error. Lets submit my code of aspx and aspx.cs page
<telerik:RadGrid ID="rdgPermissionList" runat="server" AllowFilteringByColumn="false"
AllowPaging="false" BackColor="White" AllowSorting="True" GridLines="Both" AutoGenerateColumns="false"
Skin="MyCustomSkin" EnableEmbeddedSkins="false" ShowGroupPanel="false" AllowMultiRowSelection="true"
OnColumnCreated="rdgPermissionList_ColumnCreated" OnNeedDataSource="rdgPermissionList_NeedDataSource"
OnItemDataBound="rdgPermissionList_ItemDataBound" OnItemCreated="rdgPermissionList_ItemCreated"
OnItemCommand="rdgPermissionList_ItemCommand" Width="99.5%" EnableLinqExpressions="false" >
<PagerStyle Mode="NextPrevAndNumeric" PrevPageToolTip="Previous" NextPagesToolTip="Next"
AlwaysVisible="true" />
<MasterTableView CommandItemDisplay="TopAndBottom" DataKeyNames="intFieldPermissionID,intModuleID,intModuleParentID,strRefLabel"
ItemStyle-HorizontalAlign="Left" AlternatingItemStyle-HorizontalAlign="Left"
HierarchyDefaultExpanded="false" HierarchyLoadMode="Client" AllowSorting="true"
EnableNoRecordsTemplate="false" AllowPaging="true" Name="Master" Width="100%">
<FilterItemStyle HorizontalAlign="Left" />
<ItemStyle HorizontalAlign="Left"></ItemStyle>
<AlternatingItemStyle HorizontalAlign="Left"></AlternatingItemStyle>
<SelfHierarchySettings ParentKeyName="" KeyName="intModuleID" />
<Columns>
<telerik:GridBoundColumn DataField="strRefLabel" HeaderText="Modules" SortExpression="strRefLabel"
UniqueName="strRefLabel" HeaderStyle-Width="60px" ItemStyle-HorizontalAlign="Left">
</telerik:GridBoundColumn>
<telerik:GridTemplateColumn HeaderText="Enable" HeaderStyle-Width="40px" UniqueName="Enable">
<ItemTemplate>
<asp:CheckBox ID="chkEnable" runat="server" Checked='<%# Eval("ysnEnable").ToString().ToLower()=="1"?true:false %>' />
</ItemTemplate>
</telerik:GridTemplateColumn>
</Columns>
<RowIndicatorColumn Visible="True">
</RowIndicatorColumn>
<CommandItemTemplate>
<table width="100%">
<tr>
<td id="tdSave" runat="server" style="width: 4%" align="left" valign="top">
<asp:ImageButton ImageUrl="~/images/tick.gif" ID="btnSave" runat="server" CommandName="Update">
</asp:ImageButton>
</td>
<td style="width: 96%" align="left">
<asp:ImageButton ImageUrl="~/images/Cancel.gif" ID="btnCancel" CausesValidation="False"
runat="server" CommandName="Cancel"></asp:ImageButton>
</td>
</tr>
</table>
</CommandItemTemplate>
</MasterTableView>
<HeaderStyle Width="50px" Height="25px" />
<ClientSettings AllowColumnsReorder="True" AllowKeyboardNavigation="true" AllowAutoScrollOnDragDrop="true" EnableRowHoverStyle="true"
ReorderColumnsOnClient="true" AllowDragToGroup="True" AllowExpandCollapse="true">
<ClientMessages DragToGroupOrReorder="Select All" />
<Resizing AllowColumnResize="true" EnableRealTimeResize="true" />
</ClientSettings>
<FilterMenu EnableEmbeddedSkins="false">
</FilterMenu>
</telerik:RadGrid>
using System;
using System.Linq;
using System.Data;
using System.Reflection;
using System.Web.UI;
using System.Web.UI.WebControls;
using A1_A1Tracker_CNetWeb.Components.DataAccess;
using A1_A1Tracker_CNetWeb.Components.Security;
using Telerik.Web.UI;
namespace A1_A1Tracker_CNetWeb.Modules.System
{
public partial class FieldPermissionDetails : A1_A1Tracker_CNetWeb.Components.Web.UI.Page
{
