"The left-hand side of an assignment must be a variable, property or indexer". Help? "The remote server returned an error: (401) Unauthorized" "Typewriter" like effect in a C# Console application? "Unable to cast object of type 'System.Configuration.DefaultSection' to type blah blah ((...
“Unable to cast COM object of type 'shell32'”这个错误通常指的是在尝试将一个COM对象(在这种情况下是Shell32对象)转换为不兼容的接口或类型时发生了问题。下面是对这个错误的详细解释、可能的原因、一般解决步骤、特定解决方案以及安全和稳定性考量。 1. 错误含义 这个错误意味着你尝试将一个Shell32 COM对象...
今天在使用EntityFrameworkCore 查询的时候在调试的时候总是提示如下错误:Unable to cast object of type 'System.Data.SqlTypes.SqlString' to type 'System.Data.SqlTypes.SqlGuid'第一次看这个报错肯定是数据库实体和EFCore中定义的某种类型不匹配从而导致类型转换错误,但是业务涉及到这么多的实体Entity,那么到底是哪...
报错信息:Unable to cast object of type 'System.Int32' to type 'System.String' 解决方案:其实就是在定义Model的时候的字段数据类型与数据库定义的数据类型不匹配,改成跟数据库的一样即可!
Unable to cast COM object of type 'Microsoft.Office.Interop.PowerPoint.ApplicationClass' to interface type 'Microsoft.Office.Interop.PowerPoint._Application Unable To Change Platform From Any CPU to X86 Unable to connect to any of the specified MySQL hosts Unable to copy file "obj\Debug\MyProject...
Exception object: 0ded29fc Exception type: System.InvalidCastException Message: Unable to cast COM object of type 'System.__ComObject' to interface type 'Microsoft.VisualStudio.OLE.Interop.IServiceProvider'. This operation failed because the ...
Unable to cast COM object of type 'Microsoft.Office.Interop.Outlook.ApplicationClass' to interface type 'Microsoft.Office.Interop.Outlook._Application'. This operation failed because the QueryInterface call on the COM component for...
Exception type: System.InvalidCastException Message: Unable to cast COM object of type 'System.__ComObject' to interface type 'Microsoft.VisualStudio.OLE.Interop.IServiceProvider'. This operation failed because the QueryInterface call on the COM component for the interface with I...
GlobalExceptionFilter:{\"ClassName\":\"System.InvalidCastException\",\"Message\":\"Unable to castobjectof type'SqlSugar.MySqlQueryable`1[<>f__AnonymousType372`2[System.String,System.String]]'to type 'SqlSugar.ISugarQueryable`1[<>f__AnonymousType372`2[System.String,System.String]] ...
How to solve “Unable to cast COM object of type Microsoft.Office.Interop.Excel.ApplicationClass' to interface type 'Microsoft.Office.Interop.Excel._Application'”项目 2012/04/20 Recently I was working on a proble...