Author: Meng will Microsoft MVP SelectMultiPages.aspx <% @ Page EnableViewState = "true" CodeBehind = "SelectMultiPages.aspx.cs" Language = "c #" AutoEventWireup = "false" Inherits = "eMeng.Exam.SelectMultiPages"%> < ! DOCTYPE HTML PUBLIC "- // W3C // DTD HTML 4.0 Transitional // En">
Cross page implementation Multi-selection </ title> <meta http-equiv = "content-type" Content = "text / html; charset = GB2312"> <style> * {font-size: 12px} #status {text-align: left} </ stop> <script language = "javascript"> Function addRemoveVALUES (OCHK) {/ / Target it in handling this place is that the value you save should be unique, so you will not replace the error.</p>
<p>if (oChk.checked) SelectMultiPage.HdnSelectedValues.value = "," oChk.value; elseSelectMultiPage.HdnSelectedValues.value = SelectMultiPage.HdnSelectedValues.value.replace ( "," oChk.value, "");} </ script> </ HEAD> <BODY> <form id = "SelectMultiPage" runat = "server"> <asp: datagrid id = "DataGrid1" HorizontalAlign = "Center" AutoGenerateColumns = "False" Width = "600px" AllowPaging = "True "runat =" server "> <AlternatingItemStyle BackColor =" # EEEEEE "> </ AlternatingItemStyle> <HeaderStyle BackColor =" # AAAADD "Font-Bold =" True "HorizontalAlign =" Center "> </ HeaderStyle> <PagerStyle HorizontalAlign =" Right "Mode =" NumericPages "Visible =" True "> </ PagerStyle> <Columns> <asp: TemplateColumn HeaderText =" select "> <ItemTemplate> <input type =" checkbox "runat =" server "id =" chkSelect " οnclick = "addremovevalues (this)" value = '<% # databinder.eval (container.dataitem, "title")%>' /> </ itemtemplate> <asp: templateColumn> <ask: templatecolumn headertext = article title "> <Itemtemplate> <asp: literal text = '<% # databinder.eval (container.dat) AITEM, "TITLE"%> 'Runat = "Server" id = "titleshow" /> </ itemtemplate> </ ask: templateColumn> <ask: templateColumn headertext = "Published"> <itemtemplate> <ask: Literal Text = '<<</p>
<p>% # DataBinder.eval (Container.DataItem, "Createdate"). Tostring ()%> 'Runat = "Server" /> </ itemtemplate> </ asp: templateColumn> </ columns> </ ask: DataGrid> <DIV Align = center> <ask = "Button1" runat = "server" text = "get selected value> </ asp: button> <div id =" status "> <ask: label id =" label1 "Runat =" server "> </ asp: label> </ div> <input id =" hdnselectedvalues "type =" hidden "name =" hdnselectedVALUES "runat =" server "> </ div> </ form> </ BODY> </ HTML> 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; use system.web.ui; using system.web.ui.webcontrols; using system.web.ui.htmlcontrols; Namespace Emeng.exam {/// <summary> /// selectmultipages Summary Description.</p>
<p>/// </ summary> 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; (! Page.IsPostBack) private void Page_Load (object sender, System.EventArgs e) {// Put user code to initialize the page here if 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 OLEDBDATADAPTER (" Select Title, CreateDate from Document "; DataSet DS = New DataSet (); da.fill DS); DataGrid1.datasource = DS; dataGrid1.database ();} private void DataGrid1_itemdatabase (object sender, system.web.ui.webcontrols.DataGriditeMeventArgs e) {// Re-display selected IF (E.Item.itemType == ListItemType.Item || E.Item.itemType == ListItemType.alternatingItem) {if (hdnselectedvalues.value.indexof ((Litral) E.Item.cells [1]. . FindControl ( "TitleShow")) Text)> = 0) {HtmlInputCheckBox ChkSelected = (HtmlInputCheckBox) (e.Item.Cells [0] .FindControl ( "ChkSelect")); ChkSelected.Checked = true;}}} private void Button1_click (ibject sender, system.eventAndargs e) {// For easy replacement of Label1.Text = HDNSelectedVALUES.VALUE.REPLACE (",", "<l>");} #Region Web Form Designer Generation Code Override Protected Void OnNit (Eventargs E) {/// Codegen: This call is required for the ASP.NET Web Form Designer.</p></div><div class="text-center mt-3 text-grey">
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