1. 打开新的窗口并传送参数:
wa=uUM_4u^ /walu+]h 传送参数:
_p-t<ytnh response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
vsWHk7 9 hN2:d1f0 接收参数:
wkqX^i7ls string a = Request.QueryString("id");
Cv
ejb+ string b = Request.QueryString("id1");
?Iyo9&1& )}vNOE?X~ 2.为按钮添加对话框
ps
.]N
Button1.Attributes.Add("onclick","return confirm(’确认?’)");
'J&f%kx" button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
v[plT2"s mGUO6>g 3.删除表格选定记录
OA/WtQ5 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
|tR
OL9b string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
$D
v\
e r_e7a6 4.删除表格记录警告
=0;}K@(J private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
4'4\,o {
iy.2A!f^. switch(e.Item.ItemType)
,lA.C%4au~ {
P}ok*{"J<> case ListItemType.Item :
Z[\O=1E, case ListItemType.AlternatingItem :
pD]0`L-HJU case ListItemType.EditItem:
0;4t&v7 TableCell myTableCell;
@_:]J1jw7 myTableCell = e.Item.Cells[14];
"8^5>EJWv LinkButton myDeleteButton ;
u]u[(K5F myDeleteButton = (LinkButton)myTableCell.Controls[0];
OouPj@r myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
[gy*`@w break;
T,xPSN2A* default:
*_E|@y break;
cLPkK3O\= }
K7Rpr.p >9RD_QG7 }
{u1V|q 'XY`(3q 5.点击表格行链接另一页
[.RO'>2z private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
)o-Q!<*1 {
t#%R
q //点击表格打开
)X9W y!w0 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
MX4]Vpv e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
b@3_L4~ }
.q&'&~!_ k+I}PuG 双击表格连接到另一页
D+_oVob\ ~4P%%b0,o 在itemDataBind事件中
K=!Bh* if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
fwK}/0% {
(b'B%rFO string OrderItemID =e.item.cells[1].Text;
[7_56\G4 ...
|#6QThK e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
3^s/bm$g }
.h0b~nI>> &>e-(4Xu 双击表格打开新一页
N2.AKH if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:Mm3
gW) {
zIP6\u string OrderItemID =e.item.cells[1].Text;
,g%&|FAP ...
5~mh'<: e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Z2im@c67{ }
,`ZYvF^% +)2s-A f- ★特别注意:【?id=】 处不能为 【?id =】
`tjH< 6.表格超连接列传递参数
*tm0R> ?! <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
JXyM\}9-X <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
Qne/g}PD`
~"UV]Udn 7.表格点击改变颜色
(JM4R8fR& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
3%.#}O,( {
It2" x; e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
)M__
t5L this.style.color=’buttontext’;this.style.cursor=’default’;");
\:'%9 x }
dCj,b$ yHxosxd<* 写在DataGrid的_ItemDataBound里
M33_ja +L if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
/-bO!RTwf {
>A@Y$. e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
%W@v2 this.style.color=’buttontext’;this.style.cursor=’default’;");
sKlDu e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
ooUk O }
N^B o
.U0\ -V: "l t3dlS`O 8.关于日期格式
TLoz)&@ kOh{l: 2-+ 日期格式设定
5|jw^s7 DataFormatString="{0:yyyy-MM-dd}"
#v<QbA a{{g<<H 我觉得应该在itembound事件中
keB&Bjd& e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Qg6W5Hc SM`w;?L:? 9.获取错误信息并到指定页面
_/wV;h~R < yC 不要使用Response.Redirect,而应该使用Server.Transfer
u|4$+QiD SPp#f~%m e.g
r\AyN=
y // in global.asax
u]vQ>Uu protected void Application_Error(Object sender, EventArgs e) {
meOMq1 if (Server.GetLastError() is HttpUnhandledException)
-?(E_^ng Server.Transfer("MyErrorPage.aspx");
r#xg#u oj 0_CN/5F //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
i\W/C }
` AY_2>7 ;vt8R=T 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
C+|b1/N- T0&f8 10.清空Cookie
