Blazor Viewer API

<ReportViewer @ref="_viewer" ReportName="@_currentReport" RenderMode="RenderMode.Paginated"/>

<ReportViewer @ref="_viewer" ReportName="@_currentReport" DefaultExportSettings="@defaultExportSettings"/>
@code{ 
  Dictionary<string, Dictionary<string, ExportSetting>> defaultExportSettings = new Dictionary<string, Dictionary<string, ExportSetting>>()
    {
          {
              "xls", new Dictionary<string, ExportSetting>(){
                  {
                      "FileName",  new ExportSetting() {Value = "ar", Visible = true}
                  },
                  {
                      "EnableToggles",  new ExportSetting() {Value = false}
                  }
              }
          }
    };
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" AutoBackgroundColor="true" />

<ReportViewer @ref="_viewer" ReportName="@_currentReport" AvailableExports="availableExportArr"/>
@code{
    ExportTypes[] availableExportArr = new ExportTypes[] {
            ExportTypes.Pdf, ExportTypes.Xlsx, ExportTypes.Xls, ExportTypes.Json
        };
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" Locale="ja-JP"/>

<ReportViewer @ref="_viewer" ReportName="@_currentReport" LocaleData="@_localeData" >
@code{
    string _localeData = "{\"viewer\": {\"toolbar\": {\"refresh\": \"更新\"} } }";
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" LocaleUri="localization.json"/>

<ReportViewer @ref="_viewer" ReportName="@_currentReport" PanelsLocation="PanelsLocation.toolbar" />

<ReportViewer @ref="_viewer" ReportName="@_currentReport" DisplayMode="ViewMode.Single" />

<ReportViewer @ref="_viewer" ReportName="@_currentReport" Action="actionMethod" />
@code{
    public void actionMethod(string actionType , object[] actionParams)
    {
        System.Diagnostics.Debug.WriteLine(actionType);
        foreach(var obj in actionParams)
        {
            System.Diagnostics.Debug.WriteLine(obj);
        }
                }
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" Error="errorMethod" />
@code{
    public void errorMethod(ErrorInfo obj)
    {
        System.Diagnostics.Debug.WriteLine("Error Message :" + obj.Message);
                   }
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" HideErrors="true" />

<ReportViewer @ref="_viewer" ReportName="@_currentReport" InitialZoomMode="@ZoomMode.FitToWidth"/>

<ReportViewer @ref="_viewer" ReportName="@_currentReport" InitialZoomPercentage="50"/>

<ReportViewer @ref="_viewer" ReportName="@_currentReport" DocumentLoaded="DocumentLoaded"/>
@code{
    public void DocumentLoaded()
    {
        System.Diagnostics.Debug.WriteLine("Document Loaded");
    }
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" ReportService="setting" />
@{
    ReportServiceSettings setting = new ReportServiceSettings()
    {
        Url = "http:example.com/api/reporting",
        SecurityToken = "security_Token",
        OnRequest = (OnRequestInfo obj) =>
        {
            obj.Headers.Add("Authorization", "security_Token");
        }
    };
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" ViewerInitialized="InitializedViewer"/>
@code{
    private void InitializedViewer()
    {
        System.Diagnostics.Debug.WriteLine("Viewer is initailized now");
                 }
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" ReportLoaded="ReportLoaded"/>
@code{
    public void ReportLoaded(ReportInfo obj)
    {
        System.Diagnostics.Debug.WriteLine("The report " + obj.Name + " was successfully loaded!");
                   }
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" ParametersPanelSettings="parametersPanelSetting"/>
@code{
    ParametersPanelSettings parametersPanelSetting = new ParametersPanelSettings()
    {
        Location = ParameterPanelLocation.Default,
        Open = ParameterPanelOpen.Always
               };
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" AutoExecuteWithDefaultParams="true" />

<ReportViewer @ref="_viewer" ReportName="@_currentReport" ViewerInitialized="InitializedViewer"/>
@{
private ReportViewer _viewer;
  
   private void InitializedViewer()   
   {
Sidebar obj = _viewer.Sidebar;
   }
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" Parameters="parameterArray"/>
@code{
    Parameter[] parameterArray = new Parameter[]
    {
        new Parameter
        {
            Name = "Category",
            Values = new string[]{"Business" }
        }
                  };
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" />
@code{
private ReportViewer _viewer;
private string _currentReport = null;
    protected override void OnInitialized()
    {
reportsList = ReportsService.GetReports().ToList();
_currentReport = reportsList.FirstOrDefault();     
    }
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" Width="50%"/>

