... a property named the AssociatedControlID property. You can set this property to point at an ASP.NET control that represents a form field. For example, the page in Listing 2.3 contains a simple ... ASP.NET 2.0 pages, ASP.NET 3.0 pages, ASP.NET 3.5 pages, and ASP.NET 4 pages. Each version of .NET Framework is installed in the following folder: C:\WINDOWS\Microsoft.NET\Framework Fo...
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... control, like the TextBox control, supports the AutoPostBack property. The page in Listing 2 .11 illustrates how you can use the AutoPostBack property to post the form containing the check box ... you use this property, the proper (accessibility standards-compliant) HTML <label> tag is gener- ated for the TextBox. From the Library of Wow! eBook ptg 83 Accepting User Input 2 id=”rdl...
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ASP.NET 4 Unleased - p 19 pptx
... and Text property is that any message that you assign to the ErrorMessage property appears in the ValidationSummary control, and any message that you assign to the Text property appears in ... property. This property contains the name of a JavaScript function defined in the page’s <head> tag. The JavaScript validation function accepts the same two parameters as the server-side ... v...
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ASP.NET 4 Unleased - p 21 pptx
... Figure 4. 1). 4 FIGURE 4. 1 Displaying a photo gallery. From the Library of Wow! eBook ptg 181 Accepting File Uploads NOTE Adding a FileUpload control to a page automatically adds a enctype=”multipart/form-data” ... FileUpload control. . SaveAs—Enables you to save the uploaded file to the file system. The FileUpload control’s PostedFile property enables you to retrieve the uploaded fil...
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ASP.NET 4 Unleased - p 29 pptx
... custom property in a Master Page, such as the BodyTitle prop- erty, the value of the Master property must be cast to the right type. The BodyTitle property is not a property of the generic MasterPage ... name=”description” content=”A sample of using HtmlMeta controls” /> <meta name=”keywords” content=”HtmlMeta,Page.Header ,ASP.NET /> Exposing Master Page Properties You can expose p...
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ASP.NET 4 Unleased - p 57 pptx
... FileUpload control FileUpload upPhoto = (FileUpload)frmPhoto.FindControl(“upPhoto”); srcImages.InsertParameters[“FileName”].DefaultValue = upPhoto.FileName; string savePath = MapPath(“~/Photos/” ... that represents the movie cate- gory ID query string parameter. You also can use HyperLinkFields when working with frames. For example, the page in Listing 11. 24 employs GridView to display a...
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ASP.NET 4 Unleased - p 66 pptx
... OnClientClick property that calls the JavaScript confirm() method to display a confirmation dialog box. This extra script prevents users from accidentally deleting database records. Summary In this chapter, ... record into the Movies data- base table. LISTING 12.23 ShowFormViewInserting.aspx <%@ Page Language=”C#” %> <!DOCTYPE html PUBLIC -/ /W3C//DTD XHTML 1.1//EN” “http://www....
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ASP.NET 4 Unleased - p 70 pptx
... “~/Images/Ascent.jpg” ); photos.Add( “~/Images/Autumn.jpg” ); photos.Add( “~/Images/Azul.jpg” ); photos.Add( “~/Images/Home.jpg” ); photos.Add( “~/Images/Peace.jpg” ); photos.Add( “~/Images/Stonehenge.jpg” ... eBook ptg 667 Using the ListView Control 14 LISTING 14. 3 PhotoGallery.aspx <%@ Page Language=”C#” %> <%@ Import Namespace=”System.Collections.Generic” %> <!DOCT...
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ASP.NET 4 Unleased - p 87 pptx
... Listing 18 .45 , the PagePropertyParameter represents the current username. Because the PagePropertyParameter can represent any page property, the parameter could represent any type of value. Summary In ... Control Creating a Page Property Parameter PagePropertyParameter enables you to represent an arbitrary property of the current page. The property being represented can return whatever t...
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ASP.NET 4 Unleased - p 92 pptx
... ShowDataAdapterUpdate.aspx <%@ Page Language=”C#” %> <%@ Import Namespace=”System.Data” %> <%@ Import Namespace=”System.Data.SqlClient” %> <%@ Import Namespace=”System.Web.Configuration” ... <!DOCTYPE html PUBLIC -/ /W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> <script runat=”server”> private SqlDataAd...
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ASP.NET 4 Unleased - p 101 pptx
... ([Id] = @p0 ) AND ([CategoryId] = @p1 ) AND ([Title] = @p2 ) AND ([Director] = @p3 ) AND ([DateReleased] = @p4 ) AND (NOT ([InTheaters] = 1)) AND ([BoxOfficeTotals] = @p5 ) AND ([Description] = @p6 ) LINQ ... TimeStamp FALSE You also need to ensure that the Version property gets saved into view state. You can do this by adding the Version property to a DataBound control’s DataKeyNames prope...
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ASP.NET 4 Unleased - p 107 pptx
... Milk 4 1 Juice 5 4 Apple Juice 6 4 Orange Juice 7 2 Apples 8 2 Pears This database table represents product categories. The categories are nested with the help of the ParentId column. For example, ... the popout image. . DynamicPopOutImageUrl—Enables you to specify the URL for the dynamic popout image. (By default, a triangle is displayed.) . DynamicTopSeparatorImageUrl—Enables you to...
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ASP.NET 4 Unleased - p 113 pptx
... encoding=”utf-8” ?> <siteMap xmlns=”http://schemas.microsoft.com/AspNet/SiteMap-File-1.0” > <siteMapNode url=”Employees/Default.aspx” title=”Employees” description=”Contains descriptions ... <siteMapNode url=”Products/Default.aspx” title=”Our Products” description=”Products that we offer”> <siteMapNode url=”Products/FirstProduct.aspx” title=”First Product” descr...
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ASP.NET 4 Unleased - p 114 pptx
... the AutoSiteMapProvider as the applica- tion’s default provider. You can try out the AutoSiteMapProvider by requesting the Default.aspx page from the AutoSiteMapProviderApp Web application contained ... ptg 1111 Creating Custom Site Map Providers 23 Id ParentId Url Title Description 1 null Default.aspx Home Home Page 2 1 Products Products 3 2 Products/FirstProduct.aspx First Product First Pr...
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ASP.NET 4 Unleased - p 173 pptx
... array of UpdatePanel elements created. . panelsUpdated—The array of UpdatePanel elements updated. From the Library of Wow! eBook ptg 1700 CHAPTER 38 Using Server-Side ASP.NET AJAX NOTE ScriptManager.IsInAsyncPostBack ... The Sys.Application events happen in a page regard- less of whether the page contains UpdatePanel controls. The Sys.WebForms.PageRequestManager events are tied to Update...
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