1. 打开新的窗口并传送参数:
l-M~e] V4xZC\)Gk 传送参数:
Xhi9\wteYw response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
(R Ttz {n|Ra[9_ 接收参数:
;m7$U string a = Request.QueryString("id");
~|fd=E% string b = Request.QueryString("id1");
w^P4_Yr[T $|sRj!F 2.为按钮添加对话框
#,GpZ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
q.rn ZU button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
]<{BDXIGIE I~#'76L[ 3.删除表格选定记录
hPhN7E03 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
py@5]n% string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
,mjwQ6:Ny '7wWdq 4.删除表格记录警告
-pcYhLIn private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
\e ( h6,@ {
Qm ;ip E switch(e.Item.ItemType)
.Ml}cE$L {
[4sbOl5yZ case ListItemType.Item :
TRX; m|
case ListItemType.AlternatingItem :
zFwp$K>{QY case ListItemType.EditItem:
Q%q_ TableCell myTableCell;
KxK$Y.y] myTableCell = e.Item.Cells[14];
+9,"ne1'e LinkButton myDeleteButton ;
3'*SSZmnOB myDeleteButton = (LinkButton)myTableCell.Controls[0];
|=,V,*" myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
v0\2%PC break;
36.L1!d)pE default:
=U3!D;XP break;
k`kmmb> }
%6dFACv ;l+3l
ez }
c7P"1 [%z~0\lu8 5.点击表格行链接另一页
P\N$TYeH private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
tAc[r)xFw {
ZuILDevMD //点击表格打开
zziuj s: if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Hi<{c e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
rEs,o3h?po }
|Pwb7:a3 [2.pZB 双击表格连接到另一页
M}3>5*!= H?UmHwwE 在itemDataBind事件中
vsHY; [ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
pA4oy {
;lnh;0B string OrderItemID =e.item.cells[1].Text;
)O2giVq7[0 ...
CzST~*lH e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
A)s }
3[aCy4O vvFXdHP 双击表格打开新一页
2o?!m2W if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:v8j3= {
ki=-0G*] string OrderItemID =e.item.cells[1].Text;
Tld%NE ...
W}.;]x%1B e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
WF-B=BRZ }
doVBV Tk^ ~z%K9YcyU ★特别注意:【?id=】 处不能为 【?id =】
IWsB$T 6.表格超连接列传递参数
%Mz(G-I.\ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
`A$yF38! <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
mEr*n ub0]nov 7.表格点击改变颜色
95[yGO>ZYz if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
~'=s?\I {
ko$bCG% e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
eHm! this.style.color=’buttontext’;this.style.cursor=’default’;");
F=$2Gz
'RT }
={YW*1Xw ! E#XmYhX= 写在DataGrid的_ItemDataBound里
bu,Z' if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
VQ{}S $jQ {
F+v? 2|03 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
d]$z&E this.style.color=’buttontext’;this.style.cursor=’default’;");
=-1d m+P e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Ojr{z }
K{t7_i#tv %AXa(C\1 $ZH$x3; 8.关于日期格式
Iy6"2$%a ?_(0cVi 日期格式设定
#rF|X6P DataFormatString="{0:yyyy-MM-dd}"
rhHX0+ p4bQCI 我觉得应该在itembound事件中
&5)Kg%r e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
srw5&s(3X !2>gC"$nv 9.获取错误信息并到指定页面
|9{l8`9}_ U[u9RB 不要使用Response.Redirect,而应该使用Server.Transfer
n*{e0,gp` CJ%bBL'. e.g
u
B~/W // in global.asax
$DJp|(8 protected void Application_Error(Object sender, EventArgs e) {
.3 m^yo
c/ if (Server.GetLastError() is HttpUnhandledException)
~^w;`~L Server.Transfer("MyErrorPage.aspx");
? D2:'gg ]SFB_5Gb //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
GGo
nA }
`LEk/b1(P (iIJ[{[H4) Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
GL(R9Y c{ +Y$ 10.清空Cookie
