1. 打开新的窗口并传送参数: 'r?HL;,q
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传送参数: YvP"W/5
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") uL2{v
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接收参数: (9[C0e S
string a = Request.QueryString("id"); G>{:D'#
string b = Request.QueryString("id1"); $E@.G1T [
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2.为按钮添加对话框 ,tv9+n@x
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); 6Bq2?;5
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") Qc
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3.删除表格选定记录 A
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int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; @.]K6qC
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() Px?At5
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4.删除表格记录警告 2] wf`9ZH
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) Q{|'g5(O
{ `::(jW.KO
switch(e.Item.ItemType) UeiJhH,u
{ iKEKk\j-w
case ListItemType.Item : L"vG:Mq@D
case ListItemType.AlternatingItem : cS ;=_%~
case ListItemType.EditItem: &/#Tk>:
TableCell myTableCell; i^V4N4ux]
myTableCell = e.Item.Cells[14]; @f01xh=8
LinkButton myDeleteButton ; u9~V2>r\
myDeleteButton = (LinkButton)myTableCell.Controls[0]; xbH!:R;
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); $8 ww]}K
break; A5H8+gATK
default: k49n9EX
break; xA1pDrfC/
}
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} 7/$Z7J!k
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5.点击表格行链接另一页 8_,wOkk_B
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) exMPw;8
{ =d4',[O
//点击表格打开 }6{ )Jv
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) .$}zw|,q
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); FZ.Yn
} !rmo*-=^=
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双击表格连接到另一页 K~~*M?.Z
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在itemDataBind事件中 ia.B@u1/
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) [&}<!:9'
{ ;%.k}R%O@
string OrderItemID =e.item.cells[1].Text; 6!PX!
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...
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e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); Gg,k
} ,7nb;$]
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双击表格打开新一页 0J,d9a [1
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) G/;aZ
{ Jt^JE{m9%
string OrderItemID =e.item.cells[1].Text; .xQ'^P_q
... hQLx"R$
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); E0%Y%PQ**{
} jl%eO.
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★特别注意:【?id=】 处不能为 【?id =】 ?U[nYp}"v
6.表格超连接列传递参数 $W]guG
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ 48*pKbbM4
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> *1]k&#s
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7.表格点击改变颜色 4U1fPyt
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) 4!W?z2ly~R
{ wbKBwI5w
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; !x /Z"
this.style.color=’buttontext’;this.style.cursor=’default’;"); bH]!~[
} &y wY?ox
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写在DataGrid的_ItemDataBound里 03\8e?$
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) 5Kxk9{\8
{ KvOI)"0(
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; `%:(IGxz
this.style.color=’buttontext’;this.style.cursor=’default’;"); Yzx0 [_'u
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); 4T\/wyq0
} ^u&Khc~
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8.关于日期格式 eC:Q)%$%l
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日期格式设定 xJ5!`#=
DataFormatString="{0:yyyy-MM-dd}" &!fcL Jd
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我觉得应该在itembound事件中 5!fW&OiY
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) vyy\^nL
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9.获取错误信息并到指定页面 JNCtsfd
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不要使用Response.Redirect,而应该使用Server.Transfer -zkL)<7
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// in global.asax OvG |=
protected void Application_Error(Object sender, EventArgs e) { Pt;Ahmi
if (Server.GetLastError() is HttpUnhandledException) RIx6& 7$
Server.Transfer("MyErrorPage.aspx"); !9OgA
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) 6MQ:C'8T&=
} QP0X8%+p
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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 5ml}TSMu'
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10.清空Cookie |H@p^.;
Cookie.Expires=[DateTime]; 84cH|j`w
Response.Cookies("UserName").Expires = 0 =i %w_e
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11.自定义异常处理 ZJM^P'r.1c
//自定义异常处理类 Bq`kVfx
using System; k;X1x65uP
using System.Diagnostics; zwK;6&(W
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namespace MyAppException =%G[vm/-)
{ (fb\A6
/// <summary> Lwk-
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 BBj"}~da
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 C{^@. 8:
/// </summary> rJj~cPwL"
public class AppException:System.ApplicationException z5w|+9U
{ POs~xaZ`H
public AppException() %W@IB8]Vr
{ ( "z;Q?(
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); S3wH
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} qRLypm
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public AppException(string message) y Dw!u[:
{ sRnMBW.
