Feel free to change the value of the id attribute to Of course, the code above still works, or else C#Builder wouldn't haveĬhanged it. Window, C#Builder transforms your HTML into the format shown below: However, as soon as you click the Save button or move to the Design To save yourself some typing, you can specify the user control as shown in The HTML where you want each control to appear. Once Register directives have been added, you can insert elements in Is the mechanism that associates the actual control with how it's The Src attribute specifies the filename of a user control and You can essentially give the TagPrefixĪnd TagName attributes any value you want, as long as they didn'tĬonflict with the naming conventions of other controls on the web page. The TagName attribute identifies the name of the control as it InformIT:Button as defined by a Register directive. For instance, IĬould add a control to my library named Button it wouldn'tĬonflict with asp:Button because it would be referred to on the page as The names of controls in different libraries from clashing. This is similar to theĪsp: prefix on ASP.NET web controls that ship with. Which elements of this control are assigned. The TagPrefix attribute identifies the namespace (think XML) to Listing 2 Register Directives Įach Register directive in Listing 2 contains the same three Each web page in thisĮxample needs three Register directives, as shown in Listing 2. Is placed on each web page where the control is added. To accomplish this, another directive called Register Identify and associate a page element that represents the control with theĬontrol itself. When you put a user control on a web page, you need to tell ASP.NET how to Page of Default.aspx to continue designing with user controls. Anyway, a workaround is available, andįortunately, C#Builder has a nice HTML editor to work with. Once the control is on the page, you can select it andĭelete it, but the fact that Borland left out such an obvious necessity on a GUIĭesigner is difficult to believe. That's a real bother with C#Builder is that you can't do drag-and-drop Now the layout and structure of the page is set.Īfter initial layout, you can add controls to the web page. After creating the table,Ĭlick the left cell of the new table, change its width property to 125,Īnd change its valign property to "top" in the Object To 100% and change the border width to 0. PageLayout property from GridLayout to FlowLayout.Īdd a table to Default.aspx with one row and two columns. Select theĭocument element from the drop-down list in the Object Inspector and change the Next, you'll need to do some initial layout of the page. Change the filename to Default.aspx and open the file in the WebForm1.aspx, which is the default name assigned when you run the There's probably a web page in your project named The first page we'll work with is the home page: This example demonstrates how to create a web With user controls, you can build web pages quickly, leaving you time toĬoncentrate on other content that's unique to a specific page or thatĬhanges dynamically over time. Learn More Buy Building Web Forms with User Controls
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