Spread Windows Forms 11.0 Product Documentation
IsEmpty Method (DefaultSheetDataModel)
Example 


FarPoint.Win.Spread Assembly > FarPoint.Win.Spread.Model Namespace > DefaultSheetDataModel Class : IsEmpty Method
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());
See Also

Reference

DefaultSheetDataModel Class
DefaultSheetDataModel Members