📄 datagridpage.aspx
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<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.SqlClient" %>
<html>
<script language="C#" runat="server">
//声明表格对象
DataTable Cart;
//声明视图对象
DataView CartView;
protected void Page_Load(Object sender, EventArgs e)
{
if (Session["DG6_ShoppingCart"] == null) {
Cart = new DataTable();
//建立数据连接
SqlConnection myConnection = new SqlConnection("server=(local);database=Northwind;Trusted_Connection=yes");
//创建SqlDataAdapter对象
SqlDataAdapter myCommand = new SqlDataAdapter("select * from Categories", myConnection);
//创建DataSet对象
DataSet ds = new DataSet();
//将查询结果填充到DataSet对象中
myCommand.Fill(ds, "Categories");
Cart=ds.Tables["Categories"];
Session["DG6_ShoppingCart"] = Cart;
}
else {
Cart = (DataTable)Session["DG6_ShoppingCart"];
}
CartView = new DataView(Cart);
CartView.Sort = "CategoryID";
if (!IsPostBack) {
BindGrid();
}
//选择分页显示的样式，NumericPages是数字形式，NextPrev是链接形式
if (chk1.Checked) {
MyDataGrid.PagerStyle.Mode=PagerMode.NumericPages;
}
else {
MyDataGrid.PagerStyle.Mode=PagerMode.NextPrev;
}
}
public void BindGrid() {
MyDataGrid.DataSource = CartView;
MyDataGrid.DataBind();
}
void MyDataGrid_Page(Object sender, DataGridPageChangedEventArgs e) {
MyDataGrid.CurrentPageIndex = e.NewPageIndex;
BindGrid();
}
</script>
<body>
<h3>清单</h3>
<form runat=server>
<ASP:DataGrid id="MyDataGrid" runat="server"
BorderColor="black"
Font-Name="Verdana"
Font-Size="8pt"
HeaderStyle-BackColor="#aaaadd"
AutoGenerateColumns="false"
AllowPaging="True"
PageSize="3"
PagerStyle-Mode="NumericPages"
PagerStyle-HorizontalAlign="Right"
PagerStyle-NextPageText="后一页"
PagerStyle-PrevPageText="前一页"
OnPageIndexChanged="MyDataGrid_Page">
<Columns>
<asp:BoundColumn HeaderText="序号" ReadOnly="true" DataField="CategoryID"/>
<asp:BoundColumn HeaderText="名称" DataField="CategoryName" />
<asp:BoundColumn HeaderText="描述" DataField="Description"/>
</Columns>
</asp:DataGrid>
<p>
<asp:Checkbox id="chk1" runat="server"
Text="使用数字分页显示模式"
Font-Name="Verdana"
Font-Size="8pt"
AutoPostBack="true"
/>
</form>
</body>
</html>
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