1. 打开新的窗口并传送参数: v&FF|)$
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传送参数: W(fr<<hL
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") l8K5k:XCU3
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接收参数: >MJ?g-
string a = Request.QueryString("id"); KNgH|5Pb
string b = Request.QueryString("id1"); EliTFxp
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2.为按钮添加对话框 \8OO)98'
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); fQ>4MKLw=d
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") ]aCk_*U
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3.删除表格选定记录 .ut{,(5
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; j<%])
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() 2fIRlrA$
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4.删除表格记录警告 HmK*b Z
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) XS~- vF
{ C}IbxKl
switch(e.Item.ItemType) 0i[zup
{ R6 XuA(5
case ListItemType.Item : =rPrPb
case ListItemType.AlternatingItem : Kt>X[o3m,
case ListItemType.EditItem: ~#\i!I;RY}
TableCell myTableCell; 6pE :A@
myTableCell = e.Item.Cells[14]; h x6;YV
LinkButton myDeleteButton ; h?\2_s
myDeleteButton = (LinkButton)myTableCell.Controls[0]; S~$'WA
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); ea=83 Zj
break; Wi n8LOC
default: cD1o"bq
break; &$`hQgi
} "HM{b?N
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}
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5.点击表格行链接另一页 8|twV35
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) xa( m5P
{ 2}}?'PwwT
//点击表格打开 Ja]oGT=e
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) &Y@#g9G
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); =j0x.fSe
} !}3,B28
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双击表格连接到另一页 .DJDpP)M
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在itemDataBind事件中 h$C@j~
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) DJhb
{ u"$a>S_
string OrderItemID =e.item.cells[1].Text; 0BkV/v1Uc
... r0m)j
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); 5CJZw3q
} p@&R0>6j
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双击表格打开新一页 ?3sT"r_d@
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) ")s!L"x
{ d_}a`H
string OrderItemID =e.item.cells[1].Text; |c-LSs'\
... Oi:JiD=
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); -7'#2P<)
} 9CUimZ
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★特别注意:【?id=】 处不能为 【?id =】 4lc)&
6.表格超连接列传递参数 *2u
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<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ 8dT'xuch
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> rlok%Rt4Z
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7.表格点击改变颜色 .BTx&AqU
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) !jS4!2'
{ pt:;9hA
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; v@ONo?)
this.style.color=’buttontext’;this.style.cursor=’default’;"); +I|8Q|^SD
} X7aXxPCq1
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写在DataGrid的_ItemDataBound里 HOYq?40.R
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) 5!fSW2N
{ #G_/.h@
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; x;$|#]+
this.style.color=’buttontext’;this.style.cursor=’default’;"); <Mgf]v.QS
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); ~] =?b)B
} ((3t:
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8.关于日期格式 %u]6KrG18b
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日期格式设定 EHf)^]Z
DataFormatString="{0:yyyy-MM-dd}" sV0Z
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我觉得应该在itembound事件中 <4F7@q,V
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) ;:#U6?=t
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9.获取错误信息并到指定页面 #-x@"+z
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不要使用Response.Redirect,而应该使用Server.Transfer zi!#\s^
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// in global.asax Rlg#z4m
protected void Application_Error(Object sender, EventArgs e) { P!+v:'P5f
if (Server.GetLastError() is HttpUnhandledException) okBE|g
Server.Transfer("MyErrorPage.aspx"); gn5% F5W
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) {*=E?oF@
} , p0KLU\-
*8!w&ME+.
Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 A|vP$zy
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10.清空Cookie rnvQ<671W
Cookie.Expires=[DateTime]; NXgRNca
Response.Cookies("UserName").Expires = 0 }z'DWp=uN
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11.自定义异常处理 g5R,% 6
//自定义异常处理类 {vfq
using System; (L#%!bd
using System.Diagnostics; 1k>naf~O
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namespace MyAppException GJak.,0t
{ _'JRo%{xGX
/// <summary> iPU% /_>
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 }K8Lm-.=
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 7z<Cu<
/// </summary> QFzFL-H~N
public class AppException:System.ApplicationException Yn1?#%%
{ VN|G5*
public AppException() xURw,
{ }'`xu9<
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); :HZ;Po
} _'c+fG
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public AppException(string message) _W9&J&l0so
{ rbh[j@s@
LogEvent(message); zUQe0Gc.b^
} ~PYFYjHC
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public AppException(string message,Exception innerException) >ITEd
{ ;f(n.i
LogEvent(message); =jUnM>23
if (innerException != null) 56ZrCr
{ jM\ %$_/
LogEvent(innerException.Message); V Cf|`V~ G
} 0#`)Prop6
} l:z};
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//日志记录类 Qtnv#9%Vi
using System; EW;1`x
using System.Configuration; P!>g7X
using System.Diagnostics; 3uO8v{`
using System.IO; [0op)Kn
using System.Text; a 2E t,WA%
using System.Threading; JjDS"hK#
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namespace MyEventLog U9F6d!:L7A
{ sS'{QIRC'
/// <summary> ++k J\N{
/// 事件日志记录类,提供事件日志记录支持 RO$*G
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/// <remarks> ]+lF=kkc%
/// 定义了4个日志记录方法 (error, warning, info, trace) paYz[Xq
/// </remarks> ^?sSx!:bZ
/// </summary> V g6S/-
public class ApplicationLog ]Da4.s*mW
{ +U=KXv
/// <summary> dgY5ccP
/// 将错误信息记录到Win2000/NT事件日志中 ecT]p
/// <param name="message">需要记录的文本信息</param> "s;ci~$
/// </summary> }#|2z}!
public static void WriteError(String message) [k~C+FI
{ z"3H{ A
WriteLog(TraceLevel.Error, message); .)0gz!Z
} [)k2=67
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/// <summary> 5C65v:Q`N
/// 将警告信息记录到Win2000/NT事件日志中 @|'Z@>!/pV
/// <param name="message">需要记录的文本信息</param> wNR=?Z~
/// </summary> 6>lW5U^yA\
public static void WriteWarning(String message) 'F<Sf:?.p
{ (l2<+R%1
WriteLog(TraceLevel.Warning, message); gQ,4xTX
} No~6s.H
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/// <summary> D0KELAcY
/// 将提示信息记录到Win2000/NT事件日志中 ]eD [4Y\#t
/// <param name="message">需要记录的文本信息</param> E]?2!)mgce
/// </summary> d~,n_E$q;
public static void WriteInfo(String message) 1V\1]J/
{ YOlH*cZtg
WriteLog(TraceLevel.Info, message); klo^K9!
} YiO3<}Uf
/// <summary> U#$:\fT
/// 将跟踪信息记录到Win2000/NT事件日志中 P8u"T!G
/// <param name="message">需要记录的文本信息</param> gvK"*aIj
/// </summary> ^:U;rHY
public static void WriteTrace(String message) %WmZ ]@M
{ s1v{~xP
WriteLog(TraceLevel.Verbose, message); Qv74?B@
} | 4%v"U
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/// <summary> ]svw
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/// 格式化记录到事件日志的文本信息格式 zM)M_L
/// <param name="ex">需要格式化的异常对象</param> 8vu2k>
/// <param name="catchInfo">异常信息标题字符串.</param> vo.EM1x
/// <retvalue> 78gob&p?
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> eNivlJ,K|@
/// </retvalue> }:"R-s
/// </summary> ELD
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public static String FormatException(Exception ex, String catchInfo) /T{mS7EpYc
{ sbpu
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StringBuilder strBuilder = new StringBuilder(); ,qYf#fU#7
if (catchInfo != String.Empty) w
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{ z^"?sd
strBuilder.Append(catchInfo).Append("\r\n"); $/os{tzjd
} k:W=5{[
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); m/cx|b3hqv
return strBuilder.ToString(); vDWr|M%``l
} n/Or~@pHD
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/// <summary> &