謝謝你的排序答案。我轉向LINQ來幫助動態排序。由於網格知道是否對ASC或DESC進行排序,以及哪個字段,我使用了LINQ表達式。表達式執行排序,然後我簡單地將這些結果綁定到我的gridview。
我懷疑jQuery方法會更快,並且不需要完整的回發。
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,感謝..好奇,想看看如何用jQuery工作方法! Merci beaucoup .. – bAN 2010-12-08 09:36:55