无法将类型'System.Linq.IQueryable隐式转换为System.Data.Entity.DbSet

问题描述

我收到以下错误:

我有以下代码:

var reports = dbContext.Product;

if (searchField == "StoreNum")
{
    int storeNum;
    int? stnum = int.TryParse(searchString, out storeNum) ? storeNum : (int?)null;

    reports = dbContext.Product
        .Where(w => w.StoreNum == stnum); // error occurs here when I try to build
}

我不明白为什么收到此消息.

I cannot understand why I am getting this message.

推荐答案

 var reports = dbContext.Product.ToList();

        if (searchField == "StoreNum")
        {
            int storeNum;
            int? stnum = int.TryParse(searchString, out storeNum) ? storeNum : (int?)null;

           reports = reports
          .Where(w => w.StoreNum == stnum).AsQueryable(); // error occurs here when I try to build

        }

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