Data source structure
http://blog.9cbs.net/lovecherry/archive/2005/03/24/328455.aspx
Table DEP: Dep IndID (Identification Primary Key), DepName (College Name) Table Stu: Stuid (Logo Primary Key), Stuname (Student Name), StudiePid (College ID = Table Dep.DepID) Front Desk: <% @ page language = "c #" Codebehind = "Webform30.aspx.cs" autoeventwireup = "false" inherits = "9cbs.webform30"%>
WebForm30 </ title> <meta name = "GENERATOR" Content = "Microsoft Visual Studio .NET 7.1"> <meta name = "CODE_LANGUAGE" Content = "C #"> <meta name = "vs_defaultClientScript" content = "JavaScript > <Link href = "css.css" rel = "stylesheet" type = "text / css"> <meta name = "vs_targetschema" content = "http://schemas.microsoft.com/intellisense/ie5> < / Head> <body ms_positioning = "gridLayout> <form id =" form1 "method =" post "runat =" server "> </ form> </ body> </ html> background: use system; using system.collections ; using System.ComponentModel; using System.Data; using System.Data.SqlClient; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls Using system.Web.ui.htmlcontrols;</p>
<p>Namespace 9CBS {/// <summary> /// WebForm 30 summary description. /// </ summary> public class Webform30: system.Web.ui.page {dataGrid DataGrid1 = new dataGrid (); private void page_load (Object sender, system.eventargs e) {// Place user code here to initialize page CreateDataGrid ();} protected void CreateDataGrid () {DataGrid1.AutoGenerateColumns = false; DataGrid1.CssClass = "border"; DataGrid1.BorderWidth = 0; DataGrid1.CellSpacing = 1; DataGrid1.CellPadding = 5; DataGrid1.ItemStyle.CssClass = "item"; DataGrid1.HeaderStyle.CssClass = "header"; DataGrid1.DataKeyField = "stuid"; // set above DataGrid style TemplateColumn tm = new TemplateColumn (); tm.ItemTemplate = new ColumnTemplate1 (); tm.HeaderText = "name"; DataGrid1.Columns.Add (tm); // create the first template column TemplateColumn tm2 = new TemplateColumn (); tm2.ItemTemplate = new ColumnTemplate2 (); tm2.HeaderText = "College"; DataGrid1.Columns .Add (tm2); // Establish a second template column ButtonColumn bc = new buttoncolumn (); bc.buttontype = buttoncolumnpe.pushbutton; bc.commandname = "del"; bc.Text = "Delete"; DataGrid1.columns. Add (bc); // Establish a delete button column setbind (); // fill data Page.Controls [1] .Controls.Add (DataGrid1); // this is added to the page of the form DataGrid1} protected void SetBind () {SqlConnection conn = new SqlConnection (System.Configuration.ConfigurationSettings.AppSettings [ "conn"]); Sqldataadapter Da = New SqlDataAdapter ("Select * from stu, depth where stu.studepid = dep.depid", conn); DataSet DS = new dataset (); da.fill (DS, "Table1"); this.dataGrid1.datasource = DS.TABLES ["Table1"]; this.DataGrid1.database ();</p>
<p>Private Void DataGrid1_itemdatabase (Object Sender, System.Web.ui.WebControls.DataGriditeMeventargs E) {// The code in the example given above is the same, to the drop-down box, and select the default SQLConnection conn = new SqlConnection System.configuration.configurationSettingS.AppSettings ["conn"]); SqlDataAdapter Da = New SqlDataAdapter ("Select * from dep", conn); DataSet DS = New DataSet (); DA.FILL (DS, "Table1"); if (E.Item.itemType == ListiteMType.Item || E.Item.itemType == ListItemType.alternatingItem) {DropDownList DDL = (DropDownList) E.Item.findControl ("dep"); ddl.datasource = DS.TABLES [ "table1"]; ddl.datatextfield = "depname"; ddl.datavaluefield = "depid"; ddl.database (); ddl.items.FindByvalue (Convert.TOSTRING (DatabaseM.DataItem, "depid" .))) Selected = true;}} private void DataGrid1_ItemCommand (object source, System.Web.UI.WebControls.DataGridCommandEventArgs e) {if (e.CommandName == "del") {SqlConnection conn = new SqlConnection (System.Configuration .ConfigurationSettings.Appsettings ["conn"]); SQLCommand Comm = New Sqlcommand ("delete from stu where stuid = @ id", conn); sqlparameter parm1 = new sqlparameter ("@ id", sqldbtype.int); parm1.value = this.DataGrid1.DataKeys [E.Item.itemindex ]; Comm.Parameters.Add (PARM1); conn.open (); Comm.ExecutenonQuery (); conn.close (); setbind ();}}</p>
<p>#Region Web Form Designer Generated Code Override Protected Void OnNit (Eventargs E) {// // Codegen: This call is required for the ASP.NET Web Form Designer. // InitializeComponent (); base.onit (e);} /// <summary> /// Designer Supports the required method - Do not use the code editor to modify the // / this method. /// </ summary> private void InitializeComponent () {this.Load = new System.EventHandler (this.Page_Load); this.DataGrid1.ItemDataBound = new System.Web.UI.WebControls.DataGridItemEventHandler (this.DataGrid1_ItemDataBound) This.DataGrid1.itemCommand = new system.Web.ui.WebControls.dataGridCommandeventhandler (this.dataGrid1_itemmand); // Here's two events don't forget, because DataGrid is created in the background, these events need to write themselves , vs.net} is not created for you #endregion} public class ColumnTemplate1: ITemplate {// first column template public void InstantiateIn (Control container) {LiteralControl l = new LiteralControl (); l.DataBinding = new EventHandler (this.ondatabase); // Data Bind Container.Controls.Add (L); / / Add LiteralControl} for template columns</p>
<p>public void OnDataBinding (object sender, EventArgs e) {LiteralControl l = (LiteralControl) sender; // LiteralControl send a binding request DataGridItem container = (DataGridItem) l.NamingContainer; l.Text = ((DataRowView) container.DataItem) [ " Stuname "]. TOSTRING (); // Binding stuname field}}</p>
<p>public class ColumnTemplate2: ITemplate {// second template column public void InstantiateIn (Control container) {DropDownList dpl = new DropDownList (); dpl.ID = "dep"; container.Controls.Add (dpl); // add a ID = "Dep" drop-down box, data is bound in the DataGrid ItemDatabase}}</p></div><div class="text-center mt-3 text-grey">
转载请注明原文地址:https://www.9cbs.com/read-42650.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="42650" 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>0.031</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 = '6cvH0BTgsZdSJeL0LRWO2XX3sc87kdRo4zRE_2FMIMcOBKWqyEVTM9QMxXPdfcIRIhUpKrDlKADest0rqiGzrsQg_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>
