1. 打开新的窗口并传送参数: Dxj&9Ra
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传送参数: H$GJpXIb
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") -U'3kaX5<
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接收参数: (vL-Z[M!
string a = Request.QueryString("id"); H#yBWvj*H
string b = Request.QueryString("id1"); ,D#ssxV
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2.为按钮添加对话框 Buazm3q8H
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); ca~nfo
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") @nIoYT='
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3.删除表格选定记录 '#JC 6#X
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; gKyYBr
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() 9k5$rK`
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4.删除表格记录警告 ue?e}hF
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) ]r6S|;:
{ R`%C]uG
switch(e.Item.ItemType) DK-V3}`q}
{ e}V3dC^pU
case ListItemType.Item : dw6U}
case ListItemType.AlternatingItem : NFDh!HUm
case ListItemType.EditItem: 1$1s0yg
TableCell myTableCell; $A>\I3B
myTableCell = e.Item.Cells[14]; ?"23X Ke
LinkButton myDeleteButton ; +
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myDeleteButton = (LinkButton)myTableCell.Controls[0]; VG,O+I'^z
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); %OS}BAh^i
break; T4H/D^X|
default: 7-p9IFcA
break; HP`dfo~j
} kl(id8r
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} qyA%_;ReMY
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5.点击表格行链接另一页 j^ y9+W_b
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) a g=,oYn
{ G.ag$KF
//点击表格打开 0[ (Z48
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) 1^F
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e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); LI`L!6^l
} x}acxu 2H7
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双击表格连接到另一页 Z %?:
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在itemDataBind事件中 m*'^*#
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) "YW&,X5R
{ `TugtzRU
string OrderItemID =e.item.cells[1].Text; +@n8DM{b
... P;B<R"
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); J`uO~W"
} _tl
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双击表格打开新一页 ED0Vlw+1
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) f=$w,^)M
{ $>Y2N5
string OrderItemID =e.item.cells[1].Text; l'Oz-p.@
... B;k3YOg
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); <oJM||ZA
} R8Kj3wp
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★特别注意:【?id=】 处不能为 【?id =】 :[hZn/
6.表格超连接列传递参数 n2e#rn
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ cM'\u~m{
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> V5]}b[X
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7.表格点击改变颜色 5"5tY
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) % 3"xn!'vf
{ osBwX.G'l
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; \w;d4r8x
this.style.color=’buttontext’;this.style.cursor=’default’;"); ,RP"m#l!\
} G&eRhif
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写在DataGrid的_ItemDataBound里 >v
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if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) B~\mr{|u
{ ](^$5Am
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; ]g/:l S4
this.style.color=’buttontext’;this.style.cursor=’default’;"); ef
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e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); {>x6SVF
} P@LFX[HtM
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8.关于日期格式 :TPT]q
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日期格式设定 FR bmeq3c
DataFormatString="{0:yyyy-MM-dd}" pJnT \~o
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我觉得应该在itembound事件中 "L?h@8sa
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) o7_*#5rD
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9.获取错误信息并到指定页面 D90.z"N\i9
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不要使用Response.Redirect,而应该使用Server.Transfer BVJ6U[h`
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// in global.asax &3@{?K
protected void Application_Error(Object sender, EventArgs e) { IdHydY1
if (Server.GetLastError() is HttpUnhandledException) %a'Nf/9=:
Server.Transfer("MyErrorPage.aspx"); <`PW4zSI
a/@F?\A
//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) F rKI=8
} V:YN!
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Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 :!'!V>#g
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10.清空Cookie FZk=-.Hk
Cookie.Expires=[DateTime]; %ZKP d8
Response.Cookies("UserName").Expires = 0 '<$!?="
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11.自定义异常处理 IasWm/
//自定义异常处理类 @zQ.d{
using System; fV "gL(7
using System.Diagnostics; ' F,.y6QU
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namespace MyAppException ekR/X
{ r bfIH":
/// <summary> cs-wqxTX[$
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 ?W27
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/// 自动将异常内容记录到Windows NT/2000的应用程序日志 /s/\5-U7q
/// </summary> zUQn*Cio e
public class AppException:System.ApplicationException iNlY\67sW
{ o0Z~9iF&
public AppException() 4\#b@1]}
{ EC:u;2f!
