属性的反射

属性的反射
((System.Web.UI.WebControls.WebParts.WebDisplayNameAttribute)(pty[i].GetCustomAttributes(true)[0])).DisplayName + "(" + pty[i].Name + "):"       //实现反射的代码

 PropertyInfo[] pty = tp.GetProperties();//获得对象所有属性列表


表示层代码

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

/**//// <summary>
/// MCategory 的摘要说明
/// </summary>
[Serializable] 
public  sealed class MCategory
{
    private fields(Total number 2)#region private fields(Total number 2)

    private int _categoryid = -1;  
    private string _categoryname;
    private string _categoryColor;

    #endregion

    public properties#region public properties
    /**//// <summary>
    /// 类型编号，只读
    /// </summary>
    [WebDisplayName("类型编号")]
    public int CategoryID
    {
        get { return _categoryid; }
    }

    /**//// <summary>
    /// 类别名称
    /// </summary>
    [WebDisplayName("类别名称")]
    public string CategoryName
    {
        get { return _categoryname; }
        set { _categoryname = value; }
    }

    /**//// <summary>
    /// 类别颜色
    /// </summary>
    [WebDisplayName("类别颜色")]
    public string CategoryColor
    {
        get { return _categoryColor; }
        set { _categoryColor = value; }
    }
    #endregion

    public MCategory()
    {
        //
        // TODO: 在此处添加构造函数逻辑
        //
    }
    /**//// <summary>
    /// Total field number 2
    /// </summary>
    public MCategory(int _categoryid, string _categoryname, string _categorycolor)
    {
        this._categoryid = _categoryid;
        this._categoryname = _categoryname;
        this._categoryColor = _categorycolor;
    }
}

aspx 页面 代码

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Threading;
using System.Drawing;
using System.Reflection;
using System.Data.SqlClient;
using System.Collections.Generic;


public partial class Base_Category : BaseWebPage
{
    /**//// <summary>
    /// 当前用户对象
    /// </summary>
    private MembershipUser mbUser;
    int lastErrorID = -1;

    protected void GVCateGory_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        try
        {
            List<MCategory> acc = new List<MCategory>();
            string strSQL = "select * from Law_Category where CategoryID = '" + this.GVCateGory.DataKeys[e.RowIndex].Value.ToString() + "'";
            SqlDataReader reader = SqlHelper.ExecuteReader(SqlHelper.ConnectionStringProfile, CommandType.Text, strSQL, null);
            if (reader.Read())
            {
                acc.Add(new MCategory(reader.GetInt32(0),
                    reader.GetString(1),
                    reader.GetString(2)));
            }

            if (acc.Count > 0)
            {
                Session["MCategory"] = acc[0];
            }
            MCategory mac = (MCategory)Session["MCategory"];
            opdetails = CompareMOject("CategoryID", mac, typeof(MCategory));

            CategoryInfo.DelLaw_Category(Int32.Parse(this.GVCateGory.DataKeys[e.RowIndex].Value.ToString()));

            HistoryInfo.AddLaw_History(new MHistory(-1, Convert.ToInt32(this.GVCateGory.DataKeys[e.RowIndex].Value.ToString()), "企业类型", opdetails, User.Identity.Name, "1.0", true, HistoryInfo.BaseTabelNum.Law_Category.ToString(), DateTime.Now, "企业类型删除并记录变更历史"));

            AspNetPager1.RecordCount = CategoryInfo.GetCategoryCount();
            GVCateGory.DataSource = CategoryInfo.GetPagedLaw_Category(this.AspNetPager1.StartRecordIndex, this.AspNetPager1.PageSize);
            GVCateGory.DataBind();
        }
        catch (Exception ex)
        {
            LogInfo.AddLaw_Log(new MLog(Page.User.Identity.Name,
                              LogInfo.LogDoType.Delete,
                              DateTime.Now,
                              "数据删除失败!" + ex.Message,
                              Request.UserHostAddress,
                              Request.RawUrl,
                              false), ref lastErrorID);
            Session[User.Identity.Name] = lastErrorID;//保存最近的错误编号
            Response.Redirect("/_layouts/GSEGC/Errors.aspx");
        }
    }


    protected string CompareMOject(string id, Object first, Type tp)
    {
        try
        {
            PropertyInfo[] pty = tp.GetProperties();//获得对象所有属性列表
            for (int i = 0; i < pty.Length; i++)
            {
                opdetails += "<br/>&nbsp;&nbsp;&nbsp;" + ((System.Web.UI.WebControls.WebParts.WebDisplayNameAttribute)(pty[i].GetCustomAttributes(true)[0])).DisplayName + "(" + pty[i].Name + "):" + pty[i].GetValue(first, null).ToString();
            }
            if (opdetails.Length > 0)
                opdetails.Substring(4);//去掉首字母的<br/>
            return opdetails;
        }
        catch (Exception)
        {
            return "";
        }
    }

}