Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / DEVDIV / depot / DevDiv / releases / whidbey / QFE / ndp / fx / src / xsp / System / Web / UI / HtmlControls / HtmlInputFile.cs / 1 / HtmlInputFile.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * HtmlInputFile.cs * * Copyright (c) 2000 Microsoft Corporation */ namespace System.Web.UI.HtmlControls { 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; ////// /// The /// < [ ValidationProperty("Value") ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class HtmlInputFile : HtmlInputControl, IPostBackDataHandler { /* * Creates an intrinsic Html INPUT type=file control. */ ///class defines the /// methods, properties, and events for the control. This class allows /// programmatic access to the HTML <input type= file> element on the server. /// It provides access to the stream, as well as a useful SaveAs functionality /// provided by the /// property. /// /// public HtmlInputFile() : base("file") { } /* * Accept type property. */ ///Initializes a new instance of the ///class. /// [ WebCategory("Behavior"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public string Accept { get { string s = Attributes["accept"]; return((s != null) ? s : String.Empty); } set { Attributes["accept"] = MapStringAttributeToString(value); } } /* * The property for the maximum characters allowed. */ ////// Gets /// or sets a comma-separated list of MIME encodings that /// can be used to constrain the file types that the browser lets the user /// select. For example, to restrict the /// selection to images, the accept value image/* should be specified. /// ////// [ WebCategory("Behavior"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public int MaxLength { get { string s = Attributes["maxlength"]; return((s != null) ? Int32.Parse(s, CultureInfo.InvariantCulture) : -1); } set { Attributes["maxlength"] = MapIntegerAttributeToString(value); } } /* * PostedFile property. */ ////// Gets or sets the /// maximum length of the file path of the file to upload /// from the client machine. /// ////// [ WebCategory("Default"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public HttpPostedFile PostedFile { get { return Context.Request.Files[RenderedNameAttribute];} } /* * The property for the width in characters. */ ///Gets access to the uploaded file specified by a client. ////// [ WebCategory("Appearance"), DefaultValue(-1), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public int Size { get { string s = Attributes["size"]; return((s != null) ? Int32.Parse(s, CultureInfo.InvariantCulture) : -1); } set { Attributes["size"] = MapIntegerAttributeToString(value); } } // ASURT 122262 : The value property isn't submitted back to us when the a page // containing this control postsback, so required field validators are broken // (value would contain the empty string). To fix this, we return the filename. [ Browsable(false) ] public override string Value { get { HttpPostedFile postedFile = PostedFile; if (postedFile != null) { return postedFile.FileName; } return String.Empty; } set { // Throw here because setting the value on this tag has no effect on the // rendering behavior and since we're always returning the posted file's // filename, we don't want to get into a situation where the user // sets a value and does not get back that value. throw new NotSupportedException(SR.GetString(SR.Value_Set_Not_Supported, this.GetType().Name)); } } /* * Method of IPostBackDataHandler interface to process posted data. */ ///Gets or sets the width of the file-path text box that the /// browser displays when the ////// control is used on a page. bool IPostBackDataHandler.LoadPostData(string postDataKey, NameValueCollection postCollection) { return LoadPostData(postDataKey, postCollection); } protected virtual bool LoadPostData(string postDataKey, NameValueCollection postCollection) { return false; } /* * Method of IPostBackDataHandler interface which is invoked whenever * posted data for a control has changed. RadioButton fires an * OnServerChange event. */ /// void IPostBackDataHandler.RaisePostDataChangedEvent() { RaisePostDataChangedEvent(); } protected virtual void RaisePostDataChangedEvent() { } /// /// protected internal override void OnPreRender(EventArgs e) { base.OnPreRender(e); // ASURT 35328: use multipart encoding if no encoding is currently specified HtmlForm form = Page.Form; if (form != null && form.Enctype.Length == 0) { form.Enctype = "multipart/form-data"; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ //Raises the ///event. This method uses event arguments /// to pass the event data to the control. // Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * HtmlInputFile.cs * * Copyright (c) 2000 Microsoft Corporation */ namespace System.Web.UI.HtmlControls { 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; ////// /// The /// < [ ValidationProperty("Value") ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class HtmlInputFile : HtmlInputControl, IPostBackDataHandler { /* * Creates an intrinsic Html INPUT type=file control. */ ///class defines the /// methods, properties, and events for the control. This class allows /// programmatic access to the HTML <input type= file> element on the server. /// It provides access to the stream, as well as a useful SaveAs functionality /// provided by the /// property. /// /// public HtmlInputFile() : base("file") { } /* * Accept type property. */ ///Initializes a new instance of the ///class. /// [ WebCategory("Behavior"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public string Accept { get { string s = Attributes["accept"]; return((s != null) ? s : String.Empty); } set { Attributes["accept"] = MapStringAttributeToString(value); } } /* * The property for the