Spread Windows Forms 9.0 Product Documentation
IsEmpty Method (DefaultSheetDataModel)
Example 


Determines whether the data model is empty.
Syntax
'Declaration
 
Public Overrides Function IsEmpty() As Boolean
'Usage
 
Dim instance As DefaultSheetDataModel
Dim value As Boolean
 
value = instance.IsEmpty()
public override bool IsEmpty()

Return Value

Boolean: true if the no data in the data model; false otherwise
Example
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());
Requirements

Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows Server 2012 R2, Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10

See Also

Reference

DefaultSheetDataModel Class
DefaultSheetDataModel Members

 

 


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