ObjectParameter Constructor (String, Type)


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Initializes a new instance of the ObjectParameter class with the specified name and type.

Namespace:   System.Data.Objects
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

public ObjectParameter(
	string name,
	Type type


Type: System.String

The parameter name. This name should not include the "@" parameter marker that is used in the Entity SQL statements, only the actual name. The first character of the expression must be a letter. Any successive characters in the expression must be either letters, numbers, or an underscore (_) character.

Type: System.Type

The common language runtime (CLR) type of the parameter.

Exception Condition

If the value of either argument is null.


If the value of the name argument is invalid. Parameter names must start with a letter and can only contain letters, numbers, and underscores.

When instantiated, the parameter name cannot be changed. The parameter value can be set or changed through the Value property. After the query has been compiled, the value cannot be changed. For more information, see Query Builder Methods.

.NET Framework
Available since 3.5
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