Spread ASP.NET 14
FarPoint.Web.Spread Assembly / FarPoint.Web.Spread Namespace / SheetView Class / ExpandAll Method
True to expand; false to collapse

In This Topic
    ExpandAll Method
    In This Topic
    Expands or collapses all the levels of hierarchy
    Public Sub ExpandAll( _
       ByVal expand As Boolean _
    Dim instance As SheetView
    Dim expand As Boolean
    public void ExpandAll( 
       bool expand


    True to expand; false to collapse
    This example uses the ExpandAll method.
    FpSpread1.HierarchicalView = true;
    System.Data.DataSet ds = new System.Data.DataSet();
    System.Data.DataTable name;
    System.Data.DataTable city;
    name = ds.Tables.Add("Customers");
    name.Columns.AddRange(new System.Data.DataColumn[] { new System.Data.DataColumn("LastName", typeof(string)), new System.Data.DataColumn("FirstName", typeof(string)), new System.Data.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 System.Data.DataColumn[] { new System.Data.DataColumn("City", typeof(string)), new System.Data.DataColumn("Owner", typeof(Int32)), new System.Data.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.HierarchicalView = True
    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.DataSource = ds
    See Also