Add, Delete, Update in Datagridview

Imports System.Data.OleDb
Public Class Form1

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim Con As OleDbConnection
        Dim sqlCmd As OleDbCommand = New OleDbCommand("select * from Movement_roller_H")
        Dim myData As OleDbDataReader
        Con = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Persist Security Info=False;Data Source =C:\Users\Louisa\Desktop\Roller.mdb")
        Con.Open()
        sqlCmd.Connection = Con
        myData = sqlCmd.ExecuteReader

        Do While myData.Read
            Dim dgRow As New DataGridViewRow()
            dgRow.CreateCells(DataGridView1)
            dgRow.Cells(0).Value = myData.GetInt32(0)
            dgRow.Cells(1).Value = myData.GetDateTime(1).ToString("d")
            dgRow.Cells(2).Value = myData.GetString(2)
            Dim strValue3 As String = IIf(myData.IsDBNull(3), "", myData.GetValue(3))
            dgRow.Cells(3).Value = strValue3
            dgRow.Cells(4).Value = myData.GetDateTime(4).ToString("d")
            DataGridView1.Rows.Add(dgRow)
        Loop
    End Sub
End Class