The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.
IDataParameter::Direction Property
.NET Framework (current version)
Gets or sets a value indicating whether the parameter is input-only, output-only, bidirectional, or a stored procedure return value parameter.
Assembly: System.Data (in System.Data.dll)
property ParameterDirection Direction { ParameterDirection get(); void set(ParameterDirection value); }
Property Value
Type: System.Data::ParameterDirectionOne of the ParameterDirection values. The default is Input.
| Exception | Condition |
|---|---|
| ArgumentException | The property was not set to one of the valid ParameterDirection values. |
If the ParameterDirection is output, and execution of the associated SqlCommand does not return a value, the IDataParameter contains a null value.
After the last row from the last resultset is read, Output, InputOut, and ReturnValue parameters are updated.
The following example creates an instance of the implementing class, SqlParameter, and sets some of its properties.
.NET Framework
Available since 1.1
Available since 1.1
Show: