1. 打开新的窗口并传送参数: Ti`<,TA54
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传送参数: r4caIV
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") Y W_E,A>h
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接收参数: M>J8J*
string a = Request.QueryString("id"); UI|L;5
string b = Request.QueryString("id1"); Frn#?n)S9
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2.为按钮添加对话框 Z'dY,<@
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); TuY{c%qQ:
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") \W;~[-"#
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3.删除表格选定记录 ?TLEZlB2"
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; 0(#HMBE8
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() LB%_FT5
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4.删除表格记录警告 |Axg}Q|
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) NWPL18*C
{ 06*R)siC
switch(e.Item.ItemType) u.iFlU
{ +kTAOfM
case ListItemType.Item : H4 Y7p
case ListItemType.AlternatingItem : :Bp{yUgi@
case ListItemType.EditItem: j~c7nWfX
TableCell myTableCell; d$)'?Sf]h
myTableCell = e.Item.Cells[14]; (WiA
LinkButton myDeleteButton ; !OM9aITv[
myDeleteButton = (LinkButton)myTableCell.Controls[0]; \lHi=}0
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); I$0`U;Xd
break; 5P{dey!
default: I2("p.+R
break; T:x5 ,vpM
} [bkMl+:/HG
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} 0X+Jj/-ge
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5.点击表格行链接另一页 oQ~Q?o]Ri
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) ,R0@`t1 p
{ 8h9t8?
//点击表格打开 a*&P>Lwe7&
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) #G{}Rd|!
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); gVCkj!{
} 0TU~Q
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双击表格连接到另一页 #/sKb2eQ
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在itemDataBind事件中 )/2* <jr
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) jo=XxA
{ y=YD4m2 W
string OrderItemID =e.item.cells[1].Text; w( `X P
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e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); !JUXq
} @]tFRV
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双击表格打开新一页 H7G*Vg
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) mn\e(WoX
{ K2nq2Gbn
string OrderItemID =e.item.cells[1].Text; 1iaNb[:QX
... N J:]jd
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); k#`.!yI,
} 7M}T^LC
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★特别注意:【?id=】 处不能为 【?id =】 U
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6.表格超连接列传递参数 aW %ulZ
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ l0Jpf9Aue
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> NFY,$
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7.表格点击改变颜色 K]zBPfx
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) ^mFuZ~g;?
{ NAV}q<@v
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; Svn|vH
this.style.color=’buttontext’;this.style.cursor=’default’;"); J/w?Fa<
} a}#[mw@m=
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写在DataGrid的_ItemDataBound里 KJ,{w?p~
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if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) ~b5aT;ObR
{ O<S*bN>BF
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; !6|Kpy8
this.style.color=’buttontext’;this.style.cursor=’default’;"); L':;Vv~-
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); !l~tBJr*sB
} 4PTHUyX
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8.关于日期格式 gd.P%KC!g
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日期格式设定 v"O{5LM"
DataFormatString="{0:yyyy-MM-dd}" _]1dm)%
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我觉得应该在itembound事件中 ^SxB b,\
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) N:0/8jmmO
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9.获取错误信息并到指定页面 e{O mW
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不要使用Response.Redirect,而应该使用Server.Transfer QV+('
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e.g \% &QIe;:k
// in global.asax g6Qzkvw)
protected void Application_Error(Object sender, EventArgs e) { :g'"*VXYB
if (Server.GetLastError() is HttpUnhandledException) ({Fus@/
Server.Transfer("MyErrorPage.aspx"); "vH@b_>9|
}CaL:kY8
//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) N_$ X4.7p
} ,f$A5RN
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Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 c G?RisSZ
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10.清空Cookie h(d<':|
Cookie.Expires=[DateTime]; zdyS"H}
Response.Cookies("UserName").Expires = 0 [[JwHM8H&
