[mrnooo2000]

جرب هذا الكود أخى 
قم بحذف كود عند التحميل للنموذج و ضع هذا الكود مكانه

كود :

   Private BS As BindingSource
   Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
       InputLanguage.CurrentInputLanguage = InputLanguage.FromCulture(New Globalization.CultureInfo("AR"))
       Conn.Open()
       Dim DataAdapter1 As New OleDbDataAdapter(SQLstr, Conn)
       DataAdapter1.Fill(DataSet1, "Qoult")
       Conn.Close()
     
     
       Dim DS As New DataSet
       DS.Clear()
       Dim DP As New OleDbDataAdapter("SELECT * FROM Qoult", Conn)
       DP.Fill(DS, "Qoult")


       BS = New BindingSource(DS, "Qoult")
       TextBox1.DataBindings.Add("Text", BS, "name1")
       TextBox2.DataBindings.Add("Text", BS, "Idcard")
       TextBox3.DataBindings.Add("Text", BS, "School")

       ComboBox1.DataSource = BS
       ComboBox1.ValueMember = "Idcard"
       ComboBox1.DisplayMember = "name1"

   End Sub