1. 打开新的窗口并传送参数:
eLfk\kk]Pc $adbCY\ 传送参数:
6V7B;tB response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
%yv<y+yP~ ]d!
UJ&<? 接收参数:
qm"rY\: string a = Request.QueryString("id");
Q|#W#LV,K string b = Request.QueryString("id1");
q!|*oUW 1ng!G 7g 2.为按钮添加对话框
?j"KV_ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
?B2] -+Y button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
E2Q[ZoVS !1$])VQWI 3.删除表格选定记录
4b98KsYg int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
)p<ExMIxd string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
~?K ~L~f5 0.8 2kl 4.删除表格记录警告
)-a'{W/t private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
&E.^jR~* {
n(;|q&3 switch(e.Item.ItemType)
tFp Ygff< {
s~5[![1
K case ListItemType.Item :
K<>oa[B9 case ListItemType.AlternatingItem :
XovRg, case ListItemType.EditItem:
YS/Yd[ e TableCell myTableCell;
< t,zaIi myTableCell = e.Item.Cells[14];
>n'o*gZM LinkButton myDeleteButton ;
1H6<[iHW myDeleteButton = (LinkButton)myTableCell.Controls[0];
"@iK'
c^ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
:bwjJ}F break;
y1dDO2mA default:
n*[XR`r} break;
;:\<gVi: }
<G|(|E1 fF7bBE)L/| }
`d5%.N RI(DXWM|h 5.点击表格行链接另一页
9]f!'d!5 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
tX_R_]v3 {
a7r%X - //点击表格打开
;f#v0W`5 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
PQ5QA61 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
}dgfqq }
|$8~?7Jv v0z5j6)-1 双击表格连接到另一页
7z JRJ*NB ^c- 在itemDataBind事件中
(l^3Z3zf& if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
,,%i; {
gQ Fjr_IS# string OrderItemID =e.item.cells[1].Text;
7%Gwc?[x ...
J??-j e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
g
jDh?I }
1OCeN%4]Qk o<BOYrS 双击表格打开新一页
?!A7rb/tj if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
YIoQL}pX {
8']M^|1 string OrderItemID =e.item.cells[1].Text;
e7Xeo +/ ...
6#7Lm) g8 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
m$}R% }
KL1/^1 \^L`7cBL ★特别注意:【?id=】 处不能为 【?id =】
8 OY 3A 6.表格超连接列传递参数
]zE;Tw.S <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
[^Os kJ4 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
*W,]>v0%T .}t~'*D 7.表格点击改变颜色
m0ER@BXRn if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
{o_X`rgrL {
_=_Px@<Q e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
I`-8Air5f this.style.color=’buttontext’;this.style.cursor=’default’;");
}()5"QB }
dP#|$1 gd%NkxmW 写在DataGrid的_ItemDataBound里
~$Tkn_w# if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
<"{qk2LS1 {
Uzz'.K(Mv| e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
@$S+ Ne[< this.style.color=’buttontext’;this.style.cursor=’default’;");
S%bCyK%p e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
gw#5jW\ }
XewVcRo {MtpkUN 1C}NQ!. 8.关于日期格式
mHV%I@`Y6 CtyoHvw+M 日期格式设定
")O%86_Q: DataFormatString="{0:yyyy-MM-dd}"
sF!($k;! fd+hA 我觉得应该在itembound事件中
Sj]T
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
!\nBh 6G1@smP 9.获取错误信息并到指定页面
xHL( !PF d"}k!
