Direction Property

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 abstract ParameterDirection Direction { get; set; }

Property Value

Type: System.Data.ParameterDirection

One of the ParameterDirection values. The default is Input.

Exception Condition

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
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