DB2ParameterCollection.Count 属性

语法

[Visual Basic]
Public ReadOnly Property Count As Integer
[C#]
public int Count {get;}
[C++]
public: __property int get_Count();
[JScript]
public function get Count() : int;

属性值

集合中的 DB2®参数 对象数。

示例

[Visual Basic ， C#] 以下示例创建 DB2ParameterCollection ，将 DB2参数 的实例添加到集合，显示 DB2Parameter 对象的名称，然后清除集合。

[Visual Basic]
Public Sub CreateDB2ParamColl(myCommand As DB2Command)
    Dim myParamCollection As DB2ParameterCollection = myCommand.Parameters
    myParamCollection.Add("EMPNO", DB2Type.Char)
    myParamCollection.Add("PHOTO_FORMAT", DB2Type.VarChar)
    myParamCollection.Add("PICTURE", DB2Type.Blob)
    Dim myParamNames As String = ""
    Dim i As Integer
    For i = 0 To myParamCollection.Count - 1
        myParamNames += myParamCollection(i).ToString() + ControlChars.Cr
    Next i
    MessageBox.Show(myParamNames)
    myParamCollection.Clear()
End Sub 'CreateDB2ParamColl

[C#]
public void CreateDB2ParamColl(DB2Command myCommand) {
    DB2ParameterCollection myParamCollection = myCommand.Parameters;
    myParamCollection.Add("EMPNO", DB2Type.Char);
    myParamCollection.Add("PHOTO_FORMAT", DB2Type.VarChar);
    myParamCollection.Add("PICTURE", DB2Type.Blob);
    string myParamNames = "";
    for (int i=0; i < myParamCollection.Count; i++)
       myParamNames += myParamCollection[i].ToString() + "\n";
    MessageBox.Show(myParamNames);
    myParamCollection.Clear();
 }