У меня настроена фильтрация кода для настраиваемой веб-части, но при выборе фильтрации на сайте произошла ошибка, я пробовал несколько потенциальных исправлений, но безрезультатно, и ищу какую-то помощь в том, чего мне не хватает / поступаю неправильно.
код ..
using System;
using System.Data;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using Microsoft.SharePoint;
namespace Test.TestWebPart
{
public partial class TestWebPartUserControl : UserControl
{
//Global variable call
private SPSite thisSite = SPContext.Current.Site;
//private SPWebCollection thisWeb;//
private SPWeb thisWeb = SPContext.Current.Web;
private DataTable dt;
private SPListCollection siteLists;
private DataTableWrapper myDataTable;
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
BindToGrid();
}
}
private void BindToGrid()
{
dt = new DataTable();
dt.Columns.Add("Title");
dt.Columns.Add("Created");
dt.Columns.Add("List");
dt = SelectData();
myDataTable = new DataTableWrapper(dt);
Type t = myDataTable.GetType();
ObjectDataSource ds = new ObjectDataSource();
ds.ID = "myDataSource";
ds.TypeName = t.AssemblyQualifiedName;
ds.SelectMethod = "GetTable";
ds.ObjectCreating += new ObjectDataSourceObjectEventHandler(ds_ObjectCreating);
this.Controls.Add(ds);
grid.ID = "gridID";
//Bind the three columns to the SPGridView
//HtmlEncode must be false for the links to appear as true html
BoundField column = new BoundField();
column.DataField = "Title";
column.HtmlEncode = false;
//column.SortExpression = "Title";
column.HeaderText = "Title";
grid.Columns.Add(column);
BoundField column1 = new BoundField();
column1.DataField = "Created";
column1.HtmlEncode = true;
//column1.SortExpression = "Created";
column1.HeaderText = "Created";
grid.Columns.Add(column1);
BoundField column2 = new BoundField();
column2.DataField = "List";
column2.HtmlEncode = false;
//column2.SortExpression = "List";
column2.HeaderText = "List";
grid.Columns.Add(column2);
grid.AllowFiltering = true;
grid.FilterDataFields = "Title,Created,ListName";
grid.FilteredDataSourcePropertyName = "FilterExpression";
grid.FilteredDataSourcePropertyFormat = "{1} == '{0}'";
//Provide the SPGridview with the DataSource
grid.DataSourceID = "myDataSource";
this.Controls.Add(grid);
//Default Pagination - commented out due to not working
//grid.PageIndexChanging += new GridViewPageEventHandler(grid_PageIndexChanging);
//grid.PagerTemplate = null;
//Bind the data to the grid
grid.DataBind();
}
//private void GenerateColumns()
//{
//}
//Used to deal with the PageIndexChange event
void grid_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
grid.PageIndex = e.NewPageIndex;
grid.DataBind();
}
//Used to deal with the ObjectCreated event
void ds_ObjectCreating(object sender, ObjectDataSourceEventArgs e)
{
myDataTable = new DataTableWrapper(dt);
e.ObjectInstance = myDataTable;
}
//Pulls the data from lists which will be displayed
public DataTable SelectData()
{
try
{
//Create a new instance of type DataRow
DataRow row;
//Loop through each website in the webcollection
{
//Pull the lists from the site into a list collection
siteLists = thisWeb.Lists;
//Display only lists the current user has access to
siteLists.ListsForCurrentUser = true;
SPBasePermissions perms = SPBasePermissions.ViewListItems;
//Loop through each list within the list collection
foreach (SPList list in siteLists)
{
if (list.DoesUserHavePermissions(perms))
{
//If the list is an announcement list continue otherwise skip
if (list.BaseTemplate.ToString() == "Announcements")
{
//Exclude the lists stated from those whose data will be collected
if (list.Title.ToString() == "The Buzz" || list.Title.ToString() == "Test 2 list")
{
}
else
{
//Create a item collection for each item within the current list
SPListItemCollection listItem = list.Items;
//Loop through each item within the item collection
foreach (SPListItem item in listItem)
{
//Get the url of the current website
string weburl = thisWeb.Url;
//Gets the URL of the current item
string dispurl = item.ContentType.DisplayFormUrl;
dispurl = list.Forms[PAGETYPE.PAGE_DISPLAYFORM].Url;
//Joins together the full URL for the current item into a single variable
dispurl = string.Format("{0}/{1}?ID={2}", weburl, dispurl, item.ID);
//Create a new in the datatable as an instance of row
row = dt.Rows.Add();
//Put the correct information and links into the correct column
row["Title"] = "<a target=_blank href=\"" + dispurl + "\">" + item["Title"].ToString() + "</a>";
row["Created"] = item["Created"].ToString();
row["List"] = "<a target=_blank href=\"" + list.DefaultViewUrl + "\">" + list.Title + "</a>";
}
}
}
}
}
}
//Return the completed DataTable
return dt;
}
//Exception to catch any errors
catch (Exception s)
{
return dt;
}
}
}
}
Ошибка на сайте: -
ОШИБКА: вызван SPGridView_FilterCallbackErrorHandler () - результат = целевой объект 'ctl00 $ m $ g_f0816b70_5f1d_4c59_9ba2_39401a4d7ea6 $ ctl00 $ gridID' для обратного вызова не найден * 1010E даже не реализовал *. *
Любая помощь приветствуется. Спасибо.