querymultiple dapper c#
string sql = "SELECT * FROM Invoice WHERE InvoiceID = @InvoiceID; SELECT * FROM InvoiceItem WHERE InvoiceID = @InvoiceID;";
using (var connection = My.ConnectionFactory())
{
connection.Open();
using (var multi = connection.QueryMultiple(sql, new {InvoiceID = 1}))
{
var invoice = multi.Read<Invoice>().First();
var invoiceItems = multi.Read<InvoiceItem>().ToList();
}
}