TableCellCollection.Item Property (Int32)

 

Gets a TableCell from the TableCellCollection at the specified index.

Namespace:   System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

Public ReadOnly Property Item (
	index As Integer
) As TableCell

Parameters

index
Type: System.Int32

An ordinal index value that specifies the TableCell to return.

Property Value

Type: System.Web.UI.WebControls.TableCell

A TableCell that represents an element in the TableCellCollection.

Use this indexer to get an individual TableCell in the TableCellCollection at the specified index using simple array notation.

The following example demonstrates how to use the indexer to get a TableCell from a TableCellCollection. Note that in the example, the Cells property of the TableRow is an instance of the TableCellCollection class.

<%@ Page Language="VB" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">

    Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
        Dim numRows As Integer = 5
        Dim numCells As Integer = 6
        Dim counter As Integer = 1
        Dim a_row As New ArrayList()
        Dim a_column As New ArrayList()

        ' Create a table.
        Dim rowNum As Integer
        For rowNum = 0 To numRows - 1
            Dim rw As New TableRow()
            Dim cellNum As Integer
            For cellNum = 0 To numCells - 1
                Dim cel As New TableCell()
                cel.Text = counter.ToString()
                rw.Cells.Add(cel)
                counter += 1
            Next
            Table1.Rows.Add(rw)
        Next

        If Not IsPostBack Then
            ' Create a DropDownList for the number of columns.
            Dim cellNum As Integer
            For cellNum = 0 To numCells - 1
                a_column.Add(cellNum.ToString())
            Next

            ' Create a DropDownList for the number of rows.
            For rowNum = 0 To numRows - 1
                a_row.Add(rowNum.ToString())
            Next

            List1.DataSource = a_column
            List2.DataSource = a_row
            List1.DataBind()
            List2.DataBind()
        End If
    End Sub

    Sub Button_Click(ByVal sender As Object, ByVal e As EventArgs)
        Dim column As Integer = List1.SelectedIndex
        Dim row As Integer = List2.SelectedIndex

        Dim spec As String
        spec = "The cell ({0}, {1}) contains the value {2}."
        Label1.Text = String.Format(spec, column, _
            row, Table1.Rows(row).Cells(column).Text)
    End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

    <h3>TableCellCollection Example</h3>
    <asp:Table id="Table1" 
        runat="server"/>
    <br />&nbsp;<br />
    <p>Select a column and row:<br />
        Column: <asp:DropDownList id="List1" 
            runat="server"/>
        Row: <asp:DropDownList id="List2"
            runat="server"/>
        <br />&nbsp;<br />
        <asp:Button id="Button1"
            Text="Display Cell Value"
            OnClick="Button_Click"
            runat="server"/>
        <br />&nbsp;<br />
        <asp:Label id="Label1"
            runat="server"/>
    </p>

    </div>
    </form>
</body>
</html>

.NET Framework
Available since 1.1
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