SqlCeDataReader.GetGuid Method
Note: This namespace, class, or member is supported only in version 1.1 of the .NET Framework.
Gets the value of the specified column as a globally unique identifier (GUID).
[Visual Basic] Public Overridable Function GetGuid( _ ByVal ordinal As Integer _ ) As Guid Implements IDataRecord.GetGuid [C#] public virtual Guid GetGuid(int ordinal ); [C++] public: virtual Guid GetGuid(int ordinal ); [JScript] public function GetGuid( ordinal : int) : Guid;
Parameters
- ordinal
The zero-based column ordinal.
Return Value
The value of the specified column.
Implements
Exceptions
| Exception Type | Condition |
|---|---|
| InvalidCastException | The specified cast is not valid. |
| SqlNullValueException | The value is null. |
| InvalidOperationException | The operation is not valid. The SqlCeDataReader may be positioned after the last row in the result set. |
Remarks
No conversions are performed; therefore, the data retrieved must already be a globally unique identifier.
Call IsDBNull to check for null values before calling this method.
Requirements
Platforms: .NET Compact Framework
.NET Framework Security:
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries From Partially Trusted Code
See Also
SqlCeDataReader Class | SqlCeDataReader Members | System.Data.SqlServerCe Namespace
Syntax based on .NET Framework version 1.1.
Documentation version 1.1.1.