摘要:
异常{ 无法将 匿名方法 转换为类型“System.Delegate”,因为它不是委托类型 } 委托实际上是把方法名作为参数,但是若有好多个方法时,就要指明是哪个参数 查看如下代码: this.Invoke(delegate { MessageBox.Show("t4"); ... 阅读全文
摘要:
I used to see my senior developers use WITH (NOLOCK) when querying in SQL Server and wonder why they use. Now i explored it and found that it's useful to improve the performance in executing the query... 阅读全文