Mega Code Archive
Readwrite binary file (VB)
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<%@ Page Language="VB" %>
<%@ import Namespace="System.IO" %>
<script runat="server">
Dim objBinaryWriter As BinaryWriter
Dim objBinaryReader As BinaryReader
Sub WriteButton_Click(sender As Object, e As EventArgs)
Dim objFileStream As FileStream
Try
objFileStream = New FileStream("myFileVB.bin", FileMode.Create)
objBinaryWriter = New BinaryWriter(objFileStream)
Dim Name As String = NameTextBox.Text
Dim Age As Integer = Int32.Parse(AgeTextBox.Text)
Dim Sex As Char = Char.Parse(SexTextBox.Text)
objBinaryWriter.Write(Name)
objBinaryWriter.Write(Age)
objBinaryWriter.Write(Sex)
Catch FileEx As FileNotFoundException
MessageLabel.Text = FileEx.Message()
Exit Sub
Catch Ex As Exception
MessageLabel.Text = Ex.Message()
Exit Sub
End Try
WriteBinaryPanel.Visible = False
ReadBinaryPanel.Visible = True
End Sub
Sub ReadButton_Click(Sender As Object, e As EventArgs)
Dim objFileStream As FileStream
Try
objFileStream = New FileStream("C:\myFileVB.bin", FileMode.Open)
objBinaryReader = New BinaryReader(objFileStream)
NameLabel.Text = "Your Name: " & objBinaryReader.ReadString()
AgeLabel.Text = "Your Age: " & objBinaryReader.ReadInt32()
SexLabel.Text = "Your Sex: " & objBinaryReader.ReadChar()
Catch FileEx As FileNotFoundException
MessageLabel.Text = FileEx.Message()
Exit Sub
Catch Ex As Exception
MessageLabel.Text = Ex.Message()
Exit Sub
End Try
End Sub
</script>
<html>
<head>
</head>
<body>
<form runat="server">
<p>
<asp:Panel id="WriteBinaryPanel" Runat="Server">
<p>
Please enter your Name:
<asp:TextBox id="NameTextBox" runat="server"></asp:TextBox>
</p>
<p>
Please enter your Age:
<asp:TextBox id="AgeTextBox" runat="server"></asp:TextBox>
</p>
<p>
Please enter your Sex:
<asp:TextBox id="SexTextBox"
runat="Server"
MaxLength="1"
Columns="1"></asp:TextBox>
(M/F)
</p>
<p>
<asp:Button id="WriteButton"
onclick="WriteButton_Click"
runat="server"
Text="Write It!"></asp:Button>
</p>
</asp:Panel>
<asp:Panel id="ReadBinaryPanel" Runat="Server">
<p>
<asp:Button id="ReadButton"
onclick="ReadButton_Click"
runat="server"
Text="Read It!"></asp:Button>
</p>
<p>
<asp:Label id="NameLabel" Runat="Server"></asp:Label>
</p>
<p>
<asp:Label id="AgeLabel" Runat="Server"></asp:Label>
</p>
<p>
<asp:Label id="SexLabel" Runat="Server"></asp:Label>
</p>
</asp:Panel>
</p>
<p>
<asp:Label id="MessageLabel"
runat="server"
EnableViewState="False"></asp:Label>
</p>
</form>
</body>
</html>
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