TableCellCollection.GetCellIndex Method
Returns a value that represents the index of the specified TableCell from the TableCellCollection.
[Visual Basic] Public Function GetCellIndex( _ ByVal cell As TableCell _ ) As Integer [C#] public int GetCellIndex( TableCell cell ); [C++] public: int GetCellIndex( TableCell* cell ); [JScript] public function GetCellIndex( cell : TableCell ) : int;
Parameters
- cell
- The TableCell to get the index of in the TableCellCollection.
Return Value
The index of the specified TableCell within the TableCellCollection. The default is -1, which indicates that a match has not been found.
Remarks
Use this method to determine the index of the specified TableCell in the TableCellCollection. If the specified TableCell is not found, an index of -1 is returned.
Example
[Visual Basic, C#] The following example demonstrates how to use the GetCellIndex property to display the column index of the selected cell.
[Visual Basic] <%@ Page Language="VB" AutoEventWireup="True" %> <html> <head> <script runat="server"> Sub Page_Load(sender As Object, 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 j As Integer For j = 0 To numrows - 1 Dim r As New TableRow() Dim i As Integer For i = 0 To numcells - 1 Dim c As New TableCell() c.Text = counter.ToString() r.Cells.Add(c) counter += 1 Next i Table1.Rows.Add(r) Next j If Not IsPostBack Then ' Create a DropDownList for the number of rows. Dim k As Integer For k = 0 To numrows - 1 a_row.Add(k.ToString()) Next k ' Create a DropDownList for the number of columns. Dim l As Integer For l = 0 To numcells - 1 a_column.Add(l.ToString()) Next l List1.DataSource = a_row List2.DataSource = a_column List1.DataBind() List2.DataBind() End If End Sub Sub Button_Click(sender As Object, 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> </head> <body> <h3>TableCellCollection Example</h3> <form runat=server> <asp:Table id="Table1" runat="server"/> <br><br> <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"/> </center> </form> </body> </html> [C#] <%@ Page Language="C#" AutoEventWireup="True" %> <html> <head> <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 j=0; j<numrows; j++) { TableRow r = new TableRow(); for (int i=0; i<numcells; i++) { TableCell c = new TableCell(); c.Text = counter.ToString(); r.Cells.Add(c); counter++; } Table1.Rows.Add(r); } 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> </head> <body> <h3>TableCellCollection Example</h3> <form runat=server> <asp:Table id="Table1" runat="server"/> <br><br> <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"/> </center> </form> </body> </html>
[C++, JScript] No example is available for C++ or JScript. To view a Visual Basic or C# example, click the Language Filter button
in the upper-left corner of the page.
Requirements
Platforms: Windows 2000, Windows XP Professional, Windows Server 2003 family
See Also
TableCellCollection Class | TableCellCollection Members | System.Web.UI.WebControls Namespace | TableCell