1. 打开新的窗口并传送参数:
Pxl7zz&pl= Dd:Qotu 传送参数:
x!
Z|^q
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
y%z$_V] I=.98v% 接收参数:
MQLa+I,S4 string a = Request.QueryString("id");
)=2iGEVW string b = Request.QueryString("id1");
cn Q(
G$kh gzi~BJ 2.为按钮添加对话框
nIdvff Button1.Attributes.Add("onclick","return confirm(’确认?’)");
#knpZ' button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
6 Rg{^E Rf qd(`~a 3.删除表格选定记录
pO x0f;'G+ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
z$S)|6Q
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
yn`H }@`k @VVBl I 4.删除表格记录警告
/\OjtE private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
X 5pp8~ {
`@-H
; switch(e.Item.ItemType)
wzF/`z&0?6 {
cgml^k\k^ case ListItemType.Item :
=Cu! case ListItemType.AlternatingItem :
s [@II] case ListItemType.EditItem:
]B\H TableCell myTableCell;
B`9'COw myTableCell = e.Item.Cells[14];
S9U`-\L0 LinkButton myDeleteButton ;
MejM(o_kk myDeleteButton = (LinkButton)myTableCell.Controls[0];
_6xC4@~h* myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
abx/h#_q break;
%Q]m6ciAM default:
^vfp; break;
R$_#7>3 }
[|E
93g z-ra] }
SW#
5px` eM{,B 5.点击表格行链接另一页
K-Y;[+#g1o private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@tR:}J*9s {
0%#ZupN //点击表格打开
~#pQWa5 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
5Ta<$t e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
r3{Cu z }
E.zY(# S Gdb6 U{ 双击表格连接到另一页
/X9K g M e_.X_ 在itemDataBind事件中
OXT 5
y) if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Hj2E -RwG {
sWa`-gc string OrderItemID =e.item.cells[1].Text;
ko2 ?q ...
luY#l!mx3 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
V*Ta[)E }
U\s.fIr F^fL 双击表格打开新一页
lhZXq!2p if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
>;:235'(M {
GHaD32 string OrderItemID =e.item.cells[1].Text;
XOe)tz
L ...
~M _@_ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
a9}7K/Y=d }
h/?$~OD I($0&Y\De ★特别注意:【?id=】 处不能为 【?id =】
/m"O.17N 6.表格超连接列传递参数
`bY>f_5+ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
8eGq.+5G <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
k[#<=G_=/E ae_Y?g+3 7.表格点击改变颜色
Z8IY!d if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
4L)#ku$jW {
THEpW{.E e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
' d' Dlg this.style.color=’buttontext’;this.style.cursor=’default’;");
KW`^uoY$ }
o"wvP~H g3B%}!| 写在DataGrid的_ItemDataBound里
zZR_&z< if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
pL2P
. {
=hL;Q@inb e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
~XU%_Hz this.style.color=’buttontext’;this.style.cursor=’default’;");
J[ ;g
\ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
&6deds
}
a=@]Ov/ "Tt5cqUQoY x
*:v]6y 8.关于日期格式
]L)l5@5^ g6aIS^mU 日期格式设定
GO4IAUA DataFormatString="{0:yyyy-MM-dd}"
)d(F]uV:y {8]Yqx)1]] 我觉得应该在itembound事件中
@:s(L] e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
)seeBm-` Wz{,N07Q#{ 9.获取错误信息并到指定页面
"}*5'e.* u]0{#wu;g 不要使用Response.Redirect,而应该使用Server.Transfer
F)K&a `
ES-LLhVf e.g
y Ny,$1 // in global.asax
H.o=4[ protected void Application_Error(Object sender, EventArgs e) {
S,0h
&A9 if (Server.GetLastError() is HttpUnhandledException)
uE E;~`G Server.Transfer("MyErrorPage.aspx");
c`,'[Q5(O 7C / ^Gw //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
W=G8l% }
%/; *Ewwb qL2!\zt>g Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
<Fo~|Nh| 7up~8e$ _ 10.清空Cookie
