VB.NET & DataSet() Represents an in-memory cache of data. The DataSet object is central to supporting disconnected, distributed data scenarios with ADO.NET. The DataSet is a memory-resident representation of data that provides a consistent relational programming model regardless of the data source.
ShotDev Focus:
- VB.NET & DataSet()
Example
DataSet.aspx
<%@ Import Namespace="System.Data"%>
<%@ Import Namespace="System.Data.OleDb"%>
<%@ Page Language="VB" %>
<script runat="server">
Dim objConn As New System.Data.OleDb.OleDbConnection
Dim objCmd As New System.Data.OleDb.OleDbCommand
Dim dtAdapter As New System.Data.OleDb.OleDbDataAdapter
Dim ds As New DataSet
Dim strConnString,strSQL As String
strConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="&Server.MapPath("database/mydatabase.mdb")&";Jet OLEDB:Database Password=;"
strSQL = "SELECT * FROM customer"
objConn.ConnectionString = strConnString
With objCmd
.Connection = objConn
.CommandText = strSQL
.CommandType = CommandType.Text
End With
dtAdapter.SelectCommand = objCmd
dtAdapter.Fill(ds)
dtAdapter = Nothing
objConn.Close()
objConn = Nothing
</script>
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