C-iK$/U Cookie.Expires=[DateTime];
yRo-EP Response.Cookies("UserName").Expires = 0
:O(^w}sle ^5=B`aich 11.自定义异常处理
xhRngHU\z< //自定义异常处理类
To?W?s using System;
bT&: fHc using System.Diagnostics;
AE} )o)B /%Nr?V namespace MyAppException
EY \H=@A {
;\p KDPr /// <summary>
H"qOSf{ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
@-+Q#
Zz` /// 自动将异常内容记录到Windows NT/2000的应用程序日志
rL}YLR /// </summary>
92^w8Z. public class AppException:System.ApplicationException
-YsLd 9^4 {
Y +Fljr* public AppException()
_cu:aktf2 {
3Kn_mL3V- if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
f]`vRvbe }
1AU#%wIEP cq$i public AppException(string message)
QcgfBsv96 {
|jM4E$
LogEvent(message);
Dgy]ae(Hb3 }
x:nKfY5 vsa92c@T public AppException(string message,Exception innerException)
+Z85HY{ {
[o?*"c LogEvent(message);
p1vp8p if (innerException != null)
bR V+>;L0@ {
@'|)~,"bx LogEvent(innerException.Message);
zToq^T }
l&[;rh }
C*`mM'# uJ6DO#d`P //日志记录类
Kw#i),M using System;
A\#iXOd using System.Configuration;
Aj0Tfdxy using System.Diagnostics;
2 aL) using System.IO;
mQY_`&Jq using System.Text;
e#E2>Bj; using System.Threading;
lEV]4
t_H kcQ'$<Mz< namespace MyEventLog
0=K9`=5d0 {
rta:f800z /// <summary>
-N"&/) /// 事件日志记录类,提供事件日志记录支持
1|ra&(=) /// <remarks>
mdw7}%5V /// 定义了4个日志记录方法 (error, warning, info, trace)
%DdJ ^qHI /// </remarks>
v{A
KEX* /// </summary>
eGX%KT"O public class ApplicationLog
.j-IX1Sa {
{6}eN|4~# /// <summary>
?]x|Zy /// 将错误信息记录到Win2000/NT事件日志中
k2AJXw /// <param name="message">需要记录的文本信息</param>
L =8rH5 /// </summary>
e/^=U7:io public static void WriteError(String message)
#es9d3~\ {
SXy=<%ed WriteLog(TraceLevel.Error, message);
F}=aBV|- }
##4GK08! ndeebXw* /// <summary>
46 PoM /// 将警告信息记录到Win2000/NT事件日志中
0A( +ZMd /// <param name="message">需要记录的文本信息</param>
="g*\s?r /// </summary>
K#U<ib-v public static void WriteWarning(String message)
T8HF|%I {
KhMSL WriteLog(TraceLevel.Warning, message);
_N@ro }
2"B _At n+PzA[ /// <summary>
0D&t!$Ibf /// 将提示信息记录到Win2000/NT事件日志中
DS)RX.k_# /// <param name="message">需要记录的文本信息</param>
a|?4) /// </summary>
>hr{JJe public static void WriteInfo(String message)
WH= EPOR, {
u&n'
ITH WriteLog(TraceLevel.Info, message);
TsGE cxIg }
}6@pJG /// <summary>
$k2*[sn, /// 将跟踪信息记录到Win2000/NT事件日志中
tuhA
9}E /// <param name="message">需要记录的文本信息</param>
M`l.t -ut /// </summary>
*q1% IJ public static void WriteTrace(String message)
<^lRUw {
-k"^o!p WriteLog(TraceLevel.Verbose, message);
}|XtypbL }
Q^#;WASi B|&"#Q /// <summary>
V?=8".GiX /// 格式化记录到事件日志的文本信息格式
9F*+YG! /// <param name="ex">需要格式化的异常对象</param>
ETXZ?\<a5 /// <param name="catchInfo">异常信息标题字符串.</param>
`3hSLR /// <retvalue>
|0%+wB /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
X3V'Cy/sy /// </retvalue>
fF V!)Zj /// </summary>
OdB?_.+$ public static String FormatException(Exception ex, String catchInfo)
f4PIoZ e {
?'<nx{!c StringBuilder strBuilder = new StringBuilder();
G 8V, if (catchInfo != String.Empty)
Bn(W"=1 {
H V;D?^F strBuilder.Append(catchInfo).Append("\r\n");
GPGm]G t }
4A2?Uhpy strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
YE9,KVV;$n return strBuilder.ToString();
dtcIC0:[ }
6#Q K%[1!> Qu]z)";7 /// <summary>
4'LB7}WG /// 实际事件日志写入方法
mD/MJt5 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
7Ddaf> /// <param name="messageText">要记录的文本.</param>
FGh]S-A /// </summary>
H
`(exa:w private static void WriteLog(TraceLevel level, String messageText)
