1. 打开新的窗口并传送参数: )K.~A&y@
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传送参数: !K^.r_0H.
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") IBWUXG;
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接收参数: _2+}_ >d
string a = Request.QueryString("id"); 8<ZxE(v
string b = Request.QueryString("id1"); XL>v$7`#
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2.为按钮添加对话框 T6MlKcw,t
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); @s RRcP~
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") 7?<.L
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3.删除表格选定记录 $}&Y$w>S
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; ]2\|<.
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() 2='gC|&s6
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4.删除表格记录警告 {h/[!I`
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) :GXiA
{ ?.E6Ube
switch(e.Item.ItemType) fCTdM+t
{ (&R/ns~
case ListItemType.Item : a5jc8S>
case ListItemType.AlternatingItem : NXsDn&&O
case ListItemType.EditItem: D+?/MrP
TableCell myTableCell; 4eTfb
myTableCell = e.Item.Cells[14]; -L@4da[]i
LinkButton myDeleteButton ; Xdj` $/RI
myDeleteButton = (LinkButton)myTableCell.Controls[0]; >2tQ')%DJ
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); )*@n G$i99
break; 3wK{?
default: IiTV*azVh
break; >aXyi3B
} dC8$Ql^<
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} oLK-~[p
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5.点击表格行链接另一页 )8]O|Z-CU
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) S~L$sqt
{ rC.z772y%
//点击表格打开 {]1o($.u
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) Yl%1e|WV
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); `>&V_^y+
} -
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双击表格连接到另一页 rZ`ob x\S
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在itemDataBind事件中 *TQXE:vZ[
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) P6'Oe|+'
{ 0o~? ]C
string OrderItemID =e.item.cells[1].Text; ;0DTf
... 3T^f#UT
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); eMyh&@7(F
} Vm}OrFA
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双击表格打开新一页 SyFw
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) yJ*`OU#
{ 7(cRm$)L
string OrderItemID =e.item.cells[1].Text; 1!_$HA
... !$N^Ak5#
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); Bfe#,
} F N6GV
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★特别注意:【?id=】 处不能为 【?id =】 "8}p>gS
6.表格超连接列传递参数 As0E'n85
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ .CGPG,\2
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> G"P@AOw
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7.表格点击改变颜色 J'c]':U
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) _'DT)%K
{ iJ n<
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; jMv qKJ(<
this.style.color=’buttontext’;this.style.cursor=’default’;"); -|;{/ s5
} ?O3E.!Q|
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写在DataGrid的_ItemDataBound里 87WIDr
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) ..BIoSrj
{ uYVlF@]
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; CT5\8C
this.style.color=’buttontext’;this.style.cursor=’default’;"); 8,iBG! RF
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); Iz Vb
} lz2B,#
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8.关于日期格式 vN#?>aL
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日期格式设定 'J\nvNm
DataFormatString="{0:yyyy-MM-dd}" jb;!"HC
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我觉得应该在itembound事件中 -PX Rd)~
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) {*utke]}*
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9.获取错误信息并到指定页面 d%+oCoeb
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不要使用Response.Redirect,而应该使用Server.Transfer /+^7lQo\]
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// in global.asax ~[n]la
protected void Application_Error(Object sender, EventArgs e) { ;
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if (Server.GetLastError() is HttpUnhandledException) SOE5`
Server.Transfer("MyErrorPage.aspx"); k1Z"Qmz
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) WUOoK$I~K
} A^lJlr:_`
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Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 8<V6W F`e
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10.清空Cookie Ff6l"A5
Cookie.Expires=[DateTime]; "&h{+DHS
Response.Cookies("UserName").Expires = 0 co!o+jP
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11.自定义异常处理 f</'=k
//自定义异常处理类 -Q3jK)1
using System; >s0A.7,5
using System.Diagnostics; RcJ.=?I!
