![C# : The specified cast from a materialized 'System.Int32' type to the ' System.Double' type is not v - YouTube C# : The specified cast from a materialized 'System.Int32' type to the ' System.Double' type is not v - YouTube](https://i.ytimg.com/vi/oQlPHP5b8bY/maxresdefault.jpg)
C# : The specified cast from a materialized 'System.Int32' type to the ' System.Double' type is not v - YouTube
How to fix the error - Unable to cast object of type 'System.Int32' to type 'System.String' - Microsoft Q&A
![为什么我强制定义了$var的类型,结果我传了一个值,他还是能接收,并且类型不改变(Why did I force the type of $var, and as a result I passed a value that he could still receive, and the type did not change) - 为什么我强制定义了$var的类型,结果我传了一个值,他还是能接收,并且类型不改变(Why did I force the type of $var, and as a result I passed a value that he could still receive, and the type did not change) -](https://learn-attachment.microsoft.com/api/attachments/153035-%E5%B1%8F%E5%B9%95%E6%88%AA%E5%9B%BE-2021-11-27-185539.png?platform=QnA)
为什么我强制定义了$var的类型,结果我传了一个值,他还是能接收,并且类型不改变(Why did I force the type of $var, and as a result I passed a value that he could still receive, and the type did not change) -
![c# - Unexpected - Cannot compare elements of type 'System.Int32[]'. Only primitive types, enumeration types and entity types are supported - Stack Overflow c# - Unexpected - Cannot compare elements of type 'System.Int32[]'. Only primitive types, enumeration types and entity types are supported - Stack Overflow](https://i.stack.imgur.com/XJ9N5.png)
c# - Unexpected - Cannot compare elements of type 'System.Int32[]'. Only primitive types, enumeration types and entity types are supported - Stack Overflow
![c# - The ViewData item that has the key 'Catagory_id' is of type 'System. Int32' but must be of type 'IEnumerable<SelectListItem>' - Stack Overflow c# - The ViewData item that has the key 'Catagory_id' is of type 'System. Int32' but must be of type 'IEnumerable<SelectListItem>' - Stack Overflow](https://i.stack.imgur.com/1JagO.png)
c# - The ViewData item that has the key 'Catagory_id' is of type 'System. Int32' but must be of type 'IEnumerable<SelectListItem>' - Stack Overflow
![Error InvalidCastException Unable to cast object of type 'System.Int32' to type 'System.Int64'. - YouTube Error InvalidCastException Unable to cast object of type 'System.Int32' to type 'System.Int64'. - YouTube](https://i.ytimg.com/vi/H874YT8ozoU/maxresdefault.jpg)
Error InvalidCastException Unable to cast object of type 'System.Int32' to type 'System.Int64'. - YouTube
![Cannot perform '=' operation on System.String and System.Int32 - Activities - UiPath Community Forum Cannot perform '=' operation on System.String and System.Int32 - Activities - UiPath Community Forum](https://global.discourse-cdn.com/uipath/original/3X/c/7/c79cd3b6db818fe67e8b1a308120c25683adc363.png)
Cannot perform '=' operation on System.String and System.Int32 - Activities - UiPath Community Forum
![entity framework - Unable to cast the type 'System.Int32' to type 'System.Object during EF Code First Orderby Function - Stack Overflow entity framework - Unable to cast the type 'System.Int32' to type 'System.Object during EF Code First Orderby Function - Stack Overflow](https://i.stack.imgur.com/3v2rB.png)
entity framework - Unable to cast the type 'System.Int32' to type 'System.Object during EF Code First Orderby Function - Stack Overflow
Unable to cast object of type 'System.Int32' to type 'System.Int64'. · Issue #7558 · dotnet/efcore · GitHub
![Unable to cast object of type 'System.Int32' to type 'System.String'(无法将int类型识别成stirng类型) - El飞燕- 博客园 Unable to cast object of type 'System.Int32' to type 'System.String'(无法将int类型识别成stirng类型) - El飞燕- 博客园](https://img2022.cnblogs.com/blog/2507433/202207/2507433-20220728172313516-1467234790.png)
Unable to cast object of type 'System.Int32' to type 'System.String'(无法将int类型识别成stirng类型) - El飞燕- 博客园
![Cannot assign from type 'System.Object to type 'System.Int32' in Assign activity 'Assign - To swap Swapping Support_ Variable with Second Input Value - Studio - UiPath Community Forum Cannot assign from type 'System.Object to type 'System.Int32' in Assign activity 'Assign - To swap Swapping Support_ Variable with Second Input Value - Studio - UiPath Community Forum](https://global.discourse-cdn.com/uipath/original/4X/7/7/f/77fe73c134b44eb8f5776de12be2f31b8070e930.jpeg)