ASP.NET(vb.net) Session & Object Value - Session & Object Value : The learn and script how to use Session and Object variable.
ShotDev Focus:
- ASP.NET(vb.net) Session & Object Value
Example
AspNetSessionObject.aspx
<%@ Import Namespace="System.Data"%>
<%@ Import Namespace="System.Data.OleDb"%>
<%@ Page Language="VB" %>
<script runat="server">
Sub Page_Load(sender As Object, e As EventArgs)
'*** Create Object Session ***'
Dim objFSO, objStream As Object
objFSO = Server.CreateObject("Scripting.FileSystemObject")
'*** Used Session ***'
Session("mySession") = objFSO
objStream = Session("mySession").OpenTextFile(Server.MapPath("MyFiles/shotdev.txt"))
Do Until objStream.AtEndOfStream
Me.lblText1.Text = Me.lblText1.Text & objStream.ReadLine & "<br>"
Loop
objStream.Close()
objStream = Nothing
'*** New Control & Session ***'
Dim objConn As OleDbConnection
Dim objCmd As OleDbCommand
Dim strConnString As String
strConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="&Server.MapPath("database/mydatabase.mdb")&";"
objConn = New OleDbConnection(strConnString)
objConn.Open()
Dim strSQL As String
strSQL = "SELECT * FROM customer"
Dim dtReader As OleDbDataReader
objCmd = New OleDbCommand(strSQL, objConn)
dtReader = objCmd.ExecuteReader()
'*** GridView Session ***'
Dim myGridView As New GridView
Session("myControl") = myGridView
Dim myCtrl As GridView = CType(Session("myControl"), GridView)
With myCtrl
.AutoGenerateColumns = True
.DataSource = dtReader
.DataBind()
End With
'*** Load Control To Label ***'
Me.lblText2.Controls.Add(myCtrl)
dtReader.Close()
dtReader = Nothing
objConn.Close()
objConn = Nothing
End Sub
</script>
<html>
<head>
<title>ShotDev.Com Tutorial</title>
</head>
<body>
<form runat="server">
<asp:Label id="lblText1" runat="server"></asp:Label>
<hr />
<asp:Label id="lblText2" runat="server"></asp:Label>
</form>
</body>
</html>
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