/// <summary>
/// binding Custom collection to the GridGroupingControl.
/// </summary>
private void SampleCustomization()
{
CustomerCollection customers = PopulateCustomers.CreateCustomers();
this.groupingGrid1.DataSource = customers;
GridEngine engine = this.groupingGrid1.Engine;
engine.TopLevelGroupOptions.ShowCaption = true;
GridRelationDescriptorCollection relations = new GridRelationDescriptorCollection();
// First level
GridRelationDescriptor rd = AddRelation("Level_0", relations);
// Subsequent levels
for (int level = 1; level < 5; level++)
{
rd = AddRelation("Level_" + level.ToString(), rd.ChildTableDescriptor.Relations);
}
this.groupingGrid1.TableDescriptor.Relations = relations;
Syncfusion.Grouping.Diagnostics.IterateThroughNestedDisplayElement(this.groupingGrid1.Table);
}
//Adding relation to the child columns.
GridRelationDescriptor AddRelation(string name, GridRelationDescriptorCollection relations)
{
GridRelationDescriptor children = new GridRelationDescriptor();
children.RelationKind = RelationKind.UniformChildList;
children.MappingName = "Children";
children.Name = name;
relations.Add(children);
return(children);
}
