"IEnumerable<T>'requires '1' type arguments" error "Member names cannot be the same as their enclosing type." "MS Paint" source code is required please "No mapping exists from object type System.Collections.Generic.List "No Overload for method takes 2 arguments" "Object is currently in us...
an attribute argument must be a constant expression An error occurred when trying to create a controller of type 'XXXController'. Make sure that the controller has a parameterless public constructor An error occurred while communicating with the remote host. The error code is 0x80070057. An error...
类名改成别的，就可以了，你newArrayList()系统会认为你在new当前类，而你写的当前类并没有实现List接口
e.Error_TypeArgumentsCannotBeUsed(ec.Report, loc,null,0);returne; } }/// Stage 2: Lookup members//intarity = HasTypeArguments ? Arity :-1;// TypeSpec almost_matched_type = null;// IList<MemberSpec> almost_matched = null;for(TypeSpec lookup_ds = ec.CurrentType; lookup...
You have used a type character, such as $, when explicitly specifying a type.Error ID: BC30302To correct this errorRemove the type character or remove the As <Type> clause from the declaration.See AlsoConceptsType CharactersImplicit and Explicit DeclarationEnglish...
'<typename>' is a generic type and requires type arguments '<typename>' is a namespace and cannot be used as an expression '<typename>' is a structure type and cannot be used as an expression '<typename>' is a type and cannot be used as an expression '<typename>' is a type in ...
'<typename>' is a generic type and requires type arguments '<typename>' is a namespace and cannot be used as an expression '<typename>' is a structure type and cannot be used as an expression '<typename>' is a type and cannot be used as an expression '<typename>' is a type in ...
CS0718 –‘{0}’: static types cannot be used as type arguments Reason for the Error & Solution ‘type’: static types cannot be used as type arguments Because a static type cannot be instantiated, it cannot be used as a generic argument. To resolve this error, remove the static type ...
'<typename>' is a generic type and requires type arguments '<typename>' is a namespace and cannot be used as an expression '<typename>' is a structure type and cannot be used as an expression '<typename>' is a type and cannot be used as an expression '<typename>' is a type in ...
The type of the property a is "hello", not the value (well, the value is too). It's a property that can only accept the string literal "hello", but it can not accept the string "". It's more common used with union types, e.g. "a" | "b". Meaning it can only be the st...