LogEvent(message); F
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} KK|Jach
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public AppException(string message,Exception innerException) o|C{ s
{ 1ki"UF/
LogEvent(message); x*V<afLY[
if (innerException != null) ! .}{
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{ NDGBvb
LogEvent(innerException.Message); )Cfrqe1^
} E+ 20->
} rNp#5[e
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//日志记录类 Gjr2]t;E
using System; !~v>&bCG>9
using System.Configuration; (P8oXb+%
using System.Diagnostics; -C<aB750O)
using System.IO; Wno5B/V
using System.Text; 5!*a,$S
using System.Threading; q>X2=&1
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namespace MyEventLog *h6i9V%'
{ 1A`";E&
/// <summary> nsk
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/// 事件日志记录类,提供事件日志记录支持 R0'EoX
/// <remarks> m"]ys#
/// 定义了4个日志记录方法 (error, warning, info, trace) M+:wa@Kl
/// </remarks> t68RWzqiG[
/// </summary> 1fZ:^|\
public class ApplicationLog 1YL5 ![T
{ IrC=9%pd$R
/// <summary> L;`t%1
/// 将错误信息记录到Win2000/NT事件日志中 K4~Ox
/// <param name="message">需要记录的文本信息</param> 5Bo)j_Qo
/// </summary> Fwqf4&/
public static void WriteError(String message) U)8]pUI+/P
{ Jmx}r,j
WriteLog(TraceLevel.Error, message); _#B/#^a
} 5;Xrf=
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/// <summary> wt;aO_l
/// 将警告信息记录到Win2000/NT事件日志中 xkovoTzV
/// <param name="message">需要记录的文本信息</param> FeLP!oS>
/// </summary> B?Skw{&
public static void WriteWarning(String message) (%}C
{ Z
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WriteLog(TraceLevel.Warning, message); @35shLs
} +_Z/VQv
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/// <summary> lfP|+=^B
/// 将提示信息记录到Win2000/NT事件日志中 pkx>6(Y
/// <param name="message">需要记录的文本信息</param> vKf=t&gqr
/// </summary> IIkJ"Qg.
public static void WriteInfo(String message) f'dI"o&^/d
{ Km7
WriteLog(TraceLevel.Info, message); 5@ug1F&
} wn&2-m*a
/// <summary> X $f%Ss
/// 将跟踪信息记录到Win2000/NT事件日志中 .EO1{2=
/// <param name="message">需要记录的文本信息</param> )VC) }
/// </summary> PQ>JoRs
public static void WriteTrace(String message) $'q(Z@
{ nCU4a1rZ
WriteLog(TraceLevel.Verbose, message); cx}-tj"m-
} k9n93I|Cm
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/// <summary> pyKag;ZtP
/// 格式化记录到事件日志的文本信息格式 5,C,q%2
/// <param name="ex">需要格式化的异常对象</param> Df (6DuW
/// <param name="catchInfo">异常信息标题字符串.</param> t=AR>M!w~
/// <retvalue> 5mU_S\)4:z
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> ^> fs
/// </retvalue> Q1z04m1_y[
/// </summary> yhaYlYv[_3
public static String FormatException(Exception ex, String catchInfo) oWmla*nCKL
{ j7&l&)5
StringBuilder strBuilder = new StringBuilder(); V_!i KEU
if (catchInfo != String.Empty) @V)WJ{
{ q]x@q
strBuilder.Append(catchInfo).Append("\r\n"); 'Nh^SbD+_|
} bd4q/w4q
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); `Nj|}^A
return strBuilder.ToString(); Bh?;\D'YC
} KXJHb{?
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/// <summary> }8HLyK,4
/// 实际事件日志写入方法 i7FEjjGtG
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> JFZ p^{
/// <param name="messageText">要记录的文本.</param> P*>V6SK>b
/// </summary> 8{C3ijR
private static void WriteLog(TraceLevel level, String messageText) Tx*m
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{ fvDwg
try *M:Bhw
{ |wDCIHzQ
EventLogEntryType LogEntryType; n[@Ur2&