I have tried

Private Sub btnUpdate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnUpdate.Click
Try

Me.BindingContext(DataSet11, "wtab").EndCurrentEdit()
Me.OleDbDataAdapter1.Update(DataSet11)
end sub

AND ASLO TRIED

Dim Row As DataRow
Row = Me.DataSet11.Tables("wtab").NewRow()
Row.Item(0) = TextBox1.Text
Row.Item(1) = TextBox2.Text
Row.Item(2) = TextBox3.Text
Row.Item(3) = ComboBox1.Text
Row.Item(4) = ComboBox2.Text
Me.DataSet11.Tables("e").Rows.Add(Row)
Me.OleDbDataAdapter1.Update(DataSet11, "wtab")

BUT ALL IN VAIN PLS HELP ME
THANKS

NaeemAbbas,
Use code tags. Source code of your post must be wrapped with code tags.
For example,

[CODE=VB.NET] ...statements.. [/code]
PS: Check a database file at bin folder.