2017年11月19日
事物回滚
摘要： BEGIN TRY BEGIN TRANSACTION INSERT INTO Stuinfo VALUES ('aa','22','11') UPDATE stuinfo SET stu='888' WHERE ID =0 COMMIT TRANSACTIONEND TRYBEGIN CATCH 阅读全文
posted @ 2017-11-19 19:11 嗯哼，还好 阅读(97) 评论(1) 推荐(0)
Httpclient
摘要： Uri uri = new Uri("http://localhost:54534/"); HttpClient client = new HttpClient(); client.BaseAddress = uri; client.DefaultRequestHeaders.Accept.Add( 阅读全文
posted @ 2017-11-19 19:04 嗯哼，还好 阅读(239) 评论(0) 推荐(0)
触发器小知识
摘要： CREATE TRIGGER tr_ChufaqiON Student FOR INSERT AS DECLARE @sid INT SELECT @sid =ID FROM insertedINSERT INTO Score VALUES (@sid,90)Go 阅读全文
posted @ 2017-11-19 18:59 嗯哼，还好 阅读(90) 评论(0) 推荐(0)