MVC进阶学习--HtmlHelper之GridView控件拓展(四)

Code
 1  /// <summary>
 2         /// 添加表头行
 3         /// </summary>
 4         /// <typeparam name="T"></typeparam>
 5         /// <param name="helper"></param>
 6         /// <param name="writer"></param>
 7         /// <param name="columns"></param>
 8         /// <param name="option"></param>
 9         /// <returns></returns>
10         public static string RenderHeander<T>(this HtmlHelper helper, HtmlTextWriter writer, string[] columns, GridViewOption option)
11         {
12             writer.RenderBeginTag(HtmlTextWriterTag.Tr);
13             for (int i = 0; i < option.Headers.Length;i++ )
14             {
15                 writer.AddAttribute("id",columns[i]);
16                 writer.AddAttribute("name", columns[i]);
17                 writer.RenderBeginTag(HtmlTextWriterTag.Th);
18                 writer.Write(option.Headers[i]);
19                 writer.RenderEndTag();
20             }
21 
22             //如果有编辑或删除列，则要在原有列的基础上加一列
23             if (option.IsEidt || option.IsDelete)
24             {
25                 writer.RenderBeginTag(HtmlTextWriterTag.Th);
26                 writer.RenderEndTag();
27             }
28             writer.RenderEndTag();
29             return writer.InnerWriter.ToString();
30         }
31