n Nu~)X Cookie.Expires=[DateTime];
{gT4Oq__ Response.Cookies("UserName").Expires = 0
QzLE9 |-l9 Z 11.自定义异常处理
p`qy57 //自定义异常处理类
@V}!elV using System;
+,c]FAx4 using System.Diagnostics;
MZd?cS
2^w8J w9 namespace MyAppException
F%< ZEVm {
3le$0f:O /// <summary>
.D3k(zZ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
'><I|c} /// 自动将异常内容记录到Windows NT/2000的应用程序日志
DMdVE P"m /// </summary>
tn38T% public class AppException:System.ApplicationException
u7nTk'#r {
He9Er public AppException()
#=uV, dw {
u(W>HVEG if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
vC^Ul }
-y|*x-iZ 1`Z:/]hl public AppException(string message)
joA>-k04 {
nPW=m`jG LogEvent(message);
zFi)R }Ot }
W\EvMV" l6T^e@* public AppException(string message,Exception innerException)
y0]"qB {
\ gO!6 LogEvent(message);
ZHM NG~! if (innerException != null)
Xk] uXx:TN {
Xl,707 LogEvent(innerException.Message);
%`bn=~T^ }
\RS0mb }
)tm%0z7R 2WUl8?f2Y //日志记录类
}v xRjO, using System;
gySl.cxt using System.Configuration;
@rP#ktz] using System.Diagnostics;
f
= 'AI using System.IO;
Z'~/=a)7 using System.Text;
V}h
<,E9 using System.Threading;
5fq4[a ~K@p`CRbV namespace MyEventLog
H0\', X {
@$fvhEkrT@ /// <summary>
RF }R~m9] /// 事件日志记录类,提供事件日志记录支持
oH(a*i /// <remarks>
zDf96eK /// 定义了4个日志记录方法 (error, warning, info, trace)
;$vVYC /// </remarks>
S&F[\4w5] /// </summary>
|R;` public class ApplicationLog
m1D,#=C,_ {
8b"vXNB.f /// <summary>
':|E$@$W /// 将错误信息记录到Win2000/NT事件日志中
,7Dm p7 /// <param name="message">需要记录的文本信息</param>
Qk2*=BVh /// </summary>
O/.8;.d;4Y public static void WriteError(String message)
0nPg`@e . {
Ca["tks WriteLog(TraceLevel.Error, message);
.npD<* }
>r>pM(h P>EG;u@. /// <summary>
cwE?+vB /// 将警告信息记录到Win2000/NT事件日志中
SveP:uJA[ /// <param name="message">需要记录的文本信息</param>
%O9P|04]3 /// </summary>
p
~pl| public static void WriteWarning(String message)
"^)$MAZ {
/Yj; '\3 WriteLog(TraceLevel.Warning, message);
pS "A{k)i }
JLGC'mbJ Ip0`R+8 /// <summary>
uHuL9Q^ /// 将提示信息记录到Win2000/NT事件日志中
qN'%q+n /// <param name="message">需要记录的文本信息</param>
oXQI"?^+ /// </summary>
l!<(}?u9 public static void WriteInfo(String message)
RF
[81/w] {
*QT7\ht3 WriteLog(TraceLevel.Info, message);
t(99m=9> }
p'kB1)~| /// <summary>
4}t$Lf_ /// 将跟踪信息记录到Win2000/NT事件日志中
q}]z8 L /// <param name="message">需要记录的文本信息</param>
iow"X6_l_ /// </summary>
Wb5n> * public static void WriteTrace(String message)
[+!~RV_ {
!jg<
S>S5 WriteLog(TraceLevel.Verbose, message);
-n:;/ere7- }
g*WY kv 3F9 dr@I.7 /// <summary>
lQL/I[} /// 格式化记录到事件日志的文本信息格式
$\aJ.N6rb /// <param name="ex">需要格式化的异常对象</param>
4|hfzCjMI /// <param name="catchInfo">异常信息标题字符串.</param>
yPf,GB" /// <retvalue>
LYuMR,7E /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
MFz6y":~ /// </retvalue>
Cy5M0{ /// </summary>
*iUR1V Y public static String FormatException(Exception ex, String catchInfo)
?s]?2>p {
;y;UgwAM StringBuilder strBuilder = new StringBuilder();
M1eM^m8U if (catchInfo != String.Empty)
:m0pm@ {
L;U?s2&Y strBuilder.Append(catchInfo).Append("\r\n");
$*j)ey> }
z
J V>; strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
G)gPL]C0 return strBuilder.ToString();
c^~R%Bx }
km,@yU l Ma|| /// <summary>
;It1i`!R /// 实际事件日志写入方法
ahR-^^'$ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
,Qt2 ? /// <param name="messageText">要记录的文本.</param>
wc ;^C?PX /// </summary>
IIAm"=* private static void WriteLog(TraceLevel level, String messageText)
Y+C6+I<3 {
