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9. Reports in Web

Inside WebReport

Browsers support

FastReport.OpenSource.Web supports latest versions of Chrome, Firefox, Safari, Opera and Edge browsers.

Using WebReport in ASP.NET MVC application

  1. Add FastReport.OpenSource.Web as nuget dependency in your ASP.NET Core project:
<PackageReference Include="FastReport.Web" Version="*" />
  1. Register FastReport.OpenSource.Web in the Configure method of your Startup class:
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
  1. Create WebReport object and render it in your view file:
public IActionResult Index()
    var webReport = new WebReport();

    return View(webReport);
@model FastReport.Web.WebReport

    @await Model.Render()

Editing a Report in FastReport Online Designer

The WebReport can be used together FastReport Online Designer.

Look at the following example:

public IActionResult Index()
    var webReport = new WebReport();
    // Enable code editor in the Report Designer
    webReport.Mode = WebReportMode.Design;
    // Disable editing of script code
    webReport.DesignScriptCode = false;
    // Set a path to the Report Designer
    webReport.DesignerPath = "/WebReportDesigner/index.html";
    // Set a path to the Designer Save Callback
    webReport.DesignerSaveCallBack = "~/Home/SaveDesignedReport";
    // Set a ID for using it in Callback
    webReport.ID = "DesignReport";   
    return View(webReport);


// Call-back for save the designed report 
public ActionResult SaveDesignedReport(string reportID, string reportUUID)
    ViewBag.Message = String.Format("Confirmed {0} {1}", reportID, reportUUID);
    if (reportID == "DesignReport")
        // Do something with designed report, for example
        Stream reportForSave = Request.InputStream;
        string pathToSave = Server.MapPath("~/App_Data/DesignedReports/test.frx");
        using (FileStream file = new FileStream(pathToSave, FileMode.Create))
    return View();

Also you need to create a simple view in \Views\Home\SaveDesignedReport.cshtml.


Good article about using the Online Designer in ASP .Net Core can be found here.

WebReport Examples

You can see some examples here.

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