1. 打开新的窗口并传送参数: b3H;Ea?^^<
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传送参数: <:w7^m
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") ^.Q),{%Xo
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接收参数: y5I7pbe
string a = Request.QueryString("id"); :gXj($
string b = Request.QueryString("id1"); _+i-)
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2.为按钮添加对话框 u CXd%
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Button1.Attributes.Add("onclick","return confirm(’确认?’)"); ]@EjKgs
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") =0S7tNut
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3.删除表格选定记录 u|E,Wy1
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; 4p]Y`];U
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() M6>l%[
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4.删除表格记录警告 w jF\>
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) `#hy'S:e
{ w[XW>4xK
switch(e.Item.ItemType) #AHIlUH"m
{ H={,zZ11{
case ListItemType.Item : rqIt}(J
case ListItemType.AlternatingItem : Z(s}
#-
case ListItemType.EditItem: a[/p(O
TableCell myTableCell; u[% #/
myTableCell = e.Item.Cells[14]; _+U`afV
LinkButton myDeleteButton ; *+G K?Ga
myDeleteButton = (LinkButton)myTableCell.Controls[0]; :?,&u,8
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); V:lDR20*\
break; wFe</U-';
default: wGB'c's*
break; -Bc.<pFqp
} \%K6T)9
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} *ULXJZ%
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5.点击表格行链接另一页 ~DSle 3
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) *]rV,\z:
{ U|>Js!$
//点击表格打开 up`6IWlLE
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) >+1bTt/-F
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); D=8=wT2<
} Gce![<|ph
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双击表格连接到另一页 |i|O9^*%
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在itemDataBind事件中 aW"BN 5eM>
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) }5A?WH_
{ !l}es4~.a
string OrderItemID =e.item.cells[1].Text; AojX)_"z
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e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); C 9DRVkjj
} !$O +M#
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双击表格打开新一页 wy7f7zIa
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) Alrk3I3{
{ oRCj]9I$
string OrderItemID =e.item.cells[1].Text; DCHU=r
... Er{yQIi0L
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); rx%lL
} lK{h%2A\b
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★特别注意:【?id=】 处不能为 【?id =】 ,Q^.SHP8
6.表格超连接列传递参数 rUlXx5f
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ Wu:evaZ:i
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> /W fpA\4S
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7.表格点击改变颜色 C}7Sh6
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) Qv#]T,
{ "zv?qS
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; =ove#3
this.style.color=’buttontext’;this.style.cursor=’default’;"); Lb(=:Z!{
} Fvg>>HVu
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写在DataGrid的_ItemDataBound里 :
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if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) |SCO9,Fs
{ Zhf+u
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e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; >Ka}v:E
this.style.color=’buttontext’;this.style.cursor=’default’;"); )A,MTi
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); L~>pSP^a
} (r.[b
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8.关于日期格式 |%Pd*yZA
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日期格式设定 z]K:Amp;Z
DataFormatString="{0:yyyy-MM-dd}" g6MK~JG$?h
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我觉得应该在itembound事件中 r761vtC#
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) C`Zz\DNG@
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9.获取错误信息并到指定页面 zr2oU '+
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不要使用Response.Redirect,而应该使用Server.Transfer bu$YW'
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e.g VB o=*gn,$
// in global.asax 0.!_k )tu
protected void Application_Error(Object sender, EventArgs e) { WWZ`RY
if (Server.GetLastError() is HttpUnhandledException) ].w~FUa
Server.Transfer("MyErrorPage.aspx"); "2# #Fcu=
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) *>
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} >cJf D9-<h
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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 gM>geWB<
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10.清空Cookie O%}?DiSl
Cookie.Expires=[DateTime]; wwUa+6?
Response.Cookies("UserName").Expires = 0 OXp(rJ*bK
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11.自定义异常处理 h9RL(Kq{
//自定义异常处理类 -aPRLHR
using System; eCFMWFhC
using System.Diagnostics; zl $mt'\y
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namespace MyAppException 2fN2!OT
{ sBm)D=Kll
/// <summary> A1g.ww:
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 [3 D*DyQt
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 Cg_9V4h.C
/// </summary> ?*LVn~y
public class AppException:System.ApplicationException y90wLU9f
{ J~}sQ{ 0
public AppException() )[wB:kG
{ 3Zdwt\OQ
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); 3LRBH+Tt
} Xrl# DN
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public AppException(string message) 7w\L<vFm
{ @B\$
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LogEvent(message); j[CXIz?c
} cS#yfN,
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public AppException(string message,Exception innerException) n{$! ]^>
{ rHiBW!
LogEvent(message); mRO@ZY;5
if (innerException != null) ;W{2\ Es
{ \&/V p`
LogEvent(innerException.Message); ULH<FDot
} O\F$~YQ
} = IJ}b=:
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//日志记录类 [nA1WFfM
using System; i0nu5kD+d
using System.Configuration; ;F|8#! (
using System.Diagnostics; 1z3>nou2{
using System.IO; x3:d/>b
using System.Text; )LAG$Cn
using System.Threading; *b7evU *1
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namespace MyEventLog #+&"m7
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{ }Qa
/// <summary> '>cZ7:
/// 事件日志记录类,提供事件日志记录支持 =%SH2kb
/// <remarks> %mAwK<MY`
/// 定义了4个日志记录方法 (error, warning, info, trace) J@A^k1B
/// </remarks> {ub'
/// </summary> {b|V;/
public class ApplicationLog yMEI^,0"
{ ka@yQ V
/// <summary> cJ\1ndBH
/// 将错误信息记录到Win2000/NT事件日志中 lWDSF]ZYV
/// <param name="message">需要记录的文本信息</param> iD.p KG
/// </summary> Z.`0
public static void WriteError(String message) D+u\ORj
{ 87F]a3
WriteLog(TraceLevel.Error, message); z))rk vL%
} =om<* \vsO
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/// <summary> EMPujik-
/// 将警告信息记录到Win2000/NT事件日志中 _yp<#q]
/// <param name="message">需要记录的文本信息</param> tkQrxa|
/// </summary> Yyw9IYB;
public static void WriteWarning(String message) ydMhb367|
{ zSjZTA/Z
WriteLog(TraceLevel.Warning, message); NtmmPJ|5
} {]%7-4E
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/// <summary> v%kl*K`*
/// 将提示信息记录到Win2000/NT事件日志中 V/xjI<