i$?i1z*c} Cookie.Expires=[DateTime];
XTXRC$B Response.Cookies("UserName").Expires = 0
RYZh"1S;k 3^xTZ*G 11.自定义异常处理
X0*
y8" //自定义异常处理类
9@nX 6\, using System;
.ss/E using System.Diagnostics;
APsd^J r2]:'O6 namespace MyAppException
/ 9/=] {
3&/5!zOg) /// <summary>
@D[jUC$E /// 从系统异常类ApplicationException继承的应用程序异常处理类。
t.v@\[{- /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Q
Bc\=} /// </summary>
DO'$J9;* public class AppException:System.ApplicationException
LBk1Qw}- {
6-{QU] # public AppException()
RM|<(kq {
>t.2!Z_RQ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
5lu620o }
ygW,4Vz7J ;HlVU public AppException(string message)
=q.2S;? {
B-
N LogEvent(message);
AA:Ch? }
Z f4Xt
Yn L0/0<d(K public AppException(string message,Exception innerException)
s_yY,Z: {
}Gqx2 )H LogEvent(message);
}b~;x6 if (innerException != null)
\/p\QT@mm {
Ji\8(7
{8 LogEvent(innerException.Message);
M~t S
* }
D"oyl`q }
O%AQ'[' 3b
(I~ //日志记录类
U~azI(1"W using System;
M\BLuD using System.Configuration;
hR
Y*WL using System.Diagnostics;
3(Kj|u using System.IO;
1C6H\; using System.Text;
I
$!Y using System.Threading;
4E}]> w^sM,c5d namespace MyEventLog
r]iec{ ^ {
_'JKPD[ /// <summary>
Xhe2 5 /// 事件日志记录类,提供事件日志记录支持
U{gJn#e/. /// <remarks>
]7}2"?J4v /// 定义了4个日志记录方法 (error, warning, info, trace)
]xBQ7Xqf| /// </remarks>
0.4c|-n /// </summary>
&Y;z[+(P public class ApplicationLog
6Daz1Pxd+ {
-z)I;R /// <summary>
~T7\lJ{%G /// 将错误信息记录到Win2000/NT事件日志中
S=!3t` /// <param name="message">需要记录的文本信息</param>
?*zRM?* /// </summary>
|d?0ZA:z public static void WriteError(String message)
{x40W0 {
r4D*$H-rR WriteLog(TraceLevel.Error, message);
hhLEU_U }
y,v*jE Lj6$?(x} /// <summary>
<?5 ,3`V /// 将警告信息记录到Win2000/NT事件日志中
bm*Ell\a. /// <param name="message">需要记录的文本信息</param>
C s?kZ
% /// </summary>
JeU|e$I4> public static void WriteWarning(String message)
dWwh?{n {
^CX=< WriteLog(TraceLevel.Warning, message);
Q7zg i }
ABvB1[s# ZP61T*n /// <summary>
' :lADUt /// 将提示信息记录到Win2000/NT事件日志中
YQxVeS( /// <param name="message">需要记录的文本信息</param>
N>giFj[dD /// </summary>
y)X1!3~( public static void WriteInfo(String message)
lPFT)>(+@ {
,.6Hh'^65^ WriteLog(TraceLevel.Info, message);
UaA6 }
]fg?)z-Z /// <summary>
[H$rdh[+ /// 将跟踪信息记录到Win2000/NT事件日志中
*[t@j*al /// <param name="message">需要记录的文本信息</param>
# kl?ww U /// </summary>
'kPc`)\ public static void WriteTrace(String message)
U@x5cw: {
D'2&'7-sm\ WriteLog(TraceLevel.Verbose, message);
E#X(0(A) }
,Ua`BWF l'n"iQ!G /// <summary>
Ufd{.o[{- /// 格式化记录到事件日志的文本信息格式
6|+I~zJ88 /// <param name="ex">需要格式化的异常对象</param>
D6@c& /// <param name="catchInfo">异常信息标题字符串.</param>
rTT Uhd /// <retvalue>
%b<cJ]F /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
?NoG. /// </retvalue>
V\r!H>
/// </summary>
E+k#1c|v$ public static String FormatException(Exception ex, String catchInfo)
i9+(gX(t {
xhLVLXZ9 StringBuilder strBuilder = new StringBuilder();
4Z5ZV! if (catchInfo != String.Empty)
9#L0Q%,* {
JJ[.K*dO strBuilder.Append(catchInfo).Append("\r\n");
Hz&a~ }
eD5.*O strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
{0
d/; return strBuilder.ToString();
cl:h'aG }
2'UWPZgE Rqu_[M /// <summary>
g0NtM%
/// 实际事件日志写入方法
s ki'I /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
8`l bKV /// <param name="messageText">要记录的文本.</param>
:1NF#-2\f /// </summary>
%H Pwu & private static void WriteLog(TraceLevel level, String messageText)
