Combobox control

[aniskhan]

Use selected index property as combobox style is dropdownlist.

Public Class Form1

    Dim conn As New OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\attendence.mdb;Persist Security Info=False")
    Dim dt As New DataTable

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        Dim adapter As New OleDb.OleDbDataAdapter("SELECT * FROM student", conn)

        conn.Open()
        adapter.Fill(dt)
        dt.TableName = "Student"
        conn.Close()

        ComboBox1.DataSource = dt
        ComboBox1.DisplayMember = "rno"

        ComboBox1.SelectedIndex = -1

    End Sub

End Class