1. 打开新的窗口并传送参数: ;\/RgN
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传送参数: =1O;,8`
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") ;1TQr3w
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接收参数: /B{cL`<
string a = Request.QueryString("id"); ('=Q[ua7-(
string b = Request.QueryString("id1"); |oR{c%z05
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2.为按钮添加对话框 O#vIn}
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); 0? KvR``Aj
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") "QtkNy%E
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3.删除表格选定记录 -b
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int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; }Q,BI*}*
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() r6 pz(rCs}
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4.删除表格记录警告 {qH+S/
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) >-`-D=!V
{ ai4ro"H
switch(e.Item.ItemType) 2)q$HUIX
{ /9-kG
case ListItemType.Item : DPl &e-`
case ListItemType.AlternatingItem :
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case ListItemType.EditItem: UX?S#:h
TableCell myTableCell; 09Z\F^*$F
myTableCell = e.Item.Cells[14]; vFgnbWxG
LinkButton myDeleteButton ; f+QDjJ?z
myDeleteButton = (LinkButton)myTableCell.Controls[0]; Jy]}'eE?pr
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); 6a{b%e`
break; M>jk"*hA|
default:
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break; {8~xFYc:
} !OR%AdxB
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} M8FC-zFs
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5.点击表格行链接另一页 `hU2Ss~
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) Iw</X}#\
{ Qu|<1CrZj]
//点击表格打开 z}P1+Pm
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) `u;4Z2Lr0
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); dJmr!bN\;
} gBXbB9
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双击表格连接到另一页 r5!Sps3B
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在itemDataBind事件中 ?)/&tk9.n
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) 82=>I*0Q
{ mH4Jl1S&
string OrderItemID =e.item.cells[1].Text; 59a7%w
... Jn1(-
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); 0tN/P+!|
} p=f8A71
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双击表格打开新一页 &8Oy *'
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) XSo$;q\
{ |%Ssb;M
string OrderItemID =e.item.cells[1].Text; 9,AHC2kn%
... 8lT2qqlr
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); f9b[0L
} X&|y|
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★特别注意:【?id=】 处不能为 【?id =】 C;eM:v0A[
6.表格超连接列传递参数 t|k-Bh:x
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ 2?9gf,U
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> Y:K1v:Knw
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7.表格点击改变颜色 qMmhmH)Gp
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) zVtNT@1K>u
{ tc)4$"9)
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; 1}I%yOi)
this.style.color=’buttontext’;this.style.cursor=’default’;"); ?\T):o;/
} lRA!
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写在DataGrid的_ItemDataBound里 fGDjX!3-S
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) L
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{ /AUXO]
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; ZS?4<lXF
this.style.color=’buttontext’;this.style.cursor=’default’;"); +Zi@+|"BCN
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); |),3`*N
} '0E^th#u-0
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8.关于日期格式 `1U?^9Nf
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日期格式设定 'wP\VCL2>
DataFormatString="{0:yyyy-MM-dd}" +Zo&c}
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我觉得应该在itembound事件中 <S` N9a
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) p#fV|2'
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9.获取错误信息并到指定页面 Ni)/L(
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不要使用Response.Redirect,而应该使用Server.Transfer 81/t)Cp
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e.g a?X{k|;!7u
// in global.asax V|zatMHs
protected void Application_Error(Object sender, EventArgs e) { I?IAZa)
if (Server.GetLastError() is HttpUnhandledException) !$^LTBOH3
Server.Transfer("MyErrorPage.aspx"); m}>#s3KPA
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) D= LLm$y
} [%yCnt
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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 !S}4b
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10.清空Cookie >$iQDVh!
Cookie.Expires=[DateTime]; bpWEF b'f
Response.Cookies("UserName").Expires = 0 _^"0"<,
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11.自定义异常处理 9 54O=9PQ
//自定义异常处理类 \4pWHE/
using System; eZ[O:W vk:
using System.Diagnostics; ~xaPq=AH
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namespace MyAppException P% ZCACzV
{ ~^pV>>LX|
/// <summary> ;p4|M
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 ZpTT9{PT=:
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 lZ` CFZR0
/// </summary> R#i{eE*WF
public class AppException:System.ApplicationException \z>L,U
{ u!WjG@
public AppException() =]yzy:~ey
{ Y<drRK!
