1. 打开新的窗口并传送参数:
L{c\7 }L5;=A']S 传送参数:
Zk gj_ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
pl 1CEoe V F"c} 接收参数:
# kmI#W"^ string a = Request.QueryString("id");
m{6*ae string b = Request.QueryString("id1");
wS:`c
J Yd~Tzh 2.为按钮添加对话框
wmX * n'l Button1.Attributes.Add("onclick","return confirm(’确认?’)");
^DR`!.ttr button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
x C>>K6Nb p*Hf<)} 3.删除表格选定记录
4-xg+*() int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
w:9n/[ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
OgyHX>}bH c5HW.3" 4.删除表格记录警告
LS1}j WU! private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
gHU0Pr9' {
s3 gT6 switch(e.Item.ItemType)
& =vi]z:[ {
z#olKBs case ListItemType.Item :
DTx>^<Tk case ListItemType.AlternatingItem :
O@KAh5EB case ListItemType.EditItem:
A Rjox` TableCell myTableCell;
XZPq4(,9} myTableCell = e.Item.Cells[14];
*wz6 2p LinkButton myDeleteButton ;
Z9PG7h myDeleteButton = (LinkButton)myTableCell.Controls[0];
9t0NO-a myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
X]%n#\t,] break;
ZCkwK default:
uWtj?Q+M| break;
| e?:Uq }
5_H`6-q >cTSX }
bfE4.YF n+'gVEBA 5.点击表格行链接另一页
|~+i=y private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
G!G]*p5 {
H.Q648A"PF //点击表格打开
ro%Jg if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Z9)-kRQz=r e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
xWiR7~E }
^\(<s y#B4m`9 双击表格连接到另一页
H;1_" 762c`aP_( 在itemDataBind事件中
M ^89]woC if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
hI$IBf> {
j;7:aM"BQW string OrderItemID =e.item.cells[1].Text;
85}S8\_u ...
[C0"vOTUb e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
es6]c%o:t^ }
X21k7 Ls Y\
C"3+I 双击表格打开新一页
qexnsL if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_{
Np_(g {
J4woZ{d string OrderItemID =e.item.cells[1].Text;
+~7x+6E ...
!*\J4bJe e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
['%$vnS5S }
pXhN? joe ] >4CBm$ ★特别注意:【?id=】 处不能为 【?id =】
y),yks?iv 6.表格超连接列传递参数
k9*6`w <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
L!c.1Rf_ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
/S #Z.T~~ Bo4MoSF} 7.表格点击改变颜色
Ai*+LSG if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
a
!yBEpMo {
HYwtGj~5 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
%_L~"E 2e this.style.color=’buttontext’;this.style.cursor=’default’;");
A=f)ntH~ }
sPP(>y( \ x,fX mgE 写在DataGrid的_ItemDataBound里
oB8LJZ; if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Q>yO,H| {
}v`Z.?|Z e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
sLOkLz"x this.style.color=’buttontext’;this.style.cursor=’default’;");
+Y_]< e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
*K'#$`2 }
$lAQcG&Q lhBu?q x4CSUcKb 8.关于日期格式
HXP/2&|JY QD;:!$Du 日期格式设定
ZPlY]e DataFormatString="{0:yyyy-MM-dd}"
Vif)e4{Pn G4,.kK 我觉得应该在itembound事件中
Fvr$K*u e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
KN:V:8:J [N_)V kpr 9.获取错误信息并到指定页面
5n1T7-QCL
:+v4,=fHy 不要使用Response.Redirect,而应该使用Server.Transfer
R,8460e7 #^9a[ZLj0 e.g
z]R% A:6K // in global.asax
v9GfudTZR protected void Application_Error(Object sender, EventArgs e) {
DoFF<LXBt if (Server.GetLastError() is HttpUnhandledException)
$|o[l.q2 Server.Transfer("MyErrorPage.aspx");
%&M*G@j Y.#:l< //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
*d}{7UMy# }
,h},jkY4 _53NuEM1 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
cdv0:+[P dG%{&W9
10.清空Cookie
