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因為項目中只能用.net 1.1,所以atlas是用不了了,只能玩玩AjaxProfession.net, 下面是一個查詢的案例。 在頁面上放置一個DataGrid1,各種查詢結果均放入其中,在client端的JS中將SQL語句傳給server端的方法,執行一個查詢,並可以控制雙擊行是否展開一個新的查詢。可將DataGrid1的內容導出到excel中、模擬gmail的Ajax的loading運用
using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using System.Data.SqlClient; using System.IO; namespace eol { /**//// <summary> /// index 的摘要描述。 /// </summary> public class index : System.Web.UI.Page { protected System.Web.UI.WebControls.TextBox TextBox1; protected WebControlLibrary.InputCalendar startTime; protected WebControlLibrary.InputCalendar endTime; protected WebControlLibrary.InputCalendar pStartTime; protected WebControlLibrary.InputCalendar pEndTime; protected System.Data.SqlClient.SqlConnection Conn=new SqlConnection(); protected System.Web.UI.WebControls.TextBox eformsn; protected System.Web.UI.WebControls.Label Label1; protected System.Web.UI.WebControls.DataGrid DataGrid1=new DataGrid(); protected System.Web.UI.WebControls.Button Button2; protected System.Web.UI.HtmlControls.HtmlInputText applicant; public string toExcel; private void Page_Load(object sender, System.EventArgs e) { AjaxPro.Utility.RegisterTypeForAjax(typeof(eol.index)); }
public DataSet DB(string dataName, string sqlCmd) { string connStr="server=172.16.0.120;uid=msikdb;pwd=dbmsik;database="+dataName; Conn.ConnectionString=connStr; try { Conn.Open(); } catch(Exception ex) { Conn.Close(); Response.Write(ex.Message); } SqlCommand cmd=new SqlCommand(sqlCmd, Conn); SqlDataAdapter da=new SqlDataAdapter(); da.SelectCommand=cmd; DataSet ds = new DataSet(); da.Fill(ds); Conn.Close(); return ds; }
Web Form 設計工具產生的程式碼#region Web Form 設計工具產生的程式碼 override protected void OnInit(EventArgs e) { // // CODEGEN: 此為 ASP.NET Web Form 設計工具所需的呼叫。 // InitializeComponent(); base.OnInit(e); } /**//// <summary> /// 此為設計工具支援所必須的方法 - 請勿使用程式碼編輯器修改 /// 這個方法的內容。 /// </summary> private void InitializeComponent() { this.Conn = new System.Data.SqlClient.SqlConnection(); this.Button2.Click += new System.EventHandler(this.Button2_Click); this.DataGrid1.ItemCreated += new System.Web.UI.WebControls.DataGridItemEventHandler(this.getPageIndexStyle); this.Load += new System.EventHandler(this.Page_Load);
} #endregion
private void getPageIndexStyle(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) { if(e.Item.ItemType == ListItemType.Pager) { e.Item.Cells[0].Text="Total Row:"+this.DataGrid1.Items.Count.ToString(); } } [AjaxPro.AjaxMethod] public string AjaxData(string sSql, bool clientEvent) { if (clientEvent) { DataGrid1.ItemDataBound+=new DataGridItemEventHandler(DataGrid1_ItemDataBound); } // DataGrid1.AllowPaging=true; // DataGrid1.PagerStyle.Position=PagerPosition.Top; // DataGrid1.PagerStyle.Mode=PagerMode.NumericPages; // DataGrid1.ItemCreated+=new DataGridItemEventHandler(getPageIndexStyle); DataGrid1.DataSource=DB("query",sSql); DataGrid1.HeaderStyle.BackColor=System.Drawing.Color.Blue; DataGrid1.Width=Unit.Percentage(100); DataGrid1.HeaderStyle.ForeColor=System.Drawing.Color.White; DataGrid1.DataBind(); System.Text.StringBuilder sb=new System.Text.StringBuilder(); System.IO.StringWriter sw=new System.IO.StringWriter(sb); System.Web.UI.HtmlTextWriter htw=new HtmlTextWriter(sw); this.DataGrid1.RenderControl(htw); string s=sb.ToString().Replace(" 上午 12:00:00", ""); this.toExcel=s; Session["txtExcel"]=s; return s; } public void setToExcel() { //下面這行很重要,attachment 參數表示作為附件下載,您可以改成online在線打開 //filename=FileFlow.xls 指定輸出文件的名稱,注意其擴展名和指定文件類型相符,可以為:.doc .xls .txt .htm Response.AppendHeader("Content-Disposition","attachment;filename=EOL_"+eformsn.Text+".xls"); Response.ContentEncoding=System.Text.Encoding.GetEncoding("big5"); //Response.ContentType指定文件類型 可以為application/ms-excel,application/ms-word ,application/ms-txt,application/ms-html或其他瀏覽器可直接支持文檔 Response.ContentType = "application/ms-excel";
Response.Write(this.toExcel); Response.Write(Session["txtExcel"]); Session.Abandon(); Response.End(); }
private void Button2_Click(object sender, System.EventArgs e) { setToExcel(); }
private void DataGrid1_ItemDataBound(object sender, DataGridItemEventArgs e) { ListItemType itemtype=(ListItemType)e.Item.ItemType; if (itemtype!=ListItemType.Header && itemtype!=ListItemType.Footer && itemtype!=ListItemType.Separator) { e.Item.Attributes.Add("ondblclick", "showDetail("+e.Item.Cells[1].Text+");"); e.Item.Attributes.Add("onmouseover","this.className='mouseOn'"); e.Item.Attributes.Add("onmouseout", "this.className=''"); } }
} } Client端的js: <script language="javascript"> var obj=document.all; var frm=document.forms[0]; var box=document.getElementById("detail"); var list=document.getElementById("datagrid");
