摘要: Multicast delegate of type Func (with return value)? Is it working as intended? It's working as specified, at least. Whether that's what you intended 阅读全文
posted @ 2021-02-08 18:05 ChuckLu 阅读(81) 评论(0) 推荐(0)
摘要: What are good ways to prevent SQL injection? [duplicate] How can I add user-supplied input to an SQL statement? Use parameterized SQL. Examples (These 阅读全文
posted @ 2021-02-08 14:29 ChuckLu 阅读(61) 评论(0) 推荐(0)
摘要: SqlCommand.Prepare Method Remarks If CommandType is set to StoredProcedure, the call to Prepare should succeed, although it may cause a no-op. Before 阅读全文
posted @ 2021-02-08 14:14 ChuckLu 阅读(175) 评论(0) 推荐(0)
摘要: SqlCommand.Prepare method requires all variable length parameters to have an explicitly set non-zero Size You can should add your parameter like this 阅读全文
posted @ 2021-02-08 14:07 ChuckLu 阅读(320) 评论(0) 推荐(0)
摘要: Make a Dictionary method argument default to an empty dictionary instead of null Is there some way to make the default Dictionary empty? Yes, use the 阅读全文
posted @ 2021-02-08 11:03 ChuckLu 阅读(101) 评论(0) 推荐(0)