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); GH!Lu\y\
} c$[cDf~
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public AppException(string message) mU3 @|a/@0
{ ct#3*]
LogEvent(message); )"Vd8*e
} ,Rh6(I
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public AppException(string message,Exception innerException) Pn[R.u(l
{ lYt|C^
LogEvent(message); <;
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if (innerException != null) %uWq)D4r
{ !uJDhC
LogEvent(innerException.Message); Q-M"+ HO
} %qf ?_2v
} C:WXI;*cr
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//日志记录类 bx&?EUx+b
using System; G`1FD
using System.Configuration;
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using System.Diagnostics; r#CQCq
using System.IO; 0j)D[K
using System.Text; I "<ACM
using System.Threading; W~e/3#R\=
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namespace MyEventLog xmI!N0eta
{ :6r)HJ5sg
/// <summary> Ckc4U. t|
/// 事件日志记录类,提供事件日志记录支持 AvS<b3EoN
/// <remarks> 2!+saf^-,
/// 定义了4个日志记录方法 (error, warning, info, trace) sF`ELrR \
/// </remarks> &n)=OConge
/// </summary> (dh{Gk4=+
public class ApplicationLog {!`0i
{ i)pAFv<$,
/// <summary> 3h-C&C
/// 将错误信息记录到Win2000/NT事件日志中 '*6S0zt
/// <param name="message">需要记录的文本信息</param> !jeoB
/// </summary> !C$bOhc
public static void WriteError(String message) ,xeJf6es
{ ;$Q&2}L[
WriteLog(TraceLevel.Error, message); r(#]Z
} hkhk,bhI
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/// <summary> 'nO%1BZj+
/// 将警告信息记录到Win2000/NT事件日志中 [h
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/// <param name="message">需要记录的文本信息</param> @{|vW
/// </summary> lSu\VCG
public static void WriteWarning(String message) =83FCq"
{ gISG<!+X^
WriteLog(TraceLevel.Warning, message); V"T48~Ue
} =I}8-AS~V
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/// <summary> !\ckUMZ\
/// 将提示信息记录到Win2000/NT事件日志中 )_\ZUem
/// <param name="message">需要记录的文本信息</param> `?f Y!5BA
/// </summary> @6N$!Q?
public static void WriteInfo(String message) ?pF7g$>q
{ .(7end<
WriteLog(TraceLevel.Info, message); -J$,W`#z
} mjwh40x.o
/// <summary> $ MN1:ih
/// 将跟踪信息记录到Win2000/NT事件日志中 &r)i6{w81
/// <param name="message">需要记录的文本信息</param> N^{"k,vB-
/// </summary> <oc"!c;T
public static void WriteTrace(String message) xElHYh(\
{ :Rq>a@Rp
WriteLog(TraceLevel.Verbose, message); 5w#
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} ?=22@Q}g
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/// <summary> ^s_BY+#
/// 格式化记录到事件日志的文本信息格式 ;c!}'2>vM
/// <param name="ex">需要格式化的异常对象</param> VX!UT=;
/// <param name="catchInfo">异常信息标题字符串.</param> tS2Orzc>,
/// <retvalue> ;ORT#7CU
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> q
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/// </retvalue> iAOm[=W
/// </summary> 9HjtWQn
public static String FormatException(Exception ex, String catchInfo) Z+qTMm
{ 7NY9UQ
StringBuilder strBuilder = new StringBuilder(); _|!FhZ
if (catchInfo != String.Empty) t=IpVl!
{ S8{S b>
strBuilder.Append(catchInfo).Append("\r\n"); Dp5hr 8bT
} bP4<q?FKcN
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); 'k?%39
return strBuilder.ToString(); =Qa*-*
} %SHjJCS3
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/// <summary> )_vE"ryThA
/// 实际事件日志写入方法 m3cO{
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/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> 23F<f+2S
/// <param name="messageText">要记录的文本.</param> Q/y^ff]=
/// </summary> v7i5R !
private static void WriteLog(TraceLevel level, String messageText) B-@ ]+W
{ /qYo*S_cG
try ubpVrvu@
{ w;RG*rv
EventLogEntryType LogEntryType; \sUk71L`j
switch (level) RW#&