TableCellCollection.GetCellIndex(TableCell) 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 TableCell especificado de TableCellCollection.
public:
int GetCellIndex(System::Web::UI::WebControls::TableCell ^ cell);public int GetCellIndex (System.Web.UI.WebControls.TableCell cell);member this.GetCellIndex : System.Web.UI.WebControls.TableCell -> intPublic Function GetCellIndex (cell As TableCell) As IntegerParámetros
- cell
- TableCell
TableCell que obtiene el índice en TableCellCollection.
Devoluciones
El índice del objeto TableCell especificado incluido en TableCellCollection. El valor predeterminado es -1, que indica que no se ha encontrado ninguna coincidencia.
Ejemplos
En el ejemplo siguiente se muestra cómo usar la GetCellIndex propiedad para mostrar el índice de columna 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;
ArrayList a_row = new ArrayList();
ArrayList a_column = new ArrayList();
// 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();
rw.Cells.Add(cel);
counter++;
}
Table1.Rows.Add(rw);
}
if (!IsPostBack)
{
// Create a DropDownList for the number of rows.
for (int k = 0; k < numrows; k++)
{
a_row.Add(k.ToString());
}
// Create a DropDownList for the number of columns.
for (int l = 0; l < numcells; l++)
{
a_column.Add(l.ToString());
}
List1.DataSource = a_row;
List2.DataSource = a_column;
List1.DataBind();
List2.DataBind();
}
}
void Button_Click(object sender, EventArgs e)
{
int row = List1.SelectedIndex;
int column = List2.SelectedIndex;
TableCell cell = Table1.Rows[row].Cells[column];
Label1.Text = "The column index of the selected cell is " +
Table1.Rows[row].Cells.GetCellIndex(cell).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 />
<p style="text-align:center">
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"/>
</p>
</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 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 rows.
For rowNum = 0 To numrows - 1
a_row.Add(rowNum.ToString())
Next
' Create a DropDownList for the number of columns.
Dim cellNum As Integer
For cellNum = 0 To numcells - 1
a_column.Add(cellNum.ToString())
Next
List1.DataSource = a_row
List2.DataSource = a_column
List1.DataBind()
List2.DataBind()
End If
End Sub
Sub Button_Click(ByVal sender As Object, ByVal e As EventArgs)
Dim row As Integer = List1.SelectedIndex
Dim column As Integer = List2.SelectedIndex
Dim cell As TableCell = Table1.Rows(row).Cells(column)
Label1.Text = "The column index of the selected cell is " & _
Table1.Rows(row).Cells.GetCellIndex(cell).ToString()
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 /><br />
<p style="text-align:center">
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"/>
</p>
</div>
</form>
</body>
</html>
Comentarios
Utilice este método para determinar el índice del especificado TableCell en .TableCellCollection Si no se encuentra el especificado TableCell , se devuelve un índice de -1.