1. 打开新的窗口并传送参数: @`;Y/',
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传送参数: \+Rwm:lI
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") gLaO#cQ%
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接收参数: ^?X ^+
string a = Request.QueryString("id"); _%Jl&0%q
string b = Request.QueryString("id1"); a^XTW7]r
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2.为按钮添加对话框 UiK+c30FU
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); 'hlB;z|T
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") c_z/At;4
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3.删除表格选定记录 0"kE^=
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; T]nR=uK6LL
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() 5{
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4.删除表格记录警告 g;-+7ViIr
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) 38U5^`
{ w{r(F`
switch(e.Item.ItemType) |.8d,!5w}
{ (]}x[F9l
case ListItemType.Item : [^U;
case ListItemType.AlternatingItem : V8nz-DL{
case ListItemType.EditItem: 6>=-/)p}
TableCell myTableCell; Z9"{f)T
myTableCell = e.Item.Cells[14];
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LinkButton myDeleteButton ; z[5Y
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myDeleteButton = (LinkButton)myTableCell.Controls[0]; 7TV>6i+7
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); T3G/v)ufd
break; Krp
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default: 1=/doo{^
break;
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} E?Qz/*'zv
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} I3 G*+6V
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5.点击表格行链接另一页 _Sly7_
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) ^I(oy.6?=p
{ #JL&]Z+X6
//点击表格打开 yfM>8"h@
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) $ ]W[y=
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); yD3bl%uZ
} <OR.q
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双击表格连接到另一页 d,Cz-.'sOf
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在itemDataBind事件中 ch0oFc$
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) Tn4W\?R
{ 2?Pt Z
string OrderItemID =e.item.cells[1].Text; lL:KaQ 0E
... L _vblUDq
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); bU;}!iVc]
} >W`S(a Mn
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双击表格打开新一页 0kU3my]
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) U8-Q'1IT&
{ /*u#Ba<<
string OrderItemID =e.item.cells[1].Text; xb4Pt`x)rS
...
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e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); ruZYehu1W
} 94~"U5oQ:
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★特别注意:【?id=】 处不能为 【?id =】 tt+>8rxF:;
6.表格超连接列传递参数 c=b+g+*xd
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ dV5PhP>6
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> u
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7.表格点击改变颜色 vC)"*wYB{
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) 4=u+ozCG
{ %==G+S{
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; #d7N| 9_
this.style.color=’buttontext’;this.style.cursor=’default’;"); NFB*1_m
} 8K|J:[7
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写在DataGrid的_ItemDataBound里 \bU`
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) ~'NX~<m
{ ;$vLq&(}
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; Iq)(UfaSve
this.style.color=’buttontext’;this.style.cursor=’default’;"); "/Y<G
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); j_!bT!8
} q}#iV$dAj
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8.关于日期格式 ]kRI}Om2
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日期格式设定 _~tm7o+js
DataFormatString="{0:yyyy-MM-dd}" 0yn[L3x7
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我觉得应该在itembound事件中 lwVk(l
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e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) [-4KY4R
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9.获取错误信息并到指定页面 y|^EGnaE
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不要使用Response.Redirect,而应该使用Server.Transfer 3I|O^
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// in global.asax $50\"mo~z
protected void Application_Error(Object sender, EventArgs e) { tE[H8
if (Server.GetLastError() is HttpUnhandledException) $K})Q3FNi
Server.Transfer("MyErrorPage.aspx"); `3J':Vh
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) Gu5~DyT`G
} tmp6hB
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Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 y=w`w>%
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10.清空Cookie D z@1rc<B
Cookie.Expires=[DateTime]; fmFzW*,E
Response.Cookies("UserName").Expires = 0 hd5$ yU5JQ
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11.自定义异常处理 T'.[F
//自定义异常处理类 RAV^D.
using System; X'f)7RbT
using System.Diagnostics; GzdRG^vN
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namespace MyAppException z$|;-u|
{ c_#*mA"+
/// <summary> +oZH?N4yaM
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 }%$OU = T
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 TiyUr [
/// </summary> xI?0N<'.*q
public class AppException:System.ApplicationException }~F~hf>s
{ (0OM"`j
public AppException() ]boE{R!I
{ lm$;:Roj*
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); F;P5D<
} "]#'QuR
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public AppException(string message) IE;\7r+h
{ J=iRul^S
LogEvent(message); &RW`W)0;
} !^iwQ55e2A
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public AppException(string message,Exception innerException) pDn&V(
{ fQU{SjG
LogEvent(message); zsVcXBz
if (innerException != null) u1^\MVO8
{ b+{r!D}~
LogEvent(innerException.Message); `\N]wlB2/b
} MDHb'<o?y
} @?Zf-.
