Here is what I ended up doing: I ended up ditching the CSLA data source and simply binding a DataTable instead. I removed the static GridBoundColumn from my RadGrid as it was creating an extra column, and calling the OnNeedDataSource event:
<telerik:RadGrid ID="rgPermissions" AllowPaging="false" AllowSorting="true" OnNeedDataSource="rgPermissions_NeedDataSource"
runat="server">
<MasterTableView DataKeyNames="Permission Name" AutoGenerateColumns="true" EditMode="InPlace">
<Columns>
<telerik:GridEditCommandColumn />
</Columns>
</MasterTableView>
</telerik:RadGrid>
Then I filled out my event handler, creating the DataTable using the CSLA factory methods:
protected void rgPermissions_NeedDataSource(object sender, Telerik.Web.UI.GridNeedDataSourceEventArgs e)
{
// Data Access
PermissionInfoList permissions = PermissionInfoList.GetPermissionInfoList();
RoleInfoList roles = RoleInfoList.GetRoleList();
// create datatable for permissions
DataTable permissionTable = CreatePermissionDataTable(roles);
foreach (PermissionInfo permission in permissions)
{
// Add permission name
DataRow dataRow = permissionTable.NewRow();
dataRow["Permission Name"] = permission.PermissionName;
AddRow(permission, permissionTable, dataRow, roles);
}
rgPermissions.DataSource = permissionTable;
}
I created a DataTable for Permission data:
private DataTable CreatePermissionDataTable(RoleInfoList roles)
{
DataTable permissions = new DataTable();
permissions.Columns.Add("Permission Name", typeof(string));
permissions.Columns["Permission Name"].ReadOnly = true;
foreach (RoleInfo role in roles)
{
permissions.Columns.Add(role.Title, typeof(Boolean));
}
return permissions;
}
and I did use LINQ to sift out the permissions from the role data:
private DataTable AddRow(PermissionInfo permission, DataTable permissions, DataRow dataRow, RoleInfoList roles)
{
// Add roles
foreach (RoleInfo role in roles)
{
dataRow[role.Title] = permission.Roles.Any(r => r.RoleId == role.RoleId);
}
permissions.Rows.Add(dataRow);
return permissions;
}