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Commit 148b48b

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Add project files.
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‎ExportExcel-in-ASPNetCore.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.0.31912.275
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ExportExcel-in-ASPNetCore", "ExportExcel-in-ASPNetCore\ExportExcel-in-ASPNetCore.csproj", "{E58F8DEF-0269-4F30-8728-D81BA6F62250}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{E58F8DEF-0269-4F30-8728-D81BA6F62250}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{E58F8DEF-0269-4F30-8728-D81BA6F62250}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{E58F8DEF-0269-4F30-8728-D81BA6F62250}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{E58F8DEF-0269-4F30-8728-D81BA6F62250}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {C8A750E2-A817-4DB1-8875-8803B03A4060}
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EndGlobalSection
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EndGlobal
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using ClosedXML.Excel;
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using ExportExcel_in_ASPNetCore.Models;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.Logging;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Threading.Tasks;
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namespace ExportExcel_in_ASPNetCore.Controllers
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{
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public class HomeController : Controller
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{
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private readonly ILogger<HomeController> _logger;
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private readonly myDataContext _context;
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public HomeController(ILogger<HomeController> logger, myDataContext context)
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{
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_logger = logger;
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_context = context;
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}
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public IActionResult Index()
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{
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List<Customer> customers = _context.customers.ToList();
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return View(customers);
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}
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[HttpPost]
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public IActionResult ExportExcel()
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{
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var customers = _context.customers.ToList();
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using (XLWorkbook wb = new XLWorkbook())
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{
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wb.Worksheets.Add(Common.ToDataTable(customers.ToList()));
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using (MemoryStream stream = new MemoryStream())
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{
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wb.SaveAs(stream);
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return File(stream.ToArray(), "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "customer.xlsx");
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}
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}
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return View();
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}
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public IActionResult Privacy()
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{
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return View();
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}
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[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
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public IActionResult Error()
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{
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return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
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}
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}
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}
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<Project Sdk="Microsoft.NET.Sdk.Web">
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<PropertyGroup>
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<TargetFramework>net5.0</TargetFramework>
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<RootNamespace>ExportExcel_in_ASPNetCore</RootNamespace>
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<CopyRefAssembliesToPublishDirectory>false</CopyRefAssembliesToPublishDirectory>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="ClosedXML" Version="0.95.4" />
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<PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="5.0.9" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="2.1.1" />
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</ItemGroup>
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</Project>
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Reflection;
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namespace ExportExcel_in_ASPNetCore.Models
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{
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public static class Common
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{
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public static DataTable ToDataTable<T>(List<T> items)
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{
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DataTable dataTable = new DataTable(typeof(T).Name);
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//Get all the properties
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PropertyInfo[] Props = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance);
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foreach (PropertyInfo prop in Props)
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{
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//Setting column names as Property names
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dataTable.Columns.Add(prop.Name);
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}
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foreach (T item in items)
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{
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var values = new object[Props.Length];
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for (int i = 0; i < Props.Length; i++)
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{
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//inserting property values to datatable rows
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values[i] = Props[i].GetValue(item, null);
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}
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dataTable.Rows.Add(values);
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}
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//put a breakpoint here and check datatable
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return dataTable;
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}
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}
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}
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using System.ComponentModel.DataAnnotations;
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namespace ExportExcel_in_ASPNetCore.Models
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{
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public class Customer
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{
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[Key]
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public int customer_id { get; set; }
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public string first_name { get; set; }
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public string last_name { get; set; }
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public string phone { get; set; }
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public string email { get; set; }
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public string street { get; set; }
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public string city { get; set; }
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public string state { get; set; }
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public string zip_code { get; set; }
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}
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}
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using System;
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namespace ExportExcel_in_ASPNetCore.Models
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{
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public class ErrorViewModel
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{
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public string RequestId { get; set; }
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public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
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}
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}
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using Microsoft.EntityFrameworkCore;
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namespace ExportExcel_in_ASPNetCore.Models
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{
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public class myDataContext : DbContext
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{
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public myDataContext(DbContextOptions<myDataContext> options) : base(options)
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{
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}
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public DbSet<Customer> customers { get; set; }
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}
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}

‎ExportExcel-in-ASPNetCore/Program.cs

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using Microsoft.AspNetCore.Hosting;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Logging;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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namespace ExportExcel_in_ASPNetCore
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{
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public class Program
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{
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public static void Main(string[] args)
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{
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CreateHostBuilder(args).Build().Run();
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}
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public static IHostBuilder CreateHostBuilder(string[] args) =>
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Host.CreateDefaultBuilder(args)
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.ConfigureWebHostDefaults(webBuilder =>
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{
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webBuilder.UseStartup<Startup>();
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});
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}
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}
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{
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"iisSettings": {
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"windowsAuthentication": false,
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"anonymousAuthentication": true,
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"iisExpress": {
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"applicationUrl": "http://localhost:32299",
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"sslPort": 44347
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}
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},
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"profiles": {
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"IIS Express": {
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"commandName": "IISExpress",
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"launchBrowser": true,
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"environmentVariables": {
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"ASPNETCORE_ENVIRONMENT": "Development",
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"ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation"
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}
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},
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"ExportExcel_in_ASPNetCore": {
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"commandName": "Project",
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"dotnetRunMessages": "true",
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"launchBrowser": true,
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"applicationUrl": "https://localhost:5001;http://localhost:5000",
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"environmentVariables": {
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"ASPNETCORE_ENVIRONMENT": "Development",
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"ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation"
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}
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}
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}
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}

‎ExportExcel-in-ASPNetCore/Startup.cs

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using ExportExcel_in_ASPNetCore.Models;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.AspNetCore.HttpsPolicy;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Hosting;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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namespace ExportExcel_in_ASPNetCore
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{
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public class Startup
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{
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public Startup(IConfiguration configuration)
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{
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Configuration = configuration;
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}
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public IConfiguration Configuration { get; }
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// This method gets called by the runtime. Use this method to add services to the container.
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public void ConfigureServices(IServiceCollection services)
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{
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services.AddControllersWithViews();
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string conStr = this.Configuration.GetConnectionString("DBConnection");
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services.AddDbContext<myDataContext>(options => options.UseSqlServer(conStr));
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}
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// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
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public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
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{
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if (env.IsDevelopment())
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{
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app.UseDeveloperExceptionPage();
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}
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else
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{
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app.UseExceptionHandler("/Home/Error");
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// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
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app.UseHsts();
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}
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app.UseHttpsRedirection();
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app.UseStaticFiles();
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app.UseRouting();
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app.UseAuthorization();
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app.UseEndpoints(endpoints =>
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{
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endpoints.MapControllerRoute(
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name: "default",
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pattern: "{controller=Home}/{action=Index}/{id?}");
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});
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}
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}
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}

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