This is the code sample to set 2 level of hierarchy in Rad Grid view.
radGridView1.DataSource = nwindDataSet.Suppliers;
GridViewTemplate template = new GridViewTemplate();
template.DataSource = nwindDataSet.Products;
radGridView1.MasterGridViewTemplate.ChildGridViewTemplates.Add(template);
GridViewRelation relation = new GridViewRelation(radGridView1.MasterGridViewTemplate);
relation.ChildTemplate = template;
relation.RelationName = "SuppliersProducts";
relation.ParentColumnNames.Add("SupplierID");
relation.ChildColumnNames.Add("SupplierID");
radGridView1.Relations.Add(relation);
I want to set it further at 3rd level in programming not in design. How can I do this?
I want this hierarchy.
- Suplier
----Product
--------Category