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Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Call accessdelete()
Dim sConn As String = "PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source=tu.mdb"
Dim myConnection As New OleDbConnection(sConn)
Dim myCommand As String = "Select * from tu"
myConnection.Open()
Dim custDA As New OleDbDataAdapter(myCommand, myConnection)
Dim custDS As New DataSet()
custDA.Fill(custDS, "tu")
Dim firstView As New DataView
firstView = custDS.Tables("tu").DefaultView
Chart1.Series("A°à").Points.DataBindXY(firstView, "ÈÕÆÚ", firstView, "A")
Chart1.Series("B°à").Points.DataBindXY(firstView, "ÈÕÆÚ", firstView, "B")
Chart1.Series("C°à").Points.DataBindXY(firstView, "ÈÕÆÚ", firstView, "C")
custDS.Clear()
custDS.Dispose()
custDA.Dispose()
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CREATE TABLE Product(model integer,
maker varchar(20),
CONSTRAINT SAND PRIMARY KEY (model),
CONSTRAINT PANDA FOREIGN KEY (model) REFERENCES PC (model)
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