TableRowCollection.GetRowIndex(TableRow) Método

Referencia

Definición

Espacio de nombres:: System.Web.UI.WebControls

Ensamblado:: System.Web.dll

Importante

Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.

Devuelve un valor que representa el índice del objeto TableRow especificado de TableRowCollection.

public:
 int GetRowIndex(System::Web::UI::WebControls::TableRow ^ row);

public int GetRowIndex (System.Web.UI.WebControls.TableRow row);

member this.GetRowIndex : System.Web.UI.WebControls.TableRow -> int

Public Function GetRowIndex (row As TableRow) As Integer

Parámetros

row: TableRow

Objeto TableRow que se va a buscar en la colección TableRowCollection.

Devoluciones

Int32

Ubicación del índice ordinal del TableRow especificado en la colección. El valor predeterminado es -1, que indica que no se ha encontrado el TableRow especificado.

Ejemplos

En el ejemplo siguiente se muestra cómo usar la GetRowIndex propiedad para mostrar el índice de fila de la celda seleccionada.

<%@ 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 /> <br />
        Select a cell:
        <br /> <br />
        Row: <asp:DropDownList id="List1" runat="server" />
        Column: <asp:DropDownList id="List2" runat="server" />
        <br /> <br />
        <asp:Button id="Button1"
           Text="Get Index"
           OnClick="Button_Click"
           runat="server" />
        <br /> <br />
        <asp:Label id="Label1" runat="server" />
    </div>
    </form>
</body>
</html>

<%@ 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 cellNum As Integer
        Dim counter As Integer = 1

        ' Create a table.
        Dim rowNum As Integer
        For rowNum = 0 To numRows - 1
            Dim rw As New TableRow()
            For cellNum = 0 To numCells - 1
                Dim cel As New TableCell()
                cel.Text = counter.ToString()
                If cellNum = List2.SelectedIndex Then
                    cel.BackColor = System.Drawing.Color.Chartreuse
                ElseIf rowNum = List1.SelectedIndex Then
                    cel.BackColor = System.Drawing.Color.CadetBlue
                Else
                    cel.BackColor = System.Drawing.Color.White
                End If
                rw.Cells.Add(cel)
                counter += 1
            Next cellNum
            Table1.Rows.Add(rw)
        Next rowNum
            
        If Not IsPostBack Then
            ' Fill a DropDownList with row numbers
            For rowNum = 0 To numRows - 1
                List1.Items.Add(rowNum.ToString())
            Next rowNum
                
            ' Fill a DropDownList with column numbers
            For cellNum = 0 To numCells - 1
                List2.Items.Add(cellNum.ToString())
            Next cellNum
        End If
    End Sub

    Sub Button_Click(ByVal sender As Object, ByVal e As EventArgs)
        Dim rowNum As Integer = List1.SelectedIndex
        Dim rw As TableRow = Table1.Rows(rowNum)
            
        Label1.Text = "The row index of the selected cell is " & _
            Table1.Rows.GetRowIndex(rw).ToString()
    End Sub
</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 /> <br />
        Select a cell:
        <br /> <br />
        Row: <asp:DropDownList id="List1" runat="server" />
        Column: <asp:DropDownList id="List2" runat="server" />
        <br /> <br />
        <asp:Button id="Button1"
           Text="Get Index"
           OnClick="Button_Click"
           runat="server" />
        <br /> <br />
        <asp:Label id="Label1" runat="server" />
    </div>
    </form>
</body>
</html>

Comentarios

Utilice este método para determinar el índice del especificado TableRow en .TableRowCollection Si no se encuentra el especificado TableRow , se devuelve un índice de -1.

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