TableRowCollection.CopyTo メソッド
指定した System.Array に TableRowCollection の項目をコピーします。コピー操作は、System.Array 内の指定したインデックス位置から始まります。
名前空間: System.Web.UI.WebControls
アセンブリ: System.Web (system.web.dll 内)
構文
パラメータ
解説
使用例
プラットフォーム
バージョン情報
参照
アセンブリ: System.Web (system.web.dll 内)
構文Dim instance As TableRowCollection Dim array As Array Dim index As Integer instance.CopyTo(array, index)
解説.gif)
使用例CopyTo メソッドを使用して、指定した配列に TableRowCollection の項目をコピーする方法の例を次に示します。
<%@ 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() ' 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 End Sub Sub Button_Click(sender As Object, e As EventArgs) Dim row_counter As Integer = 0 Dim myRowArray(5) As TableRow Dim myCellArray(6) As TableCell ' Copy the Rows collection to an array. Table1.Rows.CopyTo(myRowArray, 0) Label1.Text = "The copied items from the table are: " ' Iterate through the TableRows in the array. Dim table_row As TableRow For Each table_row In myRowArray ' Copy the Cells collection of a row to an array. Table1.Rows(row_counter).Cells.CopyTo(myCellArray, 0) ' Iterate through the cell array and display its contents. Dim cell As TableCell For Each cell In myCellArray Label1.Text = Label1.Text + " " + cell.Text Next cell row_counter += 1 Next table_row End Sub </script> </head> <body> <h3>TableCellCollection Example</h3> <form runat=server> <asp:Table id="Table1" runat="server"/> <br><br> <center> <asp:Button id="Button1" Text="Copy Table to Array" OnClick="Button_Click" runat="server"/> <br><br> <asp:Label id="Label1" runat="server"/> </center> </form> </body> </html>
<%@ 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(); // 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); } } void Button_Click(object sender, EventArgs e) { int row_counter = 0; TableRow[] myRowArray = new TableRow[5]; TableCell[] myCellArray = new TableCell[6]; // Copy the Rows collection to an array. Table1.Rows.CopyTo(myRowArray, 0); Label1.Text = "The copied items from the table are: "; // Iterate through the TableRows in the array. foreach (TableRow table_row in myRowArray) { // Copy the Cells collection of a row to an array. Table1.Rows[row_counter].Cells.CopyTo(myCellArray, 0); // Iterate through the cell array and display its contents. foreach (TableCell cell in myCellArray) { Label1.Text = Label1.Text + " " + cell.Text; } row_counter++; } } </script> </head> <body> <h3>TableCellCollection Example</h3> <form runat=server> <asp:Table id="Table1" runat="server"/> <br><br> <center> <asp:Button id="Button1" Text="Copy Table to Array" OnClick="Button_Click" runat="server"/> <br><br> <asp:Label id="Label1" runat="server"/> </center> </form> </body> </html>
プラットフォームWindows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。
バージョン情報参照- TableRowCollection.CopyTo メソッドのページへのリンク
