1. 打开新的窗口并传送参数: Tjnt(5 g
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传送参数: O"
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response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") E$]a?uA:
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接收参数: eaV3)uP
string a = Request.QueryString("id"); cT/3yf
string b = Request.QueryString("id1"); gB(9vhj$
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2.为按钮添加对话框 -Bo86t)F
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); *'Z-OY<V
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") >Hdjsu5{N
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3.删除表格选定记录 uz*d^gr}
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; E4Y"X
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() -'80>[}q/
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4.删除表格记录警告 )-0[ra]
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) eQ$N:]
{ ' 2>l
switch(e.Item.ItemType) 84iJ[Fq{
{ Z:I*y7V-
case ListItemType.Item : ]UK`?J=t2g
case ListItemType.AlternatingItem : Px'R`1^
case ListItemType.EditItem: "Jb3&qdU
TableCell myTableCell; LWD.
myTableCell = e.Item.Cells[14]; E9^(0\Z
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LinkButton myDeleteButton ; ^4+r*YvcM
myDeleteButton = (LinkButton)myTableCell.Controls[0]; J1.qhy>
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); *Y8XP8u/
break; jMK3T
default: HDyQzCG,
break; 48wDf_<f5=
} YV*b~6{d
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} ;5<P|:^
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5.点击表格行链接另一页 Xa4GqV9M/-
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) FI\IY
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{ '4$lL6ly>
//点击表格打开 R"NGJu9
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) >OT\~C
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); LRWOBD
} doLkrEm&
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双击表格连接到另一页 S2ark,sp6
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在itemDataBind事件中 uii7b7[w
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) e[s5N:IUd3
{ Z*9L'd"D|
string OrderItemID =e.item.cells[1].Text; f7Yz>To
... 8fnR1mWG
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); pP3U,n
} xFOBF")
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双击表格打开新一页 QO@6VY@
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) for{
{ sN-oEqS
string OrderItemID =e.item.cells[1].Text; ]5N zK=2{
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e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); T0r<O_ubOA
} ; VBpp<
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★特别注意:【?id=】 处不能为 【?id =】 |B
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6.表格超连接列传递参数 d^tVD`Fm
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ *MI)]S
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> vEF=e
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7.表格点击改变颜色 2sUbiDe-
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) QeL{Wa-2F
{ 58J_ w X
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; IK3qE!,&U
this.style.color=’buttontext’;this.style.cursor=’default’;"); D%A@lMru
} P 4QkY#v
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写在DataGrid的_ItemDataBound里 g&bwtEZ
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) |ixGY^3;
{ }hCaNQ&jH
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; $R";
this.style.color=’buttontext’;this.style.cursor=’default’;"); 0rcjorWI
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); ^PC\E}
} ~Yl<S(/4
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8.关于日期格式 wk@yTTnb
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日期格式设定 ?NlSeh
DataFormatString="{0:yyyy-MM-dd}" :Dayv6g
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我觉得应该在itembound事件中 b"t")U==
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) v{.\iIg N
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9.获取错误信息并到指定页面 EX4
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不要使用Response.Redirect,而应该使用Server.Transfer PRwu
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// in global.asax `dO}L
protected void Application_Error(Object sender, EventArgs e) { ".E5t@ }?m
if (Server.GetLastError() is HttpUnhandledException) ywEDy|Wn$~
Server.Transfer("MyErrorPage.aspx"); jXWNHIl)@
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) "7d.i(vw
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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 s@s/'^`
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10.清空Cookie 2 h<U
Cookie.Expires=[DateTime]; y@`~ 9$
Response.Cookies("UserName").Expires = 0 b_l3+'#ofM
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11.自定义异常处理 U{}!y3[wK
//自定义异常处理类 Af9+HI
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using System; "J!}3)n
using System.Diagnostics; yb?{LL-uy
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namespace MyAppException /[iG5~G
{ 69/?7r
/// <summary> (zC
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 /l6\^Xf{
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 H|`R4hAk
/// </summary> Yx),6C3
public class AppException:System.ApplicationException ?q!FG(
{ ~.6|dw\p!