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namespace MyAppException O^|:q
{ D{'>G@nLQ
/// <summary> eCejO59F9
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 Cj{+DXT
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 Pw c)u&
/// </summary> MnToL@
public class AppException:System.ApplicationException F)fCj^zL
{ K4w %XVaH
public AppException() C8ss6+k&
{ kyV!ATL1F
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); vh+ '
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} e!V3 /*F
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public AppException(string message) Ot,_=PP
{ R=Qa54
LogEvent(message); E2.@zY|:
}
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public AppException(string message,Exception innerException) !97U2L4
{ ^YVd^<cE
LogEvent(message); wWq(|"
if (innerException != null) jLc"1+
{ ?a)X)#lQ
LogEvent(innerException.Message); aTi2=HL=S
} ,orq*Wd
} :Q\Es:y
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//日志记录类 v67utISNI
using System; @:2<cn`
using System.Configuration; op!ft/Yyb
using System.Diagnostics; *=yUs'brB
using System.IO; K;uOtbdOK
using System.Text; R0yPmh,{
using System.Threading; M:[rH
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namespace MyEventLog }G{ 'Rb
{ `vbd7i
/// <summary> |A .U~P):
/// 事件日志记录类,提供事件日志记录支持 K!AW8FnHkZ
/// <remarks> XSfl'Fll D
/// 定义了4个日志记录方法 (error, warning, info, trace) U2hPsF4f
/// </remarks> #:q$sKQ_$
/// </summary> whH_<@!
public class ApplicationLog JXT%@w>I
{ tccw0
/// <summary> QmHj=s:x\
/// 将错误信息记录到Win2000/NT事件日志中 V1yY>
/// <param name="message">需要记录的文本信息</param> oc|%|pmRd<
/// </summary> .$ o0$`}
public static void WriteError(String message) p?@R0]
{ &-5`Oln
WriteLog(TraceLevel.Error, message); 3EY>XS
} 2YW|/o4
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/// <summary> So6ZNh9
/// 将警告信息记录到Win2000/NT事件日志中 b\Wlpb=QZ
/// <param name="message">需要记录的文本信息</param> v d{`*|x
/// </summary> ;FQ<4PR$
public static void WriteWarning(String message) a9f!f %9
{ AiF'*!1
WriteLog(TraceLevel.Warning, message); w(,K
} 'R-Ly^:Qd
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/// <summary> tVUC@M>'
/// 将提示信息记录到Win2000/NT事件日志中 <bvbfS
/// <param name="message">需要记录的文本信息</param> vHydqFi 9
/// </summary> 6H]rO3[8
public static void WriteInfo(String message) ?'xwr)v
{ (u_?#PjX
WriteLog(TraceLevel.Info, message); 4+tKg*|
} t[r<&1[&
/// <summary> ^X?D4a|;#g
/// 将跟踪信息记录到Win2000/NT事件日志中 `/e
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/// <param name="message">需要记录的文本信息</param> c6 f=r
/// </summary> MBIlt
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public static void WriteTrace(String message) tfAO#h tq
{ 1QA{NAnu&
WriteLog(TraceLevel.Verbose, message); v47S9Vm+
}
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/// <summary> -22]|$f
/// 格式化记录到事件日志的文本信息格式 a1Kh
/// <param name="ex">需要格式化的异常对象</param> q
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/// <param name="catchInfo">异常信息标题字符串.</param> w=;Jj7}L
/// <retvalue> }CM</
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> }EMds3<
/// </retvalue> -J6G=+s/
/// </summary> K|Cb6''
public static String FormatException(Exception ex, String catchInfo) n)<S5P?
{ ELvP<Ny}
StringBuilder strBuilder = new StringBuilder(); Hxr)`i46
if (catchInfo != String.Empty) @H83Ad
{ bb4 `s0
strBuilder.Append(catchInfo).Append("\r\n");
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} [X&VxTxr
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); j@o
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return strBuilder.ToString(); RV_(T+
} \jpm
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