Spread Windows Forms 6.0 Product Documentation
GetChildView Method
See Also  Example Support Options
FarPoint.Win.Spread Assembly > FarPoint.Win.Spread Namespace > SheetView Class : GetChildView Method


row
Row whose child sheet is to be created
relationIndex
Index to the data relation collection

Glossary Item Box

Creates the sheet (SheetView object) for the specified row and the specified relation index.

Syntax

Visual Basic (Declaration) 
Public Overridable Function GetChildView( _
   ByVal row As Integer, _
   ByVal relationIndex As Integer _
) As SheetView
Visual Basic (Usage)Copy Code
Dim instance As SheetView
Dim row As Integer
Dim relationIndex As Integer
Dim value As SheetView
 
value = instance.GetChildView(row, relationIndex)
C# 
public virtual SheetView GetChildView( 
   int row,
   int relationIndex
)

Parameters

row
Row whose child sheet is to be created
relationIndex
Index to the data relation collection

Return Value

SheetView object containing the child sheet

Exceptions

ExceptionDescription
System.Exception Specified sheet does not support a child sheet
System.ArgumentOutOfRangeException Specified row index is out of range; must be between 0 and the number of rows
System.ArgumentOutOfRangeException Specified relation index is out of range; must be between 0 and the number of relations

Example

This example gets the SheetView object for the specified row and the specified relation index.
C#Copy Code
System.Data.DataSet ds = new System.Data.DataSet();
DataTable fpnames ;
DataTable fpclass;
DataTable fpgrades;

fpnames = ds.Tables.Add("Students");
fpnames.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"))});
fpnames.Rows.Add(new Object[] {"Jane", "Mary", 0});
fpnames.Rows.Add(new Object[] {"Rodglet", "Jonnny", 1});
fpnames.Rows.Add(new Object[] {"Steris", "Pat", 2});

fpclass = ds.Tables.Add("Class");
fpclass.Columns.AddRange(new DataColumn[] {new DataColumn("Subject", Type.GetType("System.String")), new DataColumn("owner",
Type.GetType("System.Int32")), new DataColumn("owner-subject", Type.GetType("System.String"))});

//First Student
fpclass.Rows.Add(new Object[] {"Math", 0, "0-Math"});
fpclass.Rows.Add(new Object[] {"English", 0, "0-English"});
fpclass.Rows.Add(new Object[] {"History", 0, "0-History"});
fpclass.Rows.Add(new Object[] {"Music", 0, "0-Music"});
fpclass.Rows.Add(new Object[] {"Science", 0, "0-Science"});

//Second Student
fpclass.Rows.Add(new Object[] {"Math", 1, "1-Math"});
fpclass.Rows.Add(new Object[] {"English", 1, "1-English"});
fpclass.Rows.Add(new Object[] {"History", 1, "1-History"});
fpclass.Rows.Add(new Object[] {"Music", 1, "1-Music"});
fpclass.Rows.Add(new Object[] {"Science", 1, "1-Science"});

//Third Student
fpclass.Rows.Add(new Object[] {"Math", 2, "2-Math"});
fpclass.Rows.Add(new Object[] {"English", 2, "2-English"});
fpclass.Rows.Add(new Object[] {"History", 2, "2-History"});
fpclass.Rows.Add(new Object[] {"Music", 2, "2-Music"});
fpclass.Rows.Add(new Object[] {"Science", 2, "2-Science"});

fpgrades = ds.Tables.Add("Grades");
fpgrades.Columns.AddRange(new DataColumn[] {new DataColumn("Week 1", Type.GetType("System.String")), new DataColumn("Week
2", Type.GetType("System.String")), new DataColumn("Week 3", Type.GetType("System.String")), new DataColumn("Week 4", Type.GetType("System.String")),
new DataColumn("Week 5", Type.GetType("System.String")), new DataColumn("Week 6", Type.GetType("System.String")), new DataColumn("Week
7", Type.GetType("System.String")), new DataColumn("Subject", Type.GetType("System.String")), new DataColumn("owner-subject",
Type.GetType("System.String"))});
//First Student
fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "Math", "0-Math"});
fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "English", "0-English"});
fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "History", "0-History"});
fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "Music", "0-Music"});
fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "Science", "0-Science"});

fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "Math", "1-Math"});
fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "English", "1-English"});
fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "History", "1-History"});
fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "Music", "1-Music"});
fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "Science", "1-Science"});

fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "Math", "2-Math"});
fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "English", "2-English"});
fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "History", "2-History"});
fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "Music", "2-Music"});
fpgrades.Rows.Add(new Object[] {"76", "80", "85", "89", "90", "93", "99", "Science", "2-Science"});

