<system.webServer>
    <modules runAllManagedModulesForAllRequests="true"></modules>
    <httpProtocol>
      <customHeaders>
        <add name="Access-Control-Allow-Origin" value="*" />
        <add name="Access-Control-Allow-Headers" value="*" />
        <add name="Access-Control-Allow-Credentials" value="true" />
      </customHeaders>
    </httpProtocol>
    <handlers>
      <remove name="ExtensionlessUrlHandler-Integrated-4.0" />
      <!--<remove name="OPTIONSVerbHandler" />-->
      <remove name="TRACEVerbHandler" />
      <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />
    </handlers>
  </system.webServer>

 CREATE TABLE xmlInvoice
(
 invoiceId INT IDENTITY PRIMARY KEY,
 invoice XML
)

INSERT INTO xmlInvoice 
VALUES('
<Invoice InvoiceId="1000" dept="hardware">
<CustomerName>Vahid</CustomerName>
<LineItems>
<LineItem><Description>Gear</Description><Price>9.5</Price></LineItem>
</LineItems>
</Invoice>
 ')

INSERT INTO xmlInvoice 
VALUES('
<Invoice InvoiceId="1002" dept="garden">
<CustomerName>Mehdi</CustomerName>
<LineItems>
<LineItem><Description>Shovel</Description><Price>19.2</Price></LineItem>
</LineItems>
</Invoice>
 ')

INSERT INTO xmlInvoice 
VALUES('
<Invoice InvoiceId="1003" dept="garden">
<CustomerName>Mohsen</CustomerName>
<LineItems>
<LineItem><Description>Trellis</Description><Price>8.5</Price></LineItem>
</LineItems>
</Invoice>
 ')

INSERT INTO xmlInvoice 
VALUES('
<Invoice InvoiceId="1004" dept="hardware">
<CustomerName>Hamid</CustomerName>
<LineItems>
<LineItem><Description>Pen</Description><Price>1.5</Price></LineItem>
</LineItems>
</Invoice>
 ')

INSERT INTO xmlInvoice 
VALUES('
<Invoice InvoiceId="1005" dept="IT">
<CustomerName>Ali</CustomerName>
<LineItems>
<LineItem><Description>Book</Description><Price>3.2</Price></LineItem>
</LineItems>
</Invoice>
 ')

INSERT INTO xmlInvoice 
VALUES('
<Invoice InvoiceId="1006" dept="hardware">
<CustomerName>Reza</CustomerName>
<LineItems>
<LineItem><Description>M.Board</Description><Price>19.5</Price></LineItem>
</LineItems>
</Invoice>
 ')

CREATE XML SCHEMA COLLECTION invoice_xsd AS
 ' <xs:schema attributeFormDefault="unqualified" 
 elementFormDefault="qualified" 
 xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="Invoice">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="CustomerName" type="xs:string" />
        <xs:element name="LineItems">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="LineItem">
                <xs:complexType>
                  <xs:sequence>
                    <xs:element name="Description" type="xs:string" />
                    <xs:element name="Price" type="xs:decimal" />
                  </xs:sequence>
                </xs:complexType>
              </xs:element>
            </xs:sequence>
          </xs:complexType>
        </xs:element>
      </xs:sequence>
      <xs:attribute name="InvoiceId" type="xs:unsignedShort" use="required" />
      <xs:attribute name="dept" type="xs:string" use="required" />
    </xs:complexType>
  </xs:element>
</xs:schema>'

Go

CREATE TABLE xmlInvoice2
(
invoiceId INT IDENTITY PRIMARY KEY,
invoice XML(document invoice_xsd)
)
Go

 UPDATE STATISTICS xmlInvoice
DBCC FREEPROCCACHE

 -- query 1
SELECT * FROM xmlInvoice
WHERE invoice.exist('/Invoice[@InvoiceId = "1003"]') = 1

-- query 2
SELECT * FROM xmlInvoice
WHERE invoice.exist('/Invoice/@InvoiceId[. = "1003"]') = 1

-- query 3
SELECT * FROM xmlInvoice
WHERE invoice.exist('/Invoice[1]/@InvoiceId[. = "1003"]') = 1

-- query 4
SELECT * FROM xmlInvoice
WHERE invoice.exist('(/Invoice/@InvoiceId)[1][. = "1003"]') = 1

-- query 5
SELECT * FROM xmlInvoice
WHERE invoice.exist('/Invoice[CustomerName = "Vahid"]') = 1

-- query 6
SELECT * FROM xmlInvoice
WHERE invoice.exist('/Invoice/CustomerName [.= "Vahid"]') = 1