X-F:)/$xG Cookie.Expires=[DateTime];
yC9~X='D Response.Cookies("UserName").Expires = 0
xF`O ehVA +|.6xC7U 11.自定义异常处理
$c];&)7q //自定义异常处理类
#F:\_!2c using System;
xX\A&9m using System.Diagnostics;
VcORRUp (2'q~Z+>' namespace MyAppException
RsnFjfb' {
7KZ>x*o /// <summary>
!UX7R\qu| /// 从系统异常类ApplicationException继承的应用程序异常处理类。
3bR 6Y[ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
F=V_ACU /// </summary>
s AlOX`t public class AppException:System.ApplicationException
I#:,!vjn {
`YK%I8 public AppException()
r95$( N {
sXR}#*8p
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
kg()C%#u
}
l~$Od jf q Qc-;|8 public AppException(string message)
W%P0X5YQ {
S3Sn_zqG LogEvent(message);
=d1i<iw?- }
ZO!)G S0mF%" public AppException(string message,Exception innerException)
GFO(O {
Bt1&C?_$T LogEvent(message);
ARa9Ia{@ if (innerException != null)
Xd@x(T~'X {
KI8Q
=* LogEvent(innerException.Message);
F(+dX4$ }
-TKQfd }
etLA F O-YB+~"3Z //日志记录类
m~l[Y using System;
h2fTG using System.Configuration;
P1}Fn:Xe%7 using System.Diagnostics;
PU{7s using System.IO;
^g*2jH+ using System.Text;
r d4\N2- 6 using System.Threading;
, K[}Bz _+x&[^gjP namespace MyEventLog
4f{(Scg {
oB] /// <summary>
4.0JgX /// 事件日志记录类,提供事件日志记录支持
aBx8wl*Vm /// <remarks>
>XiTl;UU /// 定义了4个日志记录方法 (error, warning, info, trace)
7s-ZRb[)1 /// </remarks>
LG3:V'| /// </summary>
b|z_1j6U public class ApplicationLog
ZsikI@? {
]@UJ 8hDy /// <summary>
*Mr?}_,X* /// 将错误信息记录到Win2000/NT事件日志中
3~Vo]wv /// <param name="message">需要记录的文本信息</param>
0(~,U!g[= /// </summary>
:D !}jN/) public static void WriteError(String message)
`VxfAV?} {
Z )f\^ WriteLog(TraceLevel.Error, message);
@fwk }
-H;p +XAY ;wkoQ8FD9 /// <summary>
S9Ka /// 将警告信息记录到Win2000/NT事件日志中
Q\4nduQ /// <param name="message">需要记录的文本信息</param>
".R5K ? /// </summary>
}R -azN; public static void WriteWarning(String message)
eTp}*'$p {
HX]pcX^K WriteLog(TraceLevel.Warning, message);
\.7O0Q{ }
~J:"sUR ssy+x;<x, /// <summary>
M)oJ06`K /// 将提示信息记录到Win2000/NT事件日志中
)FfJ%oT} /// <param name="message">需要记录的文本信息</param>
Cyw
cJ /// </summary>
M~1 n# public static void WriteInfo(String message)
#FfUkV {
j4B|ktf WriteLog(TraceLevel.Info, message);
=_/,C }
ja2PmPv /// <summary>
5Se
S^kJC /// 将跟踪信息记录到Win2000/NT事件日志中
D>c-h)2| /// <param name="message">需要记录的文本信息</param>
68^5X"OGF /// </summary>
jGtoc,\X public static void WriteTrace(String message)
H8}}R~ZO {
mf>cv2+ WriteLog(TraceLevel.Verbose, message);
Z=vzF0 }
1JU1XQi NI^[7.2 /// <summary>
'e(`2 /// 格式化记录到事件日志的文本信息格式
P|S'MS';: /// <param name="ex">需要格式化的异常对象</param>
I=,u7w`m /// <param name="catchInfo">异常信息标题字符串.</param>
\y%:[g}Fvw /// <retvalue>
W~1MeAI /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
sH>Z{xjr /// </retvalue>
`euk&]/^.) /// </summary>
3<x_[0v`K1 public static String FormatException(Exception ex, String catchInfo)
%}G:R!4 d {
_Y*:
l7 StringBuilder strBuilder = new StringBuilder();
#gOITXKs if (catchInfo != String.Empty)
x3L3K/qMg {
,\5]n&T;r strBuilder.Append(catchInfo).Append("\r\n");
[IxZweK }
O'deQq[ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
S8" h9| return strBuilder.ToString();
&X^~%\F:2 }
R|{6JsjG10 d}b#"A /// <summary>
EkV v /// 实际事件日志写入方法
p/WEQ2 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
kX{c+qHM /// <param name="messageText">要记录的文本.</param>
4qjY,QJ /// </summary>
aO'$}rDf$ private static void WriteLog(TraceLevel level, String messageText)