0m 不要使用Response.Redirect,而应该使用Server.Transfer
-G}[AkmS cii_U=
e.g
-~s!73pDY // in global.asax
Isvx7$Vu+ protected void Application_Error(Object sender, EventArgs e) {
6h|q'.Y if (Server.GetLastError() is HttpUnhandledException)
msP{l^%0 Server.Transfer("MyErrorPage.aspx");
rID#`:Hl-| EN$2,qf //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
%`>nS@1zp }
?I6fye7 ?k]2*}bz Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
q$I;dOCJ, 5b*M*e&=C 10.清空Cookie
En~5"yW5>] Cookie.Expires=[DateTime];
wW7eT~w Response.Cookies("UserName").Expires = 0
H5DC[bZMb% Bc+w+ 11.自定义异常处理
qaY1xPWz" //自定义异常处理类
iq8GrdL" using System;
{IxA)v-` using System.Diagnostics;
jr)1(** (!ZM{Js% namespace MyAppException
Huy5-[)15 {
k.5u /// <summary>
YPU*@l> /// 从系统异常类ApplicationException继承的应用程序异常处理类。
5:pM4J /// 自动将异常内容记录到Windows NT/2000的应用程序日志
QKyo`g7 /// </summary>
p`b"-[93 public class AppException:System.ApplicationException
61SlVec*o8 {
2)G
%)' public AppException()
-e_hrCW&9 {
3kw,(-'1 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Ja,wfRq }
s3~lT. -m)X]]~C public AppException(string message)
pOGeruu? {
}Ga\wV LogEvent(message);
gRCdY8GH }
6g|*`x{ .X@FXx& public AppException(string message,Exception innerException)
6g 5#TpCh {
kh
{p%<r{ LogEvent(message);
4]yOF_8h if (innerException != null)
_"E%xM*r {
E)TN,@% LogEvent(innerException.Message);
6VS4y-N }
~D<IB#C }
D&od?3}E "Ue.@> //日志记录类
Mmxlp.l using System;
?ATOXy using System.Configuration;
W}m)cn3@ using System.Diagnostics;
Lhl]g^SN using System.IO;
BUWqIdg using System.Text;
0+?7EL~ using System.Threading;
h}*/Ge]aM 0rOfrTNOz% namespace MyEventLog
)k\H@Dy%$ {
+1uF !G&l /// <summary>
Sm)Ha:[4 /// 事件日志记录类,提供事件日志记录支持
]"t@-PFX< /// <remarks>
x}_]A$nV /// 定义了4个日志记录方法 (error, warning, info, trace)
z>XrU>} /// </remarks>
|uX,5Q#6 /// </summary>
!j:9`XD| public class ApplicationLog
,I7E[LU {
0O9Ni='Tn /// <summary>
>OL 3H$F /// 将错误信息记录到Win2000/NT事件日志中
/q<__N /// <param name="message">需要记录的文本信息</param>
&:/hrighH /// </summary>
TV<'8L public static void WriteError(String message)
R%{a1r>9h {
Rtb7| WriteLog(TraceLevel.Error, message);
K@sV\"U(*E }
f({Ei`| {{B%f. /// <summary>
ix([mQg /// 将警告信息记录到Win2000/NT事件日志中
q#T/
/// <param name="message">需要记录的文本信息</param>
01}C^iD /// </summary>
Q~OxH'>>( public static void WriteWarning(String message)
$K]m{ {
[#l*_0 WriteLog(TraceLevel.Warning, message);
MXw hxk#E }
b6Wqr/ U*i{5/$ /// <summary>
;*Ivn@L /// 将提示信息记录到Win2000/NT事件日志中
~tBYIkvWT /// <param name="message">需要记录的文本信息</param>
{l>yi /// </summary>
N):tOD@B public static void WriteInfo(String message)
Of" {
o$#G0}yn WriteLog(TraceLevel.Info, message);
-&3hEv5 }
+_; l|uhT; /// <summary>
8.XoVW# /// 将跟踪信息记录到Win2000/NT事件日志中
Ont%eC\ /// <param name="message">需要记录的文本信息</param>
`}(b2Hc> /// </summary>
^5H >pat public static void WriteTrace(String message)
<g1hxfKx5 {
i>D.!x WriteLog(TraceLevel.Verbose, message);
F$ #U5}Q }
1`(tf6op p^Ak1qm~e /// <summary>
jFASX2.p /// 格式化记录到事件日志的文本信息格式
