Sunday, January 12, 2014

Read a Text file using Asp.net



Read a Text file

Partial Class _Default
    Inherits System.Web.UI.Page

    Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        'to dispaly content of textfile
        Dim fs, fopen
        fs = Server.CreateObject("scripting.filesystemobject")
        fopen = fs.opentextfile("c:\a.txt")

        Do While Not fopen.atendofstream
            Response.Write(fopen.readline & "<br>")
        Loop
    End Sub

    Protected Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button2.Click
        'To display Characters of text file
        Dim fs, fopen
        fs = Server.CreateObject("scripting.filesystemobject")
        fopen = fs.opentextfile("c:\a.txt")

        Response.Write(fopen.read(2))
    End Sub

    Protected Sub Button3_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button3.Click
        'to dispaly firstline of textfile
        Dim fs, fopen
        fs = Server.CreateObject("scripting.filesystemobject")
        fopen = fs.opentextfile("c:\a.txt")

        Response.Write(fopen.readline)
    End Sub

    Protected Sub Button4_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button4.Click
        'to dispaly content of textfile with line no
        Dim fs, fopen
        fs = Server.CreateObject("scripting.filesystemobject")
        fopen = fs.opentextfile("c:\a.txt")

        Do While Not fopen.atendofstream
            Response.Write(fopen.line & " " & fopen.readline)
        Loop
    End Sub
End Class


<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Button ID="Button1" runat="server" Text="dispaly content of textfile" />
    <asp:Button ID="Button2" runat="server" Text="dispaly character of textfile" />
    <asp:Button ID="Button3" runat="server"
        Text="Display first line of text file" />
    <asp:Button ID="Button4" runat="server"
        Text="content of textfile with line no" />

        <br />
        <br />
   
    </div>
    </form>
</body>
</html>

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