SelectMultiPages.aspx

跨页面实现多选

SelectMultiPages.aspx.cs

using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Data.OleDb; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; namespace eMeng.Exam { /// /// SelectMultiPages 的摘要说明。 /// public class SelectMultiPages : System.Web.UI.Page { protected System.Web.UI.WebControls.Button Button1; protected System.Web.UI.WebControls.Label Label1; protected System.Web.UI.HtmlControls.HtmlInputHidden HdnSelectedValues; protected System.Web.UI.WebControls.DataGrid DataGrid1; private void Page_Load(object sender, System.EventArgs e) { // 在此处放置用户代码以初始化页面 if(!Page.IsPostBack) BindData(); } private void DataGrid1_PageIndexChanged(object source, DataGridPageChangedEventArgs e) { DataGrid1.CurrentPageIndex = e.NewPageIndex; BindData(); } void BindData() { OleDbConnection cn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + HttpContext.Current.Server.MapPath("aspx.mdb")); OleDbDataAdapter da = new OleDbDataAdapter("Select Title, CreateDate from Document",cn); DataSet ds = new DataSet(); da.Fill(ds); DataGrid1.DataSource= ds; DataGrid1.DataBind(); } private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) { //重新显示所选择的项目 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) { if(HdnSelectedValues.Value.IndexOf(((Literal)e.Item.Cells[1].FindControl("TitleShow")).Text) >= 0 ) { HtmlInputCheckBox ChkSelected = (HtmlInputCheckBox)(e.Item.Cells[0].FindControl("ChkSelect")); ChkSelected.Checked = true; } } } private void Button1_Click(object sender, System.EventArgs e) { //为了显示的方便进行替换的 Label1.Text = HdnSelectedValues.Value.Replace(",",""); } #region Web 窗体设计器生成的代码 override protected void OnInit(EventArgs e) { // // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。 // InitializeComponent(); base.OnInit(e); } /// /// 设计器支持所需的方法 - 不要使用代码编辑器修改 /// 此方法的内容。 /// private void InitializeComponent() { this.DataGrid1.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound); this.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged); this.Button1.Click += new System.EventHandler(this.Button1_Click); this.Load += new System.EventHandler(this.Page_Load); } #endregion } }