在ASP.NET中操作檔案的例子

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asp.net

 在ASP.NET中操作檔案的例子

1、寫檔案
writefile.aspx

<%@ Import Namespace="System.IO" %> '引入所需的NameSpace
<%
Response.write("Writing the content into Text File in ASP.NET <BR>")
Dim strwriterobj As StreamWriter '聲明一個StreamWriter對象
strwriterobj= File.CreateText("c:\aspnet.txt") '建立一個文字檔,賦值給StreamWriter對象
strwriterobj.WriteLine( "Welcome to wonderfull world of ASP.NET Programming" )
'向檔案中寫內容
strwriterobj.Close '關閉對象
Response.write("Done with the creation of text file and writing content into it")
%>

2、讀檔案
readfile.aspx

<%@ Import Namespace="System.IO" %>
<%
Response.write("Reading the content from the text file ASPNET.TXT <br>")
Dim streamreaderobj As StreamReader '聲明一個StreamReader對象
Dim filecont As String '聲明一個變數儲存讀出的內容
streamreaderobj = File.OpenText( "c:\aspnet.txt" ) '開啟檔案賦值到StreamReader對象
Do '按行迴圈讀取檔案內容
filecont = streamreaderobj.ReadLine()
Response.Write( filecont & "<br>" )
Loop Until filecont = ""
streamreaderobj.Close '關閉StreamReader對象
Response.write("<br> Done with reading the content from the file aspnet.txt")
%>

3、刪除檔案
Filedelete.aspx

<%@ Import Namespace="System.IO" %>
<%
File.Delete("c:\aspnet.txt" ) '刪除檔案
Response.write("The File aspnet is deleted successfully !!!" )
%>
 



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