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
- BufferModesCollection.cs
- DrawingContext.cs
- SystemInformation.cs
- ZipIOExtraFieldZip64Element.cs
- SamlAction.cs
- HtmlInputImage.cs
- XmlCharCheckingWriter.cs
- TrackBarRenderer.cs
- Popup.cs
- DataGridHeaderBorder.cs
- FunctionNode.cs
- CommonProperties.cs
- TreeNodeCollection.cs
- CommandHelper.cs
- CursorConverter.cs
- PropertyRef.cs
- TemplateBindingExpressionConverter.cs
- DataTableReader.cs
- XmlCompatibilityReader.cs
- ByteStorage.cs
- UriParserTemplates.cs
- Geometry3D.cs
- CompilerResults.cs
- ScrollEvent.cs
- BasicDesignerLoader.cs
- CompareValidator.cs
- TargetFrameworkAttribute.cs
- _OverlappedAsyncResult.cs
- DefaultMemberAttribute.cs
- PackageRelationshipSelector.cs
- EntityProviderFactory.cs
- BufferModeSettings.cs
- PointConverter.cs
- GeneratedContractType.cs
- HtmlAnchor.cs
- LeaseManager.cs
- ElementUtil.cs
- SimpleTableProvider.cs
- StyleXamlParser.cs
- CheckBoxField.cs
- BitmapEffectGroup.cs
- DataMember.cs
- EventProviderWriter.cs
- DoWorkEventArgs.cs
- HuffModule.cs
- HttpModulesSection.cs
- nulltextcontainer.cs
- EventLog.cs
- Validator.cs
- InputBindingCollection.cs
- StrokeFIndices.cs
- CompilerInfo.cs
- Point3DAnimation.cs
- ComPlusTraceRecord.cs
- BitmapImage.cs
- Exceptions.cs
- BrowsableAttribute.cs
- MarkedHighlightComponent.cs
- NoClickablePointException.cs
- TableLayoutPanelCodeDomSerializer.cs
- TextRangeEditLists.cs
- LineServicesRun.cs
- FileSystemWatcher.cs
- ExtendLockAsyncResult.cs
- SystemThemeKey.cs
- MultiSelector.cs
- SQLDecimal.cs
- StylusCollection.cs
- SQlBooleanStorage.cs
- XsltArgumentList.cs
- NetworkAddressChange.cs
- TypeDelegator.cs
- Configuration.cs
- SingleKeyFrameCollection.cs
- X509Chain.cs
- WebResourceAttribute.cs
- DropDownHolder.cs
- CreateUserErrorEventArgs.cs
- ImagingCache.cs
- GridToolTip.cs
- UInt32.cs
- RefType.cs
- Rfc2898DeriveBytes.cs
- TimeSpanOrInfiniteValidator.cs
- SizeConverter.cs
- PropertyCondition.cs
- VersionConverter.cs
- BulletChrome.cs
- NameTable.cs
- TextUtf8RawTextWriter.cs
- FieldTemplateFactory.cs
- TrackingMemoryStreamFactory.cs
- HandleScope.cs
- OdbcDataAdapter.cs
- PermissionSetTriple.cs
- TextEditorSelection.cs
- TemplateBindingExpressionConverter.cs
- nulltextnavigator.cs
- SecurityTraceRecordHelper.cs
- WizardPanel.cs