C# RadComboBoxItem类代码示例

		protected override void OnPreRender(EventArgs e)
		{
			base.OnPreRender(e);

			Entities.Users.UserInfo userInfo = Entities.Users.UserController.GetCurrentUserInfo();
			if (! Page.IsPostBack && userInfo != null && userInfo.UserID != Null.NullInteger)
			{
				//check view permissions - Yes?
				var portalSettings = PortalController.GetCurrentPortalSettings();
			    var pageCulture = Thread.CurrentThread.CurrentCulture.Name;
				if (string.IsNullOrEmpty(pageCulture))
				{
                    pageCulture = PortalController.GetActivePortalLanguage(portalSettings.PortalId);
				}

                List<TabInfo> tabs = TabController.GetTabsBySortOrder(portalSettings.PortalId, pageCulture, true);
				var sortedTabList = TabController.GetPortalTabs(tabs, Null.NullInteger, false, Null.NullString, true, false, true, true, true);

				Items.Clear();
				foreach (var _tab in sortedTabList)
				{
					RadComboBoxItem tabItem = new RadComboBoxItem(_tab.IndentedTabName, _tab.FullUrl);
					tabItem.Enabled = ! _tab.DisableLink;

					Items.Add(tabItem);
				}

				Items.Insert(0, new Telerik.Web.UI.RadComboBoxItem("", ""));
			}

			Width = Unit.Pixel(245);

		}

        public void Create(string objname, string id,string name, string templatename)
        {
            _objname = objname;
            _id = id;
            _name = name;

            DataReturn dr = AxiomIRISRibbon.Utility.HandleData(_d.GetTemplates(true));
            if (!dr.success) return;

            DataTable dt = dr.dt;
            cbTemplates.Items.Clear();

            RadComboBoxItem i;

            RadComboBoxItem selected = null;
            foreach (DataRow r in dt.Rows)
            {
                i = new RadComboBoxItem();

                i.Tag = r["Id"].ToString() + "|" + r["PlaybookLink__c"].ToString();
                i.Content = r["Name"].ToString();
                this.cbTemplates.Items.Add(i);

                if (r["Name"].ToString().ToLower() == templatename.Trim().ToLower()) selected = i;
            }

            // if we have a match then select it
            if (selected != null)
            {
                this.cbTemplates.SelectedItem = selected;
            }
        }

        protected virtual void LoadItemsInternal()
        {
            base.Items.Clear();

            if (this.FirstItemEmpty)
                base.Items.Add(XCombo.CreateEmptyItem());

            using (IDataReader dr = this.CreateDataReader())
            {
                StringBuilder sb = new StringBuilder();
                while (dr.Read())
                {
                    int j = 1;
                    for (; j < dr.FieldCount - 1; ++j)
                    {
                        object value = dr[j];
                        if (value != DBNull.Value)
                        {
                            sb.Append(value);
                            sb.Append(" - ");
                        }
                    }
                    sb.Append(dr[j]);

                    RadComboBoxItem item = new RadComboBoxItem(sb.ToString(), dr[0].ToString());
                    base.Items.Add(item);

                    sb.Length = 0;
                }
            }
        }

        protected void LoadGradeButtonFilter()
        {
            var gradesByCurriculumCourses = _curriculumCourseList.GetGradeList();

            gradeDropdown.Items.Clear();
            gradeDropdown.Attributes["teacherID"] = _teacherID.ToString();

            foreach (var g in gradesByCurriculumCourses)
            {
                RadComboBoxItem item = new RadComboBoxItem();
                item.Text = g.DisplayText;
                item.Value = g.DisplayText;

                item.Attributes["gradeOrdinal"] = g.GetFriendlyName();

                if (g.DisplayText == grade)
                {
                    item.Selected = true;
                }

                gradeDropdown.Items.Add(item);
            }

            initGrade.Value = gradeDropdown.SelectedIndex.ToString();

            if (gradeDropdown.SelectedValue.Length == 0 && gradeDropdown.Items.Count == 1)
            {
                gradeDropdown.Items[0].Selected = true;
            }
        }

