listbox动态绑定 添加和删除项

 LBadd.DataSource = MySqlBase.GetVarsAsDataSet(sql);
 LBadd.DataValueField = "cellNO";
 LBadd.DataTextField = "cellNO";
 LBadd.DataBind();

 

 

 

 

[AjaxPro.AjaxMethod()]
        protected void btnadd_Click(object sender, EventArgs e)
        {
            if (this.LBadd.SelectedIndex == -1)
            {
                this.hidShowOnceMessage.Value = "請在左邊選擇要加入的架位";
                return;
            }

            string sUsername = this.LBadd.SelectedItem.Text.Trim();
            string sUserid = this.LBadd.SelectedItem.Value.Trim();

            ListItem item = this.LBdel.Items.FindByValue(sUserid);
            if (item == null)
            {
                this.LBadd.Items.RemoveAt(this.LBadd.SelectedIndex);
                this.LBdel.Items.Add(new ListItem(sUsername, sUserid));
            }
            else
            {
                //this.hidShowOnceMessage.Value="該用戶已分配";
                return;
            }
        }
        [AjaxPro.AjaxMethod()]
        protected void btndel_Click(object sender, EventArgs e)
        {
            if (this.LBdel.SelectedIndex == -1)
            {
                this.hidShowOnceMessage.Value = "請在右邊選擇要加入的架位";
                return;
            }

            int index = this.LBdel.SelectedIndex;

            this.LBadd.Items.Add(this.LBdel.SelectedItem);
            this.LBadd.SelectedIndex = 0;
            this.LBdel.Items.RemoveAt(index);
            //int sn = CoolFuncs.Str2Int(ddlwhNO.SelectedValue);
            //init(sn);
        }

posted @ 2008-10-19 10:35  XGU_Winner  阅读(748)  评论(0)    收藏  举报