Edit:
with adodc1
.ConnectionString = connectdb
.RecordSource = "Select * from 'tablename'"
.Refresh
.AddNew
.Recordset.Fields("Tablecolumn name") = txtYourtextbox.Text
'any entry on that specific textbox would be save to that specific column on your table
'make sure your textbox control is connected to your adodc
.Update
end with