谢谢你的排序答案。我转向LINQ来帮助动态排序。由于网格知道是否对ASC或DESC进行排序,以及哪个字段,我使用了LINQ表达式。表达式执行排序,然后我简单地将这些结果绑定到我的gridview。
我怀疑jQuery方法会更快,并且不需要完整的回发。
using System.Linq.Expressions;
public SortDirection GridViewSortDirection
{
get
{
if (ViewState["sortDirection"] == null)
ViewState["sortDirection"] = SortDirection.Ascending;
return (SortDirection)ViewState["sortDirection"];
}
set { ViewState["sortDirection"] = value; }
}
protected void gridView_Sorting(object sender, GridViewSortEventArgs e)
{
//re-run the query, use linq to sort the objects based on the arg.
//perform a search using the constraints given
//you could have this saved in Session, rather than requerying your datastore
List<T> myGridResults = PerfomSearch();
if (myGridResults != null)
{
var param = Expression.Parameter(typeof(T), e.SortExpression);
var sortExpression = Expression.Lambda<Func<T, object>>(Expression.Convert(Expression.Property(param, e.SortExpression), typeof(object)), param);
if (GridViewSortDirection == SortDirection.Ascending)
{
myGridView.DataSource = myGridResults.AsQueryable<T>().OrderBy(sortExpression);
GridViewSortDirection = SortDirection.Descending;
}
else
{
myGridView.DataSource = myGridResults.AsQueryable<T>().OrderByDescending(sortExpression);
GridViewSortDirection = SortDirection.Ascending;
};
myGridView.DataBind();
}
}
有用的,感谢..好奇,想看看如何用jQuery工作方法! Merci beaucoup .. – bAN 2010-12-08 09:36:55