1. 打开新的窗口并传送参数:
19]19_- pXl[I; 传送参数:
~?Ky{jah:^ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
QK+,63@D\= kMurNA= 接收参数:
S}VS@KDO string a = Request.QueryString("id");
3~tu\TH6d string b = Request.QueryString("id1");
i(;`x Lu.+J]Rz 2.为按钮添加对话框
{CI4AT!?W Button1.Attributes.Add("onclick","return confirm(’确认?’)");
$'3xl2T button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
GW;%~qH[, "}qs+ 3.删除表格选定记录
aH{)|? int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
ltgtD k string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
J??AU0vh $ch`.$wx 4.删除表格记录警告
hI!BX};+} private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
eNK
+)<PK( {
').)0; switch(e.Item.ItemType)
Rv9jLH {
9D1WUUa case ListItemType.Item :
E3O^Tg?j case ListItemType.AlternatingItem :
}|=/v(D case ListItemType.EditItem:
]5S`y{j1 TableCell myTableCell;
lJ-PW\P myTableCell = e.Item.Cells[14];
XP?jsBE LinkButton myDeleteButton ;
0?>(H(D^/ myDeleteButton = (LinkButton)myTableCell.Controls[0];
zq{UkoME myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
I_v}}h{ break;
&N/t%q default:
?=M?v;8 break;
4)8VmCW }
A)sYde( {m>ylE }
rMx Iujx IB[$~sGe 5.点击表格行链接另一页
Pn">fWRCx private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
0dC5
-/+ {
ZAgXz{!H( //点击表格打开
Blzvn19'h if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
I61S0lz/ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
vlbZ5 }
/VT/KT{ ;z4F-SYQ 双击表格连接到另一页
"g^i% zk8)!Af 在itemDataBind事件中
{s0%XG1$ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Y\-xX:n.\ {
qXW\/NT"p< string OrderItemID =e.item.cells[1].Text;
dz9U.:C ...
&[-(=43@ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
11yXI[ }
1W{N6+u El<*) 双击表格打开新一页
=9a2+ v0 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
A%.mIc. {
!g]5y= string OrderItemID =e.item.cells[1].Text;
TR0y4u[ ...
8J(j}</>a e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
/=/Ki%hh }
)FQ"l{P @=VxWU ★特别注意:【?id=】 处不能为 【?id =】
M-"j8:en 6.表格超连接列传递参数
_K~h?
\u <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
lWId
0eNS <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
eA4:]A" +Ua|0>? 7.表格点击改变颜色
F$?Ab\#B if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
;yt6Yp.6e {
?N<My&E e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
;9T}h2^`B this.style.color=’buttontext’;this.style.cursor=’default’;");
%f1%9YH }
h$l/wn }%jF!d 写在DataGrid的_ItemDataBound里
R#d~a;j if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Zok{ndO@|f {
/YvXyi>^"% e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Z;.-UXat this.style.color=’buttontext’;this.style.cursor=’default’;");
]5Uuz?:e e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
BkB>eE1)Ea }
\#9LwC"8; MuY:(zC% >q:%?mi 8.关于日期格式
crM5&L9zF @N>7+
4 日期格式设定
yV{B,T`W DataFormatString="{0:yyyy-MM-dd}"
PdcIHN A#"Wk]jX 我觉得应该在itembound事件中
&$~fz":1! e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
C 5.3[ lhN@,q 9.获取错误信息并到指定页面
V*4Z.3/E5 &F&`y 不要使用Response.Redirect,而应该使用Server.Transfer
Ht
Fr(g\"$ uDDa>Ka#+ e.g
Ap
dXsL // in global.asax
R{#< NE protected void Application_Error(Object sender, EventArgs e) {
l$;"yVdks if (Server.GetLastError() is HttpUnhandledException)
9* )&hhBs, Server.Transfer("MyErrorPage.aspx");
C Bkoky9& c|Ivet>3 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
nj[TTndJt }
`>:5[Y ;}46Uc#WS Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
+94)BxrY &bsq;)wzs 10.清空Cookie
+lym8n~-O Cookie.Expires=[DateTime];
+vh|m5"7I7 Response.Cookies("UserName").Expires = 0
NfgXOLthM Hy.u6Jt*/ 11.自定义异常处理
A5XMA|2_ //自定义异常处理类
(0$~T}lH using System;
}\"EI<$s using System.Diagnostics;
3Zb%-_%j a('0l2e<u9 namespace MyAppException
&GP(yj] {
/s\ mV /// <summary>
}T?X6LA$I8 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
4era5= /// 自动将异常内容记录到Windows NT/2000的应用程序日志
>f]/VaMH{ /// </summary>
KUI{Z I public class AppException:System.ApplicationException
cbzA`b'Mg {
N"S`9B1eD( public AppException()
pi"H?EHk {
,-pE/3|( if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
uBm"Xkxe|w }
|#TU"$; @?,x3\N- public AppException(string message)
8 1,N92T5 {
ZoG@"vr2 LogEvent(message);
iiPVqU% }
X{-4w([ s5VK public AppException(string message,Exception innerException)
NdXHpq; {
c+:ZmrP/ LogEvent(message);
#dauXUKH if (innerException != null)
kuEXNi1l {
`a83RX_\ LogEvent(innerException.Message);
n2U
&}O }
%F*9D3^h }