'F.Da#st!} {
D&KRJQ/ try
*f{\ze@5= {
4/e|N#1`;[ EventLogEntryType LogEntryType;
YMx]i,u'+ switch (level)
f-&4x_5 {
VgLrufJ case TraceLevel.Error:
#lXwBfBMf LogEntryType = EventLogEntryType.Error;
&g%9$*gmT break;
;DbEP. %u$ case TraceLevel.Warning:
H=O/w3 LogEntryType = EventLogEntryType.Warning;
+Z99x# break;
|X@ZM case TraceLevel.Info:
LPO:Ka LogEntryType = EventLogEntryType.Information;
ZqH.$nXP break;
f*U3s N^y case TraceLevel.Verbose:
a~jU~('4}w LogEntryType = EventLogEntryType.SuccessAudit;
KPc`5X break;
U7i WYdt$ default:
3BHPD;U LogEntryType = EventLogEntryType.SuccessAudit;
0<Q['l4Ar break;
;zk& 7P0 }
=E?kxf[X k'Is]=3 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
vJTdZ p //写入事件日志
6jz6
eventLog.WriteEntry(messageText, LogEntryType);
xe9E</M_ +ve S~ }
oZm)@Vv; catch {} //忽略任何异常
\>,[5|GU }
&p|+K
XIf } //class ApplicationLog
\~u7 k }
K@yLcgr{O2 _M[@a6? 12.Panel 横向滚动,纵向自动扩展
p,#t[K <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
t&m8 V$Q 3[`/rg, 13.回车转换成Tab
KU:RS+,e; <script language="javascript" for="document" event="onkeydown">
mN+
w, if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Uj]Tdg event.keyCode=9;
IqEE.XhaK </script>
zpi
Q ;P x -CTMKX onkeydown="if(event.keyCode==13) event.keyCode=9"
I|&<!{Rq pK/r{/>r 14.DataGrid超级连接列
oihn`DY{ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
,i0Dw"/u PX!$w*q 15.DataGrid行随鼠标变色
8x":7 yV& private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
D XFU~J* {
APye if (e.Item.ItemType!=ListItemType.Header)
!j8.JP}!) {
UYOveQ; e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
rvPY e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
.tRp }
\piB*"ln }
<K6gzi0fl Jkf%k3H3I* 16.模板列
LdAWCBLS <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
%0-fn' <ITEMTEMPLATE>
\m Gx-g6 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
:'hc&wk` </ITEMTEMPLATE>
">zK1t5= </ASP:TEMPLATECOLUMN>
Tnd)4}2p ~O|g~H5; <ASP:TEMPLATECOLUMN headertext="选中">
*GUQz <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
jTSN`R9@ <ITEMTEMPLATE>
(tG8HwV- <ASP:CHECKBOX id="chkExport" runat="server" />
5t('H`,2 </ITEMTEMPLATE>
wAt|'wP
: <EDITITEMTEMPLATE>
_-MILkx\ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
$r3kAM;V: </EDITITEMTEMPLATE>
@q(sig00nr </ASP:TEMPLATECOLUMN>
(*6kYkUK
DT2uUf 后台代码
(3. B\8s protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
S1d^mu {
8/i];/,v*M //改变列的选定,实现全选或全不选。
goa@e CheckBox chkExport ;
w?;j5[j if( CheckAll.Checked)
Hsdcv~Xr;l {
kD}w5 U foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
ZwzN=03T {
Dt#( fuk# chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
*P:!lO\| chkExport.Checked = true;
/w|!SZB }
V=
wWY*C }
HGiO}|q: else
#3~ #`& {
:r+BL@9 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
o54/r#~fi {
Yee%
<<S chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
)c6t`SBwi chkExport.Checked = false;
4DwQ7KX }
p+.xye U( }
I-glf?F) }
x^sSAI( eE=}^6)(* 17.数字格式化
;#)vw;XR RA_gj lJi 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
dp|VQWCq <%#Container.DataItem("price","{0:¥#,##0.00}")%>
jV
'u*2&9 V7S[rI<<r int i=123456;
jx=5E6(h string s=i.ToString("###,###.00");
gRsV-qS hD*83_S 18.日期格式化
w%2|Po5 .`ZuUr 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
@A.7`*i_ G~ONHXL 显示为: 2004-8-11 19:44:28
GEs5@EH k00&+C 我只想要:2004-8-11 】
E[=#Rw!* <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
{9c_T!c jtH>&O 应该如何改?
