Rad List box values are bind two time

[mohamed]

if i put   ProjectName.DataBind(); after the records are come in radlistbox
if i don't put that record are shown one time but for each doesn't go inside

see the screen shot
.cs

if (service[0].grupname.ToString() == "SubCon")

                                {

                                    using (var db = new DoskContractServicesDataContext(Globals.strCon))

                                    {

                                       

                                        var Projec = (from a in db.DSProjectMasters where a.FinalStatus == "Cls" && a.Status != "Del" select new { a.ProjectCode, a.ProjectTitle }).ToList();

                                        ProjectName.DataSource = Projec;

                                        ProjectName.DataValueField = "ProjectCode";

                                        ProjectName.DataTextField = "ProjectTitle";

                                        ProjectName.DataBind();

                                    }

 

                                    ProjNam.Visible = true;

                                    ProjectName.Visible = true;

 

                                    string md = service[0].Projectid.ToString();

 

                                    string[] Projid = md.Split(',');

 

                                    for (int i = 0; i < Projid.Length; i++)

                                    {

                                        string val = Projid[i].ToString();

                                        int m = 0;

 

                                        foreach (RadListBoxItem item1 in ProjectName.Items)

                                        {

                                            string Md1 = ProjectName.Items[m].Value;

                                            if (Md1 == val)

                                            {

                                                item1.Checked = true;

                                            }

                                            m++;

                                        }

                                    }

                                }

Thanks Advance,
Mohamed.