在Dapper中有一个ExecuteScalar
看起来Dapper中有一个ExecuteScalar ……
http://code.google.com/p/dapper-dot-net/issues/attachmentText?id=22&aid=220000000&name=ExecuteScalar.cs&token=9e2fd8899022f507b140ffb883c60e34
是否重命名或删除了ExecuteScalar?
现在可以用.Query或.Query 来实现吗?
ExecuteScalar刚刚在1.28中添加: https : //www.nuget.org/packages/Dapper
我能够使用版本1.42.0调用ExecuteScalar
public Boolean BeforeToday(DateTime dateInQuestion) { try { using (var conn = new SqlConnection(ConnectionString)) { String sql = @"SELECT CONVERT(bit, CASE WHEN getdate() > @dateParameter THEN 1 ELSE 0 END) AS BeforeToday"; var result = conn.ExecuteScalar(sql, new { dateParameter = dateInQuestion }); return result; } } catch (Exception) { return dateInQuestion < DateTime.Now; } }
在版本1.50.4中,我能够调用connection.QuerySingle