evQk,;pIm =JW.1;
【格式化日期】
E*"-U!?)l2 cVYPPal 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
QAxR'.d J/k4CV*li( 【日期的验证表达式】
LlF|VR&P. t&>eZ" A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
?PSJQ3BC| ^((\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})))?$
h
7/wkv\y9 ^[=1J B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
I9ZJ"29 ^\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]))$
j>I.d+ s$3WJ'yr 【大小写转换】
e~1$x`DH HttpUtility.HtmlEncode(string);
77/j}Pxh HttpUtility.HtmlDecode(string)
}C'h<%[P 0l'"idra 19.如何设定全局变量
ugy:^U c#L.I Global.asax中
b~td^ sUl
_W"aQ Application_Start()事件中
*eEn8rAr ?l?_8y/ww 添加Application[属性名] = xxx;
Aq*,cOF+ d%lwg~@&|5 就是你的全局变量
m`!Vryf D>6vI 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
*7`amF- "t>WM HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
+'`I]K> 1\LK[tvh 【ASPNETMENU】点击菜单项弹出新窗口
s $?u'}G3 i}_d&.DbF 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
=vD}O@tN <?xml version="1.0" encoding="GB2312"?>
$.Qu55=z< <MenuData ImagesBaseURL="images/">
~E3"s <MenuGroup>
A4IPd <MenuItem Label="内参信息" URL="Infomation.aspx" >
@~j--L <MenuGroup ID="BBC">
OlcWptM$ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
j\%m6\{n| <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
=|O><O| ......
"tUc "o>` Y 最好将你的aspnetmenu升级到1.2版
7: .bqRu K-6+fgeB 21.读取DataGrid控件TextBox值
W:y'a3~ foreach(DataGrid dgi in yourDataGrid.Items)
"*oN~&flc {
'l41];_ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Vd+5an? tb.Text....
&^JYIRn1\ }
ibxtrt= NVG`XL 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?
IEQ6J}L 12 S[m~L% 〖思归〗
&Tn7 <asp:TemplateColumn HeaderText="数量">
40Z/;,wp{ <ItemTemplate>
- *_"ZgE <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
/e50&]2w onkeyup="javascript:DoCal()"
q,fk@GI'2 />
=G-u "QJ6 E|BiK <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
eSA%:Is. </ItemTemplate>
/GU%{nT </asp:TemplateColumn>
H\RuYCn2G &4V"FHy2 <asp:TemplateColumn HeaderText="单价">
V~ [I /Vi <ItemTemplate>
1Jn:huV2 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Xb5$ijH onkeyup="javascript:DoCal()"
]M.)N.T />
((E5w:=? }ej-Lu,b3 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
*+>R^\uT 5c+7c@. </ItemTemplate>
t.]c44RY </asp:TemplateColumn>
r/BiR0$E >a5avSn <asp:TemplateColumn HeaderText="金额">
tX.{+yyU <ItemTemplate>
3I.0uLjg^ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
d+Bz
pS@p </ItemTemplate>
cwKOE?! </asp:TemplateColumn><script language="javascript">
-nKBSls function DoCal()
J6*B=PX=( {
Ykt(%2L var e = event.srcElement;
n+;PfQ| var row = e.parentNode.parentNode;
Bl8&g]dk var txts = row.all.tags("INPUT");
~zA{=|I2 if (!txts.length || txts.length < 3)
+H8;*uZ|k, return;
;WpPdR2 !Knv/:+ var q = txts[txts.length-3].value;
{1j[RE var p = txts[txts.length-2].value;
||vQW\g "G m:M if (isNaN(q) || isNaN(p))
!>L+q@l) return;
O-K!Bv^
Q tmf=1M q = parseInt(q);
wJF Fg : p = parseFloat(p);
x1ID6kI[{* s7#|'jhZt txts[txts.length-1].value = (q * p).toFixed(2);
DozC> }
uyDYS </script>
M"$TXXe ;r
XhK$ dk9nhS+faJ Ch9A6?=Hj8 q{t"=@lX01 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。
hhvP*a_J page_load
-!p-nk@9| page.smartNavigation=true
,9;d"ce ,*$/2nB^ 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 ?
