public class test
{
....
DataSet ds;
private void Page_Load(object sender, System.EventArgs e)
{
ds=new DataSet ();
da.Fill (ds,"CompactInfo");
.....
}
public void ImageButton1_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
DataTable dt=ds.Tables["CompactInfo"];
}
}
提示找不到对象ds,请问在imagebutton1_clieck中怎么访问上面的dataset呀
{
....
DataSet ds;
private void Page_Load(object sender, System.EventArgs e)
{
ds=new DataSet ();
da.Fill (ds,"CompactInfo");
.....
}
public void ImageButton1_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
DataTable dt=ds.Tables["CompactInfo"];
}
}
提示找不到对象ds,请问在imagebutton1_clieck中怎么访问上面的dataset呀
{
//if (!IsPostBack)
{
ds=new DataSet ();
da.Fill (ds,"CompactInfo");
}
}otherwise, you should save the dataset in a Session variable
{
....
DataSet ds = new DataSet();
private void Page_Load(object sender, System.EventArgs e)
{
da.Fill (ds,"CompactInfo");
.....
}
public void ImageButton1_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
DataTable dt=ds.Tables["CompactInfo"];
}
}
另外你的代码应该都编译不过去呀,而且代码中有严重的问题,把获取数据放在Page_Load中,每次都页面的回传(PostBack)都会重新连接数据库重新取数据,严重影响性能,但是如果你加上!Page.IsPostBack判断,你在ImageButton1_Click事件中就不会取得ds的数据,我不知道你的目的是什么,这只是我的个人看法。
{
ds=new DataSet ();
da.Fill (ds,"CompactInfo");
}