rf>0H^r /// <param name="ex">需要格式化的异常对象</param>
?$*SjZt /// <param name="catchInfo">异常信息标题字符串.</param>
L\@I*QP /// <retvalue>
UJM1VAJ0 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
V8rx#H~ /// </retvalue>
fDT%! /// </summary>
W8ouO+wK public static String FormatException(Exception ex, String catchInfo)
VKq=7^W {
:pGaFWkvO StringBuilder strBuilder = new StringBuilder();
Ove<mFI\ if (catchInfo != String.Empty)
o=50>$5jlS {
7s/u(~d) strBuilder.Append(catchInfo).Append("\r\n");
.@(6 Y<dN }
)2bvQy8K strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
4x return strBuilder.ToString();
}% `.h" }
#~7ip\Uf[ zG ^$"f2 /// <summary>
P(H8[ , /// 实际事件日志写入方法
2 lj'"nm /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
mS~o?q-n /// <param name="messageText">要记录的文本.</param>
F<qz[,]|-j /// </summary>
K
P Oa|$ private static void WriteLog(TraceLevel level, String messageText)
0w)^) {
'eLqlu|T try
M_"L9^^>N {
) L#i%)+ EventLogEntryType LogEntryType;
!a7[8& switch (level)
l038%U~U! {
q(`/Vo4g( case TraceLevel.Error:
Xc?&_\. + LogEntryType = EventLogEntryType.Error;
jN[`L%Qm break;
<eQj`HL case TraceLevel.Warning:
\Ta"}TF8 LogEntryType = EventLogEntryType.Warning;
&Xf^Iu break;
y+"X~7EX case TraceLevel.Info:
)iYxt:(, LogEntryType = EventLogEntryType.Information;
/H8g( break;
H."EUcE{ case TraceLevel.Verbose:
d-k%{eBV LogEntryType = EventLogEntryType.SuccessAudit;
{]:7bV#JP break;
U)E(`{p] default:
>8k_n LogEntryType = EventLogEntryType.SuccessAudit;
GBRa.;Kk break;
f@Zszt }
^pQCNKLBY Bj1?x EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
,n3a
gkPO> //写入事件日志
\l9qt5rS eventLog.WriteEntry(messageText, LogEntryType);
Dey<OE& G+X
Sfr }
S7/eS)SQR catch {} //忽略任何异常
uTKD 4yig }
5@+,Xh,H|t } //class ApplicationLog
,N!o }
2E}*v5b, |4B:<x 12.Panel 横向滚动,纵向自动扩展
<Bw^!.jAF <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
umt.Um.m2 ~N<4L>y< 13.回车转换成Tab
z([ v%zf <script language="javascript" for="document" event="onkeydown">
7f0lQ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
K`u(/kz/< event.keyCode=9;
`HZ;NRr </script>
%M7` Hwu k'Sp. onkeydown="if(event.keyCode==13) event.keyCode=9"
LUM@#3& 0{,Z{&E 14.DataGrid超级连接列
dep=& DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
EfCx`3~EX Hn5|B 3vN 15.DataGrid行随鼠标变色
A
Q'J9 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
(9Ux{@$o[ {
_j< K=){ if (e.Item.ItemType!=ListItemType.Header)
YoBPLS`K {
VQ7*Z5[1 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
B9NWW6S e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
g*03{l#P }
inh=WUEW }
apg=-^L' |mGFts}0o' 16.模板列
$}>+kHoT{ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
+@p%
p <ITEMTEMPLATE>
W-?()dX{ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
E5I"%9X0H </ITEMTEMPLATE>
ms*(9l.hOK </ASP:TEMPLATECOLUMN>
I%sFqh> U%q7Ai7 <ASP:TEMPLATECOLUMN headertext="选中">
0K`#>}W#X <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
y5?RVlKJ <ITEMTEMPLATE>
Ji>o! <ASP:CHECKBOX id="chkExport" runat="server" />
!cO]<