+D1;_DU {
*#EyfMz-B try
9Dd/g7 {
&%J{C3Q9 EventLogEntryType LogEntryType;
1K,bmb xRt switch (level)
f7XmVCz1 {
PG)dIec case TraceLevel.Error:
THK)G2
= LogEntryType = EventLogEntryType.Error;
33couAP# break;
}(J6zo9(x case TraceLevel.Warning:
0_Etm83Wq6 LogEntryType = EventLogEntryType.Warning;
cX1"<fD o break;
&cDnZ3Q; case TraceLevel.Info:
qX:54$t LogEntryType = EventLogEntryType.Information;
vK#xA+W break;
vC\]7]mC case TraceLevel.Verbose:
k`.-PU LogEntryType = EventLogEntryType.SuccessAudit;
\0j|~/6 break;
`-Gs*#(/ default:
nb22bXt LogEntryType = EventLogEntryType.SuccessAudit;
I2|iqbX40Q break;
/5suyM=U }
mRfF) ^#exsXy EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
sKjg)3Sl //写入事件日志
nb'],({:9 eventLog.WriteEntry(messageText, LogEntryType);
Qo)>i0 ^5u} }
L ! yl^c catch {} //忽略任何异常
SLz^Wg._ }
*8js{G0h } //class ApplicationLog
9+=U&* }
hXbb+j sqJ?dIBH 12.Panel 横向滚动,纵向自动扩展
2HkP$;lED <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
#<4h
Y7/ gHvxmIG 13.回车转换成Tab
s+C&\$E <script language="javascript" for="document" event="onkeydown">
Bz9!a k~4 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
GvF~h0wMt event.keyCode=9;
8WZM}3x$f{ </script>
bb+-R_3Kd %@kmuz?? onkeydown="if(event.keyCode==13) event.keyCode=9"
"ln(EvW L!c7$M5xJ 14.DataGrid超级连接列
~F+{P4%`< DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
=+'4u vitmG'|WG 15.DataGrid行随鼠标变色
P8).Qn private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
m+"?;;s {
_rY,=h{+ if (e.Item.ItemType!=ListItemType.Header)
\;.\g6zX {
%W+*)u72( e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
ygWo9? e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
xuv%mjQ }
sZFjkfak }
o[O-|XL_ U<KvKg 16.模板列
3/@7$nV <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
go@UE2qw <ITEMTEMPLATE>
+(` <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
i~M CY.F </ITEMTEMPLATE>
25::z9i </ASP:TEMPLATECOLUMN>
506B= a:XVu0`( <ASP:TEMPLATECOLUMN headertext="选中">
imZi7o <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
m3+MRy5 <ITEMTEMPLATE>
~kD/dXt <ASP:CHECKBOX id="chkExport" runat="server" />
u-qg9qXJb </ITEMTEMPLATE>
-sh S?kV <EDITITEMTEMPLATE>
0gL]^_+7 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
e>#*$4tg </EDITITEMTEMPLATE>
|Z0? </ASP:TEMPLATECOLUMN>
N)RyRR.x1. {W)Kz_ 后台代码
-}/u?3^- protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
j#f+0 {
'nz;|6uC //改变列的选定,实现全选或全不选。
m$ )yd~ CheckBox chkExport ;
o8-BTq8 if( CheckAll.Checked)
X|TEeE c[L {
v~H1Il_+ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
x%pC.0% {
l"5$6h chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
6}='/d-[ chkExport.Checked = true;
Nwr.mtvh }
peCmb)>Sa }
/ *RDy!m else
0 #pjfc `: {
L$=@j_V2 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
K{.s{;# {
}S<2({GI chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
es]\xw chkExport.Checked = false;
{hG r`Rh }
9I0/KuZd
O }
3$ cDC8 }
$#2ik~]> MlgE-Lm 17.数字格式化
O<Qa1Ow7f WMnR+?q 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
+-&N<U <%#Container.DataItem("price","{0:¥#,##0.00}")%>
*cxmQ >Z?fX int i=123456;
`)e;bLP string s=i.ToString("###,###.00");
V2sWcV? Nv "R'Pps 18.日期格式化
,Q4U<`ds! g\)+
LX 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Vd3'dq8/? F+PIZ% 显示为: 2004-8-11 19:44:28
Dww]D|M kK&tB 我只想要:2004-8-11 】
9C}Ie$\ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
*k==2figz H `y.jSNi 应该如何改?
