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April 25, 2023 17:26
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| using ClosedXML.Excel; | |
| public async Task<FileResult> ExportPeopleInExcel() | |
| { | |
| var people = await context.People.ToListAsync(); | |
| var fileName = "people.xlsx"; | |
| return GenerateExcel(fileName, people); | |
| } | |
| private FileResult GenerateExcel(string fileName, IEnumerable<Person> people) | |
| { | |
| DataTable dataTable = new DataTable("People"); | |
| dataTable.Columns.AddRange(new DataColumn[] | |
| { | |
| new DataColumn("Id"), | |
| new DataColumn("Name") | |
| }); | |
| foreach (var person in people) | |
| { | |
| dataTable.Rows.Add(person.Id, person.Name); | |
| } | |
| using (XLWorkbook wb = new XLWorkbook()) | |
| { | |
| wb.Worksheets.Add(dataTable); | |
| using (MemoryStream stream = new MemoryStream()) | |
| { | |
| wb.SaveAs(stream); | |
| return File(stream.ToArray(), | |
| "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", | |
| fileName); | |
| } | |
| } | |
| } |
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reference: https://github.com/gavilanch/ExportExcelDemoMVC/blob/master/ExportExcelDemo/Controllers/HomeController.cs