結(jié)果多結(jié)果

描述

QueryMultiple是一個擴展方法，可以從IDbConnection類型的任意對象中調(diào)用。它可以在同一命令中執(zhí)行多個查詢并映射結(jié)果。

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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();
    }
}