TableRowCollection.Item Property (Int32)

 

Gets a TableRow from the TableRowCollection at the specified index.

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

public TableRow this[
	int index
] { get; }

Parameters

index
Type: System.Int32

An ordinal index value that specifies which TableRow object to return. This index is zero-based.

Property Value

Type: System.Web.UI.WebControls.TableRow

A TableRow that represents an element in the TableRowCollection.

Use this indexer to get an individual TableRow from the TableRowCollection at the specified index using simple array notation.

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

<%@ Page Language="C#" %>

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

<script runat="server">
    void Page_Load(Object sender, EventArgs e)
    {
        int numRows = 5;
        int numCells = 6;
        int counter = 1;

        // Create a table.
        for (int rowNum = 0; rowNum < numRows; rowNum++)
        {
            TableRow rw = new TableRow();
            for (int cellNum = 0; cellNum < numCells; cellNum++)
            {
                TableCell cel = new TableCell();
                cel.Text = counter.ToString();
                if (cellNum == List2.SelectedIndex)
                    cel.BackColor = System.Drawing.Color.Chartreuse;
                else if (rowNum == List1.SelectedIndex)
                    cel.BackColor = System.Drawing.Color.CadetBlue;
                else
                    cel.BackColor = System.Drawing.Color.White;
                rw.Cells.Add(cel);
                counter++;
            }
            Table1.Rows.Add(rw);
        }

        if (!IsPostBack)
        {
            // Fill a DropDownList with row numbers
            for (int rowNum = 0; rowNum < numRows; rowNum++)
            {
                List1.Items.Add(rowNum.ToString());
            }

            // Fill a DropDownList with column numbers
            for (int cellNum = 0; cellNum < numCells; cellNum++)
            {
                List2.Items.Add(cellNum.ToString());
            }
        }
    }

    void Button_Click(object sender, EventArgs e)
    {
        int rowNum = List1.SelectedIndex;
        TableRow rw = Table1.Rows[rowNum];

        Label1.Text = "The row index of the selected cell is " +
            Table1.Rows.GetRowIndex(rw).ToString();
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>TableCellCollection Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <h3>TableCellCollection Example</h3>
        <asp:Table id="Table1" runat="server" />
        <br />&nbsp;<br />
        Select a cell:
        <br />&nbsp;<br />
        Row: <asp:DropDownList id="List1" runat="server" />
        Column: <asp:DropDownList id="List2" runat="server" />
        <br />&nbsp;<br />
        <asp:Button id="Button1"
           Text="Get Index"
           OnClick="Button_Click"
           runat="server" />
        <br />&nbsp;<br />
        <asp:Label id="Label1" runat="server" />
    </div>
    </form>
</body>
</html>

.NET Framework
Available since 1.1
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