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); \dx$G?R
} jmE\+yz
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public AppException(string message) XCo3pB
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{ VZhHO
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LogEvent(message); d~|/LR5
} 8:9/RL\"x
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public AppException(string message,Exception innerException) PLV-De
{ $2kZM4
LogEvent(message); ;YfKG8(0
if (innerException != null) ?D\6@G:,#@
{ q{c/TRp7
LogEvent(innerException.Message); }hm"49,O
} X2PyFe
} Gg,&~
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//日志记录类 c}-WK*v
using System; EqYBT
using System.Configuration; Vm"{m/K0
using System.Diagnostics; `mt x+C
using System.IO; I{8sLzA03S
using System.Text; 17C"@1n-
using System.Threading; ;_nV*G.y#^
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namespace MyEventLog L>ruNw'-K
{ _u]S/X-
/// <summary> ^&|KuI+u
/// 事件日志记录类,提供事件日志记录支持 c %f'rj
/// <remarks> v PJ=~*P=
/// 定义了4个日志记录方法 (error, warning, info, trace) 1y{@fg~..
/// </remarks> R'z
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/// </summary> ir?Y>
public class ApplicationLog =qNZ7>Qw
{ o9JZ-biH
/// <summary> iD(+\:E
/// 将错误信息记录到Win2000/NT事件日志中 #;lB5) oe
/// <param name="message">需要记录的文本信息</param> !RPPwvNk4
/// </summary> U4.-{.
public static void WriteError(String message) Kqn{q4L
{ -qDM(zR
WriteLog(TraceLevel.Error, message); RAs5<US:
} c_N'S_)~7Q
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/// <summary> QcN$TxU >
/// 将警告信息记录到Win2000/NT事件日志中 QqdVN3#1z
/// <param name="message">需要记录的文本信息</param> *[ww;
/// </summary> o_#F,gze)S
public static void WriteWarning(String message) +gh*n,:|
{ oScKL#Hu
WriteLog(TraceLevel.Warning, message); tB<2mjg
} v-MrurQ4
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/// <summary> scZSnCrR
/// 将提示信息记录到Win2000/NT事件日志中 |%tI!RN):
/// <param name="message">需要记录的文本信息</param> SmMJ%lgA6
/// </summary> 713)D4y}
public static void WriteInfo(String message) ixjhZk i<
{ FG{45/0We
WriteLog(TraceLevel.Info, message); +wpQ$)\
} 8j^3_lD
/// <summary> mW 4{*
/// 将跟踪信息记录到Win2000/NT事件日志中 Cu,#w3JR
/// <param name="message">需要记录的文本信息</param> #^zUaPV 7r
/// </summary> pN-c9n4#j
public static void WriteTrace(String message) x#hGJT
{ dFw>SYrpu
WriteLog(TraceLevel.Verbose, message); q)F@f /
}
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/// <summary> =JM !`[
/// 格式化记录到事件日志的文本信息格式 (\A~SKEX
/// <param name="ex">需要格式化的异常对象</param> iqAME%m
/// <param name="catchInfo">异常信息标题字符串.</param> AZ'"Ua
/// <retvalue> UPr8Q^wm
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> QZO9CLX 8k
/// </retvalue> J.g4I|{
/// </summary> ,>vI|p,/G*
public static String FormatException(Exception ex, String catchInfo) :h!&.FB
{ ;R4qE$u2^
StringBuilder strBuilder = new StringBuilder(); JZom#A.
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if (catchInfo != String.Empty) eI:;l];G9
{ :WM[[LOaC
strBuilder.Append(catchInfo).Append("\r\n"); ns}"[44C}l
} bKb}VP
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); ><