GridView.FooterRow 属性在脚注中显示排序方向
属性值
一个 GridViewRow，表示 GridView 控件中的脚注行。
备注 使用 FooterRow 属性以编程方式访问表示 GridView 控件中的脚注行的 GridViewRow 对象。
.gif) 注意 |
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FooterRow 属性仅当 GridView 控件在 RowCreated 事件中创建了脚注行之后才可用。 |
此属性通常在需要以编程方式操作脚注行时（如添加自定义内容时）使用。对 FooterRow 属性的任何修改必须在呈现 GridView 控件后执行；否则，GridView 控件将会改写所有更改。
<%@ Page language="C#" %>
<script runat="server">
void CustomersGridView_DataBound(Object sender, EventArgs e)
{
// Get the header row.
GridViewRow headerRow = CustomersGridView.HeaderRow;
// Get the footer row.
GridViewRow footerRow = CustomersGridView.FooterRow;
// Set the font color of the header and footer rows
// based on the sort direction.
switch (CustomersGridView.SortDirection)
{
case SortDirection.Ascending:
headerRow.ForeColor = System.Drawing.Color.Green;
footerRow.ForeColor = System.Drawing.Color.Green;
break;
case SortDirection.Descending:
headerRow.ForeColor = System.Drawing.Color.Red;
footerRow.ForeColor = System.Drawing.Color.Red;
break;
default:
headerRow.ForeColor = System.Drawing.Color.Black;
footerRow.ForeColor = System.Drawing.Color.Black;
break;
}
// Display the sort order in the footer row.
footerRow.Cells[0].Text = "Sort Order = " + CustomersGridView.SortDirection.ToString();
}
</script>
<html>
<body>
<form runat="server">
<h3>GridView HeaderRow and FooterRow Example</h3>
<asp:gridview id="CustomersGridView"
datasourceid="CustomersSource"
autogeneratecolumns="true"
emptydatatext="No data available."
allowsorting="true"
allowpaging="true"
showheader="true"
showfooter="true"
ondatabound="CustomersGridView_DataBound"
runat="server">
<headerstyle backcolor="LightCyan"
forecolor="MediumBlue"/>
<footerstyle backcolor="LightCyan"
forecolor="MediumBlue"/>
</asp:gridview>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the Northwind sample database. Use an ASP.NET -->
<!-- expression to retrieve the connection string value -->
<!-- from the Web.config file. -->
<asp:sqldatasource id="CustomersSource"
selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]"
connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>"
runat="server"/>
</form>
</body>
</html>
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