1. 打开新的窗口并传送参数: #xw*;hW<
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传送参数: ,_RNZ
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response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") Gb\PubJ
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接收参数: R8Vf6]s_
string a = Request.QueryString("id"); Q'jw=w!|g
string b = Request.QueryString("id1"); ikV;]ox
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2.为按钮添加对话框 3EICdC
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); ^.!jD+=I
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") hyf
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3.删除表格选定记录 A+0-pF2D
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; }QE*-GVv]
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() u/u(Z&
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4.删除表格记录警告 #6<1
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private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) OpEH4X.Z
{ F. SB_S<'
switch(e.Item.ItemType) j/d}B_2
{ K8_v5
case ListItemType.Item : HT .*r6Y>g
case ListItemType.AlternatingItem : yQN{)rv
case ListItemType.EditItem: ^D$|$=|DH
TableCell myTableCell; \xCCJWek
myTableCell = e.Item.Cells[14]; =zcvR {Dkp
LinkButton myDeleteButton ; CC`_e^~y=F
myDeleteButton = (LinkButton)myTableCell.Controls[0]; \toU zTT
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); $3g{9)}
break; lbBWOx/|
default: }Ze*/p-
break; \H@1VgmR;
} c_D(%Vf5
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} aLGq<6Ja
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5.点击表格行链接另一页 |j`73@6
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) c
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{ VIP7j(#t_g
//点击表格打开 =\WF +r]V
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) 1^}I?PbqV
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); ^U*y*l$
} *(?Wzanh
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双击表格连接到另一页 wwB3m&
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在itemDataBind事件中 *7jz(iX
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) 0B]q /G(
{ +y?Ilkk;j
string OrderItemID =e.item.cells[1].Text; 6(f'P_*
... Yg^ &4ZF
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); Y#ZgrziYM
} [7FG;}lB-
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双击表格打开新一页 w#|L8VAh
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) i.vH$
{ R}M
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string OrderItemID =e.item.cells[1].Text; IT_I.5*A2
... :eVZ5?F
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); =Xh)34q
} I4X9RYB6c
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★特别注意:【?id=】 处不能为 【?id =】 m0"K^p
6.表格超连接列传递参数 TmQIpeych
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ M Irx,d
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> rGyAzL]
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7.表格点击改变颜色 K
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if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) ,_Z(!|
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{ /uwi$~Ed
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; >%j%Mj@8q|
this.style.color=’buttontext’;this.style.cursor=’default’;"); J~k9jeq9
} 5 8bW
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写在DataGrid的_ItemDataBound里 W&?Qs=@
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) <OMwi9
{ "<!U
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; aixX/se
this.style.color=’buttontext’;this.style.cursor=’default’;"); *9aJZWf>V
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); $v|W2k
} o8bd L<
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8.关于日期格式 hzqJ!
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日期格式设定 mLX/xM/T?/
DataFormatString="{0:yyyy-MM-dd}" x]+PWk
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我觉得应该在itembound事件中 )D,KG_7l
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) t~) P1Lof\
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9.获取错误信息并到指定页面 wGc7
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不要使用Response.Redirect,而应该使用Server.Transfer *2G6Q
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% =^/^[D
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// in global.asax FlBhCZ|^
protected void Application_Error(Object sender, EventArgs e) { FE~D:)Xj'?
if (Server.GetLastError() is HttpUnhandledException) Z7;V}[wie
Server.Transfer("MyErrorPage.aspx"); CJ IuMsZ
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) zR" cj
} ZSC*{dD$E
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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 Z[oF4 z
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10.清空Cookie 9P?0D
Cookie.Expires=[DateTime]; 4Z"}W!A
Response.Cookies("UserName").Expires = 0 m@td[^O-
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11.自定义异常处理 52w@.]
