VB.NET & System.Data.OleDb - ExecuteReader()

Author: admin | Posted: 13-06-2010 | Category: VB.NET & System.Data.OleDb

VB.NET & System.Data.OleDb - ExecuteReader() - How to learn System.Data.OleDb namespace is the .NET Framework Data Provider for OLE DB data source, Using the ExecuteReader method Sends the CommandText to the Connection and builds a DataReader (Microsoft Access (*.mdb) Database)

ShotDev Focus:
- VB.NET & System.Data.OleDb - ExecuteReader()

Example

ExecuteReader.aspx

<%@ Import Namespace="System.Data"%>
<%@ Import Namespace="System.Data.OleDb"%>
<%@ Page Language="VB" %>
<script runat="server">
Dim objConn As System.Data.OleDb.OleDbConnection
Dim objCmd As System.Data.OleDb.OleDbCommand

Sub Page_Load(sender As Object, e As EventArgs)
Dim strConnString As String
strConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="& _
Server.MapPath("database/mydatabase.mdb")&";Jet OLEDB:Database Password=;"
objConn = New System.Data.OleDb.OleDbConnection(strConnString)
objConn.Open()

BindData()
End Sub

Sub BindData()
Dim strSQL As String
strSQL = "SELECT * FROM customer"

Dim dtReader As System.Data.OleDb.OleDbDataReader
objCmd = New System.Data.OleDb.OleDbCommand(strSQL, objConn)
dtReader = objCmd.ExecuteReader()

'*** BindData to Repeater ***'
myRepeater.DataSource = dtReader
myRepeater.DataBind()

dtReader.Close()
dtReader = Nothing

End Sub

Sub Page_UnLoad()
objConn.Close()
objConn = Nothing
End Sub

</script>
<html>
<head>
<title>ShotDev.Com Tutorial</title>
</head>
<body>
<form id="form1" runat="server">
<asp:Repeater id="myRepeater" runat="server">
<HeaderTemplate>
<table border="1">
<tr>
<th>CustomerID</th>
<th>Name</th>
<th>Email</th>
<th>CountryCode</th>
<th>Budget</th>
<th>Used</th>
</tr>
</HeaderTemplate>
<ItemTemplate>
<tr>
<td align="center"><%#Container.DataItem("CustomerID") %></td>
<td><%#Container.DataItem("Name") %></td>
<td><%#Container.DataItem("Email") %></td>
<td align="center"><%#Container.DataItem("CountryCode") %></td>
<td align="right"><%#Container.DataItem("Budget") %></td>
<td align="right"><%#Container.DataItem("Used") %></td>
</tr>
</ItemTemplate>
</asp:Repeater>
</form>
</body>
</html>

Screenshot

.
.
.
Download this script.