asp net常用代码汇集

常用代码汇集1.//弹出对话框.点击转向指定页面Response.Write("scriptwindow.alert('该会员没有提交申请,请重新提交！')/script");Response.Write("scriptwindow.location=');2.//弹出对话框Response.Write("scriptlanguage='javascript'alert('产品添加成功！')/script");3.//删除文件CODE:stringfilename="20059595157517.jpg";pub.util.DeleteFile(HttpContext.Current.Server.MapPath("../file/")+filename);4.//绑定下拉列表框datalistSystem.Data.DataViewdv=conn.Exec_ex("select-1ascode,'请选择经营模式'ascontentfromdealinunionselectcode,contentfromdealin");this.dealincode.DataSource=dv;this.dealincode.DataTextField="content";this.dealincode.DataValueField="code";this.dealincode.DataBind();this.dealincode.Items.FindByValue(dv[0]["dealincode"].ToString()).Selected=true;5.//时间去秒显示%#System.DateTime.Parse(DataBinder.Eval(Container.DataItem,"begtime").ToString()).ToShortDateString()%标题带链接%#"aclass=\"12c\"target=\"_blank\"href=\"(Container.DataItem,"procode")+".html\""+DataBinder.Eval(Container.DataItem,"proname")+"/a"%7.//修改转向%#"Ahref=\"editpushpro.aspx?id="+DataBinder.Eval(Container.DataItem,"code")+"\""+"修改"+"/A"%8.//弹出确定按钮%#"Aid=\"btnDelete\"onclick=\"returnconfirm('你是否确定删除这条记录吗?');\"href=\"pushproduct.aspx?dl="+DataBinder.Eval(Container.DataItem,"code")+"\""+"删除"+"/A"%9.//输出数据格式化{0:F2}是格式F2表示小数点后剩两位%#DataBinder.Eval(Container,"DataItem.PriceMoney","{0:F2}")%10.//提取动态网页内容Uriuri=newUri(");WebRequestreq=WebRequest.Create(uri);WebResponseresp=req.GetResponse();Streamstr=resp.GetResponseStream();StreamReadersr=newStreamReader(str,System.Text.Encoding.Default);stringt=sr.ReadToEnd();this.Response.Write(t.ToString());11.//获取.后面的字符i.ToString().Trim().Substring(i.ToString().Trim().LastIndexOf(".")+1).ToLower().Trim()打开新的窗口并传送参数：传送参数：response.write("＜script＞window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)＜/script＞")接收参数：stringa=Request.QueryString("id");stringb=Request.QueryString("id1");12.为按钮添加对话框Button1.Attributes.Add("onclick","returnconfirm(’确认?’)");button.attributes.add("onclick","if(confirm(’areyousure...?’)){returntrue;}else{returnfalse;}")13.删除表格选定记录intintEmpID=(int)MyDataGrid.DataKeys[e.Item.ItemIndex];stringdeleteCmd="DeletefromEmployeewhereemp_id="+intEmpID.ToString()14.删除表格记录警告privatevoidDataGrid_ItemCreated(Objectsender,DataGridItemEventArgse){switch(e.Item.ItemType){caseListItemType.Item:caseListItemType.AlternatingItem:caseListItemType.EditItem:=e.Item.Cells[14];LinkButtonmyDeleteButton;myDeleteButton=(LinkButton)myTableCell.Controls[0];myDeleteButton.Attributes.Add("onclick","returnconfirm(’您是否确定要删除这条信息’);");break;default:break;}}15.点击表格行链接另一页privatevoidgrdCustomer_ItemDataBound(objectsender,System.Web.UI.WebControls.DataGridItemEventArgse){//点击表格打开if(e.Item.ItemType==ListItemType.Item||e.Item.ItemType==ListItemType.AlternatingItem)e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id="+e.Item.Cells[0].Text+"’);");}双击表格连接到另一页在itemDataBind事件中if(e.Item.ItemType==ListItemType.Item||e.Item.ItemType==ListItemType.AlternatingItem){stringorderItemID=e.item.cells[1].Text;e.item.Attributes.Add("ondblclick","location.href=’../ShippedGrid.aspx?id="+orderItemID+"’");}双击表格打开新一页if(e.Item.ItemType==ListItemType.Item||e.Item.ItemType==ListItemType.AlternatingItem){stringorderItemID=e.item.cells[1].Text;e.item.Attributes.Add("ondblclick","open(’../ShippedGrid.aspx?id="+orderItemID+"’)");}16.表格超连接列传递参数＜asp:HyperLinkColumnTarget="_blank"headertext="ID号"DataTextField="id"NavigateUrl="aaa.aspx?id=’＜%#DataBinder.Eval(Container.DataItem,"数据字段1")%＞’&name=’＜%#DataBinder.Eval(Container.DataItem,"数据字段2")%＞’/＞17.表格点击改变颜色if(e.Item.ItemType==ListItemType.Item||e.Item.ItemType==ListItemType.AlternatingItem){e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;this.style.color=’buttontext’;this.style.cursor=’default’;");}写在DataGrid的_ItemDataBound里(e.Item.ItemType==ListItemType.Item||e.Item.ItemType==ListItemType.AlternatingItem){e.Item.Attributes.Add("onmouseover","this.style.backg