Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / WebControls / HyperLinkColumn.cs / 1305376 / 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.Web.Util; ////// 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.Web.Util; ////// 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
- XmlSchemaDocumentation.cs
- TextTreeText.cs
- QilXmlWriter.cs
- Expressions.cs
- NullableConverter.cs
- UInt32.cs
- FileSystemWatcher.cs
- WindowsListViewItem.cs
- WindowsScrollBar.cs
- SystemResourceHost.cs
- ResolveResponse.cs
- DbConnectionStringBuilder.cs
- DataControlFieldHeaderCell.cs
- CommandExpr.cs
- PropertyItemInternal.cs
- GlyphTypeface.cs
- EndpointNotFoundException.cs
- EntitySqlQueryBuilder.cs
- ExpressionWriter.cs
- DataSpaceManager.cs
- BidOverLoads.cs
- ObservableCollection.cs
- DbConnectionPool.cs
- DataGridViewTopLeftHeaderCell.cs
- HttpFileCollection.cs
- XmlTextEncoder.cs
- DataViewManagerListItemTypeDescriptor.cs
- DbXmlEnabledProviderManifest.cs
- FloatUtil.cs
- ClientTargetCollection.cs
- NumberFunctions.cs
- SynchronizedChannelCollection.cs
- DynamicRenderer.cs
- ListViewUpdatedEventArgs.cs
- WebPartMenu.cs
- Point4DValueSerializer.cs
- Trigger.cs
- ExceptionValidationRule.cs
- SignedXml.cs
- DockAndAnchorLayout.cs
- LookupNode.cs
- XamlFrame.cs
- TextServicesHost.cs
- ItemsChangedEventArgs.cs
- EventDescriptor.cs
- DataRecordInfo.cs
- Contracts.cs
- LeaseManager.cs
- SafeNativeMethods.cs
- WaitHandle.cs
- AssemblyAttributesGoHere.cs
- MenuScrollingVisibilityConverter.cs
- RewritingValidator.cs
- WebMethodAttribute.cs
- FontDifferentiator.cs
- StoreContentChangedEventArgs.cs
- OutputScopeManager.cs
- EntityDataSourceValidationException.cs
- PriorityBindingExpression.cs
- RichTextBoxAutomationPeer.cs
- SystemWebSectionGroup.cs
- TreePrinter.cs
- KerberosRequestorSecurityToken.cs
- IItemContainerGenerator.cs
- pingexception.cs
- DataGridColumnHeadersPresenter.cs
- AbsoluteQuery.cs
- ArithmeticException.cs
- EntityAdapter.cs
- WorkflowCommandExtensionItem.cs
- ProvidersHelper.cs
- TextFormatter.cs
- ArithmeticException.cs
- SqlLiftWhereClauses.cs
- SafeSystemMetrics.cs
- TemplateBamlRecordReader.cs
- MatrixCamera.cs
- DesignTimeXamlWriter.cs
- GuidelineSet.cs
- SqlCacheDependencyDatabase.cs
- DataGridViewDataErrorEventArgs.cs
- AttributeData.cs
- SurrogateSelector.cs
- RestrictedTransactionalPackage.cs
- StorageEntityContainerMapping.cs
- SortDescription.cs
- FormsAuthenticationCredentials.cs
- ActivitySurrogateSelector.cs
- ImageAutomationPeer.cs
- ProvidersHelper.cs
- CDSCollectionETWBCLProvider.cs
- AvtEvent.cs
- PersonalizationProviderHelper.cs
- HttpWriter.cs
- BaseResourcesBuildProvider.cs
- CustomAttributeFormatException.cs
- StyleXamlParser.cs
- NetCodeGroup.cs
- SafeWaitHandle.cs
- SByteStorage.cs