下面的樣本示範如何使用 GetEnumerator 方法檢索一個枚舉數，該枚舉數包含集合中的值。然後，逐一查看該枚舉數，並將第一個儲存格的值顯示在頁上。
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<%@ Page language="C#" %>
<SCRIPT runat="server">
void AuthorsGridView_RowCreated(Object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.Footer)
{
Message.Text = "The authors are:<br>";
// Get the enumerator that contains the data rows in the
// GridView control.
IEnumerator rowEnumerator = AuthorsGridView.Rows.GetEnumerator();
// Iterate though the enumerator and display the value in the
// first cell of the row.
while(rowEnumerator.MoveNext())
{
GridViewRow row = (GridViewRow)rowEnumerator.Current;
Message.Text += row.Cells[0].Text + "<br>";
}
}
}
</SCRIPT>
<HTML>
<FORM runat="server">
<H3>GridViewRowCollection GetEnumerator Example</H3>
<TABLE><TBODY><TR><TD><ASP:GRIDVIEW id=AuthorsGridView runat="server" onrowcreated="AuthorsGridView_RowCreated" autogeneratecolumns="false" datasourceid="AuthorsSqlDataSource"><COLUMNS><ASP:BOUNDFIELD headertext="Last Name" datafield="au_lname" /><ASP:BOUNDFIELD headertext="First Name" datafield="au_fname" /></COLUMNS></ASP:GRIDVIEW></TD><TD><ASP:LABEL id=Message runat="server" forecolor="Red" /></TD></TR></TBODY></TABLE>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the Pubs sample database. -->
<ASP:SQLDATASOURCE id=AuthorsSqlDataSource runat="server" connectionstring="server=localhost;database=pubs;integrated security=SSPI" selectcommand="SELECT [au_lname], [au_fname] FROM [authors] WHERE [state]='CA'">
</ASP:SQLDATASOURCE>
</FORM>
