Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / xsp / System / Web / UI / WebControls / HyperLinkColumn.cs / 1 / 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. // //----------------------------------------------------------------------------- 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.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ZipIOZip64EndOfCentralDirectoryLocatorBlock.cs
- LayoutEvent.cs
- ControlAdapter.cs
- MaterializeFromAtom.cs
- EventWaitHandle.cs
- InkCanvasFeedbackAdorner.cs
- QilParameter.cs
- DataSourceSelectArguments.cs
- ISCIIEncoding.cs
- SafeRightsManagementQueryHandle.cs
- InputEventArgs.cs
- CmsInterop.cs
- SafeNativeMethods.cs
- GridViewUpdateEventArgs.cs
- TableRowsCollectionEditor.cs
- XmlParserContext.cs
- GlyphRunDrawing.cs
- ConfigurationElement.cs
- ObjectDataSource.cs
- Ticks.cs
- ToolStripItemTextRenderEventArgs.cs
- SafeRightsManagementQueryHandle.cs
- SmtpAuthenticationManager.cs
- ReadOnlyCollection.cs
- XmlFormatWriterGenerator.cs
- CombinedTcpChannel.cs
- PrincipalPermission.cs
- GeneralTransform.cs
- ScrollBar.cs
- XmlNodeChangedEventArgs.cs
- QilPatternFactory.cs
- ObjRef.cs
- CellTreeNodeVisitors.cs
- BinaryObjectInfo.cs
- TextTreeTextNode.cs
- WebPartConnectionsEventArgs.cs
- SerialReceived.cs
- _NegoState.cs
- SqlConnectionPoolGroupProviderInfo.cs
- ConnectionsZone.cs
- recordstatefactory.cs
- XmlDataContract.cs
- XComponentModel.cs
- ProxyAttribute.cs
- DataGrid.cs
- CodeTypeReference.cs
- DataServiceHost.cs
- SaveFileDialog.cs
- DataSetUtil.cs
- SystemColorTracker.cs
- InternalsVisibleToAttribute.cs
- EdmMember.cs
- RijndaelManaged.cs
- NonClientArea.cs
- ServicesExceptionNotHandledEventArgs.cs
- SimpleBitVector32.cs
- ApplicationServiceHelper.cs
- EntityWithChangeTrackerStrategy.cs
- EntityProviderServices.cs
- Point4DConverter.cs
- TransformGroup.cs
- ObjectNavigationPropertyMapping.cs
- BufferedGraphicsManager.cs
- FieldNameLookup.cs
- ModelUIElement3D.cs
- iisPickupDirectory.cs
- StylusPointProperty.cs
- GiveFeedbackEventArgs.cs
- TextBounds.cs
- ChangeToolStripParentVerb.cs
- SoapCodeExporter.cs
- MissingSatelliteAssemblyException.cs
- SettingsAttributes.cs
- IISUnsafeMethods.cs
- WebHeaderCollection.cs
- NonClientArea.cs
- DependencyPropertyAttribute.cs
- TreeNodeMouseHoverEvent.cs
- XmlTextWriter.cs
- SplitterEvent.cs
- UriParserTemplates.cs
- Grammar.cs
- TextPointer.cs
- CompositeFontFamily.cs
- LinqToSqlWrapper.cs
- ExpressionLexer.cs
- AssemblyInfo.cs
- SystemIPInterfaceStatistics.cs
- PageThemeBuildProvider.cs
- FrameworkElement.cs
- XPathNavigatorReader.cs
- ActivationArguments.cs
- FileEnumerator.cs
- DbConnectionStringBuilder.cs
- Point3DConverter.cs
- ComboBox.cs
- VarRemapper.cs
- ParserContext.cs
- ExpressionContext.cs
- AssemblyResourceLoader.cs