Spread Windows Forms 10.0 Product Documentation
IsColumnBound Method (SheetView)
Example 


Column index
Gets whether the specified column on this sheet is bound to a data source.
Syntax
'Declaration
 
Public Function IsColumnBound( _
   ByVal column As Integer _
) As Boolean
'Usage
 
Dim instance As SheetView
Dim column As Integer
Dim value As Boolean
 
value = instance.IsColumnBound(column)
public bool IsColumnBound( 
   int column
)

Parameters

column
Column index

Return Value

Boolean: true if the column is bound; false otherwise
Example
This example illustrates the use of this member by returning whether the specified column and row are bound to a data source.
string conStr = "Provider=Microsoft.JET.OLEDB.4.0;data source= " + Application.StartupPath + "\\Patients2000.mdb";
string sqlStr = "SELECT * FROM Patients"; 
System.Data.OleDb.OleDbConnection conn  = new System.Data.OleDb.OleDbConnection(conStr); 
DataSet ds = new DataSet(); 
System.Data.OleDb.OleDbDataAdapter da = new System.Data.OleDb.OleDbDataAdapter(sqlStr, conn);
fpSpread1.ActiveSheet.DataAutoSizeColumns = false; 
fpSpread1.ActiveSheet.DataMember = "Patients"; 
da.Fill(ds); 
fpSpread1.ActiveSheet.DataSource = ds;
DialogResult dlg;
dlg = MessageBox.Show("Do you want to check if the column and row are bound?", "IsColumn/RowBound", MessageBoxButtons.YesNo);
if (dlg == DialogResult.Yes)
{
    fpSpread1.ActiveSheet.AddUnboundRows(1, 2);
    fpSpread1.ActiveSheet.SetValue(2, 0, "Daly");
    fpSpread1.ActiveSheet.SetValue(2, 1, "John");
    fpSpread1.ActiveSheet.SetValue(2, 2, "111390");
    fpSpread1.ActiveSheet.SetValue(2, 3, "12 Courtney Place");
}
MessageBox.Show("Row 1 is bound = " + fpSpread1.ActiveSheet.IsRowBound(1).ToString() + " - Column 1 is bound = " + fpSpread1.ActiveSheet.IsColumnBound(1).ToString(),
"IsColumn/RowBound", MessageBoxButtons.OK);
Dim conStr As String = "Provider=Microsoft.JET.OLEDB.4.0;data source= " & Application.StartupPath & "\Patients2000.mdb"
Dim sqlStr As String = "SELECT * FROM Patients"
Dim conn As New System.Data.OleDb.OleDbConnection(conStr)
Dim ds As DataSet = New DataSet()
Dim da As New System.Data.OleDb.OleDbDataAdapter(sqlStr, conn)
Dim dlg As DialogResult
FpSpread1.ActiveSheet.DataAutoHeadings = False
FpSpread1.ActiveSheet.DataMember = "Patients"
da.Fill(ds)
FpSpread1.ActiveSheet.DataSource = ds
dlg = MessageBox.Show("Do you want to check if the column and row are bound?", "IsColumn/RowBound", MessageBoxButtons.YesNo)
If dlg = DialogResult.Yes Then
    FpSpread1.ActiveSheet.AddUnboundRows(1, 2)
    FpSpread1.ActiveSheet.SetValue(2, 0, "Daly")
    FpSpread1.ActiveSheet.SetValue(2, 1, "John")
    FpSpread1.ActiveSheet.SetValue(2, 2, "111390")
    FpSpread1.ActiveSheet.SetValue(2, 3, "12 Courtney Place")
End If
MessageBox.Show("Row 1 is bound = " & FpSpread1.ActiveSheet.IsRowBound(1).ToString() & " - Column 1 is bound = " & FpSpread1.ActiveSheet.IsColumnBound(1).ToString(),
"IsColumn/RowBound", MessageBoxButtons.OK)
Requirements

Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows Server 2012 R2, Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10

See Also

Reference

SheetView Class
SheetView Members

User-Task Documentation

Managing Data Binding

 

 


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