dotConnect for SQL Server Documentation
Devart.Data.SqlServer Namespace / SqlDataReader Class / GetGuid Method / GetGuid(Int32) Method
Example

In This Topic
    GetGuid(Int32) Method
    In This Topic
    Gets the value of the specified column as a globally-unique identifier (GUID).
    Syntax
    'Declaration
     
    Public Overloads Overrides Function GetGuid( _
       ByVal i As Integer _
    ) As Guid
    public override Guid GetGuid( 
       int i
    )

    Parameters

    i

    Return Value

    The value of the specified column.
    Example
    static void GetMyGuid(SqlConnection myConnection) {
      SqlCommand cmd = new SqlCommand("SELECT * FROM Test.AllTypes");
      cmd.Connection = myConnection;
      myConnection.Open();
      try {
        SqlDataReader reader = cmd.ExecuteReader();
        reader.Read();
        Guid recievedGuid = reader.GetGuid(reader.GetOrdinal("GuidCol"));
        reader.Close();
      }
      finally {
        myConnection.Close();
      }
    }
    Shared Sub GetMyGuid(ByVal myConnection As SqlConnection)
      Dim cmd As New SqlCommand("SELECT * FROM Test.AllTypes")
      cmd.Connection = myConnection
      myConnection.Open()
      Try
        Dim reader As SqlDataReader = cmd.ExecuteReader
        reader.Read()
        Dim recievedGuid As Guid = reader.GetGuid(reader.GetOrdinal("GuidCol"))
        reader.Close()
      Finally
        myConnection.Close()
      End Try
    End Sub
    Requirements

    Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

    See Also