Implement DataGrid cross-page multi-selection

xiaoxiao2021-04-07  310

Selectmultipages.aspx

-------------------------------------------------- ---------------------------------------------

<% @ Page enableviewState = "true" codebehind = "selectmultipages.aspx.cs" language = "c #"

Autoeventwireup = "false" inherits = "eMeng.exam.selectmultipages"%>

Cross page implementation multiple selection </ Title></p> <p><Meta http-equiv = "content-type" content = "text / html; charSet = GB2312"></p> <p><style></p> <p>* {Font-size: 12px}</p> <p>#Status {text-align: left}</p> <p></ style></p> <p><script language = "javascript"></p> <p>Function addRemovevalues ​​(OCHK) {</p> <p>// Target it in handling this place is that the value you saved should be unique, so that the error will be replaced.</p> <p>IF (Ochk.checked)</p> <p>SelectMultiPage.HDNSelectedValues.Value = ", Ochk.Value;</p> <p>Else</p> <p>SelectMultiPage.HdnseLectedValues.Value = SelectMultipage.HDNSElectedVALUES.VALUE.REPLACE ("," Ochk.Value, "");</p> <p>}</p> <p></ script></p> <p></ HEAD></p> <p><Body></p> <p><form id = "selectmultipage" runat = "server"></p> <p><ask: DATAGRID ID = "DataGrid1" horizontalalign = "center" autogeneratecolumns = "false" width = "600px"</p> <p>AllowPaging = "true" runat = "server"></p> <p><AlternatingItemStyle BackColor = "# eeeeee"> </ alternatingItemStyle></p> <p><Headerstyle backcolor = "# aaaadd" font-bold = "true" horizontalalign = "center"> </ headerstyle></p> <p><Pagerstyle Horizontalalign = "Right" Mode = "NumericPages" Visible = "true"> </ pageerstyle></p> <p><Columns></p> <p><ask: templatecolumn headertext = "Select"></p> <p><Itemtemplate></p> <p><Input Type = "Checkbox" runat = "server" id = "chkselect" οnclick = "addremovevalues ​​(tris)"</p> <p>Value = '<% # DataBinder.eval (Container.DataItem, "OrderID")%>' /></p> <p></ Itemtemplate></p> <p></ asp: templateColumn></p> <p><asp: templatecolumn headertext = "Article Title"></p> <p><Itemtemplate></p> <p><asp: literal text = '<% # databinder.eval (container.DataItem, "OrderID")%>' Runat = "server" id = "titleshow" /></p> <p></ Itemtemplate></p> <p></ asp: templateColumn></p> <p><asp: templatecolumn headertext = "Published"></p> <p><Itemtemplate></p> <p><asp: literal text = '<% # databinder.eval (container.DataItem, "Customerid"). Tostring ()%> Runat = "server" /></p> <p></ Itemtemplate></p> <p></ asp: templateColumn></p> <p></ Columns></p> <p></ ask: DataGrid></p> <p><div align = center></p> <p><asp: button id = "button1" runat = "server" text = "Get selected value"> </ asp: button></p> <p><div id = "status"></p> <p><asp: label id = "label1" runat = "server"> </ asp: label></p> <p></ div></p> <p><Input id = "hdnselectedVALUES" type = "hidden" name = "hdnselectedVALUES" runat = "server"></p> <p></ div></p> <p></ form></p> <p></ Body></p> <p></ html></p> <p>SelectMultipalPages.aspx.cs</p> <p>-------------------------------------------------- ------------------------------------------------</p> <p>Using system;</p> <p>Using system.collections;</p> <p>Using system.componentmodel;</p> <p>Using system.data;</p> <p>Using system.drawing;</p> <p>Using system.Web;</p> <p>Using system.Web.SessionState; Using System.Web.ui;</p> <p>Using system.Web.ui.webcontrols;</p> <p>Using system.Web.ui.htmlcontrols;</p> <p>Using system.data.sqlclient;</p> <p>Summary description of Namespace Emeng.exam {/// <summary> /// selectmultipages. /// </ 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;</p> <p>private void Page_Load (object sender, System.EventArgs e) {// Put user code to initialize the page here if BindData () (Page.IsPostBack!);} private void DataGrid1_PageIndexChanged (object source, DataGridPageChangedEventArgs e) {DataGrid1.CurrentPageIndex = E.NewpageIndex; binddata ();</p> <p>void BindData () {SqlConnection Conn = new SqlConnection ( "server = .; database = northwind; uid = sa"); SqlDataAdapter da = new SqlDataAdapter ( "Select orderid, customerid from orders", Conn); DataSet ds = new DataSet ( ); Da.fill (ds); DataGrid1.datasource = DS; DATAGRID1.DATABIND ();</p> <p>private void DataGrid1_ItemDataBound (object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) {// if re-display the selected item (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) {// order to facilitate the replacement of the display Label1.Text = HdnSelectedValues. Value.Replace (",", "<li>");} #Region