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C# MVC:将视图中的网格内容导出到Excel文件?_C#_Asp.net Mvc_Export To Excel - Fatal编程技术网

C# MVC:将视图中的网格内容导出到Excel文件?

C# MVC:将视图中的网格内容导出到Excel文件?,c#,asp.net-mvc,export-to-excel,C#,Asp.net Mvc,Export To Excel,我正在使用将模型数据值加载到视图上的漂亮网格中,并具有排序/筛选功能。网格在视图中的编码如下所示: <div class="assetList"> @try { @Html.Grid(Model).Columns(columns => { columns.Add().Encoded(false).Sanitized(false).RenderValueAs(o => @<a href="/INV

我正在使用将模型数据值加载到视图上的漂亮网格中,并具有排序/筛选功能。网格在视图中的编码如下所示:

<div class="assetList">
    @try
    {
        @Html.Grid(Model).Columns(columns =>
        {
            columns.Add().Encoded(false).Sanitized(false).RenderValueAs(o => @<a href="/INV_Assets/Edit/@o.Id" class="btn btn-primary btn-sm noDecoration"><span class="glyphicon glyphicon-pencil"></span> @*Edit*@</a>).SetWidth(15);
            columns.Add().Encoded(false).Sanitized(false).RenderValueAs(o => @<a href="/INV_Assets/Delete/@o.Id" class="btn btn-danger btn-sm noDecoration"><span class="glyphicon glyphicon-remove-circle"></span> @*Delete*@</a>).SetWidth(15);
            columns.Add().Encoded(false).Sanitized(false).RenderValueAs(o => @<a href="#" class="btn btn-default btn-sm noDecoration verifyBtn" onclick="verifyAsset(@o.Id)"><span class="glyphicon glyphicon-ok"></span> @*View*@</a>).SetWidth(15);
            @*columns.Add().Encoded(false).Sanitized(false).RenderValueAs(o => @<a href="/INV_Assets/Details/@o.Id" class="btn btn-default btn-sm noDecoration"><span class="glyphicon glyphicon-eye-open"></span> @*View*</a>).SetWidth(15);*@
            columns.Add(o => o.Status.status_description).Titled("Status").RenderValueAs(o => o.Status.status_description).Sanitized(false).Encoded(false).Sortable(true).Filterable(true).SetWidth(20);
            columns.Add(o => o.Location.location_dept).Titled("Dept").RenderValueAs(o => o.Location.location_dept).SetWidth(20);
            columns.Add(o => o.Location.location_room).Titled("Room").RenderValueAs(o => o.Location.location_room).SetWidth(20);
            columns.Add(o => o.owner).Titled("Owner").RenderValueAs(o => o.owner).SetWidth(20);
            columns.Add(o => o.Type.type_description).Titled("Type").RenderValueAs(o => o.Type.type_description).SetWidth(20);
            columns.Add(o => o.Manufacturer.manufacturer_description).Titled("Manufacturer").RenderValueAs(o => o.Manufacturer.manufacturer_description).SetWidth(20);
            columns.Add(o => o.Model.model_description).Titled("Model").RenderValueAs(o => o.Model.model_description).SetWidth(20);
            columns.Add(o => o.Vendor.vendor_name).Titled("Vendor").RenderValueAs(o => o.Vendor.vendor_name).SetWidth(20);
            columns.Add(o => o.description).Titled("Desc").RenderValueAs(o => o.description).SetWidth(20);
            columns.Add(o => o.asset_tag_number).Titled("Asset Tag #").RenderValueAs(o => o.asset_tag_number).SetWidth(20);
            columns.Add(o => o.serial_number).Titled("Serial #").RenderValueAs(o => o.serial_number).SetWidth(20);
            columns.Add(o => o.ip_address).Titled("IP Addr").RenderValueAs(o => o.ip_address).SetWidth(20);
            columns.Add(o => o.mac_address).Titled("Mac Addr").RenderValueAs(o => o.mac_address).SetWidth(20);
            columns.Add(o => o.po_number).Titled("PO #").RenderValueAs(o => o.po_number).SetWidth(20);
            columns.Add(o => o.invoice_number).Titled("Inv. #").RenderValueAs(o => Convert.ToString(o.invoice_number)).SetWidth(20);
            columns.Add(o => o.cost).Titled("Cost").RenderValueAs(o => "$" + Convert.ToString(o.cost)).SetWidth(20);
            columns.Add(o => o.note).Titled("Note").RenderValueAs(o => o.note).SetWidth(20);
            columns.Add(o => o.acquired_date).Titled("Acq. Date").RenderValueAs(o => Convert.ToString(o.acquired_date)).SetWidth(20);
            columns.Add(o => o.disposed_date).Titled("Disp. Date").RenderValueAs(o => Convert.ToString(o.disposed_date)).SetWidth(20);
            columns.Add(o => o.verified_date).Titled("Ver. Date").RenderValueAs(o => Convert.ToString(o.verified_date)).SetWidth(20);
            columns.Add(o => o.created_date).Titled("Crtd. Date").RenderValueAs(o => Convert.ToString(o.created_date)).SetWidth(20);
            columns.Add(o => o.created_by).Titled("By").RenderValueAs(o => o.created_by).SetWidth(20);
            columns.Add(o => o.modified_date).Titled("Mod. Date").RenderValueAs(o => Convert.ToString(o.modified_date)).SetWidth(20);
            columns.Add(o => o.modified_by).Titled("By").RenderValueAs(o => o.modified_by).SetWidth(20);
        }).WithPaging(10).Sortable().Filterable().WithMultipleFilters();
    }
    catch (NullReferenceException ex)
    {
        return;
    }
</div>
我试图做的是创建一个Export()功能,将指定字段的内容导出到Excel文件中。例如,我的最终网格可能只包含10个字段列,但模型本身有27个字段。我希望将所有字段作为复选框包含在内,并将选中的每个字段的当前网格中的特定字段导出到Excel文件中

