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GridViewRowCollection.CopyTo(GridViewRow[], Int32) Method

  • Reference

Definition

Namespace:
System.Web.UI.WebControls
Assembly:
System.Web.dll

Copies all the items from this GridViewRowCollection to the specified Array object, starting at the specified index in the Array object.

public:
 void CopyTo(cli::array <System::Web::UI::WebControls::GridViewRow ^> ^ array, int index);
public void CopyTo (System.Web.UI.WebControls.GridViewRow[] array, int index);
member this.CopyTo : System.Web.UI.WebControls.GridViewRow[] * int -> unit
Public Sub CopyTo (array As GridViewRow(), index As Integer)

Parameters

array
GridViewRow[]

A zero-based Array object that receives the copied items from the GridViewRowCollection object.

index
Int32

The first index in the specified Array object to receive the copied contents.

Examples

The following example demonstrates how to use the CopyTo method to copy the items of collection into an array. The array is iterated through and the values of the first cell are displayed on the page.


<%@ 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 AuthorsGridView_RowCreated(Object sender, GridViewRowEventArgs e)
  {
    if (e.Row.RowType == DataControlRowType.Footer)
    {
      Message.Text = "The authors are:<br />";
      
      // Copy the items in the Rows collection into an array.
      GridViewRow[] rowArray = new GridViewRow[AuthorsGridView.Rows.Count]; 
      AuthorsGridView.Rows.CopyTo(rowArray, 0);

      // Iterate though the array and display the value in the
      // first cell of the row.
      foreach(GridViewRow row in rowArray)
      {
        Message.Text += row.Cells[0].Text + "<br />";
      }
    }
  }

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>GridViewRowCollection CopyTo Example</title>
</head>
<body>
    <form id="form1" runat="server">
        
      <h3>GridViewRowCollection CopyTo Example</h3>

      <table>
        <tr>
          <td>
            <asp:gridview id="AuthorsGridView" 
              datasourceid="AuthorsSqlDataSource" 
              autogeneratecolumns="false"
              onrowcreated="AuthorsGridView_RowCreated"  
              runat="server"> 
                     
              <columns>
                <asp:boundfield datafield="au_lname"
                  headertext="Last Name"/>
                <asp:boundfield datafield="au_fname"
                  headertext="First Name"/>
              </columns>
                                    
            </asp:gridview>
          </td>
          <td>
            <asp:label id="Message" 
              forecolor="Red"
              runat="server"/>
          </td>
        </tr>
      </table>
            
      <!-- This example uses Microsoft SQL Server and connects -->
      <!-- to the Pubs sample database.                        -->
      <asp:sqldatasource id="AuthorsSqlDataSource"  
        selectcommand="SELECT [au_lname], [au_fname] FROM [authors] WHERE [state]='CA'"
        connectionstring="server=localhost;database=pubs;integrated security=SSPI"
        runat="server">
      </asp:sqldatasource>
          
    </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 AuthorsGridView_RowCreated(ByVal sender As Object, ByVal e As GridViewRowEventArgs)

    If e.Row.RowType = DataControlRowType.Footer Then
    
      Message.Text = "The authors are:<br />"
      
      ' Copy the items in the Rows collection into an array.
      Dim rowArray(AuthorsGridView.Rows.Count - 1) As GridViewRow
      AuthorsGridView.Rows.CopyTo(rowArray, 0)

      ' Iterate though the array and display the value in the
      ' first cell of the row.
      Dim row As GridViewRow
      For Each row In rowArray
      
        Message.Text &= row.Cells(0).Text & "<br />"
      
      Next
      
    End If
      
  End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>GridViewRowCollection CopyTo Example</title>
</head>
<body>
    <form id="form1" runat="server">
        
      <h3>GridViewRowCollection CopyTo Example</h3>

      <table>
        <tr>
          <td>
            <asp:gridview id="AuthorsGridView" 
              datasourceid="AuthorsSqlDataSource" 
              autogeneratecolumns="false"
              onrowcreated="AuthorsGridView_RowCreated"  
              runat="server"> 
                     
              <columns>
                <asp:boundfield datafield="au_lname"
                  headertext="Last Name"/>
                <asp:boundfield datafield="au_fname"
                  headertext="First Name"/>
              </columns>
                                    
            </asp:gridview>
          </td>
          <td>
            <asp:label id="Message" 
              forecolor="Red"
              runat="server"/>
          </td>
        </tr>
      </table>
            
      <!-- This example uses Microsoft SQL Server and connects -->
      <!-- to the Pubs sample database.                        -->
      <asp:sqldatasource id="AuthorsSqlDataSource"  
        selectcommand="SELECT [au_lname], [au_fname] FROM [authors] WHERE [state]='CA'"
        connectionstring="server=localhost;database=pubs;integrated security=SSPI"
        runat="server">
      </asp:sqldatasource>
          
    </form>
  </body>
</html>

Remarks

Use this method to copy the items in the GridViewRowCollection object into the specified System.Array object, starting at the specified index. The System.Array object can then be used to access the items in the collection.

Note

You must use a zero-based System.Array object for the array parameter.

Applies to

See also