Spread Windows Forms 11.0 Product Documentation
SetRowExpandable Method
Example 


FarPoint.Win.Spread Assembly > FarPoint.Win.Spread Namespace > SheetView Class : SetRowExpandable Method
Row index
Whether the row can be expanded to show a child view
Sets whether the row on this sheet can be expanded to show a child view in a hierarchical display.
Syntax
'Declaration
 
Public Sub SetRowExpandable( _
   ByVal row As Integer, _
   ByVal expandable As Boolean _
) 
'Usage
 
Dim instance As SheetView
Dim row As Integer
Dim expandable As Boolean
 
instance.SetRowExpandable(row, expandable)
public void SetRowExpandable( 
   int row,
   bool expandable
)

Parameters

row
Row index
expandable
Whether the row can be expanded to show a child view
Exceptions
ExceptionDescription
Specified row index is out of range; must be between 0 and the total number of rows
Example
This example illustrates the use of this member by returning whether the row can be expanded to show the child view.
DataSet ds = new System.Data.DataSet();
DataTable name; 
DataTable city; 
name = ds.Tables.Add("Customers"); 
name.Columns.AddRange(new DataColumn[] {new DataColumn("LastName", typeof(string)), new DataColumn("FirstName", typeof(string)),
new DataColumn("ID", typeof(Int32))}); 
name.Rows.Add(new object[] {"Fielding", "William", 0}); 
name.Rows.Add(new object[] {"Williams", "Arthur", 1}); 
name.Rows.Add(new object[] {"Zuchini", "Theodore", 2}); 
city = ds.Tables.Add("City/State"); 
city.Columns.AddRange(new DataColumn[] {new DataColumn("City", typeof(string)), new DataColumn("Owner", typeof(Int32)), new
DataColumn("State", typeof(string))}); 
city.Rows.Add(new object[] {"Atlanta", 0, "Georgia"}); 
city.Rows.Add(new object[] {"Boston", 1, "Mass."}); 
city.Rows.Add(new object[] {"Tampa", 2, "Fla."}); 
ds.Relations.Add("City/State", name.Columns["ID"], city.Columns["Owner"]);
fpSpread1.ActiveSheet.DataSource = ds;  
fpSpread1.ActiveSheet.DataMember = "Customers";
fpSpread1.ActiveSheet.SetColumnWidth(2, 150);
fpSpread1.ActiveSheet.SetRowExpandable(0, false);
label1.Text = fpSpread1.ActiveSheet.GetRowExpandable(0).ToString() + " - Row 0 cannot be expanded";
Dim ds As New System.Data.DataSet()
Dim name As DataTable
Dim city As DataTable
name = ds.Tables.Add("Customers")
name.Columns.AddRange(New DataColumn() {New DataColumn("LastName", Type.GetType("System.String")), New DataColumn("FirstName",
Type.GetType("System.String")), New DataColumn("ID", Type.GetType("System.Int32"))})
name.Rows.Add(New Object() {"Fielding", "William", 0})
name.Rows.Add(New Object() {"Williams", "Arthur", 1})
name.Rows.Add(New Object() {"Zuchini", "Theodore", 2})
city = ds.Tables.Add("City/State")
city.Columns.AddRange(New DataColumn() {New DataColumn("City", Type.GetType("System.String")), New DataColumn("Owner", Type.GetType("System.Int32")),
New DataColumn("State", Type.GetType("System.String"))})
city.Rows.Add(New Object() {"Atlanta", 0, "Georgia"})
city.Rows.Add(New Object() {"Boston", 1, "Mass."})
city.Rows.Add(New Object() {"Tampa", 2, "Fla."})
ds.Relations.Add("City/State", name.Columns("ID"), city.Columns("Owner"))
FpSpread1.ActiveSheet.DataSource = ds
FpSpread1.ActiveSheet.DataMember = "Customers"
FpSpread1.ActiveSheet.SetColumnWidth(2, 150)
FpSpread1.ActiveSheet.SetRowExpandable(0, False)
Label1.Text = FpSpread1.ActiveSheet.GetRowExpandable(0).ToString() & " - Row 0 cannot be expanded"
See Also

Reference

SheetView Class
SheetView Members

User-Task Documentation

Working with Hierarchical Data Display