//Set the relations
ds.Relations.Add("Class", fpnames.Columns["id"], fpclass.Columns["owner"]);
ds.Relations.Add("Grades", fpclass.Columns["owner-subject"], fpgrades.Columns["owner-subject"]);
fpSpread1.ActiveSheet.DataSource = ds;
fpSpread1.ActiveSheet.DataMember = "Students";
fpSpread1.ActiveSheet.SetColumnWidth(2, 150);
fpSpread1.ActiveSheet.ExpandRow(0, true);
DialogResult dlg;
dlg = MessageBox.Show("Do you want to find the child?", "FindChildView", MessageBoxButtons.YesNo);
if (dlg == DialogResult.Yes)
{
    FarPoint.Win.Spread.SheetView ss, ss1;
    ss = fpSpread1.Sheets[0].FindChildView(0, 0);
    if (ss != null)
    {
        ss1 = ss.GetChildView(1, 0);
        if (ss1 != null)
        {
            label1.Text = ss1.Cells[0, 0].Text + " - " + ss1.Cells[0, 1].Text + " - " + ss1.Cells[0, 2].Text;
        }
    }
}
Visual BasicCopy Code
Dim ds As New System.Data.DataSet()
Dim fpnames As DataTable
Dim fpclass As DataTable
Dim fpgrades As DataTable

fpnames = ds.Tables.Add("Students")
fpnames.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"))})
fpnames.Rows.Add(New Object() {"Jane", "Mary", 0})
fpnames.Rows.Add(New Object() {"Rodglet", "Jonnny", 1})
fpnames.Rows.Add(New Object() {"Steris", "Pat", 2})

fpclass = ds.Tables.Add("Class")
fpclass.Columns.AddRange(New DataColumn() {New DataColumn("Subject", Type.GetType("System.String")), New DataColumn("owner",
Type.GetType("System.Int32")), New DataColumn("owner-subject", Type.GetType("System.String"))})

'First Student
fpclass.Rows.Add(New Object() {"Math", 0, "0-Math"})
fpclass.Rows.Add(New Object() {"English", 0, "0-English"})
fpclass.Rows.Add(New Object() {"History", 0, "0-History"})
fpclass.Rows.Add(New Object() {"Music", 0, "0-Music"})
fpclass.Rows.Add(New Object() {"Science", 0, "0-Science"})

''Second Student
fpclass.Rows.Add(New Object() {"Math", 1, "1-Math"})
fpclass.Rows.Add(New Object() {"English", 1, "1-English"})
fpclass.Rows.Add(New Object() {"History", 1, "1-History"})
fpclass.Rows.Add(New Object() {"Music", 1, "1-Music"})
fpclass.Rows.Add(New Object() {"Science", 1, "1-Science"})

''Third Student
fpclass.Rows.Add(New Object() {"Math", 2, "2-Math"})
fpclass.Rows.Add(New Object() {"English", 2, "2-English"})
fpclass.Rows.Add(New Object() {"History", 2, "2-History"})
fpclass.Rows.Add(New Object() {"Music", 2, "2-Music"})
fpclass.Rows.Add(New Object() {"Science", 2, "2-Science"})

fpgrades = ds.Tables.Add("Grades")
fpgrades.Columns.AddRange(New DataColumn() {New DataColumn("Week 1", Type.GetType("System.String")), New DataColumn("Week
2", Type.GetType("System.String")), New DataColumn("Week 3", Type.GetType("System.String")), New DataColumn("Week 4", Type.GetType("System.String")),
New DataColumn("Week 5", Type.GetType("System.String")), New DataColumn("Week 6", Type.GetType("System.String")), New DataColumn("Week
7", Type.GetType("System.String")), New DataColumn("Subject", Type.GetType("System.String")), New DataColumn("owner-subject",
Type.GetType("System.String"))})
'First Student
fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "Math", "0-Math"})
fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "English", "0-English"})
fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "History", "0-History"})
fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "Music", "0-Music"})
fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "Science", "0-Science"})

fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "Math", "1-Math"})
fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "English", "1-English"})
fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "History", "1-History"})
fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "Music", "1-Music"})
fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "Science", "1-Science"})

fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "Math", "2-Math"})
fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "English", "2-English"})
fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "History", "2-History"})
fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "Music", "2-Music"})
fpgrades.Rows.Add(New Object() {"76", "80", "85", "89", "90", "93", "99", "Science", "2-Science"})

'Set the relations
ds.Relations.Add("Class", fpnames.Columns("id"), fpclass.Columns("owner"))
ds.Relations.Add("Grades", fpclass.Columns("owner-subject"), fpgrades.Columns("owner-subject"))
FpSpread1.ActiveSheet.DataSource = ds
FpSpread1.ActiveSheet.DataMember = "Students"
FpSpread1.ActiveSheet.SetColumnWidth(2, 150)
FpSpread1.ActiveSheet.ExpandRow(0, True)
Dim dlg As DialogResult
dlg = MessageBox.Show("Do you want to find the child?", "FindChildView", MessageBoxButtons.YesNo)
If dlg = DialogResult.Yes Then
    Dim ss, ss1 As FarPoint.Win.Spread.SheetView
    ss = FpSpread1.Sheets(0).FindChildView(0, 0)
    If Not ss Is Nothing Then
        ss1 = ss.GetChildView(1, 0)
        If Not ss1 Is Nothing Then
            Label1.Text = ss1.Cells(0, 0).Text & " - " & ss1.Cells(0, 1).Text & " - " & ss1.Cells(0, 2).Text
        End If
    End If
End If

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

© 2002-2012 ComponentOne, a division of GrapeCity. All Rights Reserved.