DB2DataReader.Close 方法

語法

[Visual Basic]
Public Sub Close()
[C#]
public void Close();
[C++]
public: void Close();
[JScript]
public function Close();

備註

當您完成使用 DB2®DataReader 或 DB2結果集 時，必須明確呼叫 關閉 方法，以將相關聯的 DB2指令 用於任何其他用途。

範例

[Visual Basic ， C#] 下列範例會建立 DB2連線 、 DB2指令 及 DB2DataReader 。 此範例會透過資料讀取，並將資料寫出至主控台。 最後，此範例會關閉 DB2DataReader，然後關閉 DB2Connection。

[Visual Basic]
Public Sub ReadMyData(myConnString As String)
    Dim mySelectQuery As String = "SELECT ID, NAME FROM STAFF"
    Dim myConnection As New DB2Connection(myConnString)
    Dim myCommand As New DB2Command(mySelectQuery, myConnection)
    myConnection.Open()
    Dim myReader As DB2DataReader
    myReader = myCommand.ExecuteReader()
    ' Always call Read before accessing data.
    While myReader.Read()
        Console.WriteLine(myReader.GetInt16(0).ToString() + ", " _
           + myReader.GetString(1))
    End While
    ' always call Close when done reading.
    myReader.Close()
    ' Close the connection when done with it.
    myConnection.Close()
End Sub

[C#]
public void ReadMyData(string myConnString)
{
   string mySelectQuery = "SELECT ID, NAME FROM STAFF";
   DB2Connection myConnection = new DB2Connection(myConnString);
   DB2Command myCommand = new DB2Command(mySelectQuery,myConnection);
   myConnection.Open();
   DB2DataReader myReader;
   myReader = myCommand.ExecuteReader();
   // Always call Read before accessing data.
   while (myReader.Read()) {
      Console.WriteLine(myReader.GetInt16(0) + ", " + myReader.GetString(1));
   }
   // always call Close when done reading.
   myReader.Close();
   // Close the connection when done with it.
   myConnection.Close();
}