postgresql 如何在列数不固定时为NpgsqlCommand设置参数您需要将@vals替换为要插入的列值的数量，并且需要...
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Can I have two methods with the same name and same number of parameters like Ruby? can I query a struct (or class) to get a list of it's attributes and data types? Can I sell a game made using Visual Studio 2015 COMMUNITY Can i specify which sql index to use, in Linq - querry?
(var command = new NpgsqlCommand(@"SELECT * FROM data WHERE field_date=:param", Conn)) { var sqlParam = command.CreateParameter(); sqlParam.ParameterName = "param"; sqlParam.Value = "2008-1-1"; //sqlParam.DbType = DbType.Object; command.Parameters.Add(sqlParam); command.Execute...
Can I have two methods with the same name and same number of parameters like Ruby? can I query a struct (or class) to get a list of it's attributes and data types? Can I sell a game made using Visual Studio 2015 COMMUNITY Can i specify which sql index to use, in Linq - querry...