([NS% try
&g!yRvM!;Q {
p@3 <{kLm EventLogEntryType LogEntryType;
} DjbVYH switch (level)
.G>6_n3 {
&ZJ$V case TraceLevel.Error:
wx^1lC2 LogEntryType = EventLogEntryType.Error;
Sr-!-eC break;
T9AFL;1 case TraceLevel.Warning:
[ak[ZXC, LogEntryType = EventLogEntryType.Warning;
mpzm6Ieu break;
(wp?tMN5# case TraceLevel.Info:
bKQ-PM&I/t LogEntryType = EventLogEntryType.Information;
mW#p&{ break;
`<?((l%;R case TraceLevel.Verbose:
F D.L{ LogEntryType = EventLogEntryType.SuccessAudit;
Lmc"qFzK break;
lmx'w default:
O*1la/~m LogEntryType = EventLogEntryType.SuccessAudit;
u:>*~$f
break;
t7/a5x }
!I Byv%m&\ cKt8e^P EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
4K! @9+Mz //写入事件日志
5xc-MkIRL eventLog.WriteEntry(messageText, LogEntryType);
`IK3e9QpcA eSSv8[u }
0*:4@go0}i catch {} //忽略任何异常
b$}@0 }
6S?*z
`v } //class ApplicationLog
FD^s5>"Y+ }
mg
*kB:p #.<(/D+ 12.Panel 横向滚动,纵向自动扩展
ys9MV%* <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Es+BV+x[.c 'Inqa;TQz 13.回车转换成Tab
88+J(^y> <script language="javascript" for="document" event="onkeydown">
HNV"'p; if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Cc` )P>L event.keyCode=9;
Q46sPMH+_ </script>
Q".AmHn
MU~nvs;: onkeydown="if(event.keyCode==13) event.keyCode=9"
mTZgvPJ! I@YX-@&7 14.DataGrid超级连接列
oHx =Cg; DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
0^3@>>^ ~'/_q4 15.DataGrid行随鼠标变色
1{bsh?zd private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
lHSuT2)x; {
_"sFLe{
if (e.Item.ItemType!=ListItemType.Header)
!,N),xG}~ {
si|b>R&Z e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
cz$q~)I$ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
d=:&tOCg2 }
0& ?/TSC }
g}'(V>( l}mzCIw% 16.模板列
}t.VH:02y <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
D(Yq<%Q <ITEMTEMPLATE>
-_~T;cj6 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
6Er%td)f </ITEMTEMPLATE>
\:91BQP
c </ASP:TEMPLATECOLUMN>
=]F15:%Zq \B
D'" <ASP:TEMPLATECOLUMN headertext="选中">
.p(~/MnO <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
=j !Ruy1 <ITEMTEMPLATE>
JS! <ASP:CHECKBOX id="chkExport" runat="server" />
I)F3sS45} </ITEMTEMPLATE>
[&p^h <EDITITEMTEMPLATE>
%-~T;_. <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
} T1~fa </EDITITEMTEMPLATE>
HtGGcO'bqg </ASP:TEMPLATECOLUMN>
s~Od(,K zmh3
Qa( 后台代码
F#$[jh$ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
ejC== Fkc {
N;d@)h(N! //改变列的选定,实现全选或全不选。
*27*&&=)H CheckBox chkExport ;
&l NHNu[ if( CheckAll.Checked)
C!aK5rqhv {
|{H-PH*Iz foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
>L>t$1hXM {
e{33%5 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
_rf chkExport.Checked = true;
8k`rj; }
(3+:/,{'$ }
sz%'=J~!V else
Mlr}v^"G {
zE\@x+k. foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
M/mUY {
P(&9S` I chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
VwV`tKit chkExport.Checked = false;
T'nQj<dBt: }
naoH685R4 }
Qs.g% }
-l`1j6 pn6!QpV5 17.数字格式化
~wsDg[ P2;I0 ! 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
0qrsf! <%#Container.DataItem("price","{0:¥#,##0.00}")%>
7I_lTu( Y l1sAf/ int i=123456;
s8]9OG3g string s=i.ToString("###,###.00");
csF!*!tta #7~M1/eH=t 18.日期格式化
kM
T73OI>_ 2v6QUf 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
DIurFDQSS Ge]2g0 显示为: 2004-8-11 19:44:28
;f7;U=gl, XABI2Ex 我只想要:2004-8-11 】
>-{)wk;1& <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
E)dV;1t )m Uc
!TP 应该如何改?
