Select(); Select("id>='3' and name='3--hello'");//支持and Select("id>='3' or id='1'");//支持or Select("name like '%hello%'");//支持like Select("id>5","id desc"); Select("id>5", "id des
本文转自:https://www.dotnetperls.com/datatable-select-vbnet VB.NET DataTable Select Function This VB.NET example program uses the DataTable type and its Select Function. Select searches for matching rows with a query. DataTable Select. A DataTable stores
dapper封装的扩展方法中,没有直接返回datatable的方法,项目中有些时候需要用到这样的返回格式,而为了项目数据框架的统一性, 不好直接用其他框架,如果直接将查询出来的泛型集合转datatable又会很繁琐,这里就是用dapper的ExecuteReader()方法,将返回的转换成datatable public Datatable table() { DataTable table = new DataTable("MyTable"); var reader = conn.E
(原文地址:http://xuzhihong1987.blog.163.com/blog/static/26731587201101853740294/) LINQ查询返回DataTable类型 在使用LINQ查询的时候,一般我们会返回List<T>或IList<T>类型,如下所示: 例1: public List<TSample> GetList() { using (BPDataContext db = newBPDataContext(TCTC_Connectio