亲密接触ASP.Net(14)
亲密接触ASP.Net(14),亲密接触ASP.Net(14)
上一节大家没有看到总的结构,这一节,我把代码全部贴出来,大家好好看看。
<%@ Page Language="C#" %
<%@ Import Namespace="System.Data" %
<%@ Import Namespace="System.Data.SQL" %
<html
<script language="C#" runat="server"
void Page_Load(Object sender, EventArgs e)
{
//判断是否隐藏PagerStyle-Mode
if (chk1.Checked)
{
MyDataGrid.PagerStyle.Visible=true;
}
else
{
MyDataGrid.PagerStyle.Visible=false;
}
BindGrid();
}
ICollection CreateDataSource()
{
/*
读取数据库的信息,获得DataView
*/
SQLConnection MyConnection = new SQLConnection("server=localhost;uid=sa;pwd=123456;database=aspcn");
SQLDataSetCommand MyDataSetCommand = new SQLDataSetCommand("select * from admin_enter order by Enter_Time desc",MyConnection);
DataSet ds= new DataSet();
MyDataSetCommand.FillDataSet(ds,"admin_enter");
return ds.Tables["admin_enter"].DefaultView;
}
void PagerButtonClick(Object sender, EventArgs e)
{
//获得LinkButton的参数值
String arg = ((LinkButton)sender).CommandArgument;
switch(arg)
{
case ("next"):
if (MyDataGrid.CurrentPageIndex < (MyDataGrid.PageCount - 1))
MyDataGrid.CurrentPageIndex ++;
break;
case ("prev"):
if (MyDataGrid.CurrentPageIndex 0)
MyDataGrid.CurrentPageIndex --;
break;
case ("last"):
MyDataGrid.CurrentPageIndex = (MyDataGrid.PageCount - 1);
break;
default:
//本页值
MyDataGrid.CurrentPageIndex = arg.ToInt32();
break;
}
BindGrid();
}
void MyDataGrid_Page(Object sender, DataGridPageChangedEventArgs e)
{
//处理按下数字的方法
BindGrid();
}
void BindGrid()
{
//将DataView绑定到DataGrid上去
MyDataGrid.DataSource = CreateDataSource();
MyDataGrid.DataBind();
ShowStats();
}
void ShowStats()
{
//显示页面信息
lblCurrentIndex.Text = "当前页数为: " + ((int)MyDataGrid.CurrentPageIndex+1);
lblPageCount.Text = "总页数是: " + MyDataGrid.PageCount;
}
</script
<