dT9!gNvQ RjS&^uaP 【格式化日期】
n(#159pZ -S"$S16D 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
er?'o1M PDnwaK 【日期的验证表达式】
zi*2>5g `2@t) : A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
o(I[_oUy\ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
007SA6xq HV??B : B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
`% x6;Ha ^\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]))$
:+SpZ> &T8prE? 【大小写转换】
/ 1jb8w' HttpUtility.HtmlEncode(string);
Tv&-n HttpUtility.HtmlDecode(string)
{1y-*@yU( "gD)Uis 19.如何设定全局变量
(f 0p pA*cF!tq7 Global.asax中
/f9jLY+ @i9T),@ Application_Start()事件中
5]&vs!wH pOn>m1| 添加Application[属性名] = xxx;
.1.Bf26}d 8S>T1st 就是你的全局变量
|"Js iT &\$l%icuo 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
&r6VF/ ~ (xIG HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
s|U?{Byb! Mlp[xk| 【ASPNETMENU】点击菜单项弹出新窗口
' [fo VR>;{>~ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
$^Dx4:k<2 <?xml version="1.0" encoding="GB2312"?>
3+;}2x0-F <MenuData ImagesBaseURL="images/">
byYdX'd. <MenuGroup>
05\A7.iy <MenuItem Label="内参信息" URL="Infomation.aspx" >
{iqH 27\E <MenuGroup ID="BBC">
V=}b>Jo2j <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
9tVA.:FOZ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
`":ch9rK ......
VN[h0+n4Th RpE69:~PV 最好将你的aspnetmenu升级到1.2版
Y" s1z<? Dq!Vo ;s2 21.读取DataGrid控件TextBox值
-i@1sNx&' foreach(DataGrid dgi in yourDataGrid.Items)
cPxA
R]'U {
$up.<qzj TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
8Hf!@p6R+ tb.Text....
xS` %3+| }
oXgKuR 32=Gq5pOc 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
N9D<wAK##) A-O@e
e 〖思归〗
U3 e3 <asp:TemplateColumn HeaderText="数量">
*f:^6h <ItemTemplate>
bmotR8d <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
&UUIiQm~ onkeyup="javascript:DoCal()"
CUT D]:\ />
"SyAOOZ #;Y JR9VN <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
<JKRdIx&1 </ItemTemplate>
LXaT_3; </asp:TemplateColumn>
31LXzQvFG
8?4j- <asp:TemplateColumn HeaderText="单价">
:luVsQ <ItemTemplate>
h5&l#>8& <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
NamBJ\2E1[ onkeyup="javascript:DoCal()"
&inu mc />
8H3|i7.1h -DrR6kGjR <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
x-k}RI ?5nF` [rx </ItemTemplate>
e%&2tf4 </asp:TemplateColumn>
SUXRWFl T^8t<S@` <asp:TemplateColumn HeaderText="金额">
iK6L\'k <ItemTemplate>
d_*'5Eia6 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
N.C<Mo </ItemTemplate>
zR/d:P? </asp:TemplateColumn><script language="javascript">
>C~-*M9 function DoCal()
D*Y4B?, {
(b Q1,y var e = event.srcElement;
^ad
p<?q4 var row = e.parentNode.parentNode;
g]R }w@nJ var txts = row.all.tags("INPUT");
M-u:8dPu if (!txts.length || txts.length < 3)
o+SD(KVn- return;
SIjdwr!+ZZ sTO* var q = txts[txts.length-3].value;
E)m{m$Hb var p = txts[txts.length-2].value;
{[PoLOCI D0tmNV@ if (isNaN(q) || isNaN(p))
*z`_U]tP return;
\X5{>nNh bo rt2k q = parseInt(q);
jQzq(oDQw p = parseFloat(p);
rl9YB %P AoL4#.r3H txts[txts.length-1].value = (q * p).toFixed(2);
[Z|R-{" }
V2cLwQ'0 </script>
s)#FqB8 &IM;Yl (Bd8@}\u_ mc;Z#"kf -
*!R 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。
y~An'+yBa page_load
v'7,(.E page.smartNavigation=true
k'X
v*U [k.|iCD 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 ?