UserPermission UserPerms;
int groupId = 0;
protected void Page_Init(object sender, EventArgs e)
{
UserPerms = new UserPermission();
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (!(UserPerms.CheckPerms(A1_A1Tracker_CNetWeb.Components.Security.Module.Security, PermissionLevel.ReadOnly)))
Response.Redirect("~/Modules/UserAuthentication/ErrorPage.aspx?NoPerms=true");
}
groupId = Convert.ToInt32(Request.QueryString["groupId"]);
if (Assembly.GetAssembly(typeof(ScriptManager)).FullName.IndexOf("4.0") != -1)
{
rdgPermissionList.MasterTableView.FilterExpression = @"it[""intModuleParentID""] = Convert.DBNull";
}
else
{
rdgPermissionList.MasterTableView.FilterExpression = "intModuleParentID IS NULL";
}
RadDockPermissionDetail.Title = "<a href='Permission.aspx' style='color:black; cursor:hand; text-decoration:none;'> Permission </a> >> " + "Field Permission Details for " + Convert.ToString(Request.QueryString["groupname"]);
}
protected void rdgPermissionList_NeedDataSource(object source, Telerik.Web.UI.GridNeedDataSourceEventArgs e)
{
DataAccessHelper objDataAccess = new DataAccessHelper();
DataTable dtPermissionList = objDataAccess.GetFieldPermission(groupId);
objDataAccess = null;
if (dtPermissionList.Rows.Count != 0)
{
//if (rdgPermissionList.MasterTableView.FilterExpression.Length > 0)
//{
// var newTable = dtPermissionList.AsEnumerable().AsQueryable().Where(@"it[""intModuleParentID""] = Convert.DBNull").CopyToDataTable();
//}
//if (rdgPermissionList.MasterTableView.FilterExpression.Length > 0)
//{
// var tempTable = dtPermissionList.AsEnumerable().AsQueryable().Where(rdgPermissionList.MasterTableView.FilterExpression);
// if (tempTable.Count() > 0)
// {
// dsCopy.Load(tempTable.CopyToDataTable().CreateDataReader(),
// LoadOption.OverwriteChanges, strTables);
// }
//}
rdgPermissionList.DataSource = dtPermissionList.DefaultView;
}
}
protected void rdgPermissionList_ItemCommand(object source, GridCommandEventArgs e)
{
if (e.CommandName == RadGrid.UpdateCommandName)
{
string fieldsXML = "<root>";
foreach (GridDataItem item in rdgPermissionList.Items)
{
string test = item.OwnerTableView.Name;
String moduleId = item.GetDataKeyValue("intModuleID").ToString();
String permissionId = item.GetDataKeyValue("intFieldPermissionID").ToString();
CheckBox enable = item["Enable"].FindControl("chkEnable") as CheckBox;
fieldsXML += "<FIELDS>";
fieldsXML += "<ModuleId>" + moduleId + "</ModuleId>" + "\n";
fieldsXML += "<FieldPermissionID>" + permissionId + "</FieldPermissionID>" + "\n";
fieldsXML += "<Enable>" + enable.Checked + "</Enable>" + "\n";
fieldsXML += "</FIELDS>";
}
fieldsXML += "</root>";
DataAccessHelper objDataAccess = new DataAccessHelper();
objDataAccess.SaveFieldPermission(groupId, fieldsXML);
objDataAccess = null;
this.lblMsg.Text = "Field Permission updated successfully.";
}
else if (e.CommandName == RadGrid.CancelCommandName)
{
Response.Redirect("Permission.aspx");
}
}
protected void rdgPermissionList_ColumnCreated(object sender, GridColumnCreatedEventArgs e)
{
GridBoundColumn boundColumn = e.Column as GridBoundColumn;
switch (e.Column.UniqueName)
{
case "strRefLabel":
break;
case "ysnEnable":
break;
default:
e.Column.Visible = false;
break;
}
}
protected void rdgPermissionList_ItemCreated(object sender, GridItemEventArgs e)
