1. 打开新的窗口并传送参数: 7}gA0fP9
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传送参数: x<8\-
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") t9ER;.e
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接收参数: ggMUdlU
string a = Request.QueryString("id"); &Y 'z?N
string b = Request.QueryString("id1"); sc<kiL
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2.为按钮添加对话框 ',DeP>'%>
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); o\d |CE;>
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") TV?
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3.删除表格选定记录 VIetcs
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; "pYe-_"@
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() ,bxz]S1W
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4.删除表格记录警告 ~Hs=z$
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) 4>l0V<
{ =+`D
switch(e.Item.ItemType) E`~i-kf
{ ma3Qi/
case ListItemType.Item : O!o <P5X^
case ListItemType.AlternatingItem : :#qUMiu$
case ListItemType.EditItem: r|M'TA~:
TableCell myTableCell; ohtT
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myTableCell = e.Item.Cells[14]; D^$]>-^
LinkButton myDeleteButton ; S=4R5igrC
myDeleteButton = (LinkButton)myTableCell.Controls[0]; gEE9/\>%-
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); ,dOMW+{
break; vXc!Zg~
default: /=bSt
break; cY{I:MA+h@
} Q^nG0<q+
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} " l.!Ed
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5.点击表格行链接另一页 {JTmP `&l
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) >)4.$#H
{ )4PB<[u
//点击表格打开 |%-YuD
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) Rb?~ Rs\
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); y!F:m=x<
} |l$
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双击表格连接到另一页 tO7I&LNE
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在itemDataBind事件中 L,6MF,vx
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) 6I"C~&dt
{ A^8x1ydZ
string OrderItemID =e.item.cells[1].Text; f:S}h-AL&
... A3j"/eKi2
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); [~t yDLC
} !W(`<d]68:
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双击表格打开新一页 a`s/ qi
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) =ydpU<aS
{ <W?WUF
string OrderItemID =e.item.cells[1].Text; 7O"hiDQ
... ("b*? : B
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); %Or2iuO%-,
} yk`)Cq%=;
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★特别注意:【?id=】 处不能为 【?id =】 Y^yG/F
6.表格超连接列传递参数 |ebvx?\
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ yYg
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> 5 1"8Py
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7.表格点击改变颜色 Xh`"
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) loLKm]yV
{ sx:Hv1d
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; uQWp+}>ZJy
this.style.color=’buttontext’;this.style.cursor=’default’;"); `wf|u M
} Ep<YCSQy$i
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写在DataGrid的_ItemDataBound里 9?$RO[vo
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) x`#22"m
{ ;c$@@l
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; 7r['
this.style.color=’buttontext’;this.style.cursor=’default’;"); ,!hnm
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); V+.Q0$~F5
} UP?D@ogl<
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8.关于日期格式 ^B|YO8.v
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日期格式设定
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DataFormatString="{0:yyyy-MM-dd}" dok)Je
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我觉得应该在itembound事件中 QTfu: m{
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
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9.获取错误信息并到指定页面 lf6|.
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不要使用Response.Redirect,而应该使用Server.Transfer loBtd%wY
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e.g vkuc8 li
// in global.asax m!0N"AjA
protected void Application_Error(Object sender, EventArgs e) { b#A(*a_gN
if (Server.GetLastError() is HttpUnhandledException) Qne0kB5m
Server.Transfer("MyErrorPage.aspx"); :,47rN,qa
@ R UP$
//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) UDMyyVd
} Vcr VaBw
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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 EQ/^&
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10.清空Cookie v iJJ
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Cookie.Expires=[DateTime]; $e*B:}x}
Response.Cookies("UserName").Expires = 0 l^
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11.自定义异常处理 nGns}\!7'
