1. 打开新的窗口并传送参数: W>`#`u
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传送参数:
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response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") yS(tF`H[
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接收参数: qluaop
string a = Request.QueryString("id"); viR-h
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string b = Request.QueryString("id1"); 2:& [r*
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2.为按钮添加对话框 $WK~|+"{>
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); z8hAZ?r1`
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") B":u5_B
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3.删除表格选定记录 0^rDf
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int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; t.WWahNyY
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() %{M&"M v
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4.删除表格记录警告 )s4a<Sc]
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) ,BG
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switch(e.Item.ItemType) MUd
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{ EAM2t|MG.
case ListItemType.Item : x>=8~wIK
case ListItemType.AlternatingItem : ..hD_k
case ListItemType.EditItem: T.p:`}Ma
TableCell myTableCell;
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myTableCell = e.Item.Cells[14]; J 4OgV?
LinkButton myDeleteButton ; {y
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myDeleteButton = (LinkButton)myTableCell.Controls[0]; c$HZvv
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); s5'So@L8
break; Xm!;
default: i5 F9*
break; _YgvLz
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} |}>;wZ[7
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} !3'&_vmG$
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5.点击表格行链接另一页 `<:D.9vO "
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) I6E!$}
{ !DUC#)F
//点击表格打开 Hs~u&c
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) NXw$PM|+R
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); g$j ZpU
} E}WO?xxv74
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双击表格连接到另一页 h!L6NS_Q,
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在itemDataBind事件中 4D-4BxN*
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) }}'0r2S
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string OrderItemID =e.item.cells[1].Text; (NBq!;_2,x
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e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); .s!qf!{V`
} eBW=bK~[VP
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双击表格打开新一页 ?A4t
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if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) `Mxi2Y{vp
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string OrderItemID =e.item.cells[1].Text; a!US:^}lu
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e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
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} ZCbnDj
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★特别注意:【?id=】 处不能为 【?id =】 cKKl\g@}
6.表格超连接列传递参数 lp;=f
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ D!oELZ3
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> #, KjJ
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7.表格点击改变颜色 Lh(`9(tX
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) cj!Ew}o40D
{ g}B|ZRz+{
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; @m=xCg.Z
this.style.color=’buttontext’;this.style.cursor=’default’;"); b&V}&9'[M;
} I;<aJo6Yl
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写在DataGrid的_ItemDataBound里 sX~
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if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) m%bw$hr
{ 7:D@6<J?
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; >; A7mi/
this.style.color=’buttontext’;this.style.cursor=’default’;"); u#l@:p
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); 8sG0HI$f+
} rIE
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8.关于日期格式 VHlN;6Qlff
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日期格式设定 n!B*n(;!u
DataFormatString="{0:yyyy-MM-dd}" H^c8r^#
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我觉得应该在itembound事件中 ;=FSpZ@
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) d/k70Ybk
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9.获取错误信息并到指定页面 [JY 1| N
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不要使用Response.Redirect,而应该使用Server.Transfer 8"zFTP*;u
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// in global.asax _U"9#<
protected void Application_Error(Object sender, EventArgs e) { Whd2mKwiO
if (Server.GetLastError() is HttpUnhandledException) H7xyK
Server.Transfer("MyErrorPage.aspx"); uq>\pO&P
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) QyGTm"9l
} GYX/G>-r
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Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 fU )@Lj1Wo
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10.清空Cookie ?J<V-,i
Cookie.Expires=[DateTime]; :q.g#:1s
Response.Cookies("UserName").Expires = 0 tR,&|?0
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11.自定义异常处理 <R TAO2
//自定义异常处理类 @nuMl5C-`
using System; PE IUKlX
using System.Diagnostics; ya<nD '%9
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namespace MyAppException JFyw,p&xB
{ {*Ag[HS0u
/// <summary> Gd:TM]rJ
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 F.s*^}L[
/// 自动将异常内容记录到Windows NT/2000的应用程序日志
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/// </summary> ^Lx(if
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public class AppException:System.ApplicationException _NfdJ=[Xh
{ \lJCBb+k
public AppException() 6z6\-45
{ zT\nj&7
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); [p+]H?(A
} [IF5Iv\b
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public AppException(string message) < )dqv0=
{ J-6l<%962%
LogEvent(message); 3N(5V;ti
} 4@b~)av)
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public AppException(string message,Exception innerException) (Q_J{[F
{ ;
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LogEvent(message); b"lzR[X,e
if (innerException != null) WR a4g
{ m44"qp
LogEvent(innerException.Message); XB8g5AxR
} ^dR="N
} >9Yo:b:f
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//日志记录类 N-0kB vo
using System; (;9-8Y&_