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//日志记录类 ]-:6T0JuS
using System; ^m%52Tm
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using System.Configuration; SkHYXe"]
using System.Diagnostics; % (<(Y
using System.IO; =7
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using System.Text; _TUm$#@Y`
using System.Threading; !D:Jbt@R<n
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namespace MyEventLog ! E0!-UpY
{ X>zlb$
/// <summary> GeV+/^u
/// 事件日志记录类,提供事件日志记录支持 c}-(. eu
/// <remarks> J,5+47b1}R
/// 定义了4个日志记录方法 (error, warning, info, trace) 2*2:-ocl$
/// </remarks> `PlOwj@u0`
/// </summary> Td h TQ
public class ApplicationLog @AQwr#R"l
{ E\M-k\cSj
/// <summary> (3;@^S4&w
/// 将错误信息记录到Win2000/NT事件日志中 +,5-qm)Gh>
/// <param name="message">需要记录的文本信息</param> EzpFOqJG
/// </summary> g"K>5Cb
public static void WriteError(String message) Ef@,hX
{ |=K_F3aJ
WriteLog(TraceLevel.Error, message); & mt)d
} VhEka#
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/// <summary> obo&1Uv,/
/// 将警告信息记录到Win2000/NT事件日志中 Vrkf(E3_V
/// <param name="message">需要记录的文本信息</param> 7L3ik;>
/// </summary> Riry_
public static void WriteWarning(String message) 314=1JbL
{ L0NA*C
WriteLog(TraceLevel.Warning, message); 27A!\pn
} l]6%lud8_
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/// <summary> *%gF2@=r8F
/// 将提示信息记录到Win2000/NT事件日志中 A''pS
/// <param name="message">需要记录的文本信息</param> M.[rLJZ4
/// </summary> QHlU|dR)Ry
public static void WriteInfo(String message) 6b=q-0yj
{ RU#F8O
WriteLog(TraceLevel.Info, message); OW@\./nM
} tTanW2C
/// <summary> HM9fjl[
/// 将跟踪信息记录到Win2000/NT事件日志中 y2|R.EU\m<
/// <param name="message">需要记录的文本信息</param> @n+=vC.xO
/// </summary> ]!
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public static void WriteTrace(String message) s:>\/[*>0c
{ 6'-As=iw
WriteLog(TraceLevel.Verbose, message); 3V<&|
} 19UN*g3(
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/// <summary> vVxD!EL
/// 格式化记录到事件日志的文本信息格式 quxdG>8
/// <param name="ex">需要格式化的异常对象</param> v|';!p|
/// <param name="catchInfo">异常信息标题字符串.</param> WyhhCR=;
/// <retvalue> Ond'R'3 \E
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> s Be7"^
/// </retvalue> [g|Y7.j8
/// </summary> [<c&|tfl
public static String FormatException(Exception ex, String catchInfo) Vu8,(A7D%O
{ ??&<k
StringBuilder strBuilder = new StringBuilder(); T^.Cc--c
if (catchInfo != String.Empty) p{$p
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{ 7:E!b=o#
strBuilder.Append(catchInfo).Append("\r\n"); !ZXUPH
} |a^U]
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); TFQ!7'xk)
return strBuilder.ToString(); 9ooY?J
} rf&M!d}!
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/// <summary> "tk-w{>
/// 实际事件日志写入方法 f .
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/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> <If35Z)~
/// <param name="messageText">要记录的文本.</param> i5}4(sV
/// </summary> 0MF}^"R
private static void WriteLog(TraceLevel level, String messageText) (qMj-l
{ {-/^QX]6
try !^c@shLN4
{ 8jlLUG:g
EventLogEntryType LogEntryType; m"eteA,"k_
switch (level) ZJW[?V\5=
{ 5&Ts7& .
case TraceLevel.Error: -e GL) M
LogEntryType = EventLogEntryType.Error; FDzqL;I
break; h&