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11.自定义异常处理 !rb)Y;WQt
//自定义异常处理类 J\_tigd
using System; !-x^b.${B
using System.Diagnostics; VyCBJK
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namespace MyAppException N-3w)23*:
{ h_?D%b~5
/// <summary> 7R<<}dA]
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 0Z2![n
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 Gi]Pwo${
/// </summary> dQ`ch~HVUW
public class AppException:System.ApplicationException Il'+^u_ <
{ 4&K~EX"^T
public AppException() $&n!j'C:
{ |6`yE]3-(
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); SWO$#X /
} azPFKg+
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public AppException(string message) M <"&$qZ$R
{ -[`,MZf
LogEvent(message); )Y
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} J.?6a:#bU/
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public AppException(string message,Exception innerException) 1P3^il7
{ W: cOzJ
LogEvent(message); zjM+F{P8
if (innerException != null) .2!'6;K
{ /V46:`V
LogEvent(innerException.Message); O9=vz%
} 8NPt[*
} p[h A?dXn
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//日志记录类 MCe=R R
using System; KSqWq:W+
using System.Configuration; Z)|*mJ
using System.Diagnostics; E$4\Yc)(AL
using System.IO; h?bm1e5kE
using System.Text; <2diO=
using System.Threading; }c|Xr^
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namespace MyEventLog V\PGk<VO
{ 0>4:(t7h\
/// <summary>
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/// 事件日志记录类,提供事件日志记录支持 q,^^c1f
/// <remarks> )+N%!(ki
/// 定义了4个日志记录方法 (error, warning, info, trace) \2:
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/// </remarks> 53=s'DZ
/// </summary> I Vq9z
public class ApplicationLog '2/48j X5
{ }7X85@jC
/// <summary> 5=.,a5
/// 将错误信息记录到Win2000/NT事件日志中 wB?;3lTS
/// <param name="message">需要记录的文本信息</param> \.9-:\'(
/// </summary> %z`bu2
public static void WriteError(String message) )<1M'2
{ ]5YG*sD4
WriteLog(TraceLevel.Error, message); lk%rE
} bxc#bl3
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/// <summary> J ;i/X;^
/// 将警告信息记录到Win2000/NT事件日志中 n_v|fxF1
/// <param name="message">需要记录的文本信息</param> 9$)TAI&P
/// </summary> oslrv7EK
public static void WriteWarning(String message) hCc_+/j|
{ CcLP/
WriteLog(TraceLevel.Warning, message); C*/d%eHD
} n$axqvG
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/// <summary> ;5q=/
/// 将提示信息记录到Win2000/NT事件日志中 6S2D\Bt,_
/// <param name="message">需要记录的文本信息</param> *
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/// </summary> 31
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public static void WriteInfo(String message) i.)kV B
{ Qi w "x,
WriteLog(TraceLevel.Info, message); *9`@
} iU~oPp[e
/// <summary> Zc{at}{
/// 将跟踪信息记录到Win2000/NT事件日志中 O6YYOmt3
/// <param name="message">需要记录的文本信息</param> qI)
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/// </summary> v5; c}n
public static void WriteTrace(String message) [q?{e1
{ QApil
WriteLog(TraceLevel.Verbose, message); 0V}%'Ec<e
} L/F!Y%=;[
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/// <summary> m.&z:`x[
/// 格式化记录到事件日志的文本信息格式 3EI$tP @4
/// <param name="ex">需要格式化的异常对象</param> U9SByqa1
/// <param name="catchInfo">异常信息标题字符串.</param> b_|`jHes
/// <retvalue> bfQ+}|;
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> WDP$w(M
/// </retvalue> rMH\;\
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/// </summary> GW]Ygf1t
public static String FormatException(Exception ex, String catchInfo) K`M 8[ %S
{ y7u"a)T
StringBuilder strBuilder = new StringBuilder();
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if (catchInfo != String.Empty) 2Vr F~+
{ A]WU*GL2H
strBuilder.Append(catchInfo).Append("\r\n"); Zyu4!
} :;#^h]Q
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); KWLI7fTgj$
return strBuilder.ToString(); Pn[-{nz
} T5=3 jPQ
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/// <summary> X<OwB -N
/// 实际事件日志写入方法 lOCMKaCD
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> `&LPqb
/// <param name="messageText">要记录的文本.</param> l <Tkg9
/// </summary> =d!3_IZ
private static void WriteLog(TraceLevel level, String messageText) ^GD"aerNr
{ O8wR#(/
try _Q t
{ VWj]X7v
EventLogEntryType LogEntryType; &j<B22t!
switch (level) mcP]k8?C
{ ,j:`yB]4,
case TraceLevel.Error: 0/6f9A
LogEntryType = EventLogEntryType.Error; ~dkS-6q~Q
break; Z]@my,+Z;
case TraceLevel.Warning: k^w!|%a[
LogEntryType = EventLogEntryType.Warning; nVoL7ew+
break; #e}Q|pF
case TraceLevel.Info: $>hPB[ [
LogEntryType = EventLogEntryType.Information; `k+ci7;
break; i/6(~v
case TraceLevel.Verbose: bz[U<