CheckBoxList详细用.docVIP

CheckBoxList详细用 1.绑定数据 ??? this.lngCatalogID.DataSource = dt; //这里我绑到DataTable上了.??? this.lngCatalogID.DataTextField = strCatalogName; //前台看到的值,也就是CheckBoxList中显示出来的值??? this.lngCatalogID.DataValueField = lngCatalogID; //这个值直接在页面上是看不到的,但在源代码中可以看到??? this.lngCatalogID.DataBind(); 2.获取钩选的项 foreach(ListItem li in lngCatalogID.Items)??? {???? if(li.Selected)??? //表示某一项被选中了???? {??????????????? //li.Test表示看到的值,对应上面的strCatalogName??????????? //li.Value表示看到的值对应的值.对应上面的lngCatalogID????? }???????? } 3.设置某项为钩选状态 ??? foreach(ListItem li in lngCatalogID.Items)??? {????? if(li.Value.Equals(钩选条件))??? //如果li.Value值等于某值,就钩选????? {?????? li.Selected = true;??????????????????? //等于true就表示钩选啦.?????? break;????? }??????????? } ????数据绑定checkedListBox1.DataSource=ds.Tables[0];checkedListBox1.ValueMember=intSectionID;checkedListBox1.DisplayMember=txtShortDesc.ToString();数据显示int count = checkedListBox1.Items.Count;for (int i = 0;icount;i++){if (checkedListBox1.GetItemChecked(i)){MessageBox.Show(checkedListBox1.Items[i].ToString());}} DataGrid中全选foreach(DataGridItem thisItem in DataGridLogininfo.Items)??????????? {??????????????? ((CheckBox)thisItem.Cells[0].Controls[1]).Checked = CheckBox2.Checked;??????????? } 反向选择 for (int i = 0; i checkedListBox1.Items.Count; i++)牋牋牋牋牋?{牋牋牋牋牋牋牋?if (checkedListBox1.GetItemChecked(i))牋牋牋牋牋牋牋?{牋牋牋牋牋牋牋牋牋?checkedListBox1.SetItemChecked(i, false);牋牋牋牋牋牋牋?}牋牋牋牋牋牋牋?else牋牋牋牋牋牋牋(int i = 0;icount;i++){if (checkedListBox1.GetItemCh?{牋牋牋牋牋牋牋牋牋?checkedListBox1.SetItemChecked(i, true);牋牋牋牋牋牋牋?}牋牋牋牋牋?} checkboxlist控件用法范例 范例一：script language=c# runat=serverpublic void Item_changed(Object sender,EventArgs e){string str;foreach(ListItem item in cblist.Items){??? if(item.Selected)????? mylabel.Text+=hrli+item.Text;}}/scripthtmlheadtitlecheckbox test page/title/headbodyform runat=serverasp:checkboxlist id=cblist runat=serverasp:listitem text=checkbox1/asp:listitem text=checkbox2/asp:li