I have a TextBox, BindingSource, DataSet and TableAdapter....

I want to update the database with the text from that textbox!

Code:
        Dim DataRow As Data.DataRow

        DataRow("denumire") = Me.txt_denumire_unitate.Text

(Me.Ibooks_datele_unitatii_DataSet, "datele_unitatii").EndCurrentEdit()
        Me.Ibooks_datele_unitatii_DataSet.Tables("datele_unitatii").Rows.Add(DataRow)


        Me.Datele_Unitatii_BindingSource.EndEdit()
        Me.datele_unitatii_TableAdapter.Update(Me.Ibooks_datele_unitatii_DataSet.datele_unitatii)
What's wrong with this ?!