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一个简单的MVC实例及故障排除

Controller:

 1 public ActionResult Index() 2     { 3       string setting = "ApplicationServices"; 4       var connString = System.Web.Configuration.WebConfigurationManager.ConnectionStrings[setting]; 5       SqlConnection conn = new SqlConnection(connString.ConnectionString); 6       SqlCommand cmd; 7       SqlDataReader datar; 8       string str_sql = "select * from T_category;"; 9       conn.Open();10       cmd = new SqlCommand(str_sql, conn);11       datar = cmd.ExecuteReader();12       List<string> list_categoery = new List<string>();13       while (datar.Read())14       {15         list_categoery.Add(datar["category_name"].ToString());16       }17       conn.Close();18       ViewBag.Categories = list_categoery;19 20       str_sql = "select * from T_product;";21       conn.Open();22       cmd = new SqlCommand(str_sql, conn);23       datar = cmd.ExecuteReader();24       productModel pm = new productModel();25       while (datar.Read())26       {27         pm.product_name = datar["Product_name"].ToString();28         pm.product_description = datar["Product_description"].ToString();29         pm.product_image = datar["Product_image"].ToString();30         pm.product_document = datar["Product_document"].ToString();31       }32       conn.Close();33       return View(pm);34     }

 

View:

@model MvcApplication2.Models.productModel@{  Layout = null;}<div id="categories">          <ul>            @foreach (var cate in (ViewBag.Categories) as IEnumerable<string>)              {                <li>@cate</li>              }          </ul>        </div> <section id="isBIM_models">        <div>          <div id="Section_one">            <div id="One_product">              <div id="product_image">                <img src='/images/loading.gif' data-original="~/image/isBIM_product/@(Model.product_image).jpg"/>              </div>              <div id="product_description">                <p>简介:<br />@Model.product_description</p>              </div>              <div class="clearfix"></div>              <div id="product_source">                <a href="~/DLL/@(Model.product_name)_DLL_2015.dll">下载</a>                <input type="button" id="downloadbutton"/>                @*<a href="~/Home/download">Click to get file</a>*@                              </div>            </div>          </div>        </div>      </section>

 (view中只列出了绑定模型字段的部分)

 

Model:

 public class productModel  {    public productModel() { }    public int product_id { get; set; }    public string product_name { get; set; }    public string product_description { get; set; }    public string product_image { get; set; }    public string product_document { get; set; }  }


如果运行时遇到这样的报错:Microsoft.CSharp.RuntimeBinder.RuntimeBinderException

则在Assemblyinfo.cs中添加一句:

[assembly: InternalsVisibleTo("MvcApplication2.Controllers")]

 




原标题:一个简单的MVC实例及故障排除

关键词:mvc

mvc
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