VB.NET – OleDbConnection Properties

Insert data using OleDbConnection

Use ACE.OLEDB for databse connection (insert data)

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As 
System.EventArgs) Handles Button1.Click

Dim con As New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data
 Source=C:\Projects\Northwind.accdb;Persist Security Info=False")
Dim CmdStr As String = "insert into sample _
                        (emp_name,category,city) _
                        values ('" & TextBox2.Text & "',_
                        '" & TextBox3.Text & "',_
                         '" & TextBox4.Text & "')"

con.Open()
Dim cmd As OleDbCommand = New OleDbCommand(CmdStr, con)
cmd.ExecuteNonQuery()

con.Close()
MsgBox("Done")

End Sub

Retrieve data using OleDbConnection Read more…

Use ACE.OLEDB for databse connection (retrieve data)

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As 
System.EventArgs) Handles Button2.Click

Dim con As New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data
 Source=C:\Projects\Northwind.accdb;Persist Security Info=False")
Dim Query2 As String = "select * from Sample"
Dim Da As OleDbDataAdapter, Ds As New DataSet, Dtb As New System.Data.DataTable

con.Open()
Da = New OleDbDataAdapter(Query2, con)
Da.Fill(Ds)

con.Close()

Dtb = Ds.Tables(0)
DataGridView1.DataSource = Dtb

End Sub