asp.net中同一页面,点击下面tr中的小图,上面tr中的大图和点击的小图是一张,只是大小不同。
推荐回答(3个)
你说的不够清楚啊 !!!
所以没法回答你
你是说你点击一个小图。上面的大图和点击的小图是一样的吗?
增加一个 ID 为uiThumbnail 的Onclick 事件
在里面重新设置 ID为 uiProductBanner 的src 属性就行了。
public void uiThumbnail_Onclic(object sender,argervase arg){
uiProductBanner.Src="点击的小图的大图路径";
}
'>' runat ="server" />
分页嘛,我给你点资料,自己去改一下,我以前就是根据这个做的,
本文收藏在我博客裏了
DataGrid控件内部也使用了PagedDataSource类,PagedDataSource 类封装 DataGrid 控件的属性,这些属性使 DataGrid 可以执行分页。
PagedDataSource 类的部分公共属性:
AllowCustomPaging 获取或设置指示是否启用自定义分页的值。
AllowPaging 获取或设置指示是否启用分页的值。
Count 获取要从数据源使用的项数。
CurrentPageIndex 获取或设置当前页的索引。
DataSource 获取或设置数据源。
DataSourceCount 获取数据源中的项数。
FirstIndexInPage 获取页中的第一个索引。
IsCustomPagingEnabled 获取一个值,该值指示是否启用自定义分页。
IsFirstPage 获取一个值,该值指示当前页是否是首页。
IsLastPage 获取一个值,该值指示当前页是否是最后一页。
IsPagingEnabled 获取一个值,该值指示是否启用分页。
IsReadOnly 获取一个值,该值指示数据源是否是只读的。
IsSynchronized 获取一个值,该值指示是否同步对数据源的访问(线程安全)。
PageCount 获取显示数据源中的所有项所需要的总页数。
PageSize 获取或设置要在单页上显示的项数。
VirtualCount 获取或设置在使用自定义分页时数据源中的实际项数。
这些属性是否和DataGrid的属性很相似?没错,DataGrid控件就是使用PagedDataSource类来实现数据分页显示的 。下面举个使用PagedDataSource类实现DataList和Repeater控件的分页显示的例子:
public void Page_Load(Object src,EventArgs e)
{
OleDbConnection objConn=new OleDbConnection(@"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:\test.mdb");
OleDbDataAdapter objCommand=new OleDbDataAdapter("select * from Users",objConn);
DataSet ds=new DataSet();
objCommand.Fill(ds);
//对PagedDataSource 对象的相关属性赋值
PagedDataSource objPds = new PagedDataSource();
objPds.DataSource = ds.Tables[0].DefaultView;
objPds.AllowPaging = true;
objPds.PageSize = 5;
int CurPage;
//当前页面从Page查询参数获取
if (Request.QueryString["Page"] != null)
CurPage=Convert.ToInt32(Request.QueryString["Page"]);
else
CurPage=1;
objPds.CurrentPageIndex = CurPage-1;
lblCurrentPage.Text = "Page: " + CurPage.ToString();
if (!objPds.IsFirstPage)
lnkPrev.NavigateUrl=Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(CurPage-1);
if (!objPds.IsLastPage)
lnkNext.NavigateUrl=Request.CurrentExecutionFilePath+ "?Page=" + Convert.ToString(CurPage+1);
//把PagedDataSource 对象赋给Repeater控件
Repeater1.DataSource=objPds;
Repeater1.DataBind();
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