{
if (e.Item is GridCommandItem)
{
//Apply Permission for Add and Delete
GridCommandItem commandItem = e.Item as GridCommandItem;
if (!(UserPerms.CheckPerms(A1_A1Tracker_CNetWeb.Components.Security.Module.Security, PermissionLevel.Add, PermissionLevel.Edit, PermissionLevel.Delete)))
(commandItem.FindControl("btnSave") as ImageButton).Parent.Visible = false;
}
CreateExpandCollapseButton(e.Item, "strRefLabel");
if ((e.Item is GridHeaderItem || e.Item is GridCommandItem || e.Item is GridPagerItem) && e.Item.OwnerTableView != rdgPermissionList.MasterTableView)
{
e.Item.Style["display"] = "none";
}
if (e.Item is GridNestedViewItem)
{
e.Item.Cells[0].Visible = false;
}
}
protected void Page_PreRender(object sender, EventArgs e)
{
HideExpandColumnRecursive(rdgPermissionList.MasterTableView);
}
public void HideExpandColumnRecursive(GridTableView tableView)
{
GridItem[] nestedViewItems = tableView.GetItems(GridItemType.NestedView);
foreach (GridNestedViewItem nestedViewItem in nestedViewItems)
{
foreach (GridTableView nestedView in nestedViewItem.NestedTableViews)
{
nestedView.Style["border"] = "0";
Button MyExpandCollapseButton = (Button)nestedView.ParentItem.FindControl("MyExpandCollapseButton");
if (nestedView.Items.Count == 0)
{
if (MyExpandCollapseButton != null)
{
MyExpandCollapseButton.Style["visibility"] = "hidden";
}
nestedViewItem.Visible = false;
}
else
{
if (MyExpandCollapseButton != null)
{
MyExpandCollapseButton.Style.Remove("visibility");
}
}
if (nestedView.HasDetailTables)
{
HideExpandColumnRecursive(nestedView);
}
}
}
}
protected void rdgPermissionList_ItemDataBound(object sender, GridItemEventArgs e)
{
if (e.Item is GridDataItem)
{
GridDataItem item = (GridDataItem)e.Item;
string parentId = item.GetDataKeyValue("intModuleParentID").ToString();
if (string.IsNullOrEmpty(parentId))
{
if (item.OwnerTableView.HasDetailTables)
{
CheckBox chkReadOnly = (CheckBox)item["Enable"].Controls[1];
if (chkReadOnly != null)
chkReadOnly.Attributes.Add("onclick", "MasterCheckBoxClick(this,'" + item.ItemIndex + "','chkEnable');");
}
}
}
CreateExpandCollapseButton(e.Item, "strRefLabel");
}
public void CreateExpandCollapseButton(GridItem item, string columnUniqueName)
{
if (item is GridDataItem)
{
if (item.FindControl("MyExpandCollapseButton") == null)
{
Button button = new Button();
button.Click += new EventHandler(button_Click);
button.CommandName = "ExpandCollapse";
button.CssClass = (item.Expanded) ? "rgCollapse" : "rgExpand";
button.ID = "MyExpandCollapseButton";
if (item.OwnerTableView.HierarchyLoadMode == GridChildLoadMode.Client)
{
string script = String.Format(@"$find(""{0}"")._toggleExpand(this, event); return false;", item.Parent.Parent.ClientID);
button.OnClientClick = script;
}
int level = item.ItemIndexHierarchical.Split(':').Length;
if (level > 1)
{
button.Style["margin-left"] = level + 9 + "px";
}
TableCell cell = ((GridDataItem)item)[columnUniqueName];
cell.Controls.Add(button);
cell.Controls.Add(new LiteralControl(" "));
cell.Controls.Add(new LiteralControl(((GridDataItem)item).GetDataKeyValue(columnUniqueName).ToString()));
}
}
}
void button_Click(object sender, EventArgs e)
{
((Button)sender).CssClass = (((Button)sender).CssClass == "rgExpand") ? "rgCollapse" : "rgExpand";
}
}
}