add a Spreadsheet example where sheet is loaded from an .xlsx file on… (#76)

* add a Spreadsheet example where sheet is loaded from an .xlsx file on the server

Author: StoyanGoranov

Telerik.Examples.Mvc/NuGet.config

@@ -1,9 +1,11 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <packageSources>
         <clear /> <!-- ensure only the sources defined below are used -->
 		<add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
         <add key="Telerik.UI.for.AspNet.Core.Trial.2022.2.510" value=".\\nuget" />
+        <add key="Telerik" value="https://nuget.telerik.com/v3/index.json" />
+		<add key="Telerik.Web.Spreadsheet.Trial.2023.1.426" value=".\\nuget" />
     </packageSources>
 </configuration> 
 

Telerik.Examples.Mvc/Telerik.Examples.Mvc/Controllers/Spreadsheet/Spreadsheet_Load_Xlsx_From_ServerController.cs

@@ -0,0 +1,39 @@
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Mvc;
+using NuGet.ContentModel;
+using System.IO;
+using Telerik.SvgIcons;
+using Telerik.Web.Spreadsheet;
+
+namespace Telerik.Examples.Mvc.Controllers.Spreadsheet
+{
+    public class Spreadsheet_Load_Xlsx_From_ServerController : Controller
+    {
+        public IActionResult Spreadsheet_Load_Xlsx_From_Server()
+        {
+            return View("~/Views/Spreadsheet/Spreadsheet_Load_Xlsx_From_Server.cshtml");
+        }
+        private readonly IWebHostEnvironment _hostingEnvironment;
+
+        public Spreadsheet_Load_Xlsx_From_ServerController(IWebHostEnvironment hostingEnvironment)
+        {
+            _hostingEnvironment = hostingEnvironment;
+        }
+
+        public IActionResult ReadFile()
+        {
+            string filePath = Path.Combine(_hostingEnvironment.WebRootPath, "files", "Test.xlsx");
+            var exists = System.IO.File.Exists(filePath);
+            if (System.IO.File.Exists(filePath))
+            {
+                Stream fileStream = System.IO.File.OpenRead(filePath);
+                var workbook = Workbook.Load(fileStream, Path.GetExtension(filePath));
+                return Content(workbook.ToJson(), Telerik.Web.Spreadsheet.MimeTypes.JSON);
+            }
+            else
+            {
+                return Content("Request file does not exist.");
+            }
+        }
+    }
+}

Telerik.Examples.Mvc/Telerik.Examples.Mvc/Program.cs

@@ -57,6 +57,7 @@
     options.ViewLocationFormats.Add("/Views/MultiSelect/{0}" + RazorViewEngine.ViewExtension);
     options.ViewLocationFormats.Add("/Views/Scheduler/{0}" + RazorViewEngine.ViewExtension);
     options.ViewLocationFormats.Add("/Views/StylesAndLayout/{0}" + RazorViewEngine.ViewExtension);
+    options.ViewLocationFormats.Add("/Views/Spreadsheet/{0}" + RazorViewEngine.ViewExtension);
 });
 
 builder.Services.AddDbContext<GeneralDbContext>(options =>

Telerik.Examples.Mvc/Telerik.Examples.Mvc/Telerik.Examples.Mvc.csproj

@@ -21,6 +21,7 @@
     <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="7.0.0" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="7.0.6" />
     <PackageReference Include="System.Drawing.Common" Version="7.0.0" />
+    <PackageReference Include="Telerik.Web.Spreadsheet.Trial" Version="2023.1.426" />
     <PackageReference Include="Telerik.UI.for.AspNet.Core.Trial" Version="2023.3.1114" />
     <PackageReference Include="Telerik.Web.Captcha.Trial" Version="1.1.2" />
   </ItemGroup>

Telerik.Examples.Mvc/Telerik.Examples.Mvc/Views/Spreadsheet/Spreadsheet_Load_Xlsx_From_Server.cshtml

@@ -0,0 +1,30 @@
+@(Html.Kendo().Spreadsheet()
+          .Name("spreadsheet")
+          .HtmlAttributes(new { style = "width:100%" })
+          .Toolbar(false)
+          .Sheetsbar(false)
+          .Excel(excel => excel
+              .ProxyURL(Url.Action("Index_Save", "Spreadsheet"))
+          )
+          .Pdf(pdf => pdf
+              .ProxyURL(Url.Action("Index_Save", "Spreadsheet"))
+          )
+      )
+
+<script>
+    $(document).ready(function(){
+        readFile();
+    })
+    function readFile(){
+        $.ajax({
+            url: "@Url.Action("ReadFile","Spreadsheet_Load_Xlsx_From_Server")",
+            success: function (e) {
+                var spreadsheet = $("#spreadsheet").data("kendoSpreadsheet");
+                spreadsheet.fromJSON(e);
+            },
+            error: function (er) {
+                console.log(er);
+            }
+        })
+    }
+</script>