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Web File Download (UI)

This document present two different download file methods:

1. Example: File Download with MVC Action

This example added a data item toolbar button with a download icon.

Data Item Toolbar Standard Add Download

To do: Web Controller

  1. Declaration Toolbar Item and Action text Download

    C#
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    /// <summary>
/// Toolbar Item Button on view Index (Download)
/// </summary>
private string ToolbarItemButtonIndexDownload = "Download";

  2. Override method IndexGetToolbarItem and add Toolbar Button Download by data item

    C#
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    /// <summary>
/// Add Toolbar Item Button Download
/// </summary>
protected override List<ToolbarButton> IndexGetToolbarItem()
{
    var lToolbar = base.IndexGetToolbarItem();
    lToolbar.Add(new SOWIWeb.Helper.ToolbarButton(SOWIWeb.Helper.ButtonType.Action)
    {
        Icon = "glyphicon glyphicon-cloud-download",
        MVCController = "TemplateFile",
        MVCAction = ToolbarItemButtonIndexDownload,
        TooltipText = this.DictionaryUI.ToTranslate(SOWIData.Management.DictionaryUIGroup.Button.ToString(), ToolbarItemButtonIndexDownload)
    });
    return lToolbar;
}

  3. Add method File Result Download

    C#
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    #region --- Download ---

/// <summary>
/// Gives file content
/// </summary>
public FileResult Download()
{
    var lItem = SOWIApp.Package.TemplateFile.GetFileContent(this.ID, this.AppTemplateFile.ConnectionString, this.AppTemplateFile.UserName, this.AppTemplateFile.ClientID);
    string lFileName = lItem.Name;
    string lType = lItem.Type;
    byte[] lContent = lItem.Content;
    if (lType.Length == 0)
    {
        string lFileExtension = System.IO.Path.GetExtension(lFileName);
        lType = SIC.File.MIME.GetMIMEType(lFileExtension);
    }
    return File(lContent, lType, lFileName);
}

#endregion
2. Example: File Download with MVC Submit

This example added a toolbar button with a export icon.

... TODO: create a example based at view Details ...

To do: Web Controller

  1. Declaration Toolbar Buttons include Submit button Export

    C#
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    private List<SOWIWeb.Helper.ToolbarButton> ObjektGetToolbar()
{
    var lToolbar = new List<SOWIWeb.Helper.ToolbarButton>();

    // other toolbar buttons

    lToolbar.Add(new SOWIWeb.Helper.ToolbarButton(SOWIWeb.Helper.ButtonType.Submit)
    {
        SubmitValue = easyPlanHelper.ToolbarButtonsObjekt.Export.ToString(),
        Icon = "glyphicon glyphicon-export",
        Label = "Export"
    });
    return lToolbar;
}

  2. ...post ...

    C#
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    [HttpPost]
public ActionResult Details(string submit, DataClassItem pItem)
{
  if(submit == "Export")
  {
  }
}

    C#
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    private ActionResult ObjektOnActionResultPostExport(DataItemClass pItem)
{
    AppEasyPlan.Export(pItem);
    SOWIWeb.Helper.Session.DownloadFileName = AppEasyPlan.ExportFileName;
    SOWIWeb.Helper.Session.DownloadContent = AppEasyPlan.ExportContent;
    pItem.Download = true;
    SOWIWeb.Helper.Session.Message = "easyPlan Objekt wird erstellt!";
    return ObjektOnActionResultPostSave(pItem);
}