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Session.GetObjectsFromSproc<T>(List<XPMemberInfo>, String, OperandValue[]) Method

Executes a stored procedure and returns its result set as a collection of objects of a non-persistent type specified by the generic type parameter.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v19.2.dll

Declaration

public ICollection<T> GetObjectsFromSproc<T>(
    List<XPMemberInfo> members,
    string sprocName,
    params OperandValue[] parameters
)
Public Function GetObjectsFromSproc(Of T)(
    members As List(Of XPMemberInfo),
    sprocName As String,
    ParamArray parameters As OperandValue()
) As ICollection(Of T)
public ICollection<T> GetObjectsFromSproc<T>(
    List<XPMemberInfo> members,
    string sprocName,
    params OperandValue[] parameters
)
Public Function GetObjectsFromSproc(Of T)(
    members As List(Of XPMemberInfo),
    sprocName As String,
    ParamArray parameters As OperandValue()
) As ICollection(Of T)

Parameters

Name Type Description
members List<XPMemberInfo>

A list of XPMemberInfo objects representing object members that are mapped to the stored procedure's result set columns. The order of list elements should correspond to the order of result set columns.

sprocName String

A String value that specifies the stored procedure's name.

parameters OperandValue[]

An array of OperandValue objects representing parameters to pass to the stored procedure.

Parameters

Name Type Description
members List<XPMemberInfo>

A list of XPMemberInfo objects representing object members that are mapped to the stored procedure's result set columns. The order of list elements should correspond to the order of result set columns.

sprocName String

A String value that specifies the stored procedure's name.

parameters OperandValue[]

An array of OperandValue objects representing parameters to pass to the stored procedure.

Returns

Type Description
ICollection<T>

A collection of non-persistent objects of the specified type that are instantiated with data obtained via the specified stored procedure.

Returns

Type Description
ICollection<T>

A collection of non-persistent objects of the specified type that are instantiated with data obtained via the specified stored procedure.

Type Parameters

Name Description
T

Type Parameters

Name Description
T

Remarks

This method performs the following:

  • Executes the specified stored procedure with parameters and obtains the result as a result set.
  • Creates objects of the specified type and instantiates them with the result set's data, based on the mapping information passed as the members parameter. Note that the GetObjectsFromSproc<T> method's generic type parameter should specify a non-persistent class decorated with a NonPersistentAttribute.
  • Populates a collection with these objects.
Note

The GetObjectsFromSproc<T> method throws an exception if the members list includes any of the following object members:

  • A property that is not defined within the T type.
  • A struct type member.
  • A reference to a class with a struct type member.
  • A collection used in object relations.

To learn more about executing stored procedures in XPO and retrieving objects from the results, refer to Stored Procedures.

See Also