2022-01-28 标签:NET6,报错,A,relational,store,configured,without,specifying,either,DbConnection,connection,string,use,MysqlContext,options,ConnectionString,版本,asp.net,core6.0

今天在将项目升级到asp.net core6.0后发现报错A relational store has been configured without specifying either the DbConnection or connection string to use.项目使用的数据库是My

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

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.

2020-07-05 标签:You,cannot,use,single,statement,control,flow,statements,CSHTML,pages,isLoggedIn,user,ldquo,rdquo,语句,cshtml,xxx,Hello,页面

今天在写cshtml页面报错：An error occurred during the compilation of a resource required to process this request. Please review the following specific err

2020-07-05 标签:Mysql,Column,status,clause,ambiguous,错误,解决,方法,join,查询,多表,报错,inner,left,表中,表名,解决办法,数据库

今天在用Mysql数据库查询的时候报错:Column 'status' in where clause is ambiguous。出现这个错误是因为用inner join或left join等多表关联查询时，两个或多个表中存在相同的字段却没有指明表名导致。解决办法也很简单

2020-06-17 标签:asp,net,c,使用,连接,excel,方法,provider,microsoft,jet,oledb,data,source,d,myexcel,xls,extended

Asp.Net(C#)使用oleDbConnection 连接Excel"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:/MyExcel.xls;Extended Properties= "Excel 8.0;HDR=Yes;IMEX=1"针对如果上连

2020-06-17 标签:asp,n,et,repeater,嵌套,中使,复选,详解,aspx,文件,顶层,id,rptchannel,runat,server,br,b,eval

.aspx文件中：' runat="server">' runat="server" />'>.aspx.cs文件中：#region Repeater嵌套的Repeater中使用复选框//★Repeater嵌套-经典运用★string sqlstr1, sqlstr2;sqlstr

2020-06-14 标签:C#,DataTable,数据,变更,动态,生成,SQL,语句,保存,数据库,ToString,RowColumnInfo,ColumnName,Type,string,Trim,dtStruct,ToLower,sbParamer

C# 根据DataTable的数据变更动态生成SQL语句保存到数据库public static DataTable GetDataTableInfo(string ConnectionString, string tablename){string sql = string.Format(@"sel

2020-06-07 标签:结巴,分词,The,type,initializer,JiebaNet,Segmenter,JiebaSegmenter,threw,exception,System,Configuration,ConfigurationManager,0.0,断点,报错,asp.net,core

今天在asp.net core项目中使用.net结巴分词报错:The type initializer for 'JiebaNet.Segmenter.JiebaSegmenter' threw an exception.断点发现,InnerException为:"Could not l