Juliandyce Posts - Answer Overflow

Juliandyce

•Created by Juliandyce on 1/28/2024 in #help

✅ How to automate update-database

I am bilding a Web server but i have to typ in update-database how can i automate this in Blazor in the Program.cs file. Im srry i cant be more specific because im new in this kind of stuff. The tutorial i watch is just outdated the code changed a bit. Tanks for your time and helping. In the tutorial https://www.youtube.com/watch?v=JeLnR_ObHd8&t=4624s on 1:16:57 - 1:17:17 and i have the most recent Version of Microsoft Visual Studio if u also have it and it looks like that: var app = builder.Build(); // Configure the HTTP request pipeline. if (app.Environment.IsDevelopment()) { app.UseMigrationsEndPoint(); } else { app.UseExceptionHandler("/Error"); app.UseHsts(); }

28 replies

CC#

•Created by Juliandyce on 10/1/2023 in #help

❔ Webapp

If I want to create my own web app with C# and also want to get something out of the process, what should I use? Asp.net core, Blazor, ...

5 replies

CC#

•Created by Juliandyce on 7/14/2023 in #help

❔ I cant find the mistake

.Amount gets unterlined

using System.Transactions;
using System.Collections.Generic;
using System;


namespace MyBank
{
    class Bank
    {
        static void Main(string[] args)
        {
            var account = new BankAccount("Julian", 10000);
            Console.WriteLine("Account {0} was createt for {1} with {2}.", account.Number, account.Owner, account.Balance);

        }
    }
}
namespace Classes
{
    public class Transaction
    {
        public decimal Amount { get; }
        public DateTime Date { get; }
        public string Notes { get; }

        public Transaction(decimal amount, DateTime date, string note)
        {
            Amount = amount;
            Date = date;
            Notes = note;
        }
    }
}
namespace MyBank
{
    public class BankAccount
    {

        public string Number
        {
            get;
        }
        public string Owner
        {
            get;
            set;
        }
        public decimal Balance
        {
            get
            {
                decimal balance = 0;
                foreach (var item in allTransactions) 
                {
                    balance = balance + item.Amount;
                }
                return balance;
            }
        }
        
        private static int accountNumberSeed = 0000000001;
        
        private List<Transaction> allTransactions = new List<Transaction>();

        public BankAccount(string name, decimal initialBalance)
        {
            this.Owner = name;           
            this.Number = accountNumberSeed.ToString();
            accountNumberSeed++;
        }

        public void MakeDeposit(decimal amount, DateTime date, string note)
        {
        }

        public void MakeWithdrawal(decimal amount, DateTime date, string note)
        {
        }

    }
}

using System.Transactions;
using System.Collections.Generic;
using System;


namespace MyBank
{
    class Bank
    {
        static void Main(string[] args)
        {
            var account = new BankAccount("Julian", 10000);
            Console.WriteLine("Account {0} was createt for {1} with {2}.", account.Number, account.Owner, account.Balance);

        }
    }
}
namespace Classes
{
    public class Transaction
    {
        public decimal Amount { get; }
        public DateTime Date { get; }
        public string Notes { get; }

        public Transaction(decimal amount, DateTime date, string note)
        {
            Amount = amount;
            Date = date;
            Notes = note;
        }
    }
}
namespace MyBank
{
    public class BankAccount
    {

        public string Number
        {
            get;
        }
        public string Owner
        {
            get;
            set;
        }
        public decimal Balance
        {
            get
            {
                decimal balance = 0;
                foreach (var item in allTransactions) 
                {
                    balance = balance + item.Amount;
                }
                return balance;
            }
        }
        
        private static int accountNumberSeed = 0000000001;
        
        private List<Transaction> allTransactions = new List<Transaction>();

        public BankAccount(string name, decimal initialBalance)
        {
            this.Owner = name;           
            this.Number = accountNumberSeed.ToString();
            accountNumberSeed++;
        }

        public void MakeDeposit(decimal amount, DateTime date, string note)
        {
        }

        public void MakeWithdrawal(decimal amount, DateTime date, string note)
        {
        }

    }
}

https://www.youtube.com/watch?v=xLhm3bEG__c&t=222s c# tutorial of .Net

25 replies

CC#

•Created by Juliandyce on 7/14/2023 in #help

❔ How can i copy code in this black window on discord?

6 replies

CC#

•Created by Juliandyce on 7/12/2023 in #help

❔ searching mistake

namespace App2 { public class Program14 { private static void SayHello() {
Console.Write("What is ur name?"); string name = Console.ReadLine(); Console.WriteLine("Hello {0}", name); } static void Main(string[] args) { SayHello(); } } } CS1022 Type or namespace definition or end of file expected.

3 replies

CC#

•Created by Juliandyce on 7/12/2023 in #help

❔ Stringbuilder remove

i have problem with remove in the following program: public class Program11 {
static void Main(string[] args) { StringBuilder sb = new StringBuilder("Hello World!", 50); //"Hallo Welt! start String //50 maximale Länge des Strings sb.Append(" How are u?"); // string hinten anfügen sb.AppendLine(); sb.AppendLine("I am fine!"); //string hinten anfügen zeilenumbruch sb.Insert(0, ":) ");

Console.WriteLine(sb.ToString()); sb.Remove(9, 14); Console.WriteLine(sb.ToString()); } }
} I wanna remove World witch should go from 9-14: output before remove; 🙂 Hello World! How are u? I am fine! output after remove: 🙂 Hello u? I am fine!

16 replies

CC#

•Created by Juliandyce on 7/10/2023 in #help

❔ can someone explain the me the new operator

Especially the syntax behind this example: Random rnd = new Random(); Can u compare the random before the = with int, string and the random after then says that a random number should be generated and new simply says that it should be regenerated every time the program is executed?

48 replies

CC#

•Created by Juliandyce on 7/8/2023 in #help

❔ Erklärung

First of all: I am new to programming. i want to only write nummers in a array that are greater then 10 which condition do i have to put into this programm: (at the ..........) int[] numArray = { 1, 11, 22 }; Console.WriteLine("> 10 : {0}", Array.Find(numArray, .........));

7 replies

CC#

•Created by Juliandyce on 7/8/2023 in #help

❔ Erklärung an Beispiel

First of all: I am new to programming. I would like to get an explanation of the "Copy" command to the following example (as simple as possible): int[] randNums = { 1, 4, 9, 2 }; Array.Sort(randNums); Array.Reverse(randNums); int[] srcArray = { 1, 2, 3 }; int[] destArray = new int[2]; int startInd = 0; int length = 2; Array.Copy(srcArray, startInd, destArray, 0, length); PrintArray(destArray, "Copy"); And then of "Array.CreateInstance " too: Array anotherArray = Array.CreateInstance(typeof(int),length); ty

12 replies

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