摘要： // 一个自用的 SqlHelper 类 利用了刚学习到的 扩展方法 http://technet.microsoft.com/zh-cn/bb383977 /// /// The SqlHelper class is intended to encapsulate high performance, /// scalable best practices for common uses of SqlClient. /// public abstract class SqlHelper { //Database connection st... 阅读全文

摘要： //允许增加一个 checkbox 列 public class DgvBase : DataGridViewX { protected override void OnColumnAdded(DataGridViewColumnEventArgs e) { base.OnColumnAdded(e); //if (e.Column.ValueType == typeof(int) || e.Column.ValueType == typeof(long) || e.Column.ValueType == typ... 阅读全文