Spread Windows Forms 13.0 Product Documentation
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
Example


In This Topic
    SetRowExpandable Method
    In This Topic
    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