$O dCL {
gR}35:$Z- try
1)[]x9]^q' {
G3{=@Z1 EventLogEntryType LogEntryType;
1rDqa(7 switch (level)
Y14W?|KOB {
57g</p case TraceLevel.Error:
aM$W*-Y LogEntryType = EventLogEntryType.Error;
6MxKl
D7kl break;
f`&dQ,; case TraceLevel.Warning:
[ U wi LogEntryType = EventLogEntryType.Warning;
R]i7 $}n break;
x4/M}%h!;B case TraceLevel.Info:
4X*>H LogEntryType = EventLogEntryType.Information;
HVC>9_:] break;
txPIG/ case TraceLevel.Verbose:
BouTcC LogEntryType = EventLogEntryType.SuccessAudit;
oun;rMq break;
\R3H+W default:
78/N LogEntryType = EventLogEntryType.SuccessAudit;
*>+,(1Fz break;
E_bO9nRHV }
Y
"VY%S^ {U_$&f9s EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
R?p00 //写入事件日志
{4-[r#R<M eventLog.WriteEntry(messageText, LogEntryType);
Yp:KI7 ($~RoQ=0S }
Y)}Rb6qGW catch {} //忽略任何异常
QurW/a }
ZPD[5)~ } //class ApplicationLog
Nq@+'<@p$ }
~O1&@xX NZ3/5%We/ 12.Panel 横向滚动,纵向自动扩展
kGN+rHo <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
"&%#!2 E]6z8juO6 13.回车转换成Tab
NMi45y(Y <script language="javascript" for="document" event="onkeydown">
bcZf>:gVf if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
u@4V7;L event.keyCode=9;
,yTjU{<" </script>
<fs2fTUeqF %bdjBa} onkeydown="if(event.keyCode==13) event.keyCode=9"
"1-}A(X _IdRF5<4 14.DataGrid超级连接列
|#*'H*W DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
o#hjvg L*x[?x;)@ 15.DataGrid行随鼠标变色
Ogp"u b 8 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
\~5C7^_ {
YLVPAODY if (e.Item.ItemType!=ListItemType.Header)
Y9`5G% {
A|@_}h"WG e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
d` [HT`` e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
%DQhM ,c@ }
V3ndV-uQE }
+d%L\^?F ]7Z{ 8)T 16.模板列
=2
*rA'im <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
V$uk6# <ITEMTEMPLATE>
W
mm4hkf <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
%.z,+Zz? </ITEMTEMPLATE>
1u|Rl:Q </ASP:TEMPLATECOLUMN>
ZZyDG9a>7 j6g[N4xr <ASP:TEMPLATECOLUMN headertext="选中">
xrN
&N_K# <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
# (- Qx <ITEMTEMPLATE>
U5r7j <ASP:CHECKBOX id="chkExport" runat="server" />
Wy%s1iu </ITEMTEMPLATE>
RAp=s <EDITITEMTEMPLATE>
/P
2[:[w <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
?Q72 ;/$ </EDITITEMTEMPLATE>
i:l<C </ASP:TEMPLATECOLUMN>
3S&U! }>[G5[\
后台代码
CV{r5Sye protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
_Um d {
.%82P( //改变列的选定,实现全选或全不选。
FPJd| CheckBox chkExport ;
e*.b3z if( CheckAll.Checked)
)nd\7|5# {
W'on$mB5< foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
.T*GN|@$! {
5IbJ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
UQ.7>Ug+8s chkExport.Checked = true;
ZlojbL@|4 }
EutP\K_Y }
\t|M-%&)4 else
-!8(bjlJ& {
_A~4NW{U7 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
:(_+7N[KA {
${8?N:>t chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
4Ua>Yw0 chkExport.Checked = false;
1lpwZ" }
-&e92g&n }
42 \-~] }
Nlj^Dm qSejLh6 17.数字格式化
/N-_FMl? v<9&B94z 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Cz8f1suO4 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
1LY8Ma]E c~o+WI
Ym int i=123456;
Q_vW3xz string s=i.ToString("###,###.00");
U #~;)fZ :>81BuMvg 18.日期格式化
b,IocD6v;P .{S8f#p9T 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
^bLRVp1 8_!.!Kde | 显示为: 2004-8-11 19:44:28
\` w4|T u(!&:A9JFd 我只想要:2004-8-11 】
oW;6h. <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
]LZ`LL'#Y_ k;5P om 应该如何改?
