zoukankan      html  css  js  c++  java
  • Linq to DataTable

    public static System.Data.DataTable LinqToDataTable<T>(IEnumerable<T> data)
    {
    var dt = new System.Data.DataTable();
    var ps = typeof(T).GetProperties().ToList();
    ps.ForEach(p => dt.Columns.Add(p.Name, p.PropertyType));
    
    foreach (T t in data)
    {
    var dr = dt.NewRow();
    var vs = from p in ps select p.GetValue(t, null);
    var ls = vs.ToList();
    int i = 0;
    ls.ForEach(c => dr[i++] = c);
    dt.Rows.Add(dr);
    }
    return dt;
    }
    
    public static System.Data.DataTable ToDataTable<T>(IEnumerable<T> data)
    {
    var dt = new System.Data.DataTable();
    var ps= System.ComponentModel.TypeDescriptor.GetProperties(typeof(T));
    foreach (System.ComponentModel.PropertyDescriptor dp in ps )
    dt.Columns.Add(dp.Name, dp.PropertyType);
    foreach (T t in data)
    {
    var dr = dt.NewRow();
    foreach (System.ComponentModel.PropertyDescriptor dp in ps)
    dr[dp.Name] = dp.GetValue(t);
    dt.Rows.Add(dr);
    }
    return dt;
    }
    

      

  • 相关阅读:
    Python之sys & os
    1161
    1142
    P1599 货币
    P1547逆转,然后再见
    P1629八
    P1753HackSon的趣味题
    Problem 2233 ~APTX4869
    1269
    1091. Tmutarakan Exams
  • 原文地址:https://www.cnblogs.com/volts0302/p/5197151.html
Copyright © 2011-2022 走看看