if(typeof ASP == "undefined") ASP={}; ASP.LoadingDemo_class = function() {}; Object.extend(ASP.LoadingDemo_class.prototype, Object.extend(new AjaxPro.AjaxClass(), { LongOperation: function() { return this.invoke("LongOperation", {}, this.LongOperation.getArguments().slice(0)); }, url: '/ajaxpro/ASP.LoadingDemo,App_Web_t_mu_tej.ashx' })); ASP.LoadingDemo = new ASP.LoadingDemo_class();
var c = 0; AjaxPro.onLoading = function(b) { c++; window.status = c; var l = document.getElementById("loadinfo"); l.style.visibility = b ? "visible" : "hidden"; l.style.right=0; l.style.pixelTop=document.body.scrollTop; }
function showDetail(n) { c = 0; ASP.LoadingDemo.LongOperation(new Function('getEolByeFormsn('+n+')')); }
function getDataGrid(sql,Event) { if(list.style.display=='none') { list.style.display=''; } box.style.display=='' ? box.style.display='none':void(0); var p=eol.index.AjaxData(sql, Event).value; list.innerHTML=p; }
function getEolByeFormsn(n) { if (box.style.display=="none") { box.style.display=""; box.innerHTML="<div id='toolbar'><div id='btnGoback' onclick='goBack()'><img src=http://172.16.0.134/webflow/images/cch.gif>GO BACK</div></div>" } list.style.display="none"; var p=eol.index.AjaxData("select * from msi_eol_list_line t where eformsn="+n, false).value; box.innerHTML+=p; }
window.onload=function () { box.style.display="none"; list.style.display="none"; document.getElementById("btnQuery").onclick=whenQuery; document.getElementById("btnToexcel").style.visibility="hidden"; document.getElementById("btnHelp").onclick=getHelp; } function goBack() { box.style.display='none'; list.style.display=''; } function whenQuery() { var type=document.getElementById("types"); var err=time=param=''; var sql="select distinct (select Count(eformsn) from query.dbo.msi_eol_list_line where eformsn=w.eformsn) Line, w.* from (select eFormsn, Cast(Apply_Date as datetime) as ApplyDate, Applicant, LOB, Cast(p_date as datetime) as PendingDate, 'process' as Status from webflow.dbo.tb_326_1 union select eformsn, Cast(apply_date as datetime), applicant, lob, Cast(p_date as datetime), 'over' as Status from webflowdata.dbo.tb_326_1 where flowendstatus='E') w inner join query.dbo.msi_eol_list_line as e on w.eformsn=e.eformsn where (w.eformsn=e.eformsn) "; switch (type.value) { case "eformsn": if (frm.eformsn.value!='') { param="and e.eformsn='"+frm.eformsn.value+"'"; }else{ err="請輸入申請單號.!" } break; case "applytime": if (frm.startTime.value=='' && frm.endTime.value=='') { err="請輸入申請起止時間"; } break; case "applicant": if (frm.applicant.value!="") { param+="and e.applicant='"+frm.applicant.value+"' order by w.ApplyDate"; }else{ err='請輸入申請者中文名'; } break; case "lob": if (frm.lob.value!="") { param="and w.lob='"+frm.lob.value+"'"; }else{ err="請輸入LOB"; } break; case "pendingtime": if (frm.pStartTime.value!="" && frm.pEndTime.value!=""){ param=" and w.PendingDate between cast('"+frm.pStartTime.value+"' as datetime) and cast('"+frm.pEndTime.value+"' as datetime) order by w.PendingDate"; }else{ err="請輸入Pending Time"; } break; case "model": if (frm.model.value!=''){ frm.startTime.value=frm.endTime.value=''; sql=''; param="select distinct (select count(model) from query.dbo.msi_eol_list_line where model=e.model) Total, eFormsn, Model, Applicant, LOB, Cast(Creation_date as datetime) as ApplyDate, Cast(pending_date as datetime) as PendingDate, (select Status from (select eFormsn, 'process' as Status from webflow.dbo.tb_326_1 union select eformsn, 'over' as Status from webflowdata.dbo.tb_326_1 where flowendstatus='E') as w where w.eformsn=e.eformsn) as Status from query.dbo.msi_eol_list_line as e where e.model='"+frm.model.value+"' group by Model, Applicant, LOB, Creation_date, Pending_Date, eformsn"; }else{ err="請輸入Model"; } break; } if (err=='') { if (frm.startTime.value!='' && frm.endTime.value!='') { time="and ApplyDate between Cast('"+frm.startTime.value+"' as datetime) and Cast('"+frm.endTime.value+"' as datetime) "; }
sql+=time+param; //document.write(sql); c = 0; ASP.LoadingDemo.LongOperation(new Function('getDataGrid("'+sql+'",true)')); }else{ alert(err); } }
var oPopup = window.createPopup(); function getHelp() { var oPopupBody = oPopup.document.body; var lefter = screen.width-150; var topper = document.body.scrollTop; oPopupBody.innerHTML = helpbox.innerHTML; oPopup.show(lefter, topper, 280, document.body.offsetHeight, document.body); document.body.onmouseup = new Function("oPopup.hide();"); } </script>
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