Simple Connection String : Access Connection String « Database ADO.net « VB.Net

1. VB.Net
2. Database ADO.net
3. Access Connection String

Simple Connection String

Imports System
Imports System.Data
Imports System.Data.OleDb
Imports System.Data.SqlClient
Imports System.Collections
Imports System.Windows.Forms
Imports System.Resources

Public Class MainClass
    Shared Sub Main()
        'Declare variables and objects
        Dim strConnectionString As String = _
            "Provider=Microsoft.Jet.OLEDB.4.0;" & _
            "Data Source=Employee.mdb;"
        Dim objConnection As New OleDbConnection(strConnectionString)
        Dim strSQL As String = _
           "SELECT FirstName, LastName FROM Employee"
        Dim objCommand As New OleDbCommand(strSQL, objConnection)
        Dim objDataAdapter As New OleDbDataAdapter(objCommand)
        Dim objDataTable As New Data.DataTable("Employee")
        Dim objDataRow As DataRow

        Try
            'Open the database connection
            objConnection.Open()

            'Fill the DataTable object
            objDataAdapter.Fill(objDataTable)

            'Load the list box on the form
            For Each objDataRow In objDataTable.Rows
                Console.WriteLine(objDataRow.Item("FirstName") & " " & _
                    objDataRow.Item("LastName"))
            Next
        Catch OleDbExceptionErr As OleDbException
            'Write the exception
            Console.WriteLine(OleDbExceptionErr.Message)
        Catch InvalidOperationExceptionErr As InvalidOperationException
            'Write the exception
            Console.WriteLine(InvalidOperationExceptionErr.Message)
        End Try

        'Close the database connection
        objConnection.Close()

        'Clean up
        objDataRow = Nothing
        objDataTable.Dispose()
        objDataTable = Nothing
        objDataAdapter.Dispose()
        objDataAdapter = Nothing
        objCommand.Dispose()
        objCommand = Nothing
        objConnection.Dispose()
        objConnection = Nothing

    End Sub
End Class

           
       

Employee.zip( 7 k)

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