PowerTools SPREAD for Windows Forms 10.0J
IsEmpty メソッド (DefaultSheetDataModel)


データモデルが空かどうかを判定します。
構文
public override bool IsEmpty()
'Declaration
 
Public Overrides Function IsEmpty() As Boolean
 
'使用法
 
Dim instance As DefaultSheetDataModel
Dim value As Boolean
 
value = instance.IsEmpty()

戻り値の型

Boolean:データ モデルにデータが含まれない場合は True、それ以外の場合は False
Dim dt As New DataTable("Testing")
Dim b As Boolean
dt.Columns.Add("Number")
dt.Columns.Add("Letter")
dt.Rows.Add(New Object() {"1", "One"})
dt.Rows.Add(New Object() {"2", "Two"})
Dim dataModel As New FarPoint.Win.Spread.Model.DefaultSheetDataModel(dt)
FpSpread1.ActiveSheet.Models.Data = dataModel
b = dataModel.IsEmpty()
ListBox1.Items.Add(b.ToString())
DataTable dt = new DataTable("Testing");
bool b;
dt.Columns.Add("Number");
dt.Columns.Add("Letter");
dt.Rows.Add(new Object[]{"1", "One"});
dt.Rows.Add(new Object[] {"2", "Two"});
FarPoint.Win.Spread.Model.DefaultSheetDataModel dataModel = new FarPoint.Win.Spread.Model.DefaultSheetDataModel(dt);
fpSpread1.ActiveSheet.Models.Data = dataModel;
b = dataModel.IsEmpty();
listBox1.Items.Add(b.ToString());
参照

DefaultSheetDataModel クラス
DefaultSheetDataModel メンバ

 

 


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