public AppException() 7]s%rya
{ !}5*?k
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if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); qg4fR' i
} 7 2,"Cj
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public AppException(string message) Qci$YTwl>
{ jTfi@5aPY
LogEvent(message); o%`npi1y
} VgMP^&/gZ
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public AppException(string message,Exception innerException) %`+'v_iu
{ ej52AK7
LogEvent(message); ?/'}JS(Sm
if (innerException != null) <0 uOq
{ Qn.[{rw
LogEvent(innerException.Message); P"F{=\V1`<
} jV^C19
} {6O0.}q]&
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//日志记录类 hwVAXsF~
using System; h!e2
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using System.Configuration; J &{xP8uq_
using System.Diagnostics; Obo _YE
using System.IO; eh<rRx"[
using System.Text; ]*;F. pZ
using System.Threading; Go <'
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namespace MyEventLog 6Y7H|>g)
{ <GF @L
/// <summary> #6W,6(#^#
/// 事件日志记录类,提供事件日志记录支持 nU/;2=f<
/// <remarks> O!^; mhy"
/// 定义了4个日志记录方法 (error, warning, info, trace) w^{!U
/// </remarks> =IHje;s
/// </summary> CCqT tp
public class ApplicationLog WeC(w+}p
{ &g0g]G21*I
/// <summary> :#$F)]y'\
/// 将错误信息记录到Win2000/NT事件日志中 J#aVo&.Y
/// <param name="message">需要记录的文本信息</param> <MdGe1n
/// </summary> #hJQbv=B"
public static void WriteError(String message) bRPO:lAy
{ =nU/ [T.
WriteLog(TraceLevel.Error, message); h/<=u9J
} R#qI(V
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/// <summary> ^u)rB<#BR
/// 将警告信息记录到Win2000/NT事件日志中 i2PZ'.sL
/// <param name="message">需要记录的文本信息</param> 5/MED}9C(
/// </summary> t3b@P4c\
public static void WriteWarning(String message) [U.v:tR
{ Rri`dmH
WriteLog(TraceLevel.Warning, message); 6Cc7ejt|u
} DMZ`Sx
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/// <summary> G {b:i8}l
/// 将提示信息记录到Win2000/NT事件日志中 )~
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/// <param name="message">需要记录的文本信息</param> = .`jjDJ
/// </summary> vM`~)rO@!
public static void WriteInfo(String message) |RhM| i
{ B:9.e?t
WriteLog(TraceLevel.Info, message); f=`33m5
} SRL-Z&M
/// <summary> vPmnN^
/// 将跟踪信息记录到Win2000/NT事件日志中 Yc`<S
/// <param name="message">需要记录的文本信息</param> BU6Jyuwn
/// </summary> ^$Krub{|
public static void WriteTrace(String message) ssl&5AS
{ 8h.V4/?
WriteLog(TraceLevel.Verbose, message); ^%#grX#
} 'Kz9ygZy
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/// <summary> 'jvpNn
/// 格式化记录到事件日志的文本信息格式 rWQY?K@
/// <param name="ex">需要格式化的异常对象</param> 8Xn!Kpa
/// <param name="catchInfo">异常信息标题字符串.</param> 9.&mz}q
/// <retvalue> fz}?*vPW
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> "!Lkp2\
/// </retvalue> YaL]>.;Z:"
/// </summary> H+l,)Se
public static String FormatException(Exception ex, String catchInfo) B?6QMC;
{ iiNSDc
StringBuilder strBuilder = new StringBuilder(); `.^ |]|u
if (catchInfo != String.Empty) :ejJV
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{ !>g:Si"
strBuilder.Append(catchInfo).Append("\r\n"); eVt1d2.O
} ?CY1]d
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); x(~<