 protected void RadComboBoxFirma_ItemsRequested(object sender, Telerik.Web.UI.RadComboBoxItemsRequestedEventArgs e)
 {
     if (e.Text.Length > 3)
     {
         string sqlSelectCommand = "";
         sqlSelectCommand = "SELECT [UserID],[UserName] from [telerik_Users] ORDER BY [UserName]";
         SqlDataAdapter adapter = new SqlDataAdapter(sqlSelectCommand, ConfigurationManager.ConnectionStrings["KalData"].ConnectionString);
         adapter.SelectCommand.Parameters.AddWithValue("@text", e.Text);
         DataTable dataTable = new DataTable();
         adapter.Fill(dataTable);
         RadComboBoxFirma.Items.Clear();
         foreach (DataRow dataRow in dataTable.Rows)
         {
             string UserName = "";
             RadComboBoxItem item = new RadComboBoxItem();
             item.Text = (string)dataRow["UserName"].ToString();
             item.Value = dataRow["UserId"].ToString();
             UserName = (string)dataRow["UserName"];
             if (dataRow["UserName"] != System.DBNull.Value)
             {
                 UserName = (string)dataRow["UserName"];
             }
             //item.Attributes.Add("FIRMAADI", FirmaAdi);
             //item.Attributes.Add("IL_ILCE", IlIlce);
             RadComboBoxFirma.Items.Add(item);
             item.DataBind();
         }
         Label lbl = (Label)RadComboBoxFirma.Footer.FindControl("lblBulunanKayitSayisi");
         lbl.Text = "Bulunan kayıt sayısı:" + "  " + dataTable.Rows.Count.ToString();
     }
 }

        private void LoadSchoolDropdown()
        {
            schoolDropdown.Items.Clear();
            
            //Build school ListBox
            foreach (var school in _schools)
            {
                var schoolListItem = new RadComboBoxItem
                    {
                        Text = school.Name,
                        Value = school.ID.ToString(CultureInfo.InvariantCulture)
                    };

                schoolDropdown.Items.Add(schoolListItem);

                var itemLabel = (Label)schoolListItem.FindControl("schoolLabel");

                if (itemLabel != null)
                {
                    itemLabel.Text = school.Name;
                }
            }

            var findButton = new RadComboBoxItem();
            schoolDropdown.Items.Add(findButton);

            var findButtonCheckbox = (CheckBox)findButton.FindControl("schoolCheckbox");
            if (findButtonCheckbox != null)
            {
                findButtonCheckbox.InputAttributes["style"] = "display:none;";
            }
        }

    protected void Page_Init(object sender, EventArgs e)
    {
       

         string uname = Request.QueryString["uname"].ToString();
        string getuid = "select [ID] from [User] where [uname] = '"+uname+"'";
        DataSet ds = new DataSet();
        ds = fbc.ReturnDS(getuid);
        string uidd = ds.Tables[0].Rows[0]["ID"].ToString();
        Session["VID"] = uidd;


        string getalbums = "SELECT * FROM Albums WHERE UID = " +uidd;
        DataTable dt = new DataTable();
        dt = fbc.ReturnDT(getalbums);
        albums.DataSource = dt;
        albums.DataBind();

        RadComboBoxItem item = new RadComboBoxItem();
        item.Value = "propic";
        item.Text = "Profile Photos";
        albums.Items.Add(item);

        RadComboBoxItem item2 = new RadComboBoxItem();
        item2.Value = "select";
        item2.Text = "Select Album";
        albums.Items.Add(item2);

        int d = albums.Items.Count;
        albums.Items[d-1].Selected = true;
    }

    protected void RadScheduler1_DataBound(object sender, EventArgs e)
    {
        
            RadScheduler1.ResourceTypes.FindByName("User").AllowMultipleValues = true;
            IList<Resource> pagedResources = new List<Resource>(RadScheduler1.Resources.GetResourcesByType("User"));
            IList<Resource> remainingResources = new List<Resource>();
           
