少有人走的路今天勇哥有一段代码遇到这个需求，即把数据库表的实体类的属性名字与其值显示到UI上去。
在网上找到几个函数，解决了问题。
/// <summary>
/// 获取类中的属性值
/// </summary>
/// <param name="FieldName"></param>
/// <param name="obj"></param>
/// <returns></returns>
public string GetModelValue(string FieldName, object obj)
{
try
{
var Ts = obj.GetType();
object o = Ts.GetProperty(FieldName).GetValue(obj, null);
string Value = Convert.ToString(o);
if (string.IsNullOrEmpty(Value)) return null;
return Value;
}
catch
{
return null;
}
}
/// <summary>
/// 设置类中的属性值
/// </summary>
/// <param name="FieldName"></param>
/// <param name="Value"></param>
/// <param name="obj"></param>
/// <returns></returns>
public bool SetModelValue(string FieldName, string Value, object obj)
{
try
{
var Ts = obj.GetType();
object v = Convert.ChangeType(Value, Ts.GetProperty(FieldName).PropertyType);
Ts.GetProperty(FieldName).SetValue(obj, v, null);
return true;
}
catch
{
return false;
}
}下面再放上另一个程序，它还可以读到属性为List类型的值，这样的复杂情况。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
void FromatDitits<T>(T model)
{
var newType = model.GetType();
foreach (var item in newType.GetProperties())
{
var type = item.PropertyType.Name;
var IsGenericType = item.PropertyType.IsGenericType;
var list = item.PropertyType.GetInterface("IEnumerable", false);
//richTextBox1.AppendText($"属性名称：{item.Name}，类型：{type}，值：{item.GetValue(model)}");
if (IsGenericType && list != null)
{
var listVal = item.GetValue(model) as IEnumerable<object>;
if (listVal == null) continue;
foreach (var aa in listVal)
{
var dtype = aa.GetType();
foreach (var bb in dtype.GetProperties())
{
var dtlName = bb.Name.ToLower();
var dtlType = bb.PropertyType.Name;
var oldValue = bb.GetValue(aa);
if (dtlType == typeof(decimal).Name)
{
int dit = 4;
if (dtlName.Contains("price") || dtlName.Contains("amount"))
dit = 2;
bb.SetValue(aa, Math.Round(Convert.ToDecimal(oldValue), dit, MidpointRounding.AwayFromZero));
}
richTextBox1.AppendText(string.Format("子级属性名称：{0}，类型：{1}，值：{2}\r\n",
dtlName, dtlType, oldValue));
}
}
}
}
}
private void button1_Click(object sender, EventArgs e)
{
var model = new Product
{
Id = "222",
Name = "Test1",
Detail = new List<ProductDetail>
{
new ProductDetail{Id="111" ,DtlId="1",Number=12.3568M,Price=5.689M,Amount=70.2978352M},
new ProductDetail{Id="111",DtlId="2",Number=12.35M,Price=5.689M,Amount=70.2978352M},
new ProductDetail{Id="111",DtlId="3",Number=12.358M,Price=5.689M,Amount=70.304662M},
}
};
FromatDitits<Product>(model);
richTextBox1.AppendText("----------------------------\r\n");
foreach (var item in model.Detail)
{
richTextBox1.AppendText(string.Format("Number值为:{0}，Price值为：{1}，Amount值为：{2}\r\n"
,item.Number,item.Price,item.Amount));
}
}
}
class Product
{
public string Id { get; set; }
public string Name { get; set; }
public List<ProductDetail> Detail { get; set; }
public List<ProductComment> Comment { get; set; }
}
class ProductDetail
{
public string DtlId { get; set; }
public string Id { get; set; }
public decimal Number { get; set; }
public decimal Price { get; set; }
public decimal Amount { get; set; }
}
class ProductComment
{
public string DtlId { get; set; }
public string Id { get; set; }
public string Comment { get; set; }
}
}---------------------
作者：hackpig
来源：www.skcircle.com
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