Nested Group

saeed moradi

Hellow,

How Can I Set NestedGorup Programmatic
when my code is this :
LastGroupHeader.NestedGroup = new FastReport.GroupHeaderBand();
I encounter this exception :
Object of type GroupHeaderBand cannot contain objects of type GroupHeaderBand

AlexTZ

Hello,

You have to disconnect the main group's Data band first, before adding a nested group:

      // create the main group
      GroupHeaderBand mainGroup = new GroupHeaderBand();
      mainGroup.Height = Units.Millimeters * 10;
      mainGroup.Name = "MainGroup";
      mainGroup.Condition = "[Orders.CustomerName]";
      // add a group to the page
      page.Bands.Add(mainGroup);

      // create a data band
      DataBand dataBand = new DataBand();
      dataBand.Height = Units.Millimeters * 10;
      dataBand.Name = "GroupData";
      dataBand.DataSource = report.GetDataSource("Orders");
      // connect the databand to the nested group
      mainGroup.Data = dataBand;


      // now create the nested group
      GroupHeaderBand nestedGroup = new GroupHeaderBand();
      nestedGroup.Height = Units.Millimeters * 10;
      nestedGroup.Name = "NestedGroup";
      nestedGroup.Condition = "[Orders.OrderDate]";
      
      // add it to the main group. Disconnect main group data band first!
      nestedGroup.Data = dataBand;
      mainGroup.NestedGroup = nestedGroup;

saeed moradi

thanks,disconnect data was the gist