[Ext.Net]遍历checkboxGroup

[csharp]  前台方法： 
var items = Ext.getCmp("CheckboxGroup1").items; 
 
  for (var i = 0; i < items.length; i++) { 
                    if (items.itemAt(i).checked) { 
                                           } 
                } 
后台方法： 
       Ext.Net.CheckboxGroup mygroup1=new CheckboxGroup();  
        mygroup1 = (Ext.Net.CheckboxGroup)this.form1.FindControl("ItemTypeGroup"); 
        string itemtype = string.Empty; 
        for(int i=0;i<mygroup1.Items.Count;i++) 
        { 
            if (mygroup1.Items[i].Checked)  
            { 
                string tmp; 
                if (mygroup1.Items[i].BoxLabel == "非贸易品") 
                { 
                    tmp = "'" + "N" + "'"; 
                } 
                else  
                { 
                    tmp = "'" + "Y" + "'"; 
                } 
                itemtype = tmp + "," + itemtype; 
            } 
 
        } 
        X.Msg.Alert("xx",itemtype.Substring(0,itemtype.Length-1)).Show(); 

前台方法：
var items = Ext.getCmp("CheckboxGroup1").items;

  for (var i = 0; i < items.length; i++) {
                    if (items.itemAt(i).checked) {
                                           }
                }
后台方法：
       Ext.Net.CheckboxGroup mygroup1=new CheckboxGroup();
        mygroup1 = (Ext.Net.CheckboxGroup)this.form1.FindControl("ItemTypeGroup");
        string itemtype = string.Empty;
        for(int i=0;i<mygroup1.Items.Count;i++)
        {
            if (mygroup1.Items[i].Checked)
            {
                string tmp;
                if (mygroup1.Items[i].BoxLabel == "非贸易品")
                {
                    tmp = "'" + "N" + "'";
                }
                else
                {
                    tmp = "'" + "Y" + "'";
                }
                itemtype = tmp + "," + itemtype;
            }

        }
        X.Msg.Alert("xx",itemtype.Substring(0,itemtype.Length-1)).Show();