[0UGuj eVl'\aUd 【格式化日期】
J/6`oh?,Q :ZDMNhUl
& 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
178Mb\8 9RwawTM 【日期的验证表达式】
!SKV!xH9 ;;)`c/$ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
{>bW>RO) ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
="d*E/## 5%}wV,Y B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
j:bgR8%e ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
a1j.fA _Zc%z@} 【大小写转换】
IooNb:( HttpUtility.HtmlEncode(string);
n& $^04+i HttpUtility.HtmlDecode(string)
x|KWyfOS Ac|5. ?|N 19.如何设定全局变量
gip/(/NX |~<N -~.C Global.asax中
rbZ[!LA C;~*pMAYe Application_Start()事件中
$Q+s/4\ V|>oGtt7 添加Application[属性名] = xxx;
gLsU:aeCT fj ,m 就是你的全局变量
KL'zXkS 7P7b8] 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
g-vg6@6 KTEZ4K^o= HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
ggb|Ew 3CE[( 【ASPNETMENU】点击菜单项弹出新窗口
a8AYcEb yA[({2% 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
x&A vUJ <?xml version="1.0" encoding="GB2312"?>
+!0eu>~_& <MenuData ImagesBaseURL="images/">
S|B$c E <MenuGroup>
H@uE> <MenuItem Label="内参信息" URL="Infomation.aspx" >
EC6k{y}bA <MenuGroup ID="BBC">
3I 0eW%, <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
4@;-%H&7 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
@$eT~ C ......
/hv#CB>1x ug`NmIQP 最好将你的aspnetmenu升级到1.2版
;PyZ?Z; >\A8#@1 21.读取DataGrid控件TextBox值
k#:2'!7G foreach(DataGrid dgi in yourDataGrid.Items)
]+H?@*b` {
9tg)Mo% TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
/( 6|{B tb.Text....
W
>(vYU }
j*;N\;iL!* EN!?:RV 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
!8tS|C#2 insY(.N 〖思归〗
+[. Yy <asp:TemplateColumn HeaderText="数量">
x6'^4y]) <ItemTemplate>
?nKF6f <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
tK%c@gGU9 onkeyup="javascript:DoCal()"
<EO<x D=: />
FnHi(S|A $A<ESfrs <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
AKu_~bTk </ItemTemplate>
)fU(AXSP </asp:TemplateColumn>
kD.pzxEM v$w++3H <asp:TemplateColumn HeaderText="单价">
eUO9a~< <ItemTemplate>
Z%gx%$ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
>P. 'CU onkeyup="javascript:DoCal()"
f0Hq8qAF;^ />
y:}sD_m0W 99 wc <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
sNU}n<J- mE#nU(+Ta </ItemTemplate>
s* jfMY </asp:TemplateColumn>
]qw0V
l!IKUzt)7 <asp:TemplateColumn HeaderText="金额">
99iUOw c <ItemTemplate>
hh.Q\qhubB <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
gmSQcN) </ItemTemplate>
0NO1M)HQv </asp:TemplateColumn><script language="javascript">
RM*f|j function DoCal()
YTyX`Y# {
+iF
1sC_ var e = event.srcElement;
#^mqQRpgq var row = e.parentNode.parentNode;
^~L}<] var txts = row.all.tags("INPUT");
KhM.Tc if (!txts.length || txts.length < 3)
:]eb<J
return;
Bo\D.a(T 2>hz_o{5', var q = txts[txts.length-3].value;
.\5$MIF var p = txts[txts.length-2].value;
(%<' A I+,SZ]n if (isNaN(q) || isNaN(p))
$EBb"+Y'T return;
Jfg7\&| So4nJ><p q = parseInt(q);
s'_,:R\VM> p = parseFloat(p);
b7h+?!H]R P -Fg^tl txts[txts.length-1].value = (q * p).toFixed(2);
&:#m&,tQ }
.]76!(fWZ </script>
(v#pj8aE Rs$5PdH (a{ZJI8_ !E&MBAKy w+f=RHX"{ 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
