DataParameterDirection Enum
Definition
Important
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Specifies the direction of a data parameter for a specified data command.
This enumeration supports a bitwise combination of its member values.
public enum class DataParameterDirection[System.Flags]
public enum DataParameterDirection[<System.Flags>]
type DataParameterDirection = Public Enum DataParameterDirection- Inheritance
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DataParameterDirection
- Attributes
Fields
| Name | Value | Description |
|---|---|---|
| Unknown | 0 | The parameter direction is unknown. This value may be used in derived parameters when a provider does not know how to return direction information. |
| In | 1 | The parameter can be passed into the command. |
| Out | 2 | The parameter can be read only from the command. After executing, the returned DataReader object instance must be closed before a parameter of this direction is read. |
| InOut | 3 | The parameter can be passed into the command and read from the command. After executing, the returned DataReader object instance must be closed before a parameter of this direction is read. |
| ReturnValue | 6 | The parameter is a return value from the command. After executing, the returned DataReader object instance must be closed before a parameter of this direction is read. |