@viewModel DotvvmDemo.CalculatorViewModel, Dotvvm
    
<p>
    Enter the first number: 
    <dot:TextBox Text="{value: Number1}" />
</p>
<p>
    Enter the second number: 
    <dot:TextBox Text="{value: Number2}" />
</p>
<p>
    <dot:Button Text="Calculate" Click="{command: Calculate()}" />
</p>
<p>
    The result is: {{value: Result}}
</p>

using System;
    
namespace DotvvmDemo 
{
    public class CalculatorViewModel 
    {
            
        public int Number1 { get; set; }
            
        public int Number2 { get; set; }
            
        public int Result { get; set; }
            
        public void Calculate() 
        {
            Result = Number1 + Number2;
        }
    }
}

<?xml version="1.0" encoding="utf-8"?>
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  For more information on how to configure your ASP.NET application, please visit
  http://go.microsoft.com/fwlink/?LinkId=301880
  -->
<configuration>
  <configSections>
    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
    <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
  </configSections>
  <appSettings>
    <add key="webpages:Version" value="3.0.0.0" />
    <add key="webpages:Enabled" value="false" />
    <add key="ClientValidationEnabled" value="true" />
    <add key="UnobtrusiveJavaScriptEnabled" value="true" />
  </appSettings>
  <connectionStrings>
    <add name="constr" connectionString="data source=.\phonebook.sqlite;foreign keys=true" providerName="System.Data.SQLite" />
  </connectionStrings>
  <system.web>
    <compilation debug="true" targetFramework="4.5" />
    <httpRuntime targetFramework="4.5" />
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  <runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
      <dependentAssembly>
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    <compilers>
      <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6 /nowarn:1659;1699;1701" />
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      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
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    <providers>
      <provider invariantName="System.Data.SQLite" type="System.Data.SQLite.EF6.SQLiteProviderServices, System.Data.SQLite.EF6" />
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    </providers>
  </entityFramework>
  <system.data>
    <DbProviderFactories>
      <remove invariant="System.Data.SQLite.EF6" />
      <add name="SQLite Data Provider (Entity Framework 6)" invariant="System.Data.SQLite.EF6" description=".NET Framework Data Provider for SQLite (Entity Framework 6)" type="System.Data.SQLite.EF6.SQLiteProviderFactory, System.Data.SQLite.EF6" />
      <remove invariant="System.Data.SQLite" />
      <add name="SQLite Data Provider" invariant="System.Data.SQLite" description=".NET Framework Data Provider for SQLite" type="System.Data.SQLite.SQLiteFactory, System.Data.SQLite" />
    </DbProviderFactories>
  </system.data>
</configuration>

<?xml version="1.0" encoding="utf-8"?>
<packages>
  <package id="bootstrap" version="3.0.0" targetFramework="net45" />
  <package id="EntityFramework" version="6.1.3" targetFramework="net45" />
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  <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net45" />
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  <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net45" />
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  <package id="SQLite.CodeFirst" version="1.3.0.17" targetFramework="net45" />
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  <package id="System.Data.SQLite.Linq" version="1.0.105.0" targetFramework="net45" />
</packages>