如何获取最后插入的 id? [英] How to get last inserted id?

问题描述

我有这个代码:

string insertSql = 
    "INSERT INTO aspnet_GameProfiles(UserId,GameId) VALUES(@UserId, @GameId)";

using (SqlConnection myConnection = new SqlConnection(myConnectionString))
{
   myConnection.Open();

   SqlCommand myCommand = new SqlCommand(insertSql, myConnection);

   myCommand.Parameters.AddWithValue("@UserId", newUserId);
   myCommand.Parameters.AddWithValue("@GameId", newGameId);

   myCommand.ExecuteNonQuery();

   myConnection.Close();
}

当我插入此表时，我有一个名为 GamesProfileId 的 auto_increment int 主键列，我怎样才能获得最后插入的一个，以便我可以使用该 id 插入另一个表?

When I insert into this table, I have an auto_increment int primary key column called GamesProfileId, how can i get the last inserted one after this so I can use that id to insert into another table?

推荐答案

对于SQL Server 2005+，如果没有insert trigger，则将insert语句(全是一行，这里为了清晰起见)改成这个

For SQL Server 2005+, if there is no insert trigger, then change the insert statement (all one line, split for clarity here) to this

INSERT INTO aspnet_GameProfiles(UserId,GameId)
OUTPUT INSERTED.ID
VALUES(@UserId, @GameId)

对于 SQL Server 2000，或者如果有插入触发器:

For SQL Server 2000, or if there is an insert trigger:

INSERT INTO aspnet_GameProfiles(UserId,GameId) 
VALUES(@UserId, @GameId);
SELECT SCOPE_IDENTITY()

然后

 Int32 newId = (Int32) myCommand.ExecuteScalar();

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