C# 控件和实体相互映射 

  1  public sealed class WebControlsHelper
  2     {
  3         #region "控件赋值"
  4         /// <summary>
  5         /// 设置页面控件的值
  6         /// </summary>
  7         /// <param name="page"></param>
  8         /// <param name="model"></param>
  9         public static void SetWebControls<T>(Control page, T model) where T : class, new()
 10         {
 11             SetWebControls(page, GetModelToHashtable(model));
 12         }
 13         /// <summary>
 14         /// 实体类Model转Hashtable(反射)
 15         /// </summary>
 16         public static Hashtable GetModelToHashtable<T>(T model)
 17         {
 18             Hashtable ht = new Hashtable();
 19             PropertyInfo[] properties = model.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public);
 20             foreach (PropertyInfo item in properties)
 21             {
 22                 string key = item.Name;
 23                 ht[key] = item.GetValue(model, null);
 24             }
 25             return ht;
 26         }
 27         /// <summary>
 28         /// 设置页面控件的值
 29         /// </summary>
 30         /// <param name="page"></param>
 31         /// <param name="ht"></param>
 32         public static void SetWebControls(Control page, Hashtable ht)
 33         {
 34             if (ht.Count != 0)
 35             {
 36                 int size = ht.Keys.Count;
 37                 foreach (string key in ht.Keys)
 38                 {
 39                     object val = ht[key];
 40                     if (val != null)
 41                     {
 42                         Control control = page.FindControl(key);
 43                         Control hiddenCtr = page.FindControl("h" + key);
 44                         //var s = control.NamingContainer;
 45 
 46                         #region hidden input
 47                         if (hiddenCtr != null)
 48                         {
 49                             HtmlInputHidden hInput = (HtmlInputHidden)hiddenCtr;
 50                             if (hInput != null)
 51                             {
 52                                 hInput.Value = val.ToString().Trim();
 53                             }
 54                         }
 55                         #endregion
 56 
 57                         #region normal control
 58                         if (control == null) continue;
 59                         if (control is HtmlGenericControl)
 60                         {
 61                             HtmlGenericControl txt = (HtmlGenericControl)control;
 62                             txt.InnerHtml = val.ToString().Trim();
 63                         }
 64                         if (control is HtmlInputText)
 65                         {
 66                             HtmlInputText txt = (HtmlInputText)control;
 67                             txt.Value = val.ToString().Trim();
 68                         }
 69                         if (control is TextBox)
 70                         {
 71                             TextBox txt = (TextBox)control;
 72                             txt.Text = val.ToString().Trim();
 73                         }
 74                         if (control is HtmlSelect)
 75                         {
 76                             HtmlSelect txt = (HtmlSelect)control;
 77 
 78                             if (val.ToString().Trim().ToUpper() == "TRUE"
 79                                 || val.ToString().Trim().ToUpper() == "FALSE")
 80                             {
 81                                 txt.Value = ((val.ToString().Trim().ToUpper() == "TRUE") ? "1" : "0");
 82                             }
 83                             else
 84                             {
 85                                 txt.Value = val.ToString().Trim();
 86                             }
 87                         }
 88                         if (control is HtmlInputHidden)
 89                         {
 90                             HtmlInputHidden txt = (HtmlInputHidden)control;
 91                             txt.Value = val.ToString().Trim();
 92                         }
 93                         if (control is HtmlInputPassword)
 94                         {
 95                             HtmlInputPassword txt = (HtmlInputPassword)control;
 96                             txt.Value = val.ToString().Trim();
 97                         }
 98                         if (control is Label)
 99                         {
100                             Label txt = (Label)control;
101                             txt.Text = val.ToString().Trim();
102                         }
103                         if (control is HtmlInputCheckBox)
104                         {
105                             HtmlInputCheckBox chk = (HtmlInputCheckBox)control;
106                             chk.Checked = Convert.ToInt32(val) == 1 ? true : false;
107                         }
108                         if (control is HtmlTextArea)
109                         {
110                             HtmlTextArea area = (HtmlTextArea)control;
111                             area.Value = val.ToString().Trim();
112                         }
113                         if (control is DropDownList)
114                         {
115                             DropDownList drp = (DropDownList)control;
116                             drp.SelectedValue = val.ToString().Trim();
117                         }
118                         #endregion
119                     }
120                 }
121             }
122         }
123         #endregion
124         #region "控件获值"
125         /// <summary>
126         /// 获取服务器控件值
127         /// </summary>
128         /// <param name="page"></param>
129         /// <returns></returns>
130         public static Hashtable GetWebControls(Control page)
131         {
132             Hashtable ht = new Hashtable();
133             int size = HttpContext.Current.Request.Params.Count;
134             for (int i = 0; i < size; i++)
135             {
136                 string id = HttpContext.Current.Request.Params.GetKey(i);
137                 Control control = page.FindControl(id);
138                 if (control == null) continue;
139                 control = page.FindControl(id);
140                 if (control is HtmlInputText)
141                 {
142                     HtmlInputText txt = (HtmlInputText)control;
143                     ht[txt.ID] = txt.Value.Trim();
144                 }
145                 if (control is HtmlSelect)
146                 {
147                     HtmlSelect txt = (HtmlSelect)control;
148                     ht[txt.ID] = txt.Value.Trim();
149                 }
150                 if (control is HtmlInputHidden)
151                 {
152                     HtmlInputHidden txt = (HtmlInputHidden)control;
153                     ht[txt.ID] = txt.Value.Trim();
154                 }
155                 if (control is HtmlInputPassword)
156                 {
157                     HtmlInputPassword txt = (HtmlInputPassword)control;
158                     ht[txt.ID] = txt.Value.Trim();
159                 }
160                 if (control is HtmlInputCheckBox)
161                 {
162                     HtmlInputCheckBox chk = (HtmlInputCheckBox)control;
163                     ht[chk.ID] = chk.Checked ? 1 : 0;
164                 }
165                 if (control is HtmlTextArea)
166                 {
167                     HtmlTextArea area = (HtmlTextArea)control;
168                     ht[area.ID] = area.Value.Trim();
169                 }
170             }
171             return ht;
172         }
173         #endregion
174     }

 

posted @ 2022-03-24 16:06  夕阳炒饭的颜色  阅读(120)  评论(0)  编辑  收藏  举报