1. 打开新的窗口并传送参数: T1yJp$yD"
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传送参数: Enr8"+.(
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") "1P8[
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接收参数: Et{4*+A
string a = Request.QueryString("id"); 3]Rb2$p[=
string b = Request.QueryString("id1"); L ;5uB2
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2.为按钮添加对话框 2VaQxctk
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); *ZP$dQ
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") bp Q/#\Z
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3.删除表格选定记录 {p&M(W]
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; lN"%~n?
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() 8/cD7O
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4.删除表格记录警告 g2;!AI5f
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) ~_^#/BnAl
{ wc##'u
switch(e.Item.ItemType) L h"K"Uv
{
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case ListItemType.Item : 7u/_3x1
case ListItemType.AlternatingItem : K4938
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case ListItemType.EditItem: 6}bUX_!&s
TableCell myTableCell; nRq@hk
myTableCell = e.Item.Cells[14]; Bu4J8eLx
LinkButton myDeleteButton ; _kR);\V.8
myDeleteButton = (LinkButton)myTableCell.Controls[0]; g_8Bhe"ik
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); ;ew j
break; }S84^2J_
default: hkOhY3K5
break; b?Dhhf
} f?)BAah
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} }c/p+Wo
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5.点击表格行链接另一页
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private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) {=n-S2%
{ 4LY
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//点击表格打开 [|{2&830
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) $kPC"!X\
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); @&!`.Y oy
} -58
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双击表格连接到另一页 bF'Y.+"dr
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在itemDataBind事件中 9I3vW]0x[
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) ""-#b^DQ
{ }"k+e^0^
string OrderItemID =e.item.cells[1].Text; 09FHE/L
... ;2lKo ="
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); 72J@Dc
} vFuf{ @P
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双击表格打开新一页 r3.A!*!
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) Rw8l"`
{ IK#W80y
string OrderItemID =e.item.cells[1].Text; 5\hJ&
... Gwl]sMJ
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); 4x8e~/
} R+}x#
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★特别注意:【?id=】 处不能为 【?id =】 px `o.%`'
6.表格超连接列传递参数 Co`O{|NS}!
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ =b\k$WQ_(
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> SRL`!
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7.表格点击改变颜色 cL/6p0S
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) 8=XfwwWHy<
{ NI(fJ%U
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; XkG:1H;Q%
this.style.color=’buttontext’;this.style.cursor=’default’;"); {km~,]N
} wi7a_^{
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写在DataGrid的_ItemDataBound里 ;7Hse^Oc
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) h.A@o#x
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e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; R)p+#F(s
this.style.color=’buttontext’;this.style.cursor=’default’;"); (\CT
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e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); WFl, u!"A
} O
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8.关于日期格式 (qf%,F,_L
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日期格式设定 8uj;RG
DataFormatString="{0:yyyy-MM-dd}" {P/5cw
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我觉得应该在itembound事件中 .ZV-]jgr
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) K,ccM[hu|
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9.获取错误信息并到指定页面 A/WmVv6
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不要使用Response.Redirect,而应该使用Server.Transfer 2X:OS/
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e.g 676r0`
// in global.asax EAPLe{qw:q
protected void Application_Error(Object sender, EventArgs e) { P(n_eIF-f
if (Server.GetLastError() is HttpUnhandledException) w1#1s|
Server.Transfer("MyErrorPage.aspx"); X&s@S5=r]
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) J)*7JX
} +>w %j&B
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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 l r16*2.
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10.清空Cookie ,aA%,C.0U
Cookie.Expires=[DateTime]; vs*Q {
Response.Cookies("UserName").Expires = 0 p3Ey[kURp
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11.自定义异常处理 Vo G`@^s
//自定义异常处理类 /=+y[y3`
using System; +NM`y=@@
using System.Diagnostics; Cyn_UE
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namespace MyAppException KtR*/<7IC
{ y}.?`/Q#
/// <summary> 0q !
