USE [master]
GO
ALTER DATABASE [testdb2] 
      ADD FILEGROUP [InMemory_InMemory] CONTAINS MEMORY_OPTIMIZED_DATA 
GO
ALTER DATABASE [testdb2] 
      ADD FILE ( NAME = N'InMemory_InMemory', FILENAME = N'D:\SQL_Data\MSSQL11.MSSQLSERVER\MSSQL\DATA\InMemory_InMemory' ) 
      TO FILEGROUP [InMemory_InMemory]
GO

 Indexes on character columns that do not use a *_BIN2 collation are not supported with indexes on memory optimized tables.

 bit, tinyint, smallint, int, bigint, money, smallmoney, float, real, datetime, smalldatetime, datetime2,
date, time, numberic, decimal, char(n),  varchar(n) ,nchar(n),  nvarchar(n), sysname, binary(n),
varbinary(n), and Uniqueidentifier

set statistics time off
SET STATISTICS IO Off
set nocount on
go
-----------------------------

Print 'insert into tblNormal'

DECLARE @start datetime = getdate()
declare @insertCount int = 100000
declare @startId int = 1
declare @customerID int = @startId

while @customerID < @startId + @insertCount
begin
    insert into tblNormal values (@customerID, 'Test', '2013-01-01T00:00:00')
    set @customerID +=1
end

Print DATEDIFF(ms,@start,getdate());
go
-----------------------------

Print 'insert into tblMemoryOptimized_Schema_And_Data'

DECLARE @start datetime = getdate()
declare @insertCount int = 100000
declare @startId int = 1
declare @customerID int = @startId

while @customerID < @startId + @insertCount
begin
    insert into tblMemoryOptimized_Schema_And_Data values (@customerID, 'Test', '2013-01-01T00:00:00')
    set @customerID +=1
end
Print DATEDIFF(ms,@start,getdate());
Go
-----------------------------

Print 'insert into tblMemoryOptimized_Schema_Only'

DECLARE @start datetime = getdate()
declare @insertCount int = 100000
declare @startId int = 1
declare @customerID int = @startId

while @customerID < @startId + @insertCount
begin
    insert into tblMemoryOptimized_Schema_Only values (@customerID, 'Test', '2013-01-01T00:00:00')
    set @customerID +=1
end
Print DATEDIFF(ms,@start,getdate());

Go

 insert into tblNormal
36423

insert into tblMemoryOptimized_Schema_And_Data
30516

insert into tblMemoryOptimized_Schema_Only
3176

 set nocount on
print 'tblNormal'
set statistics time on
select count(CustomerID) from tblNormal
set statistics time off
go
print 'tblMemoryOptimized_Schema_And_Data'
set statistics time on
select count(CustomerID) from tblMemoryOptimized_Schema_And_Data
set statistics time off
go
print 'tblMemoryOptimized_Schema_Only'
set statistics time on
select count(CustomerID) from tblMemoryOptimized_Schema_Only
set statistics time off
go

 tblNormal
 SQL Server Execution Times:
CPU time = 46 ms,  elapsed time = 52 ms.

tblMemoryOptimized_Schema_And_Data
 SQL Server Execution Times:
CPU time = 32 ms,  elapsed time = 33 ms.

tblMemoryOptimized_Schema_Only
 SQL Server Execution Times:
CPU time = 31 ms,  elapsed time = 30 ms.

CREATE DATABASE [BloggingCore2016]
GO

USE [BloggingCore2016]
GO

CREATE TABLE [Blog] (
    [BlogId] int NOT NULL IDENTITY,
    [Url] nvarchar(max) NOT NULL,
    CONSTRAINT [PK_Blog] PRIMARY KEY ([BlogId])
);
GO

CREATE TABLE [Post] (
    [PostId] int NOT NULL IDENTITY,
    [BlogId] int NOT NULL,
    [Content] nvarchar(max),
    [Title] nvarchar(max),
    CONSTRAINT [PK_Post] PRIMARY KEY ([PostId]),
    CONSTRAINT [FK_Post_Blog_BlogId] FOREIGN KEY ([BlogId]) REFERENCES [Blog] ([BlogId]) ON DELETE CASCADE
);
GO

INSERT INTO [Blog] (Url) VALUES 
('https://www.dntips.ir/'), 
('http://blogs.msdn.com/dotnet'), 
('http://blogs.msdn.com/webdev'), 
('http://blogs.msdn.com/visualstudio')
GO

 dotnet ef dbcontext scaffold "Data Source=(local);Initial Catalog=BloggingCore2016;Integrated Security = true" Microsoft.EntityFrameworkCore.SqlServer -o Entities --context MyDBDataContext --verbose

    public partial class MyDBDataContext : DbContext
    {
        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
        {
            optionsBuilder.UseSqlServer(@"Data Source=(local);Initial Catalog=BloggingCore2016;Integrated Security = true");
        }