maximum characters allowed. */ ////// Gets /// or sets a comma-separated list of MIME encodings that /// can be used to constrain the file types that the browser lets the user /// select. For example, to restrict the /// selection to images, the accept value image/* should be specified. /// ////// [ WebCategory("Behavior"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public int MaxLength { get { string s = Attributes["maxlength"]; return((s != null) ? Int32.Parse(s, CultureInfo.InvariantCulture) : -1); } set { Attributes["maxlength"] = MapIntegerAttributeToString(value); } } /* * PostedFile property. */ ////// Gets or sets the /// maximum length of the file path of the file to upload /// from the client machine. /// ////// [ WebCategory("Default"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public HttpPostedFile PostedFile { get { return Context.Request.Files[RenderedNameAttribute];} } /* * The property for the width in characters. */ ///Gets access to the uploaded file specified by a client. ////// [ WebCategory("Appearance"), DefaultValue(-1), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public int Size { get { string s = Attributes["size"]; return((s != null) ? Int32.Parse(s, CultureInfo.InvariantCulture) : -1); } set { Attributes["size"] = MapIntegerAttributeToString(value); } } // ASURT 122262 : The value property isn't submitted back to us when the a page // containing this control postsback, so required field validators are broken // (value would contain the empty string). To fix this, we return the filename. [ Browsable(false) ] public override string Value { get { HttpPostedFile postedFile = PostedFile; if (postedFile != null) { return postedFile.FileName; } return String.Empty; } set { // Throw here because setting the value on this tag has no effect on the // rendering behavior and since we're always returning the posted file's // filename, we don't want to get into a situation where the user // sets a value and does not get back that value. throw new NotSupportedException(SR.GetString(SR.Value_Set_Not_Supported, this.GetType().Name)); } } /* * Method of IPostBackDataHandler interface to process posted data. */ ///Gets or sets the width of the file-path text box that the /// browser displays when the ////// control is used on a page. bool IPostBackDataHandler.LoadPostData(string postDataKey, NameValueCollection postCollection) { return LoadPostData(postDataKey, postCollection); } protected virtual bool LoadPostData(string postDataKey, NameValueCollection postCollection) { return false; } /* * Method of IPostBackDataHandler interface which is invoked whenever * posted data for a control has changed. RadioButton fires an * OnServerChange event. */ /// void IPostBackDataHandler.RaisePostDataChangedEvent() { RaisePostDataChangedEvent(); } protected virtual void RaisePostDataChangedEvent() { } /// /// protected internal override void OnPreRender(EventArgs e) { base.OnPreRender(e); // ASURT 35328: use multipart encoding if no encoding is currently specified HtmlForm form = Page.Form; if (form != null && form.Enctype.Length == 0) { form.Enctype = "multipart/form-data"; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.Raises the ///event. This method uses event arguments /// to pass the event data to the control.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- XmlSchemaSubstitutionGroup.cs
- ContainerVisual.cs
- xamlnodes.cs
- ClientProxyGenerator.cs
- ModuleConfigurationInfo.cs
- SpellCheck.cs
- XmlStreamStore.cs
- XPathParser.cs
- InitiatorServiceModelSecurityTokenRequirement.cs
- AutomationIdentifier.cs
- ComboBox.cs
- EastAsianLunisolarCalendar.cs
- TouchFrameEventArgs.cs
- CalendarAutoFormat.cs
- WebZone.cs
- CodeAttributeArgument.cs
- ConcurrentBag.cs
- ChunkedMemoryStream.cs
- CollectionConverter.cs
- sqlstateclientmanager.cs
- DependencyPropertyConverter.cs
- EventHandlersStore.cs
- DoubleConverter.cs
- FunctionImportMapping.ReturnTypeRenameMapping.cs
- TextViewSelectionProcessor.cs
- BinaryMethodMessage.cs
- StringValueSerializer.cs
- SqlClientMetaDataCollectionNames.cs
- COM2Properties.cs
- storepermission.cs
- XPathAncestorQuery.cs
- recordstatefactory.cs
- AutoResetEvent.cs
- FileAuthorizationModule.cs
- mediaclock.cs
- SpeakInfo.cs
- AppPool.cs
- XmlNodeReader.cs
- TypeSystemProvider.cs
- DBParameter.cs
- FontResourceCache.cs
- StylusShape.cs
- DnsElement.cs
- DbSourceParameterCollection.cs
- FixUpCollection.cs
- MethodRental.cs
- ProcessHostServerConfig.cs
- NavigationWindowAutomationPeer.cs
- ProgressPage.cs
- autovalidator.cs
- RuleSettingsCollection.cs
- SerializationFieldInfo.cs
- SystemBrushes.cs
- RotateTransform.cs
- WorkflowServiceHost.cs
- BufferBuilder.cs
- WebContentFormatHelper.cs
- EmptyElement.cs
- TransactedBatchingBehavior.cs
- Blend.cs
- MdiWindowListItemConverter.cs
- ProviderMetadataCachedInformation.cs
- FileDialog_Vista.cs
- ToolStripItemCollection.cs
- DecoderReplacementFallback.cs
- DataGridViewRowPrePaintEventArgs.cs
- DefaultTextStore.cs
- CompoundFileStorageReference.cs
- MemoryFailPoint.cs
- PersonalizationProviderHelper.cs
- TraceUtility.cs
- WebConfigurationHost.cs
- XmlEnumAttribute.cs
- SchemaManager.cs
- MemberPath.cs
- ScopedMessagePartSpecification.cs
- StopRoutingHandler.cs
- SimpleParser.cs
- FormViewDeleteEventArgs.cs
- LinkUtilities.cs
- DateTimePickerDesigner.cs
- TextEncodedRawTextWriter.cs
- ApplicationFileParser.cs
- HtmlTitle.cs
- Compilation.cs
- FlowDocumentFormatter.cs
- MessageAction.cs
- CachedFontFace.cs
- DictationGrammar.cs
- RsaSecurityToken.cs
- _ConnectOverlappedAsyncResult.cs
- ColorBlend.cs
- CssStyleCollection.cs
- DataRelationCollection.cs
- AttachedAnnotation.cs
- ScalarOps.cs
- EllipseGeometry.cs
- SQLDoubleStorage.cs
- Decimal.cs
- SoapClientMessage.cs