1. 打开新的窗口并传送参数: ZUS06#t}
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传送参数: z\>ZgRi~n
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") Gm=e;X;r
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接收参数: 0P;\ :-&p
string a = Request.QueryString("id"); )B"E+Q'h{7
string b = Request.QueryString("id1"); tc{Qd&"(
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2.为按钮添加对话框 95Q^7oI
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); ,3Nna:~f
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") ?;ZnD(4?
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3.删除表格选定记录 [= Xb*~
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; 0B"_St}3D
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() w!OYH1ds]_
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4.删除表格记录警告 IEY\l{s
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) YcW)D
{ Z61L;E
switch(e.Item.ItemType) XV1XzG# C
{ `Dp4Z>|
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case ListItemType.Item : f&
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case ListItemType.AlternatingItem : R#!Urhh
case ListItemType.EditItem: 7,Y+FZ
TableCell myTableCell; 7V&ly{</
myTableCell = e.Item.Cells[14]; luJNdA:t&
LinkButton myDeleteButton ; De<i
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myDeleteButton = (LinkButton)myTableCell.Controls[0]; GjbOc
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); Kf`/ Gc!
break; rLA^ &P:
default: L$ZsNs+
break; PoD/i@
} `:Zgq+j&
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} f{h2>nEj\
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5.点击表格行链接另一页 6E9o*YSk
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) a0's6C
{ 5m\)82s
//点击表格打开 5>h/LE]"
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) 4GS:kfti
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); I>lblI$7
} 37*2/N2
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双击表格连接到另一页 S 9;FD 3
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在itemDataBind事件中 <DhuY/o
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) 2\CZ"a#[
{ Z<'iT%6+r
string OrderItemID =e.item.cells[1].Text; S$/SFB$)~W
... 60l!3o"p!
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); {dlG3P='`f
} q><wzCnRu~
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双击表格打开新一页 ={50>WXE
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) oSl}A,aQ(
{ [d=BN ,?
string OrderItemID =e.item.cells[1].Text; |}@teN^J*U
... q NUd "%S
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); 3?TUt{3g
} JY%l1:}G3
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★特别注意:【?id=】 处不能为 【?id =】 J)sOne
6.表格超连接列传递参数 79B+8= K
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ C|]Zpn#{K
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> u $qazj
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7.表格点击改变颜色 cL4Xh|NBp
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) yO@@-)$[y
{ &D&U!3~(
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; Rp>%umDyL
this.style.color=’buttontext’;this.style.cursor=’default’;"); $5@[l5cJU;
} ]ClqX;'weJ
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写在DataGrid的_ItemDataBound里 qR
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if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) D4*_/,}
{ rr2^sQ;_
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; pv^: G;
this.style.color=’buttontext’;this.style.cursor=’default’;"); RY\0dv>
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); {ITxHt
} 4^!%>V"d/
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8.关于日期格式 q-S#[I+g
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日期格式设定 IV%Rph>d
DataFormatString="{0:yyyy-MM-dd}" z }Vg4\x&
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我觉得应该在itembound事件中 c=re(
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) 3pyE'9"f6
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9.获取错误信息并到指定页面 WUb] 8$n
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不要使用Response.Redirect,而应该使用Server.Transfer [}5mi?v
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// in global.asax M]xfH *
protected void Application_Error(Object sender, EventArgs e) { z~/e\
if (Server.GetLastError() is HttpUnhandledException) .>2]m[53
Server.Transfer("MyErrorPage.aspx"); >|mZu)HIY;
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) 3teP6|K'g
} w,t !<i
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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 QE721y
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10.清空Cookie 0XI6gPo%
Cookie.Expires=[DateTime]; wWM[Hus
Response.Cookies("UserName").Expires = 0 h r6?9RJY
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11.自定义异常处理 "YVr/u
//自定义异常处理类 EIF
using System; \/-4 jF:
using System.Diagnostics; *]c~[&x5&
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namespace MyAppException ssl.Y!
{ :.(A,
/// <summary> Z7k ku:9
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 r-a0XNS*
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 {9{PU&?(
/// </summary> ei~f1$zc#h
public class AppException:System.ApplicationException BW ux!
