System.NotSupportedException was unhandled by user code
Message=The data source does not support sorting.
Source=namespace
StackTrace:
at namespace.Admin.ToolkitScriptManager1_AsyncPostBackError(Object sender, AsyncPostBackErrorEventArgs e) in C:\project\Master.cs:line 27
at System.Web.UI.ScriptManager.OnAsyncPostBackError(AsyncPostBackErrorEventArgs e)
at System.Web.UI.PageRequestManager.OnPageError(Object sender, EventArgs e)
at System.Web.UI.TemplateControl.OnError(EventArgs e)
at System.Web.UI.Page.HandleError(Exception e)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
InnerException:
protected void ToolkitScriptManager1_AsyncPostBackError(object sender, AsyncPostBackErrorEventArgs e)
{
ToolkitScriptManager1.AsyncPostBackErrorMessage = Resources.Strings.ErrorAsyncPostBack;
logger.Error("An asyncpostbackerror has occurred: " + e.Exception.Message);
throw e.Exception; // <<<<<< throw error here
}
<asp:ObjectDataSource ID="ObjectDataSource1" runat="server"
DataObjectTypeName="mynamespace.Product" SelectMethod="GetAllProducts" SortParameterName="sortedBy"
TypeName="mynamespace.Products" UpdateMethod="Update">
<SelectParameters>
<asp:Parameter Name="sortedBy" DefaultValue="DisplayOrdinal, Name" />
</SelectParameters>
</asp:ObjectDataSource>
ниже - мой код, используемый для простого просмотра сетки, и у меня только проблемы с сортировкой, а подкачка работает как ожидалось, и я даже определяю событие ONSorting, но оно все равно выдает мне ошибку: The data source does not support sorting.
namespace mynamespace
{
public class Product
{
private int _id;
public int Id
{
get { return _id; }
set { _id = value; }
}
private string _code;
public string Code
{
get { return _code; }
set { _code = value; }
}
private string _name;
public string Name
{
get { return _name; }
set { _name = value; }
}
<asp:GridView ID="GridView1" runat="server" DataKeyNames="Id"
AutoGenerateColumns="False" OnSorting="gridview1_Sorting" DataSourceID="ObjectDataSource1" >
<Columns>
<asp:CommandField ShowEditButton="True" />
<asp:BoundField DataField="Id" HeaderText="Id"
SortExpression="Id" ReadOnly="True" />
<asp:BoundField DataField="Code" HeaderText="Code"
SortExpression="Code" />
<asp:BoundField DataField="Name" HeaderText="Name"
SortExpression="Name" />
<asp:TemplateField HeaderText="State/Province" SortExpression="StateProvinceName"
HeaderStyle-Wrap="true" HeaderStyle-Width="80px">
<ItemTemplate>
<%# ((namespace)(Container.DataItem)).StateProvince.Name.ToString()%>
</ItemTemplate>
<EditItemTemplate>
<asp:DropDownList ID="ddlState" runat="server" DataSourceID="StateDataSource" DataTextField="Name"
DataValueField="StateProvinceId" AutoPostBack="false">
</asp:DropDownList>
</EditItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:ObjectDataSource ID="ObjectDataSource1" runat="server"
DataObjectTypeName="mynamespace.Product"
SelectMethod="GetAllProducts" TypeName="mynamespace.Products"
UpdateMethod="Update">
</asp:ObjectDataSource>
protected void gridview1_Sorting(object sender, GridViewSortEventArgs e)
{
if (e.SortExpression == SortField)
{
if (SortDirection != null)
{
if (SortDirection == "ASC")
SortDirection = "DESC";
else
SortDirection = "ASC";
}
else
{
if (e.SortDirection == System.Web.UI.WebControls.SortDirection.Ascending)
SortDirection = "ASC";
else
SortDirection = "DESC";
}
}
else
{
if (e.SortDirection == System.Web.UI.WebControls.SortDirection.Ascending)
SortDirection = "ASC";
else
SortDirection = "DESC";
}
SortField = e.SortExpression;
DataBind();
}
protected override void Page_Load(object sender, EventArgs e)
{
GridView1.DataSourceID = "ObjectDataSource1";
}
protected void somecustomlinks_ItemCommand(object source, EventArgs e)
{
DataBind();
}
public override void DataBind()
{
List<Organization> _org = new List<Organization>();
Gridview1.DataSourceID = string.Empty;
Gridview1.DataSource = _orgFilter;
Gridview1.DataBind();
}