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  private  SQLiteCommand  creattable()
        {
            SQLiteCommand command = new SQLiteCommand(connection);
            command.CommandText = String.Format("create table if not exists {0} (" +
                "  ID integer not null primary key autoincrement," +
                "  Datum  date  ," +
                "  Stunde decimal (10,2)  )",

                "Times");
             return command;					

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 public SQLiteCommand InsertValue(string date , decimal time)
        {
            SQLiteCommand command = new SQLiteCommand(connection);

            command.CommandText = String.Format("insert into Times (Datum,Stunde) values ('{0}','{1}')", date ,time);
            command.ExecuteNonQuery();

            return command;					

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 dba.InsertValue(Datepicker.Text, timeChoose.Value);					

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 private void Datenbank_Load(object sender, EventArgs e)
        {
            database dba = new database();
            dba.con.Open();
            
            dataGridView1.DataSource = dba.Auslesen.Tables["Times"];
        }