//自定义异常处理类 fZG Y'o&5
using System; qs5>`skX
using System.Diagnostics; s,HbW%s
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namespace MyAppException gq7tSkH@
{ u,sR2&Fe
/// <summary> cgg6E
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/// 从系统异常类ApplicationException继承的应用程序异常处理类。 vrnvv?HPrR
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 _%w680b'
/// </summary> j9p6rD
public class AppException:System.ApplicationException #De>EQ%
{ #,%bW[L<N
public AppException() ?d7,0Ex
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{ x< A-Ws{^V
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); -NBVUUAgN
} V(MYReaPC]
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public AppException(string message) v"USD<
{ AUnfhk@$
LogEvent(message); 8tj]@GE
} [C'bfX5HB5
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public AppException(string message,Exception innerException) p5G'})x
{ b6D;98p
LogEvent(message); |R`"Zu`
if (innerException != null) M3(N!xT
{ fF@w:;u
LogEvent(innerException.Message); ;qshd'?*
} `Ij@;=(
} \T7Mt|f:5
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//日志记录类 Y6` xb`
using System; 1EyN
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using System.Configuration; k# [!; <
using System.Diagnostics; <LHhs<M'
using System.IO; tW\yt~q,
using System.Text; "r9Rr_,
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using System.Threading; w'S,{GW
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namespace MyEventLog <DF3!r
{ qE[S>/R"
/// <summary> 3JnpI,By
/// 事件日志记录类,提供事件日志记录支持 |cvU2JI@
/// <remarks> F2"fOS
/// 定义了4个日志记录方法 (error, warning, info, trace) +jm,nM9
/// </remarks> \TQZZ_Z
/// </summary> kp m;ohd
public class ApplicationLog >Bt82ibN
{ M5dYcCDE
/// <summary> NkZG
/// 将错误信息记录到Win2000/NT事件日志中 bZqTT~'T
/// <param name="message">需要记录的文本信息</param> J=g)rd[`
/// </summary> O2w-nd74U
public static void WriteError(String message) zF1!a
{ Abc{<4 z0?
WriteLog(TraceLevel.Error, message); [9m3@Yd'
} FK%b@/7s~
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/// <summary> Hfcpqa
/// 将警告信息记录到Win2000/NT事件日志中 Jj4HJ9
/// <param name="message">需要记录的文本信息</param> I2Xd"RHN
/// </summary> @\K[WqF$$q
public static void WriteWarning(String message) vsY?q8+P
{ #}`sfaT
WriteLog(TraceLevel.Warning, message); ~6G
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} &7L7|{18
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/// <summary> q+ax]=w
/// 将提示信息记录到Win2000/NT事件日志中 :U6`n
/// <param name="message">需要记录的文本信息</param> e4z`:%vy
/// </summary> Q6h+.
public static void WriteInfo(String message) PL/g| ;
{ -F 5BJk
WriteLog(TraceLevel.Info, message); honh'j
} $0])%
/// <summary> 6u[fCGi%
/// 将跟踪信息记录到Win2000/NT事件日志中 3I6ocj[,
/// <param name="message">需要记录的文本信息</param> nm^HL|
/// </summary> !/FRL<mp
public static void WriteTrace(String message) 7'0Vb!(
{ kDmm
WriteLog(TraceLevel.Verbose, message); Ji4p6$ .j-
} >F/^y O
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/// <summary> ^Q/*on;A,/
/// 格式化记录到事件日志的文本信息格式 [+ud7l
/// <param name="ex">需要格式化的异常对象</param> I2[U #4n
/// <param name="catchInfo">异常信息标题字符串.</param> (s};MdXIz
/// <retvalue> ,AP&N'
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> qZ1'uln=C-
/// </retvalue> )6"}M;v
/// </summary> K-RmB4WI
public static String FormatException(Exception ex, String catchInfo)
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{ %OQdUH4x
StringBuilder strBuilder = new StringBuilder(); X9x`i
if (catchInfo != String.Empty) W06aj ~7Z
{ ?cU,%<r
strBuilder.Append(catchInfo).Append("\r\n"); |]\zlH"w
} ,i>`Urd
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); Bf{u:TCK
return strBuilder.ToString(); 7;>|9k
} q lc@$
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/// <summary> CPz<iU
/// 实际事件日志写入方法 ?ZF):}rvZ
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> Ailq,c
/// <param name="messageText">要记录的文本.</param> 6v`3/o
/// </summary> GZ%vFje_
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private static void WriteLog(TraceLevel level, String messageText) -/f$s1
{ %rwvY`\
try uwe#&