 Usage: dotnet ef dbcontext scaffold [arguments] [options]
Arguments:
  [connection]  The connection string of the database
  [provider] The provider to use. For example, Microsoft.EntityFrameworkCore.SqlServer
Options:
  -a|--data-annotations   Use DataAnnotation attributes to configure the model where possible. If omitted, the output code will use only the fluent API.
  -c|--context <name> Name of the generated DbContext class.
  -f|--force Force scaffolding to overwrite existing files. Otherwise, the code will only proceed if no output files would be overwritten.
  -o|--output-dir <path> Directory of the project where the classes should be output. If omitted, the top-level project directory is used.
  --schema <schema> Selects a schema for which to generate classes.
  -t|--table <schema.table> Selects a table for which to generate classes.
  -e|--environment <environment>  The environment to use. If omitted, "Development" is used.
  -h|--help   Show help information
  -v|--verbose   Enable verbose output

 dotnet ef dbcontext scaffold "Data Source=(local);Initial Catalog=BloggingCore2016;Integrated Security = true" Microsoft.EntityFrameworkCore.SqlServer -o Entities --context MyDBDataContext --verbose --force --data-annotations

dotnet ef migrations add InitialDatabase

using Microsoft.EntityFrameworkCore.Migrations;

namespace Core1RtmEmptyTest.DataLayer.Migrations
{
    public partial class InitialDatabase : Migration
    {
        protected override void Up(MigrationBuilder migrationBuilder)
        {
        }

        protected override void Down(MigrationBuilder migrationBuilder)
        {
        }
    }
}
 

dotnet ef database update

dotnet ef migrations add v2
dotnet ef database update

• سایر کتابخانه‌ها و Framework های موجود MVVM

• نصب قالب‌های MVVM Light Toolkit مخصوص VS.Net 2008

• نصب قالب‌های MVVM Light Toolkit مخصوص VS.Net 2010

• نصب Code Snippets مجموعه MVVM Light Toolkit در VS.Net 2008/2010

• نصب فایل‌های بایناری کتابخانه‌ی MVVM Light Toolkit

• نصب قالب‌های MVVM Light Toolkit مخصوص Expression Blend

• بررسی صحت نصب کتابخانه‌ی MVVM Light Toolkit

• استفاده از Code Snippets نصب شده

• مثال اول - بررسی RelayCommand

• مثال دوم - بررسی Messenger

• مثال سوم - بررسی Blendability

• مثال چهارم - بررسی EventToCommand

using System.ComponentModel.DataAnnotations;

namespace Models;

public record OrderPlace
{
    public Address BillingAddress { get; set; } = new();
    public Address ShippingAddress { get; set; } = new();
}

public class Address
{
    [Required] public string Name { get; set; } = default!;
    public string? AddressLine1 { get; set; }
    public string? AddressLine2 { get; set; }
    public string? City { get; set; }
    [Required] public string PostCode { get; set; } = default!;
}

@inherits Editor<Models.Address>

<div>
    <label>Name</label>
    <InputText @bind-Value="Value.Name"/>
</div>
<div>
    <label>Address 1</label>
    <InputText @bind-Value="Value.AddressLine1"/>
</div>
<div>
    <label>Address 2</label>
    <InputText @bind-Value="Value.AddressLine2"/>
</div>
<div>
    <label>City</label>
    <InputText @bind-Value="Value.City"/>
</div>
<div>
    <label>Post Code</label>
    <InputText @bind-Value="Value.PostCode"/>
</div>

@page "/checkout"

@using Models
@if (!_submitted && PlaceModel != null)
{
    <EditForm Model="PlaceModel" method="post" OnValidSubmit="SubmitOrder" FormName="checkout">
        <DataAnnotationsValidator/>

        <h4>Bill To:</h4>
        <AddressEntry @bind-Value="PlaceModel.BillingAddress"/>

        <h4>Ship To:</h4>
        <AddressEntry @bind-Value="PlaceModel.ShippingAddress"/>

        <button type="submit">Submit</button>
        <ValidationSummary/>
    </EditForm>
}

@if (_submitted && PlaceModel != null)
{
    <div>
        <h2>Order Summary</h2>

        <h3>Shipping To:</h3>
        <dl>
            <dt>Name</dt>
            <dd>@PlaceModel.BillingAddress.Name</dd>
            <dt>Address 1</dt>
            <dd>@PlaceModel.BillingAddress.AddressLine1</dd>
            <dt>Address 2</dt>
            <dd>@PlaceModel.BillingAddress.AddressLine2</dd>
            <dt>City</dt>
            <dd>@PlaceModel.BillingAddress.City</dd>
            <dt>Post Code</dt>
            <dd>@PlaceModel.BillingAddress.PostCode</dd>
        </dl>
    </div>
}