Mf7Q+_! &?>h#H222 【格式化日期】
=BQM(mal sv\'XarM 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
txQyHQ)@ kv&%$cA 【日期的验证表达式】
?g|K"P<1 5x?eun A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
6l&m+!i ^((\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})))?$
"6_#APoP ;~T)pG8IS B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
%F-/|x1#Q ^\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]))$
q9o =,[ 6la# 0U23 【大小写转换】
'`?\CXX HttpUtility.HtmlEncode(string);
SjD, HttpUtility.HtmlDecode(string)
1)(p=<$ mE)65@3% 19.如何设定全局变量
c_clpMx= i@e.Uzn Global.asax中
*bRer[7y vR`-iRQ?_ Application_Start()事件中
uW%7X2K rg+28tlDn 添加Application[属性名] = xxx;
hj64ES#x ;wND?: 就是你的全局变量
vb/*ILS h`+Gs{1qw 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
x&sT )=# {%D!~,4Ht HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
1<A+.W L(TO5Y] 【ASPNETMENU】点击菜单项弹出新窗口
jENarB^As ^ L'8: 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
2!>phE <?xml version="1.0" encoding="GB2312"?>
piJ/e <MenuData ImagesBaseURL="images/">
udtsq"U_% <MenuGroup>
3~6F`G <MenuItem Label="内参信息" URL="Infomation.aspx" >
(Tp+43v <MenuGroup ID="BBC">
* 2[&26D <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
*E:w377<} <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
+JZ<9,4 ......
?15k~1nA % \N.m/5 最好将你的aspnetmenu升级到1.2版
M['25[ =bs4*[zq 21.读取DataGrid控件TextBox值
}D
dg foreach(DataGrid dgi in yourDataGrid.Items)
2T5@~^:7u {
/'
L20aN2 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
~6U@*Svk tb.Text....
qTC`[l }
*{W5QEa O/_}O_rR 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?
a$#,'UB FMY
r6/I 〖思归〗
W6'+#Fp <asp:TemplateColumn HeaderText="数量">
.6!]RA5!= <ItemTemplate>
!? ?Cxs' <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Fdd$Bl.&XS onkeyup="javascript:DoCal()"
<9-tA\`8N />
V)R-w` hw_7N)} <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
X ~4^$x </ItemTemplate>
SynxMUlA </asp:TemplateColumn>
",E6)r I OF~V)8k= <asp:TemplateColumn HeaderText="单价">
d(,-13 <ItemTemplate>
<y*#[:i <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
*[
Wh9 ,H onkeyup="javascript:DoCal()"
6#N1 -@ />
0VoC|,$U y$*?k0=ZX <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
'Twi
@I {xEX_$nv </ItemTemplate>
mwbkXy;8 </asp:TemplateColumn>
#.9Xkn9S )%X\5]w` <asp:TemplateColumn HeaderText="金额">
(n"M) <ItemTemplate>
Uo^s]H#: <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
b_V)]>v+ </ItemTemplate>
wgLS9. </asp:TemplateColumn><script language="javascript">
RfN5X}&A function DoCal()
z-7F,$ {
m>:%[vm var e = event.srcElement;
\nkqp
var row = e.parentNode.parentNode;
Y141Twjvd var txts = row.all.tags("INPUT");
5`x9+XvoN if (!txts.length || txts.length < 3)
+6gS] return;
\`>Y fbw{)SZ var q = txts[txts.length-3].value;
0)ST_2Ci var p = txts[txts.length-2].value;
BD4.sd+H, 7UQD02 if (isNaN(q) || isNaN(p))
d/t'N-m return;
cR@z^ u8o7J(aQsR q = parseInt(q);
~d{E>J77j p = parseFloat(p);
'2# 0UdG 2vWkAC; txts[txts.length-1].value = (q * p).toFixed(2);
&-cI| }
Iu1P}R>C </script>
n1sH`C[c \re.KB#R >wMsZ+@m saRB~[6I Do_L 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。
(Nik(Oyj" page_load
3ZZJYf= page.smartNavigation=true
v(: VUo]H c,D'Hl6(% 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 ?
