Dapper 如何在 ADO.Net 中创建正确命令 class 的实例?
How does Dapper create an instance of the correct command class in ADO.Net?
Dapper 如何使用 DbConnection
实例创建特定 ADO.Net
驱动程序的 DbCommand
实例?
例如,如果我使用SAConnection
,Dapper
如何在查询数据时创建SACommand
的实例?
样本
using (iAnywhere.Data.SQLAnywhere.SAConnection connection =
DAL.ConnectionManager
.GetOpenPoolConnection<iAnywhere.Data.SQLAnywhere.SAConnection>())
{
connection.Execute("INSERT INTO Table1 (FallbackLanguageID, Guid)
VALUES (?, ?)", new { fallbackLanguageID, newLocalizationGroup });
}
每个特定的 DBConnection
实现一个 IDBConnection
interface, which has a CreateCommand
方法。 Dapper 只是这样称呼。
Dapper 如何使用 DbConnection
实例创建特定 ADO.Net
驱动程序的 DbCommand
实例?
例如,如果我使用SAConnection
,Dapper
如何在查询数据时创建SACommand
的实例?
样本
using (iAnywhere.Data.SQLAnywhere.SAConnection connection =
DAL.ConnectionManager
.GetOpenPoolConnection<iAnywhere.Data.SQLAnywhere.SAConnection>())
{
connection.Execute("INSERT INTO Table1 (FallbackLanguageID, Guid)
VALUES (?, ?)", new { fallbackLanguageID, newLocalizationGroup });
}
每个特定的 DBConnection
实现一个 IDBConnection
interface, which has a CreateCommand
方法。 Dapper 只是这样称呼。