DbParameter::Direction Property

 

Gets or sets a value that indicates whether the parameter is input-only, output-only, bidirectional, or a stored procedure return value parameter.

Namespace:   System.Data.Common
Assembly:  System.Data (in System.Data.dll)

public:
property ParameterDirection Direction {
	virtual ParameterDirection get() abstract;
	virtual void set(ParameterDirection value) abstract;
}

Property Value

Type: System.Data::ParameterDirection

One of the ParameterDirection values. The default is Input.

Exception Condition
ArgumentException

The property is not set to one of the valid ParameterDirection values.

If the ParameterDirection is output, and execution of the associated DbCommand does not return a value, the DbParameter contains a null value.

Output, InputOut, and ReturnValue parameters returned by calling ExecuteReader cannot be accessed until you call Close or Dispose on the DbDataReader.

Universal Windows Platform
Available since 10
.NET Framework
Available since 2.0
Return to top
Show: