2023-12-28 标签:C#,EF,报错,Missing Colum Discriminator,On entity,WeighDatas,NotMapped,数据库,子类,winform,EntityFramework,Extensions,sqlserver,Z.EntityFramework.Extensions

C#winform开发时,使用Z.EntityFramework.Extensions进行批次更新插入到sqlserver数据库时,报错:An error occured while resolving mapping by name.Missing Colum : Discriminator On entity

2023-12-19 标签:edge控制台禁止粘贴,edge控制台不能复制代码,edge控制台不能粘贴,Warning,Do,paste,code,understand,checked,DevTools,console,allow,rsquo,pasting,edge控制台粘贴要不了,Self-XSS,edge控制台不让粘贴

一如往学的用Microsoft edge调试web页面,F12打开DevTools,刚要粘贴信息却不能正常粘贴,报错:Warning: Dont paste code into the DevTools Console that you dont understand or havent

2022-02-18 标签:linux修改sqlserver端口,sqlserver linux 2019,设置sqlserver linux端口,mssql-server,

sql server 2019 for linux 的默认端口为1433,今天突然想改端口.在ubuntu下用以前的老命令 sudo /opt/mssql/bin/mssql-conf set tcpport 报错设置tcpport不受支持The setting 'tcpport' isnot supported.

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

2022-01-28 标签:NET6,Could,load,type,Microsoft,EntityFrameworkCore,Query,assembly,dll,EntityFramework,EFCore,升级,报错,asp.net,core2.1,NET6.0,包都

今天将网站程序由asp.net core2.1升级到NET6.0后报错Could not load type 'Microsoft.EntityFrameworkCore.Query.RelationalQueryContextFactory' from assembly.看了大半天.所有包都是最新

2022-01-28 标签:ubuntu,asp.net core,appsettings.json,问题,dotnet,appSettings,Value cannot be null,Hangfire.MySql.MySqlStorage,ubuntu appSettings

今天在ubuntu发直接运行命令dotnet /var/www/down/Down.Web.dll发现报错Value cannot be null. (Parameter 'connectionString') at Hangfire.MySql.MySqlStorage等.起初还以为是配置有问题,

2022-01-23 标签:安装,sqlserver,linux,2019,报错,无法,打开,microsoft,asc,没有,文件,目录,SQL,Server,ubuntu,https,packages

安装sqlserver linux 2019报错无法打开 ‘microsoft.asc’: 没有那个文件或目录，Cannot open 'microsoft.asc': there is no such file or directory

2022-01-22 标签:C#,net,core,Keys,persisted,storage,存储,Using,repository,HKLM,应用程序,密钥,注册表,用户,修改,配置文件,memory,Neither

今天在查看网站日志的,看到警报:Using an in-memory repository. Keys will not be persisted to storage.Neither user profile nor HKLM registry available. Using an epheme

2021-05-19 标签:MySQL Workbench,MySQL,Workbench,错误,Target,host,configured,Windows,seems,different,OS,8.0,版本,重新安装,报错,Server,Status,could,acquire

今天升级MySQL Workbench后打开Server Status报错:could not acquire management access for administration Runtime Error: Target host is configured as Windows, but

2020-11-08 标签:C#,https,请求,出错,Could,establish,trust,relationship,SSL,TLS,secure,channel,证书,summary,static,certificate,信任

当我在用C#.NET命名空间下获取URL的时候，提示如下错误：The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.