStripScrollButton.cs
- FullTextLine.cs
- GridViewSelectEventArgs.cs
- CqlIdentifiers.cs
- SerialErrors.cs
- SignedInfo.cs
- FixedPageProcessor.cs
- ToolStripDropDownClosedEventArgs.cs
- Brush.cs
- PrintDialogException.cs
- PtsHost.cs
- hebrewshape.cs
- FixedMaxHeap.cs
- DES.cs
- ProcessManager.cs
- Errors.cs
- DynamicILGenerator.cs
- ExportOptions.cs
- PrintControllerWithStatusDialog.cs
- ProfileEventArgs.cs
- brushes.cs
- AuthenticateEventArgs.cs
- StandardToolWindows.cs
- FactoryGenerator.cs
- ExpandSegment.cs
- SystemResourceKey.cs
- AddingNewEventArgs.cs
- ConsoleCancelEventArgs.cs
- PrimitiveType.cs
- CacheEntry.cs
- NumericExpr.cs
- DataTrigger.cs
- DeadCharTextComposition.cs
- TextStore.cs
- PerformanceCounterManager.cs
- AdornerHitTestResult.cs
- Currency.cs
- ExtendedTransformFactory.cs
- Directory.cs
- Color.cs
- BindableAttribute.cs
- XmlArrayAttribute.cs
- UnsafeNetInfoNativeMethods.cs
- ResourceSet.cs
- SchemaDeclBase.cs
- GridViewUpdatedEventArgs.cs
- PageAdapter.cs
- RepeaterCommandEventArgs.cs
- GridViewSelectEventArgs.cs
- DomainUpDown.cs
- ByteAnimationBase.cs
- TraceProvider.cs
- PropertyMetadata.cs
- ScriptingAuthenticationServiceSection.cs
- TextEndOfSegment.cs
- BitmapData.cs
- KeyToListMap.cs
- StateDesigner.CommentLayoutGlyph.cs
- StateItem.cs
- FileUtil.cs
- DocumentViewerBase.cs
- SecureStringHasher.cs
- _Semaphore.cs
- XmlWhitespace.cs
- DataExchangeServiceBinder.cs
- MenuItemStyleCollection.cs