Session.ExecuteQueryWithMetadata(String, String[], Object[]) Method

Executes the specified SQL query and returns its result set along with the types and names of retrieved columns.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v24.2.dll

Declaration

C#

public SelectedData ExecuteQueryWithMetadata(
    string sql,
    string[] parameterNames,
    object[] parameterValues
)

VB.NET

Public Function ExecuteQueryWithMetadata(
    sql As String,
    parameterNames As String(),
    parameterValues As Object()
) As SelectedData

Parameters

Name	Type	Description
sql	String	Specifies an SQL statement.
parameterNames	String[]	Specifies parameter names.
parameterValues	Object[]	An array of objects specifying parameters to pass to the database server along with the query.

Returns

Type	Description
SelectedData	A SelectedData object, specifying the query’s result set and the types and names of retrieved columns.

Remarks

Use ExecuteQueryWithMetadata to query data stores for result sets. You can visualize result sets via the XPDataView. To learn how to access the resulting data, refer to How to: Access Data in SQL Query Results.

To learn more about executing SQL queries in XPO, refer to Direct SQL Queries.

Note

The ExecuteQueryWithMetadata method sends queries directly, so the correct query syntax depends on a particular database server.