我有一个网格视图,我正在实现分页和排序。当我对表进行排序,然后选择2页,则排序会丢失,在GridView控件绑定在asp.net中进行分页和排序的问题gridview
private DataSet BindGridView(string field)
{
DataSet ds = new DataSet()
string userQuery = "Select tbl_User.UserID, tbl_User.FirstName from tbl_user order by tbl_user.UserID desc";
UserTable.DataBind();
return ds;
}
<asp:GridView ID="UserTable" runat="server" PageSize="20" AllowPaging="True"
SelectedIndex="0" DataKeyNames="UserID" OnRowDataBound="UserTable_RowDataBound"
AutoGenerateColumns="false" OnPageIndexChanging="gridView_PageIndexChanging" AllowSorting="true" OnSorting="gridView_Sorting">
我怎样才能留住排序和执行寻呼提到的第二个20条记录显示在递减,我存储在会话中排序状态,我如何使用它来执行分页。
protected void gridView_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
UserTable.PageIndex = e.NewPageIndex;
UserTable.DataBind();
DataView myView = new DataView(BindGridView(Session["useremail"].ToString()).Tables[0]);
}
protected void gridView_Sorting(object sender, GridViewSortEventArgs e)
{
string sortExpression = null;
if ((Session["UsersortExpression"] == null))
{
sortExpression = null;
}
else
{
sortExpression = (Session["UsersortExpression"].ToString());
}
if (sortExpression == e.SortExpression)
{
sortExpression += " DESC";
}
else
{
sortExpression = e.SortExpression;
}
DataView myView = new DataView(BindGridView(Session["useremail"].ToString()).Tables[0]);
myView.Sort = sortExpression;
UserTable.DataSource = myView;
UserTable.DataBind();
//save sort state
Session.Add("UsersortExpression", sortExpression);
}
好像你正在重新绑定你的页面索引中的网格,并在你的BindGridView中再次改变。不要多次重新绑定网格。只要确保你的BindGridView方法在检查了你的pageindex和排序逻辑之后做了绑定。 – Rajesh 2012-01-09 17:26:19
如果我没有从分页代码隐藏中调用bindgridview,那么页面2没有被填充,它没有记录。我该怎么做,你可以展示一些代码 – Murthy 2012-01-10 10:00:24