實體lis<T>t轉換datatable
阿新 • • 發佈：2019-01-05
public static DataTable ListToTable<T>(List<T> list) {
Type type = typeof(T);
PropertyInfo[] proInfo = type.GetProperties();
DataTable dt = new DataTable();
foreach (PropertyInfo p in proInfo) {
//型別存在Nullable<Type>時，需要進行以下處理，否則異常
Type t = p.PropertyType;
if (t.IsGenericType && t.GetGenericTypeDefinition() == typeof(Nullable<>))
t = t.GetGenericArguments()[0];
dt.Columns.Add(p.Name, t);
}
foreach (T t in list) {
DataRow dr = dt.NewRow();
foreach (PropertyInfo p in proInfo) {
object obj = p.GetValue(t);
if (obj == null) continue;
if (p.PropertyType == typeof(DateTime) && Convert.ToDateTime(obj) < Convert.ToDateTime("1753-01-01"))
continue;
dr[p.Name] = obj;
}
dt.Rows.Add(dr);
}
return dt;
}