The cast to value type 'System.Decimal' failed because the materialized value is null. Either the result type's generic parameter or the query must use a nullable type. - 代码天地

The cast to value type 'System.Decimal' failed because the materialized value is null. Either the result type's generic parameter or the query must use a nullable type.

其他 2018-11-16 12:44:33 阅读次数: 0

NoSuchKey

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转载自www.cnblogs.com/firstcsharp/p/9968541.html

The cast to value type 'System.Decimal' failed because the materialized value is null. Either the result type's generic parameter or the query must use a nullable type.

The expected type was 'System.Int64' but the actual value was null.”

Optional int parameter 'pId' is present but cannot be translated into a null value due to being declared as a primitive type.

Optional int parameter 'id' is present but cannot be translated into a null value due to being declared as a primitive type.

[Vue warn]: Invalid prop: type check failed for prop “value“. Expected String, Number, got Null.

flutter Error: The parameter ‘key‘ can‘t have a value of ‘null‘ because of its type ‘Key‘

Unable to cast object of type 'System.Decimal' to type 'System.Array'.

Failed to convert from type [null] to type [int] for value 'null';

Attaching an entity of type 'xxx' failed because another entity of the same type already has the same primary key value

Invalid default value for prop "value": Props with type Object/Array must use a factory function to return the default value.

Value Type and Reference Type

Type of the default value for 'songs' prop must be a function

cannot be translated into a null value due to being declared as a primitive type. Consid

Invalid default value for prop "data": Props with type Object/Array must use a factory function to r

[Vue warn] : Props with type Object/Array must use a factory function to return the default value.

Props with type Object/Array must use a factory function to return the default value.

uniapp报错[Vue warn]: Invalid default value for prop “list“: Props with type Object/Array must use

Type handler was null on parameter mapping for property 'products'. It was either not specified and/

Rust generic type parameter and `impl Trait` parameter

Value cannot be null. (Parameter ‘connectionString‘)

Nullable object must have a value. System.InvalidOperationException: Nullable object must have a value.

Failed to convert property value of type ‘null‘ to required type ‘double‘ for property ‘balance‘

flink could not find implicit value for evidence parameter of type

could not find implicit value for evidence parameter of type TypeInformation[String]

List is a raw type. References to generic type List should be parameterized

Null value was assigned to a property of primitive type setter of

Trying to access array offset on value of type null

TypeError [ERR_INVALID_ARG_TYPE]: The "value" argument must not be of type numbe r. Received type nu

entity framework异常 The specified cast from a materialized 'System.Int32' type to the 'System.String' type is not valid

Oracle Cannot convert value of type [null] to required type [int] for property

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