我从几个示例中拼凑了以下控制器操作:

    public ActionResult Export()
    {
        GridView gv = new GridView();
        gv.DataSource = _db.INV_Assets.ToList();
        gv.DataBind();
        Response.ClearContent();
        Response.Buffer = true;
        Response.AddHeader("content-disposition", "attachment; filename=InventoryAssets-" + DateTime.Now + ".xls");
        Response.ContentType = "application/ms-excel";
        Response.Charset = "";
        StringWriter sw = new StringWriter();
        HtmlTextWriter htw = new HtmlTextWriter(sw);
        gv.RenderControl(htw);
        Response.Output.Write(sw.ToString());
        Response.Flush();
        Response.End();

        return RedirectToAction("Index", "Home");
    }
目前,这将获取我的
库存资产
模型中的所有内容,并按如下方式导出:

我不喜欢的是当前方法导出整个
INV_资产
表/模型,并导出模型、制造商、类型、位置、供应商和状态
ID
,而不是每个属性的文本值。另外,
[asset_tag_number]
应该是类似于
293548195023
的文件显示为
2.93548E+11
,尽管我认为这只是一个格式问题

是否有人可以在此提供有关如何改进/或更好地实现所需功能的见解或建议


编辑

使用Dawood的建议,我尝试使用。在我的视图中,我现在有一个填充了所有模型属性的列表框和一个调用我的
ExportUsingEPPlus()
控制器操作的链接:

@Html.ListBox("PropertyList", typeof(InventoryTracker.Models.INV_Assets).GetProperties().Select(p => new SelectListItem { Text = p.Name, Value = p.Name, Selected = false }), new { @Id = "exportListBox" })

<a href="/Export/ExportUsingEPPlus" class="btn btn-default btn-sm noDecoration"><span class="glyphicon glyphicon-export"> Export - EPPlus</span></a>
我现在需要的是将列表框中的所有选定值传递给控制器操作,然后创建包含选定字段中所有数据的Excel导出


是否有人可以提供有关如何将我的列表框选择传递给控制器操作的建议
exportusingeplus()

我认为您应该看看EpPlus库。它很容易使用。如果您下载源代码并查看一下,应该会很清楚。@DawoodAwan,谢谢。我喜欢EPPlus作为解决方案的外观,并且已经得到了一个要生成的测试文件;请看我的编辑上面。
@Html.ListBox("PropertyList", typeof(InventoryTracker.Models.INV_Assets).GetProperties().Select(p => new SelectListItem { Text = p.Name, Value = p.Name, Selected = false }), new { @Id = "exportListBox" })

<a href="/Export/ExportUsingEPPlus" class="btn btn-default btn-sm noDecoration"><span class="glyphicon glyphicon-export"> Export - EPPlus</span></a>
    public ActionResult ExportUsingEPPlus()
    {

        //FileInfo newExcelFile = new FileInfo(output);
        ExcelPackage package = new ExcelPackage();
        var ws = package.Workbook.Worksheets.Add("TestExport");
        ws.Cells["A1"].Value = "Sample Export 1";


        var memoryStream = new MemoryStream();
        package.SaveAs(memoryStream);

        string fileName = "Exported-InventoryAssets-" + DateTime.Now + ".xlsx";
        string contentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";

        memoryStream.Position = 0;
        return File(memoryStream, contentType, fileName);

    }