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ASP.NET 2.0中GRIDVIEW排序

2007-03-20 00:33 429 查看

在
headertemplate中加一张UP.GIF和DOWN.GIF(就是升序，倒序的示意图）
%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >

<script runat="server">

void GridView1_RowCreated(object sender, GridViewRowEventArgs e)

{

if (e.Row != null && e.Row.RowType == DataControlRowType.Header)

{

foreach (TableCell cell in e.Row.Cells)

{

if (cell.HasControls())

{

LinkButton button = cell.Controls[0] as LinkButton;

if (button != null)

{

Image image = new Image();

image.ImageUrl = "default.gif";

if (GridView1.SortExpression == button.CommandArgument)

{

if (GridView1.SortDirection == SortDirection.Ascending)

image.ImageUrl = "up.gif";

else

image.ImageUrl = "down..gif";

}

cell.Controls.Add(image);

}

}

}

}

}

</script>

<head id="Head1" runat="server">

<title>Untitled Page</title>

</head>

<body>

<form id="form1" runat="server">

<div>

<asp:GridView ID="GridView1" Runat="server" DataSourceID="SqlDataSource1" AllowSorting="True" AutoGenerateColumns="False" OnRowCreated="GridView1_RowCreated">

<Columns>

<asp:BoundField HeaderText="customerid" DataField="CustomerID"></asp:BoundField>

<asp:BoundField HeaderText="companyname" DataField="CompanyName" SortExpression="CompanyName"></asp:BoundField>

</Columns>

</asp:GridView>

<asp:SqlDataSource ID="SqlDataSource1" Runat="server" SelectCommand="SELECT customerid,companyname FROM customers " ConnectionString="server=localhost;uid=sa;password=XXX;database=northwind">

</asp:SqlDataSource>

</div>

</form>

</body>

</html>

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