<ReportViewer @ref="_viewer" ReportName="@_currentReport" Height="50%"/>

<ReportViewer @ref="_viewer" ReportName="@_currentReport" ViewerInitialized="InitializedViewer"/>
@{
private ReportViewer _viewer;
  
   private void InitializedViewer()   
   {
Toolbar obj = _viewer.Toolbar;
   }
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" Themes="@_themes"/>
@code{
    private static readonly ColorTheme _theme = new ColorTheme()
    {
        Name = "testTheme",
        BackgroundPanels = "#fdf7f1",
        BackgroundMain = "#fdf7f1",
        Primary = "blue",
        Secondary = "green",
        Neutral = "grey",
        Error = "red",
        Warning = "yellow",
        FontFamily = "'Open Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif",
        Type = ColorThemeType.light
    };
    
    private readonly ThemeSettings _themes = new ThemeSettings()
    {
        InitialTheme = "testTheme",
        ThemeSelector = new ThemeSelector()
        {
            Enabled = true,
            AvailableThemes = new []{ ColorThemes.ActiveReportsDark, _theme, "default" }
        }
    };
    
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport" ViewerInitialized="InitializedViewer"/>
@code{   
private ReportViewer _viewer;
    private void InitializedViewer()
    {
await  _viewer.BackToParrent();
    }
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport"  DocumentLoaded="@DocumentLoaded"/>
@code{   
private async void DocumentLoaded()
    {
     var currentPage = await _viewer.CurrentPage();
     System.Diagnostics.Debug.WriteLine(currentPage);
    }
}

<GrapeCity.ActiveReports.Blazor.ReportViewer @ref="_viewer" ReportName="@reportId" DocumentLoaded="
@DocumentLoaded"/>
@code {
 private ReportViewer _viewer;
 private string reportId = "User defined report columns.rdlx";
 private async void DocumentLoaded()
    {
 await _viewer.Export(ExportTypes.Pdf,
 (uri) =>
    {
    //uri to export result
    },
 false,
 new Dictionary<string, string>() { { "Title", "Some Title" } },
 () =>
    {
   //hecking export cancellation
   return false;
    }
 );
    }
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport"  DocumentLoaded="@DocumentLoaded"/>
@code{   
private async void DocumentLoaded()
    {
        var toc = await _viewer.GetToc();
    }
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport"  DocumentLoaded="@DocumentLoaded"/>
@code{   
private async void DocumentLoaded()
    {
                      await _viewer.GoToPage(2);
    }
}

_viewer.OpenReport("TestReport.rdlx");
OR
    Parameter[] parameterArray = new Parameter[]
   {
        new Parameter
        {
            Name = "Category",
            Values = new string[]{"Business" }
        }
   };
_viewer.OpenReport("TestReport.rdlx", parameterArray);

<ReportViewer @ref="_viewer" ReportName="@_currentReport"  DocumentLoaded="@DocumentLoaded"/>
@code{   
private async void DocumentLoaded()
    {
         var countPage = await _viewer.PageCount();
        System.Diagnostics.Debug.WriteLine(countPage);
    }
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport"  DocumentLoaded="@DocumentLoaded"/>
@code{   
private async void DocumentLoaded()
    {
         await _viewer.Print();
    }
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport"  DocumentLoaded="@DocumentLoaded"/>
@code{   
private async void DocumentLoaded()
    {
         await _viewer.Refresh();
    }
}

<ReportViewer @ref="_viewer" ReportName="@_currentReport"  DocumentLoaded="@DocumentLoaded"/>
@code{   
private async void DocumentLoaded()
    {
        //Searching ALFKI keyword in the report
        await _viewer.Search("ALFKI", new SearchOptions()
        {
            MatchCase = true,
            WholePhrase = false
        },
        (List<SearchResult> results) =>
        {
            if (results != null && results.Count > 0)
            {
                foreach (var res in results)
                {
                    System.Diagnostics.Debug.WriteLine(res.DisplayText);
                }
                
            }
        });
    }