O]nT>;PXX page_load
U=!@Db5k~ page.smartNavigation=true
YL^Z4: p C}CKnkMMD 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
V,LVB_6 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
m4/}Jx[ {
p#H]\P' for(int i=0;i<e.Item.Cells.Count-1;i++)
QB1M3b if(e.Item.ItemType==ListItemType.EditType)
Q_}/ Pn$1 {
; Zq/eiB e.Item.Cells.Attributes.Add("Width", "80px")
}e=e",eAT }
5()Fvae{k }
yr4ou MEU[%hty_ 26.对话框
J_ V,XO private static string ScriptBegin = "<script language=\"JavaScript\">";
zLek&s&- private static string ScriptEnd = "</script>";
+Z+ExS<#z Fh`-(,e?5 public static void ConfirmMessageBox(string PageTarget,string Content)
W(@>?$& {
k:P$LzIB string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
%2yAvGa1 SFO&=P:U ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
D<nxr~pQ !A[S6-18%- Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
c#\-%h ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
AMk~dzNt //Response.Write(strScript);
pT=2e& }
xv0M $!`L"szqD* 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
5G?.T? W/v|8-gcK 1.1 取当前年月日时分秒
`s}BXKIv} currentTime=System.DateTime.Now;
"T*I| #?m{YT{P 1.2 取当前年
-2lRia int 年= DateTime.Now.Year;
*ro.mQ_ 3A
R%&:- 1.3 取当前月
BLW]|p|1: int 月= DateTime.Now.Month;
]p$zvMf} \GHOg.P 1.4 取当前日
5<N~3
1z int 日= DateTime.Now.Day;
+k
rFB?>` l10-XU02 1.5 取当前时
*g$agyOfh int 时= DateTime.Now.Hour;
lO&cCV; BE%Z\E[[m 1.6 取当前分
'49L(>. int 分= DateTime.Now.Minute;
X>/K/M 46dc.Yi 1.7 取当前秒
dzxI QlP int 秒= DateTime.Now.Second;
0P9Wy!f7 "/y|VTV" 1.8 取当前毫秒
*8206[y int 毫秒= DateTime.Now.Millisecond;
5bBCpNa DR{]sG 28.自定义分页代码:
6S_y%8Fv&[ A`C-sD> 先定义变量 :
r|bPR!0 public static int pageCount; //总页面数
)KE_t^$ public static int curPageIndex=1; //当前页面
M c@GH )l{A{f6O 下一页:
bs:QG1*. if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
2[BA(B {
uRGB/ju^E DataGrid1.CurrentPageIndex += 1;
,TJ/3_ lH curPageIndex+=1;
@Mr}6x* }
5Jw"{V?Ak fKYKW?g;)Z bind(); // DataGrid1数据绑定函数
ni0LQuBp Y^5"qd|` 上一页:
x-4J/tm if(DataGrid1.CurrentPageIndex >0)
uTw|Q{ f {
{jhcZ"#>\ DataGrid1.CurrentPageIndex += 1;
&oc_a1R curPageIndex-=1;
5U;nhDmM }
r./z,4A` #4q1{)= bind(); // DataGrid1数据绑定函数
'^B3pR: 1<ehV
VP 直接页面跳转:
N&N 82OG int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
=g[H]-Ee {]@Qu" M if(a<DataGrid1.PageCount)
-3`Isv {
&%}6q]e this.DataGrid1.CurrentPageIndex=a;
X?kPi&ru }
1!f2*m LK
%K0o bind();
@?vLAsp\ xBt<Yt" 29.DataGrid使用:
`rq<jtf+ X{s/``n 添加删除确认:
H-m`Dh5{ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
&]*|6cR$E {
aa!a&L|! foreach(DataGridItem di in this.DataGrid1.Items)
}JH`'&3 {
Hz5;Ruw' if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
sM0c#YK? {
Kv1vx*> ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
<]c#)xg }
o6/Rx#A }
.&L^J&V }
^^'[%ok =E;
#OZO 样式交替:
&R0OeRToUb ListItemType itemType = e.Item.ItemType;
jvWI_Fto 7Qt2gf if (itemType == ListItemType.Item )
|9x%gUm {
jPj2 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
KKV)DExv? e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
7_1W:-A7W }
B'!PJj else if( itemType == ListItemType.AlternatingItem)
G+fd.~aGE {