5`3f"(ay/ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
D7Nz3.j {
MB,P#7| for(int i=0;i<e.Item.Cells.Count-1;i++)
sP NAG
if(e.Item.ItemType==ListItemType.EditType)
1yIo'i1 {
Y)L\*+
>"[ e.Item.Cells.Attributes.Add("Width", "80px")
8E!I9z }
!%2aw0Yv }
Y;eJo e[@
^UY 26.对话框
R.)U<`| | private static string ScriptBegin = "<script language=\"JavaScript\">";
WxS=Aip' private static string ScriptEnd = "</script>";
9N'um%J3%s D|D1`CIM public static void ConfirmMessageBox(string PageTarget,string Content)
5}4MXI4 {
TIa`cU` string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
(u
>:G6K kty,hAXe ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
= *A_{u;E rHtT>UE= Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
C9}2F{8 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
PHa#;6!5 //Response.Write(strScript);
r} ~l( }
^JMSe- :6z0Ep" 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
BVC{Zq6hi :l>T~&/98 1.1 取当前年月日时分秒
cF[[_ currentTime=System.DateTime.Now;
B|O/h!H. V6d*O`
1.2 取当前年
+Hb6j02# int 年= DateTime.Now.Year;
`Vwj|[0k wz!]]EQ!o 1.3 取当前月
9CWUhS
int 月= DateTime.Now.Month;
8[FC *3<m<<>U 1.4 取当前日
FJ}QKDQW= int 日= DateTime.Now.Day;
':!;6v|L uu>[WFh 1.5 取当前时
'eo2a&S2D int 时= DateTime.Now.Hour;
00G[`a5 QLH
s 3eM 1.6 取当前分
ii*Ty!Sa int 分= DateTime.Now.Minute;
i
c]f o 5hp b=2 1.7 取当前秒
j>s%q. int 秒= DateTime.Now.Second;
,7M9f 1{"fmV 1.8 取当前毫秒
F
,{nG[PL int 毫秒= DateTime.Now.Millisecond;
3@}HdLmN| N_VAdNJ^: 28.自定义分页代码:
YS{ ,oP-:q!PC 先定义变量 :
^%d+nKx9nL public static int pageCount; //总页面数
\FTvN public static int curPageIndex=1; //当前页面
hpXu3o7e EW4XFP4
c 下一页:
:7Vm]xd}do if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
4:<0i0)5 {
9~,eu DataGrid1.CurrentPageIndex += 1;
oUw-l_ M] curPageIndex+=1;
z6G^ BaT' }
|<ke>j/6n
W{;!JI7;z bind(); // DataGrid1数据绑定函数
r+0)l:{. oqDW}>. 上一页:
O|j5ulO}&" if(DataGrid1.CurrentPageIndex >0)
8XJ%Yuu {
@;<w"j`r DataGrid1.CurrentPageIndex += 1;
]jHB'Y curPageIndex-=1;
Y=3Y~ }
1}8e@`G0.] NE9e brK bind(); // DataGrid1数据绑定函数
v!F(DP.)Z Ir\3c9 直接页面跳转:
^s5.jlZr@ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
l.BSZhO$ lGLZIp if(a<DataGrid1.PageCount)
T"d]QYJS {
\Y!Z3CK this.DataGrid1.CurrentPageIndex=a;
&7DE$ S }
TTE#7\K~B 5Ij_$a bind();
*=/XlSWF 7FDraEr#f 29.DataGrid使用:
T>uLqd{hH )cqhbR 添加删除确认:
)edM@beY_ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
}(tGjx] {
yJp&A foreach(DataGridItem di in this.DataGrid1.Items)
6!"15dPN {
ZTmdS if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
',!#?aGV {
2qr%xK'^B ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
i^IvT }
s\jLIrG8 }
6:EO }
2tr2:PB` p[uwG31IL` 样式交替:
t'Q48QAb? ListItemType itemType = e.Item.ItemType;
_ _)Z Q IeU.T@ $ if (itemType == ListItemType.Item )
akqXh 9g {
`a6;*r y e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
tcX7Ua(I` e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
95!xTf }
"Z{^i3gN else if( itemType == ListItemType.AlternatingItem)
D\`$ {
nlmkkTHF8 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
