Ejemplo n.º 1
0
        static void Main(string[] args)
        {
            Console.WriteLine("The program reads the line from the file and displays the result in a formatted form.");
            string str = null, strFormatobj = null;

            try
            {
                strFormatobj = File.ReadAllText(@"file.txt");
                FormatExpression obj = new FormatExpression();
                obj.str = strFormatobj;
                str     = obj.FormatStr();
            }
            catch (Exception ex)
            {
                Console.WriteLine("An exception has occurred");
                Console.WriteLine(ex.Message);
            }
            //Console.WriteLine(str);
            try
            {
                using (UserContext db = new UserContext())
                {
                    Expression exp1 = new Expression {
                        ExpressionStr = str
                    };
                    db.Expressions.Add(exp1);

                    db.SaveChanges();
                    Console.WriteLine("Objects saved successfully");

                    var users = db.Expressions;

                    var lastResult = db.Expressions.OrderBy(b => b.Id)
                                     .Skip(Math.Max(0, db.Expressions.OrderBy(b => b.Id).Count() - 5));
                    foreach (Expression exp in lastResult)
                    {
                        Console.WriteLine("{0}. {1}", exp.Id, exp.ExpressionStr);
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("An exception has occurred");
                Console.WriteLine(ex.Message);
            }
            Console.ReadKey();
        }
Ejemplo n.º 2
0
        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                strFormatobj = textBoxInput.Text;
                FormatExpression obj = new FormatExpression();
                obj.str = strFormatobj;
                str     = obj.FormatStr();
            }
            catch (Exception ex)
            {
                MessageBox.Show(
                    ex.Message,
                    "An exception has occurred");
            }

            try
            {
                string strResult = null;
                using (UserContext db = new UserContext())
                {
                    Expression exp1 = new Expression {
                        ExpressionStr = str
                    };
                    db.Expressions.Add(exp1);

                    db.SaveChanges();
                    var users = db.Expressions;


                    var lastResult = db.Expressions.OrderBy(b => b.Id)
                                     .Skip(Math.Max(0, db.Expressions.OrderBy(b => b.Id).Count() - 5));
                    foreach (Expression exp in lastResult)
                    {
                        strResult += exp.Id.ToString() + ". " + exp.ExpressionStr + "\r\n";
                    }
                }
                textBoxOutput.Text = strResult;
            }
            catch (Exception ex)
            {
                MessageBox.Show(
                    ex.Message,
                    "An exception has occurred");
            }
        }