Visual Basic (Declaration) | |
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Public Overridable ReadOnly Property ChildRelationCount As Integer |
Visual Basic (Usage) | Copy Code |
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Dim instance As SheetView Dim value As Integer value = instance.ChildRelationCount |
C# | |
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public virtual int ChildRelationCount {get;} |
Property Value
Integer number of child relationsThis property is available at run time only.
This example illustrates the use of this member by returning the number of child relations in the hierarchical view.
C# | Copy Code |
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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); int i; i = fpSpread1.ActiveSheet.ChildRelationCount; listBox1.Items.Add(i.ToString()); |
Visual Basic | Copy Code |
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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) Dim i As Integer i = FpSpread1.ActiveSheet.ChildRelationCount() ListBox1.Items.Add(i.ToString()) |
Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8