@code {
    bool _submitted;

    [SupplyParameterFromForm]
    public OrderPlace? PlaceModel { get; set; }

    protected override void OnInitialized()
    {
        PlaceModel ??= GetOrderPlace();
    }

    private void SubmitOrder()
    {
        _submitted = true;
    }

    private static OrderPlace GetOrderPlace() =>
        new()
        {
            BillingAddress = new Address
                             {
                                 PostCode = "12345",
                                 Name = "Test 1",
                             },
            ShippingAddress = new Address
                              {
                                  PostCode = "67890",
                                  Name = "Test 2",
                              },
        };

}

<form method="post">
   <input type="hidden" name="_handler" value="checkout" />
   <input type="hidden" name="__RequestVerificationToken" value="CfDxxx" />
.
.
.
   <button type="submit">Submit</button>
</form>

<EditForm Model="PlaceModel" method="post" OnValidSubmit="SubmitOrder" FormName="checkout">

[SupplyParameterFromForm]
public OrderPlace? PlaceModel { get; set; }

@page "/checkout"

<FormMappingScope Name="store-checkout">
    <CheckoutForm />
</FormMappingScope>

<form method="post">
   <input type="hidden" name="_handler" value="[store-checkout]checkout" />
   <input type="hidden" name="__RequestVerificationToken" value="CfDxxxxx" />
.
.
.
   <button type="submit">Submit</button>
</form>

<form method="post" @onsubmit="SaveData" @formname="MyFormName">
    <AntiforgeryToken />

    <InputText @bind-Value="Name" />

    <button>Submit</button>
</form>

@page "/"

<form method="GET">
    <input type="text" name="q"/>
    <button type="submit">Search</button>
</form>


@code {
    [SupplyParameterFromQuery(Name="q")]
    public string SearchTerm { get; set; }
    
    protected override async Task OnInitializedAsync()
    {
       // do something with the search term
    }
}

<button class="nav-link border-0" @onclick="BeginSignOut">Log out</button>

<EditForm Context="ctx" FormName="LogoutForm" method="post" Model="@Foo" OnValidSubmit="BeginSignOut">
     <button type="submit" class="nav-link border-0">Log out</button>
</EditForm>

@code{
    [SupplyParameterFromForm(Name = "LogoutForm")]
    public string? Foo {  get; set; }

    protected override void OnInitialized() => Foo = "";

    async Task BeginSignOut()
    {
        // TODO: SignOutAsync();
        // TODO: NavigateTo("/authentication/logout");
    }
}

<EditForm Model="PlaceModel" method="post" OnValidSubmit="SubmitOrder" FormName="checkout" Enhance>

 C:\Program Files (x86)\Microsoft Visual Studio 14.0>csc /?
Microsoft (R) Visual C# Compiler version 1.0.0.50618
Copyright (C) Microsoft Corporation. All rights reserved.


Visual C# Compiler Options

 /analyzer:<file list> Run the analyzers from this assembly
(Short form: /a)

Top Issues Fixed in Visual Studio 2019 version 16.6.0

• When New Git experience feature flag is enabled, a message will appear in Team Explorer guiding users to the new Git tool window.
• Fix for intermittent UI delay while closing VS when WinForms .NET Core designer is in open state.
• Fixed issues creating projects using type providers, throwing missing method exception at runtime.
• Fixed project creation for .NET framework projects.
• New find in files experience respects options in Tools-Options-Find and Replace pane.
• Fixed a bug where Git repository does not change when closing a Folder and opening a Solution.
• Fixed bug when building iOS app using full debug symbols.
• Added back browing of Mac Distribution provisioning profiles and certificates from Windows.
• Fixed a bug causing Visual Studio 2019 to stop responding when working with Xamarin projects on certain scenarios.
• Added keyboard shortcut for "Copy with Headers" option in SQL Script Results Grid
• SSDT users will now be able to set and view sensitivity properties for all version above SQL Server 2008
• Improve Connection Properties dialog for accessibility users.
• Fixed occasional crashes when using Tested By Code Lens indicator.
• Ensure auto population of text in Find in files is as per legacy behavior.
• Ensure left arrow key behavior in find in files is correct.
• An issue blocking C++ users of the C++20 Ranges library from using algorithms. 

npm install -g rxjs-tslint
rxjs-5-to-6-migrate -p src/tsconfig.app.json

npm install npm-check-updates -g
ncu -u
npm install