dAI^ P/y% e+[*4)Qfy //日志记录类
Xoe|]@U` using System;
S,&LH-ps using System.Configuration;
;wv[';J using System.Diagnostics;
)@g[aRFa using System.IO;
&`^(dO9 using System.Text;
=^9h
z3j using System.Threading;
-^@FZR^Y Y 6a`{' namespace MyEventLog
MP%#)O6 {
'n &p5% /// <summary>
` ~GXK /// 事件日志记录类,提供事件日志记录支持
B>2=IZ /// <remarks>
^{Y, `F /// 定义了4个日志记录方法 (error, warning, info, trace)
eD>b|U=/ /// </remarks>
+b|F_ /// </summary>
k6tCfq; public class ApplicationLog
=M\yh,s! {
bxXpw& /// <summary>
GkAd"<B /// 将错误信息记录到Win2000/NT事件日志中
-X.#Y6( /// <param name="message">需要记录的文本信息</param>
~;"eNg{T /// </summary>
UTA|Ps$ public static void WriteError(String message)
k[Em~>m {
` H'G"V WriteLog(TraceLevel.Error, message);
TFSdb\g }
#7uH>\r
+25}X{r$_ /// <summary>
#VQZ"7nI@ /// 将警告信息记录到Win2000/NT事件日志中
VfnL-bDGV /// <param name="message">需要记录的文本信息</param>
>.?yz /// </summary>
r_7%|T8 public static void WriteWarning(String message)
vXJs.)D7 {
!wYN",R- WriteLog(TraceLevel.Warning, message);
ndSu-8?L }
CsR[@&n' mF6-f#t>H+ /// <summary>
6uRE9h| /// 将提示信息记录到Win2000/NT事件日志中
xdSMYH{2A /// <param name="message">需要记录的文本信息</param>
z
g7Q` /// </summary>
YD4I2'E public static void WriteInfo(String message)
$Itmm/M {
"*lx9bvV_ WriteLog(TraceLevel.Info, message);
ZU\$x<, }
JsY,Q,D q /// <summary>
Ws2q/[\oz /// 将跟踪信息记录到Win2000/NT事件日志中
m#+0m! /// <param name="message">需要记录的文本信息</param>
0#|Jhmv-zL /// </summary>
6i/unwe!`) public static void WriteTrace(String message)
t>[QW`EeP {
RXXHg WriteLog(TraceLevel.Verbose, message);
dDcQSshL }
&8VH m?h !)M}(I} /// <summary>
pMU\f /// 格式化记录到事件日志的文本信息格式
KXWcg#zFY /// <param name="ex">需要格式化的异常对象</param>
[}L?EM /// <param name="catchInfo">异常信息标题字符串.</param>
0:{W
t /// <retvalue>
Bc=(1ty) /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
M+t)#O4 /// </retvalue>
Zg+.`>z /// </summary>
igu1s}F public static String FormatException(Exception ex, String catchInfo)
{4+/0\ {
:!i=g+e] StringBuilder strBuilder = new StringBuilder();
cS.@02~f" if (catchInfo != String.Empty)
5<Kt"5Z%7 {
B)q }]Qn strBuilder.Append(catchInfo).Append("\r\n");
2a@X-Di }
iwnGWGcuS strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
I
Fw7?G, return strBuilder.ToString();
C|y^{4|R }
7w73,r/D8A e1[ReZW /// <summary>
-Mo4`bN /// 实际事件日志写入方法
|q4=*X q /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
g$Tsht(rHD /// <param name="messageText">要记录的文本.</param>
.-$3I|}X= /// </summary>
cqU6 Y*n private static void WriteLog(TraceLevel level, String messageText)
/)K') {
A!Tl try
TG=A]--_a {
T"\d,ug5[ EventLogEntryType LogEntryType;
aT^
$'_ G switch (level)
*)[fGxz
\ {
bUgg2iFS case TraceLevel.Error:
w5Fk#zJv LogEntryType = EventLogEntryType.Error;
5c5!\g~' break;
Gs#9'3_U5 case TraceLevel.Warning:
&>-'|(m+2 LogEntryType = EventLogEntryType.Warning;
u^Cls!C break;
tMLiG4
|7 case TraceLevel.Info:
#19O5 LogEntryType = EventLogEntryType.Information;
#X]*kxQ< break;
T4x%3-4; case TraceLevel.Verbose:
x& _Y( bHA LogEntryType = EventLogEntryType.SuccessAudit;
^E%R5JN
break;
-#%M,Qb default:
$mxG-'x%K LogEntryType = EventLogEntryType.SuccessAudit;
:{<|,3oNdR break;
Q
&/5B }
c@>ztQU* KXMf2)pa EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Lginps[la //写入事件日志
.*NPoW4Kv eventLog.WriteEntry(messageText, LogEntryType);
-3(*4)h7 &pK0>2 }
&zYQH@ catch {} //忽略任何异常
+1#;s!e }
K^x{rn.Zf } //class ApplicationLog
Bc!<!
}
cLyf[z)W %lbvK^ 12.Panel 横向滚动,纵向自动扩展
@
2hGkJ- <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
B}qG-}(V jJ"(O-<)D 13.回车转换成Tab
rk=/iD <script language="javascript" for="document" event="onkeydown">
!@!603Gy if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
h]@'M1D% event.keyCode=9;
.XpuD,^;@ </script>
Xg.Lo2s W.
d',4) onkeydown="if(event.keyCode==13) event.keyCode=9"
[fCnq mBIksts5h 14.DataGrid超级连接列
P^o@x,V!& DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
U/FysN_N! 54{E&QvL8o 15.DataGrid行随鼠标变色
UR'v;V&Cb\ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
koB'Zp/FaY {
9T;>gm if (e.Item.ItemType!=ListItemType.Header)
dLqBu~* {
@oY+b!L e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
NvzPZ9=@- e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
&fRz6Hd }
Na`>
pH }
~!ei]UP "wH(tk4 16.模板列
x7B;\D#`i/ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
JCxQENsVqB <ITEMTEMPLATE>
cZ%tJ(&\7X <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
R|@~<