-- query 7
SELECT * FROM xmlInvoice
WHERE invoice.exist('/Invoice/LineItems/LineItem[Description = "Trellis"]') = 1

-- query 8
SELECT * FROM xmlInvoice
WHERE invoice.exist('/Invoice/LineItems/LineItem/Description [.= "Trellis"]') = 1

-- query 9
SELECT * FROM xmlInvoice
WHERE invoice.exist('
for $x in /Invoice/@InvoiceId
where $x = 1003
return $x
') = 1

-- query 10
SELECT * FROM xmlInvoice
WHERE invoice.value('(/Invoice/@InvoiceId)[1]', 'VARCHAR(10)') = '1003'


-- یکبار هم با جدول شماره 2 که اسکیما دارد تمام این موارد تکرار شود

UPDATE STATISTICS xmlInvoice
DBCC FREEPROCCACHE

GO

<#@ template language="C#" debug="True" hostspecific="True" #>
<#@ output extension=".cs" #>
<#@ assembly name="System.Data" #>

<#@ assembly name="System.xml" #>
<#@ import namespace="System.Collections.Generic" #>
<#@ import namespace="System.Data.SqlClient" #>
<#@ import namespace="System.Data" #>

using System;
namespace MyProject.Entities 
{    
        <#
            string connectionString = "Password=22125110;Persist Security Info=True;User ID=sa;Initial Catalog=DnnDB;Data Source=ABBASPOOR299"; 
            SqlConnection conn = new SqlConnection(connectionString); 
            conn.Open(); 
            System.Data.DataTable schema = conn.GetSchema("TABLES"); 
            string selectQuery = "select * from @tableName"; 
            SqlCommand command = new SqlCommand(selectQuery,conn); 
            SqlDataAdapter ad = new SqlDataAdapter(command); 
            System.Data.DataSet ds = new DataSet(); 
            
            foreach(System.Data.DataRow row in schema.Rows) 
            { 
            #> 
            public class <#= row["TABLE_NAME"].ToString().Trim('s') #>                
            
            {
                <#                 
                    command.CommandText = selectQuery.Replace("@tableName",row["TABLE_NAME"].ToString()); 
                    ad.FillSchema(ds, SchemaType.Mapped, row["TABLE_NAME"].ToString());

                    foreach (DataColumn dc in ds.Tables[row["TABLE_NAME"].ToString()].Columns)
                    {
                        #>
                        
                    private <#= dc.DataType.Name  #> _<#= dc.ColumnName.Replace(dc.ColumnName[0].ToString(), dc.ColumnName[0].ToString().ToLower())      #>;
                    public <#= dc.DataType.Name #> <#= dc.ColumnName #> 
                    {
                        get { return _<#= dc.ColumnName.Replace(dc.ColumnName[0].ToString(), dc.ColumnName[0].ToString().ToLower()) #>; } 
                        set { _<#= dc.ColumnName.Replace(dc.ColumnName[0].ToString(), dc.ColumnName[0].ToString().ToLower()) #> = value; }
                    }                    
                    
                <#    }                 #>
                
            }                
            
            <#    
            }  #>            
}

Use ViewModels to manage data & organize code in ASP.NET MVC applications
The concept of the ViewModel isn't just for ASP.NET MVC, as you'll see references to ViewModels throughout the web in articles and blog posts about the MVC, MVP, and MVVM patterns. Those posts and articles can center around any number of technologies such as ASP.NET, Silverlight, WPF, or MVC... This post will investigate ViewModels as they apply to the world of ASP.NET MVC.

ASP.NET 2.0 introduced a concept of application offline. This mean that when there is App_Offline.htm file in the root of a web application directory then ASP.NET will shut-down the application, unload the application domain from the server, and stop processing any new incoming requests for that application. In ASP.NET 5, there is an open-issue for supporting this feature. 

OVERVIEW
Razor components are specific building blocks within the Blazor framework. They can perform many roles: representing a specific piece of the user interface, a view component, or a tag helper; or representing a layout or an entire page. In Razor Components Succinctly, you will explore how to create and work with both simple and advanced Razor components. Longtime Succinctly author Ed Freitas will show you how to write a basic component using one-way data binding and events, and then two-way data binding, event callbacks, life cycle methods, and component references. Finally, you'll see how to enable component reuse by creating a component template.

TABLE OF CONTENTS
Razor Components
Setup and Fundamentals
Component Fundamentals
Component Features
Using Components
Templating

Author
Ed Freitas

ISBN
978-1-64200-211-9

Published on
April 16, 2021

Pages
102 

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