asp.net 學習目的:掌握WEB控制項的使用(一) 或許你會問,為什麼需要WEB控制項?WEB控間就好像VB裡面的控間,可以在程式的任何地方引用,修改所有屬性,有了它的配合才能完成代碼分離。想一下,如果還是以前的HTML控間,我們當我們需要在某一個地方顯示一段資料庫的內容是不是只有用<%= %>這樣勢必在HTML包含了程式的代碼塊,就達不到分離代碼和介面的目的了。
asp.net 如果要你用ASP來做一個E-mail發送系統,你首先想到的一定是藉助第三方開發的組件,但這樣做會耗費你很多的銀子。當然你也可以用Windows的內建的對象--CDONTS.NewMail對象來傳送E-mail,這雖然是免費的,但卻十分依賴操作平台,CDONTS.NewMail對象只存在Windows 200和NT底下,在Windows
asp.net|設計 歡迎來到“ASP.NET 世界”。在隨後的幾周或幾個月中,本系列文章將逐步詳細介紹如何使用 Microsoft ASP.NET 和 Microsoft Visual Studio.NET 來設計、實現和部署典型的 Web 應用程式,以探討實際應用程式建立實踐中最常見的幾個因素。我們不僅僅布置一些 Web Form,也不局限於只對後端資料庫進行一些資料繫結。資料繫結和 Web Form布局很重要,但是有許多其他問題也非常重要。
asp.net Figure 2.8An attractive error message is displayed if the user enters an invalid directory name.A useful property of the DirectoryInfo class (and the FileInfo class, which we'll examine in the next section,
asp.net Figure 2.6Output of Listing 2.1.8 when viewed through a browser.The code in Listing 2.1.8 begins by creating three ArrayList collections: aTeam1, aTeam2, and aTeam3 (lines 5, 6, and 7, respectively). These three
asp.net Figure 2.7Output of Listing 2.2.1 when viewed through a browser.When working with the various file system classes, it is often handy to import the System.IO namespace to save unneeded typing (line 1).Listing 2.2.1
asp.net|最佳化 Do not rely on exceptions in your code: Exceptions are very expensive and should rarely occur in your code. You should never use exceptions as a way to control normal program flow. If it is possible to detect in
asp.net This code was written in response to a message posted on one of Charles Carroll's ASP.NET lists. You can sign up for one or all of the lists here. Code: <%@ Page Language="VB" %><%@ Import Namespace=