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  • DataTable转List

    using System;
    using System.Collections.Generic;
    using System.Data;
    using System.Linq;
    using System.Reflection;
    using System.Text;
    
    namespace Utils
    {
        public class ModelConvertHelper<T> where T : new()
        {
            public static IList<T> ConvertToModel(DataTable dt)
            {
                // 定义集合    
                IList<T> ts = new List<T>();
    
                // 获得此模型的类型   
                Type type = typeof(T);
                string tempName = "";
    
                foreach (DataRow dr in dt.Rows)
                {
                    T t = new T();
                    // 获得此模型的公共属性      
                    PropertyInfo[] propertys = t.GetType().GetProperties();
                    foreach (PropertyInfo pi in propertys)
                    {
                        tempName = pi.Name;  // 检查DataTable是否包含此列    
    
                        if (dt.Columns.Contains(tempName.ToUpper()))
                        {
                            // 判断此属性是否有Setter      
                            if (!pi.CanWrite) continue;
    
                            object value = dr[tempName];
    
                            if (value != DBNull.Value)
                                try
                                {
                                    if (pi.PropertyType.ToString().Contains("System.Nullable"))
                                    {
                                        value = Convert.ChangeType(value, Nullable.GetUnderlyingType(pi.PropertyType));
                                    }
                                    else
                                    {
                                        value = Convert.ChangeType(value, pi.PropertyType);
                                    }
                                    pi.SetValue(t, value, null);
                                }
                                catch (Exception)
                                {
                                }
                        }
                    }
                    ts.Add(t);
                }
                return ts;
            }
        }
    }
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  • 原文地址:https://www.cnblogs.com/tangchun/p/11097388.html
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