//自定义异常处理类 GyuV
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using System; /z#F,NB
using System.Diagnostics; :6zC4Sr^
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namespace MyAppException &kiF/F 1
{ TOrMXcn!/
/// <summary> 0d";Hh:
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 aiJnfU]W
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 bs
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/// </summary> R3Ee%0QK
public class AppException:System.ApplicationException Fe5jdV<
{ \q,s?`+B
public AppException() 6{8/P'@/Zz
{ >J@egIKzP
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); -p]>Be+^x
} /'\;8A$J`
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public AppException(string message) yjFe'
{ WcU@~05b
LogEvent(message); DFc [z"[
} F3Dt7q
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public AppException(string message,Exception innerException) A4
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{ Mc:bU
LogEvent(message); P:^=m*d
if (innerException != null) 7
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{ ~#q;bS
LogEvent(innerException.Message); ; :T9IL
} .&PzkqWZ
} Je@k iE
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//日志记录类 gApz:K[l
using System; _YLUS$Zw
using System.Configuration; sl^n6N
using System.Diagnostics; @mNJ=mEV
using System.IO; m:3J!1
using System.Text; Z7KXWu+6`m
using System.Threading; .jargvAL*
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namespace MyEventLog 2uL9.q
{ `s%QeAde
/// <summary> / gu3@@h
/// 事件日志记录类,提供事件日志记录支持 'in@9XO
/// <remarks> kW+G1|
/// 定义了4个日志记录方法 (error, warning, info, trace) ;_N"Fdl
/// </remarks> :3 y_mf>
/// </summary> $kl$D"*0
public class ApplicationLog nj
{ E(;i>
/// <summary> ??(Kwtx{
/// 将错误信息记录到Win2000/NT事件日志中 qv uxhz F
/// <param name="message">需要记录的文本信息</param> '?8Tx&}U8
/// </summary> # 66e@
public static void WriteError(String message) >XnO&hW
{ -njQc:4W,-
WriteLog(TraceLevel.Error, message); ;ctU&`
} ;cLUnsB\
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/// <summary> i.M2E$b|
/// 将警告信息记录到Win2000/NT事件日志中 G0/>8_Q>Nr
/// <param name="message">需要记录的文本信息</param> !oGQ8 e
/// </summary> ?+\E3}:
public static void WriteWarning(String message) yd*3)6=
{ { *$9,
WriteLog(TraceLevel.Warning, message); auL^%M|$R
} |Euus5[
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/// <summary> 0+j}};
/// 将提示信息记录到Win2000/NT事件日志中 fGTOIi@#
/// <param name="message">需要记录的文本信息</param> *KJ7nRKx(w
/// </summary> Nxi)Q$
public static void WriteInfo(String message) ESv:1o`?n
{ L/fRF"V
WriteLog(TraceLevel.Info, message); /AR]dcL@76
} D%gGRA
/// <summary> az2Xch]
/// 将跟踪信息记录到Win2000/NT事件日志中 KuXkI;63J>
/// <param name="message">需要记录的文本信息</param> H`el#tt_
/// </summary> KoF
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public static void WriteTrace(String message) vYdlSe=6G
{ L
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WriteLog(TraceLevel.Verbose, message); ?ZX!7^7
} Up|f=@=
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/// <summary> 3\+N`!
/// 格式化记录到事件日志的文本信息格式
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/// <param name="ex">需要格式化的异常对象</param> @ae>b
/// <param name="catchInfo">异常信息标题字符串.</param> >{t+4 p4k.
/// <retvalue> qd8pF!u|#
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> )5G QJiY
/// </retvalue> (3W&AM
/// </summary> x5F@ad9
public static String FormatException(Exception ex, String catchInfo) Vhph`[dC{
{ aS/`A
StringBuilder strBuilder = new StringBuilder(); mp:m`sh*i
if (catchInfo != String.Empty) L;yEz[#xaT
{ uA%Ts*aN
strBuilder.Append(catchInfo).Append("\r\n"); 0H+c4IW
} #8UseK
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); u]bz42]
return strBuilder.ToString(); LS6ry,D"7
} 8t[t{"
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/// <summary> C0<YH "
/// 实际事件日志写入方法 U&Ab#m;
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> _-TOeP8#94
/// <param name="messageText">要记录的文本.</param> HsH<m j
/// </summary> HH zEQV Lh
private static void WriteLog(TraceLevel level, String messageText) 5~s{N
{ 8Zw]f-5x\
try ;"@ :}_t
{ !FP"M+
EventLogEntryType LogEntryType; De]^&qw(
switch (level) ?!7
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{ c,$mWTC
case TraceLevel.Error: WjOH/$(
LogEntryType = EventLogEntryType.Error; choL%g}
break; nq@5j0fK
case TraceLevel.Warning: 5#!ogKQ(i
LogEntryType = EventLogEntryType.Warning; [%~^kq=|
break; HfZtL
case TraceLevel.Info: 2fbU-9Rfn
LogEntryType = EventLogEntryType.Information; WHk/$7_"i
break; G"> 0]LQ
case TraceLevel.Verbose: 2-s 7cXs
LogEntryType = EventLogEntryType.SuccessAudit; F[]&