{ w17CZa
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public AppException() {
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{ mdlMciP
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); vSo1WS
} GtKSA#oYZB
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public AppException(string message) Sa/]81aG
{ vVSf'w
LogEvent(message); li0)<("/
} tD,I7%|@
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public AppException(string message,Exception innerException) Kaji&Ibd
{ D-e?;<
LogEvent(message); q``/7
if (innerException != null) -]G=Q1 1
{ X2{Aa T*M
LogEvent(innerException.Message); )[ejb?{d
} 8[#EC 3
} U[z2{\
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//日志记录类 a3,A_M}M'
using System; Hk$do`H-=Y
using System.Configuration; UK)wV
using System.Diagnostics; Uy?X-"UR
using System.IO; 55=YM'5]
using System.Text; &w:0ad|
using System.Threading; 3mL(xpT.8z
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namespace MyEventLog R0K{wY58
{ \y+^r|IL
/// <summary> O^_CqT%
/// 事件日志记录类,提供事件日志记录支持
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/// <remarks> ^FZ9q
/// 定义了4个日志记录方法 (error, warning, info, trace) +^%)QH>9
/// </remarks> KL"_h`UW
/// </summary> 6q,CEm
public class ApplicationLog (px3o'ls h
{ ^2i$AM1t
/// <summary> 7cO1(yE#vr
/// 将错误信息记录到Win2000/NT事件日志中 {7`1m!R
/// <param name="message">需要记录的文本信息</param> ;D@ F
/// </summary> `/<f([w
public static void WriteError(String message) hsJGly5H
{ @9l$jZ~x
WriteLog(TraceLevel.Error, message); 2nCHL'8N
} w|4CBll
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/// <summary> e}(8BF
/// 将警告信息记录到Win2000/NT事件日志中 ,l.+$G
/// <param name="message">需要记录的文本信息</param> 9%riB/vkrF
/// </summary> ?QtM|e
public static void WriteWarning(String message) ]C{N4Ni^Z
{ .N7&Jy
WriteLog(TraceLevel.Warning, message); E+/XKF
} 8"rK
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/// <summary> V0n8fez
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/// 将提示信息记录到Win2000/NT事件日志中
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/// <param name="message">需要记录的文本信息</param> O2xqNQ`d
/// </summary> n^nQrRIp
public static void WriteInfo(String message) (%G>TV
{ _qH]OSo
WriteLog(TraceLevel.Info, message); @c}Gw;e
} }N:QB}7'_
/// <summary> y,`q6(&
/// 将跟踪信息记录到Win2000/NT事件日志中 ygd*zy9
/// <param name="message">需要记录的文本信息</param> O9RnS\
/// </summary> ry+|gCZ
public static void WriteTrace(String message) _>^Y0C[?5
{ BM5)SgK
WriteLog(TraceLevel.Verbose, message); ~+PK Ws'}F
} lB7/oa1]>
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/// <summary> }4Q3S1|U
/// 格式化记录到事件日志的文本信息格式 X @/X65=[
/// <param name="ex">需要格式化的异常对象</param> ,V)hV@Dk
/// <param name="catchInfo">异常信息标题字符串.</param> 3wQ\L=
/// <retvalue> ;CuL1N#I
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> G]dHYxG
/// </retvalue> e~nh95
/// </summary> I<"UQ\)
public static String FormatException(Exception ex, String catchInfo) iZ0(a
{ :Ye~I;"8
StringBuilder strBuilder = new StringBuilder(); &E@mCQ1
if (catchInfo != String.Empty) nN>Uh T
{ fT<3~Z>m
strBuilder.Append(catchInfo).Append("\r\n"); {;o54zuKf
} [hqat'Vj,
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); n.,ZgLx["
return strBuilder.ToString(); .tsXQf
} ~`5[Li:eP
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/// <summary> nO;ox*Bk+8
/// 实际事件日志写入方法 wkp$/IZKMj
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> Np;tpq~
/// <param name="messageText">要记录的文本.</param> (e9hp2m
/// </summary> Y 2^y73&k
private static void WriteLog(TraceLevel level, String messageText) mXu";?2
{ J3'0^JP*
try (1'sBm7F
{ r^Soqom3
EventLogEntryType LogEntryType; )}k"7"
switch (level) @[1,i~H
{ @?</8;%3W
case TraceLevel.Error: 2]r5e;
LogEntryType = EventLogEntryType.Error; TLg 9`UA
break; i,L"%q)C
case TraceLevel.Warning: L l,nt
LogEntryType = EventLogEntryType.Warning; 6K >(n
break; L>N)[;|
case TraceLevel.Info: R5 EC/@
LogEntryType = EventLogEntryType.Information; v4\
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break; EPM(hxCIQ
case TraceLevel.Verbose: S-brV\v7
LogEntryType = EventLogEntryType.SuccessAudit; :]* =f].
break; o+\?E.%%g
default: fL gHQ
LogEntryType = EventLogEntryType.SuccessAudit; YT@N$kOg_
break; ]ij:>O@{$
} uuy0fQQ8ti
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EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName ); j92+kq>Xd
//写入事件日志 !m9g\8tE
eventLog.WriteEntry(messageText, LogEntryType); 4 ijZQ
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} 4Cvo^k/I
catch {} //忽略任何异常 (e<p^TJ]
} `2'*E\
} //class ApplicationLog f&XM|Bg
} 0b2;
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12.Panel 横向滚动,纵向自动扩展 iT1HbAT]
<asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel> wh^I|D?"
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13.回车转换成Tab d"+ _`d=`
<script language="javascript" for="document" event="onkeydown"> vY,]f^F"
if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’); Tn$|
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event.keyCode=9; :5:_Dr<
</script> l_2YPon
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onkeydown="if(event.keyCode==13) event.keyCode=9" |^GN<