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 Ig.9:v`
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 V\2&?#GZ
/// </summary> JX $vz*KF
public class AppException:System.ApplicationException x5Z(_hU
{ :m{;<LRV
public AppException() y%wjQC 0~
{ ,cF
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if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); It@1!_tO2
} xGBp+j1H
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public AppException(string message) !#b8QER
{ *~b}]M700
LogEvent(message); o&PPW~D+h@
} ]Av)N6$&-Z
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public AppException(string message,Exception innerException) C"JFN(f
{ V=+wsc
LogEvent(message); X1N*}@:/
if (innerException != null) eGEeWJ}[$
{ ]?/7iM
LogEvent(innerException.Message);
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} `;\<Fr
} @qaK5
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//日志记录类 l`M7a9*U
using System; uY"Bgz:=d
using System.Configuration; !=t.AgmL
using System.Diagnostics; >oOZDuj
using System.IO; aplOo[
using System.Text; 6+Bccqn|
using System.Threading; mY& HK)
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namespace MyEventLog /P}Wp[)u
{ rf[w&~R
/// <summary> r'/H3
/// 事件日志记录类,提供事件日志记录支持 d7)EzW|I;
/// <remarks> y G{;kJ P
/// 定义了4个日志记录方法 (error, warning, info, trace) x[w!buV0\
/// </remarks> sfuA
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/// </summary> |mO4+:-~D+
public class ApplicationLog
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{ ~ v21b?
/// <summary> aIsT"6A~{
/// 将错误信息记录到Win2000/NT事件日志中 ySXQn#}-,
/// <param name="message">需要记录的文本信息</param> $RJpn]d
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/// </summary> hiM nU
public static void WriteError(String message) +_E\Omcw
{ lgL|[ik`
WriteLog(TraceLevel.Error, message); gWZzOH*
} }vGWlNd#g
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/// <summary> FLE2]cL-
/// 将警告信息记录到Win2000/NT事件日志中 q%H#04Yh
/// <param name="message">需要记录的文本信息</param> xD|CQo}:
/// </summary> LE1#pB3TG
public static void WriteWarning(String message) x6BO%1
{ &qO#EEqG]
WriteLog(TraceLevel.Warning, message); /O$7A7Tl
} +uD4$Wt_F
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/// <summary> wm<`0}
/// 将提示信息记录到Win2000/NT事件日志中 $QB~ x{v@n
/// <param name="message">需要记录的文本信息</param> <hA1[S}
/// </summary> -ghmLMS%t
public static void WriteInfo(String message) Dno'-{-
{ m[t4XK
WriteLog(TraceLevel.Info, message); n( } zq
} dhAkD-Lh
/// <summary> 4U1!SR]s
/// 将跟踪信息记录到Win2000/NT事件日志中 3tZC&!x?
/// <param name="message">需要记录的文本信息</param> `1T?\
/// </summary> zx7g5;J
public static void WriteTrace(String message) Y>l92=G
{ p!wx10b
WriteLog(TraceLevel.Verbose, message); J_H=GHMp}
} ?;dfA/
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/// <summary> k ='c*`IE
/// 格式化记录到事件日志的文本信息格式 6S2u%-]
/// <param name="ex">需要格式化的异常对象</param> |~y>R#u8pm
/// <param name="catchInfo">异常信息标题字符串.</param> 0';U3:=i,
/// <retvalue> -hpJL\ng
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> a1 I"Sh
/// </retvalue> u*aFWl]=
/// </summary> i3s,C;7[2
public static String FormatException(Exception ex, String catchInfo) >kLUQ%zE@
{ ]sbj8
StringBuilder strBuilder = new StringBuilder(); \en}8r9cy
if (catchInfo != String.Empty) k^vsQ'TD
{ D@]*{WO
strBuilder.Append(catchInfo).Append("\r\n"); f'2Ufd|J|
} aUBGp: (
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); .8O.
return strBuilder.ToString(); )U~,q>H+
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} )0Lno|l
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/// <summary> "/O`#Do/
/// 实际事件日志写入方法 *&m{)cTs
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> BJ]4j-^o
/// <param name="messageText">要记录的文本.</param> PS13h_j
/// </summary> giDe
private static void WriteLog(TraceLevel level, String messageText) [YsN c
{ RJz$$,RU
try +].Zs<