RowType Element (CSDL)

A RowType element in conceptual schema definition language (CSDL) defines an unnamed structure as a parameter or return type for a function defined in the conceptual model. For more information, see Function Element (CSDL).

A RowType element can be the child of the following elements:

• CollectionType

• Parameter

• ReturnType

A RowType element can have the following child elements (in the order listed):

• Property (one or more)

• Annotation elements (zero or more)

Applicable Attributes

Any number of annotation attributes (custom XML attributes) may be applied to the RowType element. However, custom attributes may not belong to any XML namespace that is reserved for CSDL. The fully-qualified names for any two custom attributes cannot be the same.

Example

The following example shows a model-defined function that uses a CollectionType element to specify that the function returns a collection of rows (as specified in the RowType element).

<Function Name="LastNamesAfter">
  <Parameter Name="someString" Type="Edm.String" />
  <ReturnType>
   <CollectionType>
     <RowType>
       <Property Name="FirstName" Type="Edm.String" Nullable="false" />
       <Property Name="LastName" Type="Edm.String" Nullable="false" />
     </RowType>
   </CollectionType>
  </ReturnType>
  <DefiningExpression>
            SELECT VALUE ROW(p.FirstName, p.LastName)
            FROM SchoolEntities.People AS p
            WHERE p.LastName &gt;= somestring
  </DefiningExpression>
</Function>

See Also

Concepts

Entity Framework Overview
CSDL Specification
FunctionImport Element (CSDL)

Other Resources

CSDL, SSDL, and MSL Specifications
ADO.NET Entity Data Model Tools