Spread Windows Forms 10.0 Product Documentation
SetRowExpandable Method
Example 


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
System.ArgumentOutOfRangeException 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"
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

SheetView Class
SheetView Members

User-Task Documentation

Working with Hierarchical Data Display

 

 


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