Session.ExecuteQuery(String) Method
Executes the specified SQL query and returns a result set.
Namespace: DevExpress.Xpo
Assembly: DevExpress.Xpo.v24.1.dll
NuGet Packages: DevExpress.Win.PivotGrid, DevExpress.Win.TreeMap, DevExpress.Xpo
#Declaration
public SelectedData ExecuteQuery(
string sql
)
#Parameters
Name | Type | Description |
---|---|---|
sql | String | Specifies an SQL statement. |
#Returns
Type | Description |
---|---|
Selected |
A Selected |
#Remarks
Use ExecuteQuery 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.
The example below demonstrates how to use this method. Here, session is the Session instance.
using DevExpress.Xpo.DB;
// ...
SelectedData data = GetEmployeesSimpleData();
// ...
public SelectedData GetEmployeesSimpleData() {
const string queryString =
@"SELECT EmployeeID, (FirstName + ' ' + LastName) as Name, City, Country
FROM [Northwind].[dbo].[Employees]";
return session.ExecuteQuery(queryString);
}
To learn more about executing SQL queries in XPO, refer to Direct SQL Queries.
Note
The Execute