.NET下UI控件和實體類的自動同步功能類

把過去做的一些小東西開始發出來。歡迎指正。

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;

using System.Reflection;
using System.Collections;

namespace WIZARD.Utils
{
    public class ObjectUISync
    {
        /// <summary>
        /// 邦定界面控件到業務對象
        /// </summary>
        /// <param name="p">界面控件容器</param>
        /// <param name="o">實體類</param>
        public static void Bind(Control p,object o)
        {
            Type type = o.GetType();
            PropertyInfo[] infos = type.GetProperties();

            Control nc = null;
            foreach (PropertyInfo info in infos)
            {
                string infoname = info.Name;
                nc = p.FindControl(infoname);
                if (nc == null)
                {
                    foreach (Control c in p.Controls)
                    {
                        nc = null;
                        if (!c.HasControls()) continue;
                        nc = c.FindControl(infoname);
                        if (nc != null) break;
                    }
                }
                if (nc != null)
                {
                    try
                    {
                        string v = null;
                        switch (nc.GetType().Name)
                        {
                            case "TextBox":
                                v = ((TextBox)nc).Text.ToString();
                                break;
                            case "Label":
                                v = ((Label)nc).Text.ToString();
                                break;
                            case "CheckBox":
                                v = ((CheckBox)nc).Checked.ToString();
                                break;
                            case "Radio":
                                v = ((CheckBox)nc).Checked.ToString();
                                break;
                            case "Image":
                                v = ((Image)nc).ImageUrl.ToString();
                                break;
                            case "DropDownList":
                                v = ((DropDownList)nc).SelectedValue;
                                
                                break;
                            case "LinkButton":
                                v = ((LinkButton)nc).Text;
                                break;
                            case "HyperLink":
                                v = ((HyperLink)nc).Text;
                                break;
                            case "RadioButtonList":
                                v = ((RadioButtonList)nc).SelectedValue;
                                break;
                            case "CheckBoxList":
                                ListItemCollection items = ((CheckBoxList)nc).Items;
                                foreach (ListItem item in items)
                                {
                                    if (v == null)
                                    {
                                        if (item.Selected) v = item.Value;
                                    }
                                    else
                                    {
                                        if (item.Selected) v += "," + item.Value;
                                    }
                                }
                                break;
                            case "ListBox":
                                v = ((RadioButtonList)nc).SelectedValue;
                                break;
                        }
                        info.SetValue(o, Convert.ChangeType(v, info.PropertyType), null);
                    }
                    catch (System.Exception) { }
                }
            }

        }

        /// <summary>
        /// 邦定業務對象到界面控件
        /// </summary>
        /// <param name="p">界面控件容器</param>
        /// <param name="o">實體類</param>
        public static void Show(Control p,object o)
        {
            Type type = o.GetType();
            PropertyInfo[] infos = type.GetProperties();

            for (int k = 0; k < infos.Length; k++)
            {
                PropertyInfo info = infos[k];
                Control nc = null;
                string infoname = info.Name;
                nc = p.FindControl(infoname);
                if (nc == null)
                {
                    foreach (Control c in p.Controls)
                    {
                        nc = null;
                        if (!c.HasControls()) continue;
                        nc = c.FindControl(infoname);
                        if (nc != null) break;
                    }
                }
                if (nc != null)
                {
                    try
                    {
                        object v = info.GetValue(o, null);
                        string typeName = "";
                        typeName = nc.GetType().Name;
                        switch (typeName)
                        {
                            case "TextBox":
                                ((TextBox)nc).Text = v.ToString();
                                break;
                            case "Label":
                                ((Label)nc).Text = v.ToString();
                                break;
                            case "CheckBox":
                                ((CheckBox)nc).Checked = bool.Parse(v.ToString());
                                break;
                            case "Radio":
                                ((CheckBox)nc).Checked = bool.Parse(v.ToString());
                                break;
                            case "Image":
                                ((Image)nc).ImageUrl = v.ToString();
                                break;
                            case "DropDownList":
                                ((DropDownList)nc).SelectedValue = v.ToString();
                                break;
                            case "LinkButton":
                                ((LinkButton)nc).Text = v.ToString();
                                break;
                            case "HyperLink":
                                ((HyperLink)nc).Text = v.ToString();
                                break;
                            case "RadioButtonList":
                                ((RadioButtonList)nc).SelectedValue = v.ToString();
                                break;
                            case "CheckBoxList":
                                string[] ps = v.ToString().Split(',');
                                ListItemCollection items = ((CheckBoxList)nc).Items;
                                //bool first = false;
                                foreach (string key in ps)
                                {
                                    ListItem item = null;
                                    item = items.FindByValue(key);
                                    if (item != null) item.Selected = true;

                                    //if(key == items[0].Value) first = true;
                                }
                                //items[0].Selected = first;
                                break;
                            case "ListBox":
                                ((RadioButtonList)nc).SelectedValue = v.ToString();
                                break;
                        }
                    }
                    catch (System.Exception) { }
                }
            }
        }
    }
}