H}U&=w' private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
b7>;UX {
>_F&oA# for(int i=0;i<e.Item.Cells.Count-1;i++)
erqm=) if(e.Item.ItemType==ListItemType.EditType)
YF:NRY[i {
zkd#vAY(A e.Item.Cells.Attributes.Add("Width", "80px")
10[~ki-1; }
MfL q
h }
"lz!'~im G*"N}M1) 26.对话框
lA]u8+gXd private static string ScriptBegin = "<script language=\"JavaScript\">";
pt0H*quwI private static string ScriptEnd = "</script>";
)>[(HxvfJU Pc(2'r@# public static void ConfirmMessageBox(string PageTarget,string Content)
5cfzpOqr0 {
k~vmHb string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
N{q'wep yNDyh ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Eui;2P~ DI&xTe9k Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
C#r`oZS1 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
aIfog+Lp //Response.Write(strScript);
Hou{tUm{xC }
O]PfQ dT|z)-Z` 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
2
G"p:iPp f0[xMn0Tu 1.1 取当前年月日时分秒
zm~~mz A currentTime=System.DateTime.Now;
pDKJLa 8n73MF
1.2 取当前年
pGcc6q1
int 年= DateTime.Now.Year;
4kz8U Xoik%T- 1.3 取当前月
TY#1Z )% int 月= DateTime.Now.Month;
VAthQ< e;pNB 1.4 取当前日
z`Q5J9_<cV int 日= DateTime.Now.Day;
sEj:%`l| f,-|"_5; 1.5 取当前时
~::R+Lh( int 时= DateTime.Now.Hour;
{&;b0'!Tf JZY=2q& 1.6 取当前分
p/5!a~1'xN int 分= DateTime.Now.Minute;
g SwG=e\ U-?
^B*< 1.7 取当前秒
,mX|TI<* int 秒= DateTime.Now.Second;
E*I]v Pz)QOrrG~ 1.8 取当前毫秒
N1Z8I: int 毫秒= DateTime.Now.Millisecond;
}?~uAU- `kv$B3 28.自定义分页代码:
w2,T.3DT xWwPrd 先定义变量 :
%<"11;0tp public static int pageCount; //总页面数
/j)VES public static int curPageIndex=1; //当前页面
'?>eW2d VoyH: 下一页:
[s34N+vU if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
}F`Tp8/&j {
=5/;h+bk+3 DataGrid1.CurrentPageIndex += 1;
]p*)
PpIl curPageIndex+=1;
)f!dG(\ }
MELGTP> 55cldo bind(); // DataGrid1数据绑定函数
\O8f~zA{G Y z,!#ob$ 上一页:
RsD`9>6) if(DataGrid1.CurrentPageIndex >0)
:I'Ezxv| {
(rG1_lUDu DataGrid1.CurrentPageIndex += 1;
{^kG<v.vV curPageIndex-=1;
j~E +6f\ }
>a7(A#3@d >h[!gXL^ bind(); // DataGrid1数据绑定函数
s4gNS
eA -n
*>zGc 直接页面跳转:
7L+X\oaB int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
U&n>fXTHn uT/B}`md if(a<DataGrid1.PageCount)
05KoxFO? {
N
&[,nUd this.DataGrid1.CurrentPageIndex=a;
VqL
5f }
W#L"5pRg 9xQ8` 7 bind();
ij i.3- hcgc
=$^ 29.DataGrid使用:
@,4%8E5 IOkC [([ 添加删除确认:
uK:-g,; private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
NoO+xLHw8 {
>NRz*h # foreach(DataGridItem di in this.DataGrid1.Items)
)6Q0f {
8}{o2r@ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
yJ8}*Gj& {
b!X"2' ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
9I\3T6&tr }
= (gmd>N }
NVJ&C]H6 }
=*g$#l4 Yv>BOK 样式交替:
7p.h{F'A ListItemType itemType = e.Item.ItemType;
%L
j0 t\pK`DM-[ if (itemType == ListItemType.Item )
v0C;j(2zb {
lW$&fuDHF e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
^+as\ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
6%kJDY. }
x$n~f:1Y else if( itemType == ListItemType.AlternatingItem)
&QTeGn {
'}Wu3X e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
