Asp.Net MVC Razor视图引擎与My97DatePicker插件的结合

 using System;
 using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 using System.Linq.Expressions;

 namespace System.Web.Mvc
 {
     /// <summary>
     /// Extended the HtmlHelper for Calendar
     /// </summary>
     public static class CalendarExtensions
     {
         private static string defaultFormat = "yyyy-MM-dd";

         /// <summary>
         /// 使用特定的名称生成控件
         /// </summary>
         /// <param name="helper">HtmlHelper对象</param>
         /// <param name="name">控件名称</param>
         /// <returns>Html文本</returns>
         public static MvcHtmlString Calendar(this HtmlHelper helper, string name)
         {
             return Calendar(helper, name, defaultFormat);
         }

         /// <summary>
         /// 使用特定的名称生成控件
         /// </summary>
         /// <param name="helper">HtmlHelper对象</param>
         /// <param name="name">控件名称</param>
         /// <param name="format">显示格式</param>
         /// <returns>Html文本</returns>
         public static MvcHtmlString Calendar(this HtmlHelper helper, string name, string format)
         {
             return GenerateHtml(name, null, format);
         }

         /// <summary>
         /// 使用特定的名称和初始值生成控件
         /// </summary>
         /// <param name="helper">HtmlHelper对象</param>
         /// <param name="name">控件名称</param>
         /// <param name="date">要显示的日期时间</param>
         /// <returns>Html文本</returns>
         public static MvcHtmlString Calendar(this HtmlHelper helper, string name, DateTime date)
         {
             return Calendar(helper, name, date, defaultFormat);
         }

         /// <summary>
         /// 使用特定的名称和初始值生成控件
         /// </summary>
         /// <param name="helper">HtmlHelper对象</param>
         /// <param name="name">控件名称</param>
         /// <param name="date">要显示的日期时间</param>
         /// <param name="format">显示格式</param>
         /// <returns>Html文本</returns>
         public static MvcHtmlString Calendar(this HtmlHelper helper, string name, DateTime date, string format)
         {
             return GenerateHtml(name, date, format);
         }

         /// <summary>
         /// 通过lambda表达式生成控件
         /// </summary>
         /// <param name="helper">HtmlHelper对象</param>
         /// <param name="expression">lambda表达式，指定要显示的属性及其所属对象</param>
         /// <returns>Html文本</returns>
         public static MvcHtmlString CalendarFor<TModel, TProperty>(this HtmlHelper<TModel> helper, Expression<Func<TModel, TProperty>> expression)
         {

             return CalendarFor(helper, expression, defaultFormat);
         }

         /// <summary>
         /// 通过lambda表达式生成控件
         /// </summary>
         /// <param name="helper">HtmlHelper对象</param>
         /// <param name="expression">lambda表达式，指定要显示的属性及其所属对象</param>
         /// <param name="format">显示格式</param>
         /// <returns>Html文本</returns>
         public static MvcHtmlString CalendarFor<TModel, TProperty>(this HtmlHelper<TModel> helper, Expression<Func<TModel, TProperty>> expression, string format)
         {
             string name = ExpressionHelper.GetExpressionText(expression);
             DateTime value;

             object data = ModelMetadata.FromLambdaExpression<TModel, TProperty>(expression, helper.ViewData).Model;
             if (data != null && DateTime.TryParse(data.ToString(), out value))
             {
                 return GenerateHtml(name, value, format);
             }
             else
             {
                 return GenerateHtml(name, null, format);
             }
         }

         /// <summary>
         /// 通过lambda表达式获取要显示的日期时间
         /// </summary>
         /// <param name="helper">HtmlHelper对象</param>
         /// <param name="expression">lambda表达式，指定要显示的属性及其所属对象</param>
         /// <param name="format">显示格式</param>
         /// <returns>Html文本</returns>
         public static MvcHtmlString CalendarDisplayFor<TModel, TProperty>(this HtmlHelper<TModel> helper, Expression<Func<TModel, TProperty>> expression, string format)
         {
             string name = ExpressionHelper.GetExpressionText(expression);
             DateTime value;
             string Htmlstr = "";
             object data = ModelMetadata.FromLambdaExpression<TModel, TProperty>(expression, helper.ViewData).Model;
             if (data != null && DateTime.TryParse(data.ToString(), out value))
             {
                 Htmlstr = value.ToString(format);
             }
             else
             {
                 Htmlstr = string.Empty;
             }
             return MvcHtmlString.Create(Htmlstr);
         }

         /// <summary>
         /// 通过lambda表达式获取要显示的日期时间
         /// </summary>
         /// <param name="helper">HtmlHelper对象</param>
         /// <param name="expression">lambda表达式，指定要显示的属性及其所属对象</param>
         /// <returns>Html文本</returns>
         public static MvcHtmlString CalendarDisplayFor<TModel, TProperty>(this HtmlHelper<TModel> helper, Expression<Func<TModel, TProperty>> expression)
         {
             return CalendarDisplayFor(helper, expression, defaultFormat);
         }

         /// <summary>
         /// 生成输入框的Html
         /// </summary>
         /// <param name="name">calendar的名称</param>
         /// <param name="date">calendar的值</param>
         /// <returns>html文本</returns>
         private static MvcHtmlString GenerateHtml(string name, DateTime? date, string format)
         {
             string Htmlstr = "";
             if (date != null)
             {
                 Htmlstr = "<input type=\"text\" id=\"" + name + "\" name=\"" + name + "\" onfocus=\"WdatePicker({dateFmt:'" + format + "'})\" class=\"Wdate\" value=\"" + date.Value.ToString(format) + "\" />";
             }
             else
             {
                 Htmlstr = "<input type=\"text\" id=\"" + name + "\" name=\"" + name + "\" onfocus=\"WdatePicker({dateFmt:'" + format + "'})\" class=\"Wdate\" value=\"\" />";
             }
             return MvcHtmlString.Create(Htmlstr);
         }
     }
 }

使用方法

<td class="ms-ri">出生日期:</td>
<td style="vertical-align: middle">
          @Html.CalendarFor(m => m.Birthday)
</td>

OK.结束