TableRowCollection.GetRowIndex(TableRow) Método
Definición
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 -> intPublic Function GetRowIndex (row As TableRow) As IntegerParámetros
- row
- TableRow
Objeto TableRow que se va a buscar en la colección TableRowCollection.
Devoluciones
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
Use este método para determinar el índice del especificado TableRow en .TableRowCollection Si no se encuentra el especificado TableRow , se devuelve un índice de -1.