1. 打开新的窗口并传送参数: !InC8+be
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传送参数: :Mq{ES%
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") Uq(fk9`6
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接收参数: ;x-]1 xx_
string a = Request.QueryString("id"); /Hyi/D{ W
string b = Request.QueryString("id1"); +\25ynM
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2.为按钮添加对话框 jR^_1bu
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); GNM+sdy+
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") US]I[Y6V
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3.删除表格选定记录 -~^sSLrbP
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; g<YN#
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() Jmun^Q/h
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4.删除表格记录警告 1W{t?1[s
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) 1"RC!
{ +y|Q7+
switch(e.Item.ItemType) B5!|L)7>{p
{ 70N Lv
case ListItemType.Item : Eu$hC]w
case ListItemType.AlternatingItem : q4Y7 HE|ym
case ListItemType.EditItem: bA/'IF+
TableCell myTableCell; Z4D[nPm$
myTableCell = e.Item.Cells[14]; X=%e'P*X
LinkButton myDeleteButton ; rWip[>^
myDeleteButton = (LinkButton)myTableCell.Controls[0]; B[;aNyd<
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); 6rN.)dL.#N
break; [(Ihu e
default: %G'P!xQhy
break; ?l^NKbw
} .c\iKc#
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} uS5ADh
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5.点击表格行链接另一页 r|Q/:UV?w
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) `5 MK(K
:
{ 6sNw#pqh
//点击表格打开 GyQvodqD
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) D[3QQT7c
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); &Yd6w}8
} SX[
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双击表格连接到另一页 `"y:/F"{
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在itemDataBind事件中 {EyWSf"
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) 1n~^@f#`
{ #:tC^7qk
string OrderItemID =e.item.cells[1].Text; g\G}b
... xi15B5_Ps
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); ]+T$D
} QQ./!
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双击表格打开新一页
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if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) SL?YU(a
{ !>)o&sM
string OrderItemID =e.item.cells[1].Text; PyM59v
... !3 zN [@w,
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); Ceew~n{
} $ <Mf#.8%
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★特别注意:【?id=】 处不能为 【?id =】
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6.表格超连接列传递参数 .a 9f)^
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ W 'R^GIHs
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> T
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7.表格点击改变颜色 G$;cA:p-j
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) oH(=T/{
{ P
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e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; }gKJ~9Jg
this.style.color=’buttontext’;this.style.cursor=’default’;"); c uHF^l
} ^#4Ah[:XA
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写在DataGrid的_ItemDataBound里 UD ;UdehC
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) +IG=|X
{ o&>aYlXd
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; 06[HE7
this.style.color=’buttontext’;this.style.cursor=’default’;"); ^m -w@0^z
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); #q6#nfi"
} >O~
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8.关于日期格式 ku
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日期格式设定 X}`39r.
DataFormatString="{0:yyyy-MM-dd}" Uz%2{HB@{
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我觉得应该在itembound事件中 ~%@1-
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) >~ L0M
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9.获取错误信息并到指定页面 ba^/Ar(B
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不要使用Response.Redirect,而应该使用Server.Transfer 6_>(9&g`zV
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e.g M"yOWD~s~
// in global.asax XC4wm#R
protected void Application_Error(Object sender, EventArgs e) { GIhFOK
if (Server.GetLastError() is HttpUnhandledException) rTim1<IXR
Server.Transfer("MyErrorPage.aspx"); H{1'- wB
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) n_kE
} '1X^@]+6
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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 @ ?bY,
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10.清空Cookie 5-UrHbpCZ#
Cookie.Expires=[DateTime]; &FWz7O>1
Response.Cookies("UserName").Expires = 0 DC0ON`
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11.自定义异常处理
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//自定义异常处理类 se*k56,
using System; uobQS!
using System.Diagnostics; vb3hDy
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namespace MyAppException svtqX-Vj"
{ ?%$~Bb _
/// <summary> Q+s2S>U{v
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 AOef1^S=
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 eu'~(_2
/// </summary> ahFK^ #s
public class AppException:System.ApplicationException dnkHx
{ Vze vOS
public AppException() 3rX40>Cs8
{ dF*M"|[
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); S" (Nf+ux
} @TJ
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public AppException(string message) p5l|qs
{ C$4{'J-ZH
LogEvent(message); Ok<,_yh
} j{6O:d6([$
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public AppException(string message,Exception innerException) 1 ]ePU8
{ m$7C{Mr'
LogEvent(message); t :~,7
if (innerException != null) l[C_vUg
{ gH*(1*
LogEvent(innerException.Message); V=8npz
} J[c`Qq:&e
} rp|A88Q/!
