2022-02-14 标签:InvalidOperationException,升级NET6.0,The view Index found,视图,asp.net,core2.1,Microsoft,AspNetCore,Razor,Design

今天将asp.net core2.1升级到NET6.0后报错:InvalidOperationException: The view 'Index' was not found.如图:大概意思就是Index视图没有找到导致出错,仔细看了,视图是有的.网上找了很多方法都没有用.最后折腾半天,发现之前升

2020-06-19 标签:EF,MySQL,报错,处理,请求,发生,异常,classid,类型,外键,实体,category,主键,types,properties,key

The types of the properties specified for the foreign key {'id'} on entity type do not match the types of the properties in the principal key {'id'} on entity type .InvalidOperationException：为实体类型'e_down'上的外键{'classid'}指定的属性类型与实体类型'e_category'上的主键{'classid'}中指定的

2020-05-27 标签:asp,net,core,unable,resolve,service,type,attempting,activate,automapper,mapper,解决办法,看看,引用,依赖,是否,添加

InvalidOperationExceptionUnable to resolve service for type 'AutoMapper.Mapper' while attempting to activate解决办法:1.看看引用依赖项是否已经添加2.在Startup.cs找到Configu

2020-04-08 标签:python,文件,操作,技巧,file,operation,实例,代码,分析,常用,module,os,path,shutil,引入,遍历,文件夹,和文

常用的module是 os ,os.path 和shutil,所以要先引入他们. python遍历文件夹和文件 这个也许是最常用的功能,如下: 实现代码如下：import osimport os.pathrootdir = "D:\\programmer\\training"for parent,

2020-03-09 标签:关于,tensorflow,使用,cpu,报错,解决,方式,如下,所示,简单明了,希望,帮助,到你,operation,explicitly,assigned,device,gpu,available

如下所示，简单明了，希望能帮助到你解决：Operation was explicitly assigned to /device:GPU:0 but available devices are [ /job:localhost/replica:0/task:0/cpu:0 ].tf.app.Flag