string _connString = String.Format(System.Globalization.CultureInfo.InvariantCulture, @"Data Source = {0}\SQL_CE.sdf", Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase)); SqlCeConnection _connection = new SqlCeConnection(_connString); if (e.KeyChar == (char)13) { _connection.Open(); SqlCeCommand desc_command = new SqlCeCommand("select description from Items where barcode=@barcode;", _connection); desc_command.Parameters.AddWithValue("@barcode", txt_barcode.Text); SqlCeDataReader rdr = desc_command.ExecuteReader(); if (rdr.Read()) { txt_description.Text = rdr.GetString(0); } else { txt_description.Text = "-----"; } SqlCeCommand _addcommand = new SqlCeCommand("insert into Inventory values(@barcode,@amount);", _connection); _addcommand.Parameters.AddWithValue("@barcode", txt_barcode.Text); _addcommand.Parameters.AddWithValue("@amount", txt_amount.Text); _addcommand.ExecuteNonQuery(); txt_barcode.Text = ""; _connection.Close(); };
var
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