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V25.1
  • RefreshFieldListService.MaxNestingLevelUpdate Property

    Specifies the maximum nesting level of fields whose data are requested when the Field List is refreshed.

    Namespace: DevExpress.XtraReports.Web.ReportDesigner.Services

    Assembly: DevExpress.XtraReports.v25.1.Web.dll

    NuGet Package: DevExpress.Web.Reporting.Common

    Declaration

    public virtual int MaxNestingLevelUpdate { get; }

    Property Value

    Type Description
    Int32

    An integer that is the field nesting level whose default value is 5. If the value is 0 (zero), then the root level in the Field List will not expand.

    Remarks

    The following code snippet demonstrates how minimize the number of requests required to refresh the Field List.

    1. Create a descendant of the RefreshFieldListService class and override the MaxNestingLevelUpdate property.

      using DevExpress.XtraReports.Web.ReportDesigner.Services;
      
        public class MyRefreshFieldListService : RefreshFieldListService
        {
            public override int MaxNestingLevelUpdate => 3;
      
        }
      
    2. Register a custom service at the application’s startup.

      • ASP.NET Web Forms and ASP.NET MVC

        using DevExpress.XtraReports.Web.ReportDesigner.Services;
        
          void Application_Start(object sender, EventArgs e) {
            DefaultReportDesignerContainer.Register<RefreshFieldListService, MyRefreshFieldListService>();
          }
        
      • ASP.NET Core

        using DevExpress.XtraReports.Web.ReportDesigner.Services;
        
        var builder = WebApplication.CreateBuilder(args);
        
        builder.Services.AddSingleton<RefreshFieldListService, MyRefreshFieldListService>();
        
        var app = builder.Build();
        
    See Also