                IList<RadComboBoxItem> comboItems = new List<RadComboBoxItem>();
                RadCombobox1.Items.Clear();
                //int resourceIndex = 0;
                string selectedLetter = Hiddenfield1.Value;
                char[] sep = { ',' };
                string[] newResources = selectedLetter.Split(sep, StringSplitOptions.RemoveEmptyEntries);

                foreach (Resource resource in pagedResources)
                {

                    bool isSelected = false;
                    for (int i = 0; i < newResources.Length; i++)
                    {
                        if (resource.Text != newResources[i])
                        {
                            isSelected = true;
                        }
                        else
                        {
                            isSelected = false;
                            break;
                        }
                    }
                    if (isSelected)
                    {
                       RadScheduler1.Resources.Remove(resource);
                        remainingResources.Add(resource);
                        RadCombobox1.Items.Add(new RadComboBoxItem(resource.Text));
                    }
                    else
                    {
                        RadComboBoxItem newItem = new RadComboBoxItem(resource.Text);
                        newItem.Checked = true;
                        RadCombobox1.Items.Add(newItem);
                    }
                }
              
            //    Hiddenfield1.Value = "ready";
            //}
            //else
            //{
            //    foreach (Resource resource in pagedResources)
            //    {
            //        RadCombobox1.Items.Add(new RadComboBoxItem(resource.Text));
            //    }
            //}
            Session["remainingResources"] = remainingResources;
          
      

    }

 protected void FillDateFilterDDL()
 {
     DdlDate.Items.Add(new RadComboBoxItem("Today's data", "0"));
     DdlDate.Items.Add(new RadComboBoxItem("Last seven days", "7"));
     DdlDate.Items.Add(new RadComboBoxItem("Current month", "30"));
     RadComboBoxItem rcbItem = new RadComboBoxItem("All", "-1");
     rcbItem.Selected = true;
     DdlDate.Items.Add(rcbItem);
     DdlDate.Items.Add(new RadComboBoxItem("Custom date...", "-2"));
 }

 private void CarregueCombo()
 {
     foreach (EnumeradorFiltroPatente enumerador in EnumeradorFiltroPatente.ObtenhaTodos())
     {
         var item = new RadComboBoxItem(enumerador.Descricao, enumerador.Id.ToString());
         item.Attributes.Add("Codigo", enumerador.Id.ToString());
         cboFiltroPatente.Items.Add(item);
         item.DataBind();
     }
 }

 private void PromotionList()
 {
     ObjLogin cust = (ObjLogin)Session["objLogin"];
     ddlPromotion.DataSource = ScheduleRepo.GetListPhonePromotion(cust.Phone,Constant.outbox);
     ddlPromotion.DataTextField = "Title";
     ddlPromotion.DataValueField = "Id";
     ddlPromotion.DataBind();
     RadComboBoxItem item = new RadComboBoxItem("Select all", "0");
     ddlPromotion.Items.Insert(0, item);
 }

 private void ListRegion()
 {
     var region = (int.Parse(ddlGroup.SelectedValue) > 0) ? regionRepo.GetRegionByGroupId(int.Parse(ddlGroup.SelectedValue)) : regionRepo.GetAll();
     ddlRegion.DataSource = region;
     ddlRegion.DataTextField = "RegionName";
     ddlRegion.DataValueField = "Id";
     ddlRegion.DataBind();
     RadComboBoxItem item = new RadComboBoxItem("Select a region", "0");
     ddlRegion.Items.Insert(0, item);
 }

 private void ListGroup()
 {
     var group = groupRepo.GetAll();
     ddlGroup.DataSource = group;
     ddlGroup.DataTextField = "GroupName";
     ddlGroup.DataValueField = "Id";
     ddlGroup.DataBind();
     RadComboBoxItem item = new RadComboBoxItem("Select a group", "0");
     ddlGroup.Items.Insert(0, item);
 }

 /// <summary>
 /// Load data to comboboxes when page_load
 /// </summary>
 private void ListCustomerType()
 {
     var customertype = CTypeRepo.GetAll();
     ddlCustomerType.DataSource = customertype;
     ddlCustomerType.DataTextField = "TypeName";
     ddlCustomerType.DataValueField = "Id";
     ddlCustomerType.DataBind();
     RadComboBoxItem item=new RadComboBoxItem("Select a type","0");
     ddlCustomerType.Items.Insert(0, item);
 }

 private void ListChannel()
 {
     var channelList = ChannelRepo.GetAll();
     ddlChannel.DataSource = channelList;
     ddlChannel.DataValueField = "Id";
     ddlChannel.DataTextField = "ChannelName";
     ddlChannel.DataBind();
     RadComboBoxItem item = new RadComboBoxItem("Select a channel", "0");
     ddlChannel.Items.Insert(0, item);
 }