Web Form Designer Generated Code Override Protected Void OnNit (Eventargs E) {// // Codegen: This call is an ASP.NET web form Designer is required. // InitializeComponent (); base.oninit (e);</p> <p>/// <summary> /// Designer supports the required method - do not use the code editor to modify the // / this method. /// </ summary> 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);</p> <p>} #Endregion</p> <p>}</p></div><div class="text-center mt-3 text-grey"> 转载请注明原文地址:https://www.9cbs.com/read-132469.html</div><div class="plugin d-flex justify-content-center mt-3"></div><hr><div class="row"><div class="col-lg-12 text-muted mt-2"><i class="icon-tags mr-2"></i><span class="badge border border-secondary mr-2"><h2 class="h6 mb-0 small"><a class="text-secondary" href="tag-2.html">9cbs</a></h2></span></div></div></div></div><div class="card card-postlist border-white shadow"><div class="card-body"><div class="card-title"><div class="d-flex justify-content-between"><div><b>New Post</b>(<span class="posts">0</span>) </div><div></div></div></div><ul class="postlist list-unstyled"> </ul></div></div><div class="d-none threadlist"><input type="checkbox" name="modtid" value="132469" checked /></div></div></div></div></div><footer class="text-muted small bg-dark py-4 mt-3" id="footer"><div class="container"><div class="row"><div class="col">CopyRight © 2020 All Rights Reserved </div><div class="col text-right">Processed: <b>0.056</b>, SQL: <b>9</b></div></div></div></footer><script src="./lang/en-us/lang.js?2.2.0"></script><script src="view/js/jquery.min.js?2.2.0"></script><script src="view/js/popper.min.js?2.2.0"></script><script src="view/js/bootstrap.min.js?2.2.0"></script><script src="view/js/xiuno.js?2.2.0"></script><script src="view/js/bootstrap-plugin.js?2.2.0"></script><script src="view/js/async.min.js?2.2.0"></script><script src="view/js/form.js?2.2.0"></script><script> var debug = DEBUG = 0; var url_rewrite_on = 1; var url_path = './'; var forumarr = {"1":"Tech"}; var fid = 1; var uid = 0; var gid = 0; xn.options.water_image_url = 'view/img/water-small.png'; </script><script src="view/js/wellcms.js?2.2.0"></script><a class="scroll-to-top rounded" href="javascript:void(0);"><i class="icon-angle-up"></i></a><a class="scroll-to-bottom rounded" href="javascript:void(0);" style="display: inline;"><i class="icon-angle-down"></i></a></body></html><script> var forum_url = 'list-1.html'; var safe_token = 'gMyHQqurN4xZ6Y0keL_2FXQDvUkSXOjMoo8a3YcvJ5EC1a8KXVS0v6YEdQEmtaq4F0zjGxMLkpNtdtkOI6e7Pjdg_3D_3D'; var body = $('body'); body.on('submit', '#form', function() { var jthis = $(this); var jsubmit = jthis.find('#submit'); jthis.reset(); jsubmit.button('loading'); var postdata = jthis.serializeObject(); $.xpost(jthis.attr('action'), postdata, function(code, message) { if(code == 0) { location.reload(); } else { $.alert(message); jsubmit.button('reset'); } }); return false; }); function resize_image() { var jmessagelist = $('div.message'); var first_width = jmessagelist.width(); jmessagelist.each(function() { var jdiv = $(this); var maxwidth = jdiv.attr('isfirst') ? first_width : jdiv.width(); var jmessage_width = Math.min(jdiv.width(), maxwidth); jdiv.find('img, embed, iframe, video').each(function() { var jimg = $(this); var img_width = this.org_width; var img_height = this.org_height; if(!img_width) { var img_width = jimg.attr('width'); var img_height = jimg.attr('height'); this.org_width = img_width; this.org_height = img_height; } if(img_width > jmessage_width) { if(this.tagName == 'IMG') { jimg.width(jmessage_width); jimg.css('height', 'auto'); jimg.css('cursor', 'pointer'); jimg.on('click', function() { }); } else { jimg.width(jmessage_width); var height = (img_height / img_width) * jimg.width(); jimg.height(height); } } }); }); } function resize_table() { $('div.message').each(function() { var jdiv = $(this); jdiv.find('table').addClass('table').wrap('<div class="table-responsive"></div>'); }); } $(function() { resize_image(); resize_table(); $(window).on('resize', resize_image); }); var jmessage = $('#message'); jmessage.on('focus', function() {if(jmessage.t) { clearTimeout(jmessage.t); jmessage.t = null; } jmessage.css('height', '6rem'); }); jmessage.on('blur', function() {jmessage.t = setTimeout(function() { jmessage.css('height', '2.5rem');}, 1000); }); $('#nav li[data-active="fid-1"]').addClass('active'); </script>