先生我正在做网格视图的代码，但它显示错误

Question

先生在这个控制器这个控制器是它显示错误，请检查下面的代码。

public class HomeController : Controller 
{ 
    [HttpGet] 
    public ActionResult Index() 
    { 
     ProductDetailModel obj = new ProductDetailModel(); 
     obj.ProductList = ProductData(""); 
     return View(obj); 
    } 

    [HttpPost] 
    public ActionResult SearchResult(string SearchKey) 
    { 
     ProductDetailModel obj = new ProductDetailModel(); 
     obj.ProductList = ProductData(SearchKey); 
     string strTable = ""; 
     strTable = strTable + "< table>< thead>< tr>< th>Id</ th ><th>Product_Name</ th >"; 
     strTable = strTable + "<th>Product_Detail</ th ><th>price</th></ tr></ thead>< tbody>"; 


     foreach (var item in obj.ProductList) 
     { 
      strTable = strTable + "<tr>"; 
      strTable = strTable + "<td>" + item.Id + "</ td >"; 
      strTable = strTable + "<td>" + item.Product_Name + "</ td >"; 
      strTable = strTable + "<td>" + item.Product_Detail + "</ td >"; 
      strTable = strTable + "< td>" + item.price + "</ td >"; 
      strTable = strTable + "</ tr >"; 
     } 
     strTable = strTable + "</ tbody ></ table >"; 
     return View(strTable); 
    } 

    public List<product> ProductData(string SearchKey) 
    { 
     List<product> objProduct = new List<product>(); 
     gridEntities objDemoEntities = new gridEntities(); 
     var productItem = from data in objDemoEntities.grids 
          where SearchKey == "" ? true : data.Product_Details.Contains(SearchKey) 
          select data; 

      foreach (var item in productData) 
      { 
       objProduct.Add(new product 
       { 
        Id = item.Id, 
        Product_Name = item.Product_Name, 
        Product_Detail = item.Product_Details, 
        price = (int)item.price 
       }); 
      } 
      return objProduct; 
     } 

爵士这是错误 错误1 FOREACH不能在“方法组”操作。你打算调用'方法组'吗？ C：\ Users \ anand.kumar \ Documents \ Visual Studio 2013 \ Projects \ grid01 \ grid01 \ Controllers \ HomeController.cs 58 17 grid01 错误2 foreach语句无法对'method group'类型的变量进行操作，因为'method group'会不包含'GetEnumerator'的公共定义C：\ Users \ anand.kumar \ Documents \ Visual Studio 2013 \ Projects \ grid01 \ grid01 \ Controllers \ HomeController.cs 58 17 grid01

Answer 1

更改您的每个如下：

foreach (var item in productItem) 
{ 
    //code 
}