IE)"rTI)b e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
WY"Y)S }
< m enABN4 xIQ/$[&v 添加一个编号列:
[vWkAJ'K DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
=zm0w~']E! DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
rg5]`-!= 7-d}pgVK for(int i=0;i<dt.Rows.Count;i++)
{^cF(7p {
Ug7`ez4vw dt.Rows["number"]=(i+1).ToString();
=_RcoG/^~ }
q9^Y?` "Ap$Jl B DataGrid1.DataSource=dt;
a|QE *s. DataGrid1.DataBind();
[0u.}c;( x}?DkFuxb DataGrid1中添加一个CheckBox,页面中添加一个全选框
)'[x)q private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
y9C;T(oi; {
QqiJun_m foreach(DataGridItem thisitem in DataGrid1.Items)
O3kg {
kmlG3hOR, ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
0]T.Lh$3 }
k0|`y U }
F qeV3N A%Bgp?B 将当前页面中DataGrid1显示的数据全部删除
;)(Sdf[P foreach(DataGridItem thisitem in DataGrid1.Items)
EBoGJ_l {
?a5h iN0 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
>4n+PXRXX {
J~Cc9"( string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
.dx
4,|6 Del (strloginid); //删除函数
hv+|s( }
48 W.qzC }
&5\^f?'b7 G2.|fp_}pG 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
_u&>&,:q U;xu/xDRi 在Application_Start中添加以下代码:
I=K!)X$ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
&v^!y=Bt AppSettings["ConnStr"].ToString();
e`i7ah; o#qH2)tb 31. 变量.ToString()
OT%0{2c"] 9G0D3F 字符型转换 转为字符串
IY=/`g 12345.ToString("n"); //生成 12,345.00
;{vwBDV!' 12345.ToString("C"); //生成 ¥12,345.00
u!Xb?:3uj 12345.ToString("e"); //生成 1.234500e+004
opsQn\4DZ? 12345.ToString("f4"); //生成 12345.0000
hAm/mu 12345.ToString("x"); //生成 3039 (16进制)
TG}d3ZU
! 12345.ToString("p"); //生成 1,234,500.00%
#j;Tb2&w A)tP()+) 32、变量.Substring(参数1,参数2);
Xka<I3UD5 w OI^Q~ 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);
~h-C&G,v xc9YM0B& 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)
&FSmqE;@^ <SCRIPT language="javascript">
JB3 "EFv <!--
R}8XRe function gook(pws)
8S\RN&T$ {
$ a? frm.submit();
>M]6uf }
qve
./ //-->
'JieIKu ? B@E!/f </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
bLzs?eos <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
MtS3p>4 <tr>
-KH)J <td>
bB!#:j>(v <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
~@T<gA9V <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
q2hFOm <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
F.tfgW(A@ O*[{z)M. <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
NQfYxB1Yr: <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
&?0:v`4Y ndink$ </td>
)KE[!ofD LCs__. </tr>
{o0qUX>[ -'`TL$ </form>
mMSh2B S${Zzt" 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。
OtJ\T/q, )[L^Dmd, 下面是获取用户输入的登陆信息的代码:
33'Y [4 string name;
~
Vw9 name=Request.QueryString["EmailName"];
*>NX%by) ST5V!jz try
MZV_5i@: {
,E;;wdIt int a=name.IndexOf("@",0,name.Length);
J@_ctGv f_user.Value=name.Substring(0,a);
IvHh4DU3Z f_domain.Value=name.Substring(a+1,name.Length-(a+1));
POAw M f_pass.Value=Request.QueryString["Psw"];
JTU#vq:TY }
mO*^1 p5\]5bb catch
S0d~.ah30 {
#m<tJnEO Script.Alert("错误的邮箱!");
fB1TFtAh Server.Transfer("index.aspx");
#3$\Iu }