(}6wAfGo e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
oq243\?Y e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
.?70=8{ }
g"w)@*?K *|sxa# 添加一个编号列:
ujow?$& DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
9ec0^T DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
E+:.IuXW$ G~O" / WM
for(int i=0;i<dt.Rows.Count;i++)
2[XltjO {
0&f\7z dt.Rows["number"]=(i+1).ToString();
BZ2nDW*% }
Wf_CR( Ko]QCLL DataGrid1.DataSource=dt;
>QA/Mi~R DataGrid1.DataBind();
'G52<sF 2(hvv- DataGrid1中添加一个CheckBox,页面中添加一个全选框
p EY>A_F private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Q;=6ag' {
HUK"OH foreach(DataGridItem thisitem in DataGrid1.Items)
(K<Z=a {
Tln9q0"W ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
w<v1N }
_F3KFQ4,S- }
`B:B7Cpvn (/('nY 将当前页面中DataGrid1显示的数据全部删除
*O!T!J foreach(DataGridItem thisitem in DataGrid1.Items)
>pN;J)H {
7N!tp,? if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
_w\Y{(k {
q"P5,:W string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
_s2m-jm7 Del (strloginid); //删除函数
5XI;<^n2 }
QCVsVG!sN }
,I/2.Q})[ <g]
ou
YHZ 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
+}kO;\ 4 0p3Rv 在Application_Start中添加以下代码:
r[6#G2 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
0`V3s]%iu AppSettings["ConnStr"].ToString();
D!c1;IHZ |)m*EME 31. 变量.ToString()
#,7eQaica 2O$95M 字符型转换 转为字符串
q;CayN'I 12345.ToString("n"); //生成 12,345.00
w 9/nVu 12345.ToString("C"); //生成 ¥12,345.00
0Z@ARMCe|m 12345.ToString("e"); //生成 1.234500e+004
E"G:K`Q 12345.ToString("f4"); //生成 12345.0000
Y]hV-_2+Do 12345.ToString("x"); //生成 3039 (16进制)
bl$+8!~ 12345.ToString("p"); //生成 1,234,500.00%
N[#iT&@T}/ pk;ff q@ 32、变量.Substring(参数1,参数2);
aytq4Ts X!HDj< 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
I/oIcQS!k fEx+gQW_ 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
<jpe u^7 <SCRIPT language="javascript">
Rrh<mo(yj# <!--
m(8jSGV function gook(pws)
c Bg,k[, {
JZWgr&O< frm.submit();
dDsjPM;2 }
mrK,Ql //-->
i_[^s:*T ?SB[lbU </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
(~q#\ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Pz5ebhgq <tr>
IXbdS9,>F <td>
IlcNT_
5a8 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
Pd)K^;em <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
z\xiACIc <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
D?iy.Dg b*btkaVue <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
om XBnzT <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
)j{WeG7L %bCcsdK </td>
%KbBH:z05 t-.2+6"\ </tr>
R4&|t "z^BKb5 </form>
2$o2.$i81 &>&dhdTQ 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
R59e&
3~cS}N T 下面是获取用户输入的登陆信息的代码:
h5LJijJ string name;
4RK.Il*d name=Request.QueryString["EmailName"];
f?/|;Zo4 [z
W_%O kP try
n@G:e-m{A {
\e`6=Q% int a=name.IndexOf("@",0,name.Length);
FBR$,j;Y f_user.Value=name.Substring(0,a);
1<XiD3H; f_domain.Value=name.Substring(a+1,name.Length-(a+1));
l-DGy# h+z f_pass.Value=Request.QueryString["Psw"];
ir9Q##f }
pb=jvK <Cf7E catch
&(5^vw<0 {
5W?yj>JR Script.Alert("错误的邮箱!");
g28S3 '2 Server.Transfer("index.aspx");
nU=f<]S= }