35 L\
//日志记录类 7MsJ*En
using System; HubK
using System.Configuration; tJA"BP3f
using System.Diagnostics; p!DOc8a.\e
using System.IO; <r
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using System.Text; y{2\T
using System.Threading; w:x[kA
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namespace MyEventLog wj5,_d)
{ b*ja,I4
/// <summary> POf xN.
/// 事件日志记录类,提供事件日志记录支持 t#w,G
/// <remarks> @U@O#+d'ZR
/// 定义了4个日志记录方法 (error, warning, info, trace) KNR7Igw?}
/// </remarks> bz.sWBugR
/// </summary> @FF80U4'
public class ApplicationLog Lcf?VV}
{ _-2ntO<E
/// <summary> 5&xbGEP$
/// 将错误信息记录到Win2000/NT事件日志中 ZD4aT1|Q7
/// <param name="message">需要记录的文本信息</param> A(H2Gt
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/// </summary> U>@AE
public static void WriteError(String message) u"m TS&
{ BCtKxtbS
WriteLog(TraceLevel.Error, message); [Y
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} HDaeJk
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/// <summary> }<&?t;
/// 将警告信息记录到Win2000/NT事件日志中 We vd6)\
/// <param name="message">需要记录的文本信息</param> pCC^Hxa
/// </summary> Wr-I~>D%_
public static void WriteWarning(String message) X*9-P9x(6
{ Q$sC%P(y
WriteLog(TraceLevel.Warning, message); q(A_k+NL
} j8aH*K-l{
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/// <summary> :#cJZ\YH
/// 将提示信息记录到Win2000/NT事件日志中 ~+V$0Q;L
/// <param name="message">需要记录的文本信息</param> i:jns>E
/// </summary> y=Z[_L!xr
public static void WriteInfo(String message) &WOm[]Q4
{ WD! " $
WriteLog(TraceLevel.Info, message); RxNLn/?d@
} yYSoJqj
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/// <summary> DQ9aq.;
/// 将跟踪信息记录到Win2000/NT事件日志中 ? cn`N|
/// <param name="message">需要记录的文本信息</param> %e)?Mem
/// </summary> 5\h 6'
public static void WriteTrace(String message) J'tJY% `
{ T#i~/
WriteLog(TraceLevel.Verbose, message); m/,80J8L+f
} J%T=FU
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/// <summary> Spin]V
/// 格式化记录到事件日志的文本信息格式 C](djkA$
/// <param name="ex">需要格式化的异常对象</param> pG'?>]Rt4
/// <param name="catchInfo">异常信息标题字符串.</param> B I=57
/// <retvalue> !;P[Y"h@r
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> \HG4i/V:h
/// </retvalue> |gHdTb1
/// </summary> rhZp
public static String FormatException(Exception ex, String catchInfo) <4~SFTWY
{ u%Mo.<PI
StringBuilder strBuilder = new StringBuilder(); kDxI7$]E
if (catchInfo != String.Empty) EBiLe;=X
{ 4wGBB{X
strBuilder.Append(catchInfo).Append("\r\n"); 5evk_f
} Zj_2B_|WN#
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
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return strBuilder.ToString(); |WSpWsr,
} 72_+ b
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/// <summary> }EP}D?Mmu
/// 实际事件日志写入方法 *'tGi_2?(
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> ZkO2*;
/// <param name="messageText">要记录的文本.</param> rBi6AM/
/// </summary> K\zb+
private static void WriteLog(TraceLevel level, String messageText) }E[vW
{ 'Yh`B8
try yu&mu