How to access the nested Embedded Schema fieldsin C# Fragement

Question

I have three Schema A (Content) , B(Embedded), C(Embedded)

Schema A have fields A1(text) and A2(EmbeddedSchema)

Schema B have fields B1(EmbeddedSchema), B2(text) And Schema C have fields C1(text) and C2(text)

Schema B is embedded with field A2 and Schema C is embedded with field B1.

How to get the value of C1 field in C# TBB/Fragment.

I am doing to get the value of field A2 (document_order) with below code but unable to get the in field C1

if (pubMetadata.Contains("order_sort"))
{    
    foreach (ItemFields docsort in ((EmbeddedSchemaField)pubMetadata["order_sort"]).Values) 
    {
        //Below code line works 
        string docOrder = ((KeywordField)docsort["document_order"])
                              .Value.Description.ToString();

        //Below code line is not working 
        string docSortName = ((KeywordField)docsort["doc_sort"])
                                 .Value.Description.ToString();                   
    }

}

Answer 1

The general pattern is that the value of an EmbeddedSchemaField is an ItemFields collection.

So, something along these lines should work (I didn't test this)

ItemFields fields = new ItemFields(Component.Content, Component.Schema);
EmbeddedSchemaField embedded1 = (EmbeddedSchemaField)fields["EmbeddedSchemaFieldName"];
ItemFields embeddedFields = embedded1.Value;
EmbeddedSchemaField embedded2 = (EmbeddedSchemaField)embeddedFields["EmbeddedSchemaField2Name"];
ItemFields embeddedFields2 = embedded2.Value;

Pay attention to multi-value Embedded Schema fields, and all else failing, use the DGX extension from c# Building Blocks.