Spread Windows Forms 7.0 Product Documentation
GetChildRelation Method
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FarPoint.Win.Spread Assembly > FarPoint.Win.Spread.Model Namespace > DefaultSheetDataModel Class : GetChildRelation Method


index
Index of the child data relation

Glossary Item Box

Gets the name of the child data relation at the specified position.

Syntax

Visual Basic (Declaration) 
Public Function GetChildRelation( _
   ByVal index As Integer _
) As String
Visual Basic (Usage)Copy Code
Dim instance As DefaultSheetDataModel
Dim index As Integer
Dim value As String
 
value = instance.GetChildRelation(index)
C# 
public string GetChildRelation( 
   int index
)

Parameters

index
Index of the child data relation

Return Value

String containing the name of the child data relation

Example

This example illustrates the use of this member by returning the name of the child relation at the specified index. This example assumes the existence of two data tables with the appropriate relations established.
C#Copy Code
System.Data.DataSet ds = new System.Data.DataSet();
DataTable name; 
DataTable city; 
string s;
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"]); 
FarPoint.Win.Spread.Model.DefaultSheetDataModel dataModel = new FarPoint.Win.Spread.Model.DefaultSheetDataModel(5, 5);
fpSpread1.ActiveSheet.Models.Data = dataModel;
dataModel.DataSource = ds;
dataModel.DataMember = "Customers";
s = dataModel.GetChildRelation(0);
listBox1.Items.Add(s);
Visual BasicCopy Code
Dim dataModel As New FarPoint.Win.Spread.Model.DefaultSheetDataModel(5, 5)
Dim s As String
FpSpread1.ActiveSheet.Models.Data = dataModel
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"))
dataModel.DataSource = ds
dataModel.DataMember = "Customers"
s = dataModel.GetChildRelation(0)
ListBox1.Items.Add(s)

Requirements

Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8

See Also

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