I'@ }Yjm| e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
@s
IZ }
*Cb(4h- S&=B &23T 添加一个编号列:
0Hz3nd?v DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
GS{9MGl DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Ti)n(G9$ 0"QE,pLe4 for(int i=0;i<dt.Rows.Count;i++)
Zka;}UL&Q {
g]ihwm~ dt.Rows["number"]=(i+1).ToString();
,5\n%J: }
Z9sg6M@s <K0lS;@K DataGrid1.DataSource=dt;
k{bba=< DataGrid1.DataBind();
q/3}8BJ 8EE7mEmLH DataGrid1中添加一个CheckBox,页面中添加一个全选框
Va 5U`0 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Yr31GJ}K {
SUVr&S6Nk foreach(DataGridItem thisitem in DataGrid1.Items)
& aLR'*]6 {
OKU P ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
SA&wW\Ym] }
n)=&=Uj`f }
\ D[BRE+ K7l{&2>? 将当前页面中DataGrid1显示的数据全部删除
AHA*yC foreach(DataGridItem thisitem in DataGrid1.Items)
.6"7Xxe]< {
an7N<-? if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
f@}( <# {
d}=p-s.GA string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
zm}1~A Del (strloginid); //删除函数
evs2dz<eA }
-( iJ< }
p>zE/Pw~ g<C})84y3 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)
z]WT>4 m,KY_1%M 在Application_Start中添加以下代码:
fU}w81oe Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
!^7:Rr_ AppSettings["ConnStr"].ToString();
[V f|4xcD 4J_%quxO 31. 变量.ToString()
Rk=B; q38; w~H 字符型转换 转为字符串
)6j:Mbz 12345.ToString("n"); //生成 12,345.00
+?<jSmGW 12345.ToString("C"); //生成 ¥12,345.00
g\.N>P@Bu 12345.ToString("e"); //生成 1.234500e+004
v\ox:C 12345.ToString("f4"); //生成 12345.0000
X"0Q) 12345.ToString("x"); //生成 3039 (16进制)
ZJpI]^9| 12345.ToString("p"); //生成 1,234,500.00%
"+WR[-n>\ /7#&qx8 32、变量.Substring(参数1,参数2);
?4Lo"igAA oN$ZZk
R 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
3q>"#+R.t ,*4"d._Y 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
xr/k.Fz <SCRIPT language="javascript">
TGNeEYr <!--
L$xRn/\ function gook(pws)
-Gpj^aBU {
Dk-L4FS frm.submit();
c`.:"i"k3 }
r &[~/m8zl //-->
EyeLC6u uM}O8N </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
W% [5~N <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
-0`hJ_( <tr>
n`,Q: <td>
O>GP>U?] <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
Rv-o__C! <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
39j d}]e <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
#r:`bQ0; rA`\we) <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
hLvv:C@ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
Vk (bU=w agYKaM1N </td>
*LRGfk+h ^sKXn:) </tr>
MUrY >FYgx 2z\F m/Z. </form>
b{rmxtx RtL<hD 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。
^ztf:'l@C CA4-&O" 下面是获取用户输入的登陆信息的代码:
o^?{j*)g string name;
zEW:Xe) name=Request.QueryString["EmailName"];
fq|2E&&v _&/Zab5 try
Z@ kC28 {
mTfMuPPs[ int a=name.IndexOf("@",0,name.Length);
uFm-HR@4 f_user.Value=name.Substring(0,a);
"{_"NjH f_domain.Value=name.Substring(a+1,name.Length-(a+1));
^H4iHjg f_pass.Value=Request.QueryString["Psw"];
A 5 X+Z }
8j}m\^si h+UscdUl catch
\bOjb\ w$ {
`<zb Script.Alert("错误的邮箱!");
.F2nF8 Server.Transfer("index.aspx");
i!3K G|V }