S,Boutd private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
" 4#V$V {
1HG~}E for(int i=0;i<e.Item.Cells.Count-1;i++)
./LD if(e.Item.ItemType==ListItemType.EditType)
>tnQuFKg] {
zRdL-u%(# e.Item.Cells.Attributes.Add("Width", "80px")
3'6%P_S }
TU{^/-l }
Y 9] ~U#afGH$ 26.对话框
o ^L3Xiv private static string ScriptBegin = "<script language=\"JavaScript\">";
XP<wHh private static string ScriptEnd = "</script>";
G=!1P]M{ Zf}]sW$H public static void ConfirmMessageBox(string PageTarget,string Content)
s@K)RhTY {
C3Q[L}X\ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
*z;4.
OX _Iy0-=G ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Vo<V!G{ tvynl;Y/ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
b[Sd$ACd ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
-l<b|`s=w. //Response.Write(strScript);
a:Jsi= }
oCdWf63D X[:Hp`_$ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
[!p>Id
.}S9C]d:a 1.1 取当前年月日时分秒
okJ+Yl.[?7 currentTime=System.DateTime.Now;
5*u0VabC< {^2``NYM_ 1.2 取当前年
eWSA int 年= DateTime.Now.Year;
"l
vPge ciVN-;vi 1.3 取当前月
^%V'l-}/ int 月= DateTime.Now.Month;
lN#W v{
Md4p 1.4 取当前日
Tz3 L#0:j int 日= DateTime.Now.Day;
PjNOeI@G w~hO)1c],: 1.5 取当前时
B}8xA}< int 时= DateTime.Now.Hour;
&{NN!X ?47q0C 1.6 取当前分
x zu)``? int 分= DateTime.Now.Minute;
VVO C-: P:vAU8d> 1.7 取当前秒
yEyx.Mh.Af int 秒= DateTime.Now.Second;
dO}6zQ\ a]-F,M J 1.8 取当前毫秒
<QFT>#@T int 毫秒= DateTime.Now.Millisecond;
iTF`sjL
&2[OH}4 28.自定义分页代码:
8R"c}87 hdt;_qa 先定义变量 :
9`Bmop public static int pageCount; //总页面数
hu0z):>y public static int curPageIndex=1; //当前页面
E|Mu1I]e os0fwv 下一页:
<dl:';@a- if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
6r{NW9y' {
;rZR9fR DataGrid1.CurrentPageIndex += 1;
OjTb2[Q curPageIndex+=1;
UZ7Zzc#g }
L#mf[a@pCn O4J <u-E$ bind(); // DataGrid1数据绑定函数
[E<NEl* =V~pQbZ 上一页:
>J!4x(;Yh if(DataGrid1.CurrentPageIndex >0)
7p*PDoM6` {
VA+
?xk DataGrid1.CurrentPageIndex += 1;
P}hHx<L curPageIndex-=1;
t=o2:p6& }
l
Os91+.% _Y@vO bind(); // DataGrid1数据绑定函数
W5 ^eCYHoi r:0F("},
直接页面跳转:
[AkL6 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
!m8MyZ}% Vc0C@*fVM if(a<DataGrid1.PageCount)
lWr=79 {
ln.'}P this.DataGrid1.CurrentPageIndex=a;
{7swE(N }
EYWRTh y,'M3GGl bind();
`L# pN5 D*.U? 29.DataGrid使用:
0Cd)w4C ?e( y/ 添加删除确认:
n4 A_vz private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
shlMJa? {
vpnQ s#8O foreach(DataGridItem di in this.DataGrid1.Items)
dC+WII`V {
hZ@frbuowk if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
zA/tHlKc {
&zkuL ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
%gUf }
FyleK+D? }
MiHa'90{K }
CqK&J
/8 Kz>bfq7 样式交替:
iY@wg 8ry ListItemType itemType = e.Item.ItemType;
WOBLgM,| *-Y`7=^$ if (itemType == ListItemType.Item )
5B6twn~[ {
\%&BK.t e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
pY@$N&+W e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
-u+@5K;^Y }
2tPW1"M.n else if( itemType == ListItemType.AlternatingItem)
%-9?rOr {
