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doArcanjo/ExcelResult.cs

Forked from aprilyush/ExcelResult.cs
Created April 4, 2018 16:33
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  1. @SLaks SLaks created this gist Jul 4, 2012.
    58 changes: 58 additions & 0 deletions ExcelResult.cs
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,58 @@
    using System;
    using System.Collections.Generic;
    using System.IO;
    using System.Web.Mvc;

    namespace ExcelExporter.Mvc {
    ///<summary>An ActionResult that sends an Excel spreadsheet to the client.</summary>
    public class ExcelResult : FilePathResult {
    static readonly Dictionary<ExcelFormat, string> ContentTypes = new Dictionary<ExcelFormat, string> {
    { ExcelFormat.Excel2003, "application/vnd.ms-excel" },
    { ExcelFormat.Excel2007, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" },
    { ExcelFormat.Excel2007Binary, "application/vnd.ms-excel.sheet.binary.macroEnabled.12" },
    { ExcelFormat.Excel2007Macro, "application/vnd.ms-excel.sheet.macroEnabled.12" },
    };
    static string GetFileName(string extension) {
    var path = Path.GetTempFileName();
    File.Delete(path);
    return Path.ChangeExtension(path, extension);
    }
    ///<summary>Gets the Excel format that will be sent to the client.</summary>
    public ExcelFormat Format { get; private set; }

    ///<summary>Creates an ExcelResult that sends an Excel spreadsheet with the specified filename and format.</summary>
    public ExcelResult(string name, ExcelFormat format) //OleDb fails if the extension doesn't match...
    : base(GetFileName(ExcelExport.GetExtension(format)), ContentTypes[format]) {
    FileDownloadName = name;
    Format = format;
    }

    readonly ExcelExport exporter = new ExcelExport();

    ///<summary>Adds a collection of strongly-typed objects to be exported.</summary>
    ///<param sheetName="sheetName">The sheetName of the sheet to generate.</param>
    ///<param sheetName="items">The rows to export to the sheet.</param>
    ///<returns>This instance, to allow chaining.kds</returns>
    public ExcelExport AddSheet<TRow>(string sheetName, IEnumerable<TRow> items) {
    exporter.AddSheet(sheetName, items);
    return this;
    }

    ///<summary>Adds the contents of a DataTable instance to be exported, using the table's name as the worksheet name.</summary>
    public ExcelExport AddSheet(DataTable table) {
    if (table == null) throw new ArgumentNullException("table");
    return AddSheet(table.TableName, table);
    }
    ///<summary>Adds the contents of a DataTable instance to be exported.</summary>
    public ExcelExport AddSheet(string sheetName, DataTable table) {
    exporter.AddSheet(sheetName, table);
    return this;
    }

    ///<summary>Creates the Excel file and sends it to the client.</summary>
    public override void ExecuteResult(ControllerContext context) {
    exporter.ExportTo(FileName, Format);
    base.ExecuteResult(context);
    }
    }
    }