Spread for ASP.NET 9.0 Product Documentation
SetRowExpandable Method
Example 


Row index
True if the row can be expanded; false otherwise
Sets whether the row on this sheet can be expanded to show the child view in the 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
True if the row can be expanded; false otherwise
Exceptions
ExceptionDescription
System.ArgumentOutOfRangeException Specified row is out of range; must be between 0 and the number of rows
Example
This example sets the first row of a hierarchy to not be expandable.
System.Data.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.DataSource = ds;
FpSpread1.ActiveSheetView.SetRowExpandable(0, false);
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.ActiveSheetView.DataSource = ds
FpSpread1.ActiveSheetView.SetRowExpandable(0, False)
Requirements

Target Platforms: Windows 7, Windows 8, Windows 10, Windows Vista, Windows Server 2003, Windows Server 2008, Windows Server 2012, Windows XP Professional

See Also

Reference

SheetView Class
SheetView Members
GetRowExpandable Method
IsRowExpanded Method

User-Task Documentation

Handling Row Expansion

 

 


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