*i LlBE e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Z*uv~0a>9Q e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
I_hus }
Z[9)
hGh (j<FS>## 添加一个编号列:
].ZfTrM] DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
>Sc)?[H DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
_[%2QwAUj* Yf1&"WW4 for(int i=0;i<dt.Rows.Count;i++)
aE aU_f/ {
'NaNh0y dt.Rows["number"]=(i+1).ToString();
zD}@QoB }
X=C*PWa7 a
]~Rp DataGrid1.DataSource=dt;
]'IZ bx: DataGrid1.DataBind();
bsClw P ?^h DataGrid1中添加一个CheckBox,页面中添加一个全选框
SXqWq private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
FR*CiaD1 {
&~4;HjS foreach(DataGridItem thisitem in DataGrid1.Items)
}+mIP:T {
r_R(kns ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
xA7>";sla[ }
(U_`Q1Jo }
vbA<=V*P Kd='l~rby 将当前页面中DataGrid1显示的数据全部删除
JRgrg foreach(DataGridItem thisitem in DataGrid1.Items)
|)TI&T;k {
"Yp:{e if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
.4CCR[Het {
%<dvdIB string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
TEJn;D<1I, Del (strloginid); //删除函数
2uSXC*Phz }
c/Dk*.xy< }
O$eNG$7 )wZ;}O 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
L<D<3g|4 8NF93tqD6 在Application_Start中添加以下代码:
7C;oMh5 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
@ra^0 AppSettings["ConnStr"].ToString();
1>yh`Bp\= 5S9i>B 31. 变量.ToString()
7];AB;0" fk*I}pDx 字符型转换 转为字符串
KIRCye 12345.ToString("n"); //生成 12,345.00
H|\@[:A+ 12345.ToString("C"); //生成 ¥12,345.00
Fok% 12345.ToString("e"); //生成 1.234500e+004
1
b&<De 12345.ToString("f4"); //生成 12345.0000
SAVA6
64 12345.ToString("x"); //生成 3039 (16进制)
k3PFCl~e 12345.ToString("p"); //生成 1,234,500.00%
+x!Hc %[cZ,F= 32、变量.Substring(参数1,参数2);
kJ'rtz4QO :QoW*Gs1 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
AT6o~u!WU \k4em{K 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
.#q]{j@Ot <SCRIPT language="javascript">
~:JoKm`vU <!--
!eu\ShI function gook(pws)
!{1;wC(b {
olv0w;s frm.submit();
d6+$[4w }
2RbK##`vC //-->
WrHY' AAXlBY6Y- </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
fzdWM:g <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
eIDrN%3 <tr>
Xi~7pH <td>
?W 6
:$ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
MD):g@ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
@?2ES@G+Ji <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
)FdS;] .vnQZ*6 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
{1eW*9 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
]5O]=^
u0 ^?V9 </td>
Z g.La<# H/2dVUU </tr>
| LXVf ('~}$%C </form>
Yycfb V/&JArW 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
]*Cq'<h$ `nCVO;B 下面是获取用户输入的登陆信息的代码:
EJW}&e/ string name;
4{QD: D(D name=Request.QueryString["EmailName"];
>Jk]=_% ^O3i)GO try
p:NIRs {
|yinV fZ0C int a=name.IndexOf("@",0,name.Length);
Kh8 f_user.Value=name.Substring(0,a);
im3BQIPR f_domain.Value=name.Substring(a+1,name.Length-(a+1));
4%$#
f_pass.Value=Request.QueryString["Psw"];
HfPu~P }
^]NFr*'! p:;`X! catch
%Ze]6TP/>< {
w{WEYS Script.Alert("错误的邮箱!");
,hOi5,|?L Server.Transfer("index.aspx");
ElA(1o|9I }