1. 打开新的窗口并传送参数:
4N&4TUIM Ys8p,.OMs 传送参数:
>U/m/H' response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
#sLyU4QV )%D2JC 接收参数:
X"yjsk string a = Request.QueryString("id");
1an?/j, string b = Request.QueryString("id1");
s&-m!|P tz0_S7h 2.为按钮添加对话框
q.]>uBAQ? Button1.Attributes.Add("onclick","return confirm(’确认?’)");
y^"[^+F3 . button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
3R!?r^h UOTM>d1P 3.删除表格选定记录
d^5OB8t int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
kaBP&6|Z
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
"o+E9'Dm I"/p^@IX 4.删除表格记录警告
Er; @nOyD private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
h *J=F0KM {
hq}kAv4B= switch(e.Item.ItemType)
>0yx!Iao {
YcJZG|[ case ListItemType.Item :
|TCHPKN case ListItemType.AlternatingItem :
6|q\ M case ListItemType.EditItem:
Qs24b
TableCell myTableCell;
NYS|fa myTableCell = e.Item.Cells[14];
{Vy2uow0 LinkButton myDeleteButton ;
}cDw9;~D myDeleteButton = (LinkButton)myTableCell.Controls[0];
laVqI|0q myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
`Mj>t( break;
? OrRTRW default:
zd1X(e<|{ break;
"YY6_qQR' }
o[C,fh,$ }Yd7<"kp }
7GN>o@ t O>P792) 5.点击表格行链接另一页
)TNAgTmqK private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@f<q&K%FJ {
:__z?<?( //点击表格打开
KW^#DI6tr if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
qY^OO~[ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
t?&
a?6:J }
1=fP68n W(
O)J$j 双击表格连接到另一页
M<'AM4 fB~BVYi 在itemDataBind事件中
+6cOL48" if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ZH]n&%@j {
4`(b(DL] string OrderItemID =e.item.cells[1].Text;
fQZ,kl ...
yk1.fxik' e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
AcF6p)@_ }
P+tnXT>nE zoFCHsr 双击表格打开新一页
ZaxBr if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
sxac(L {
qo2/? ]
string OrderItemID =e.item.cells[1].Text;
/%W&zd=%# ...
mJjd2a"vi e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
!U}dYB:O }
.c#G0t<i[ }bwH(OOS ★特别注意:【?id=】 处不能为 【?id =】
Bismd21F6= 6.表格超连接列传递参数
e;QPn( <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
{<\ [gm\X <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
ZbS*zKEW `/WX!4eR, 7.表格点击改变颜色
UZsn14xSA if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
E038p]M! {
!3]}3jZ. e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
!3Xu#^Xxj this.style.color=’buttontext’;this.style.cursor=’default’;");
AQCU\E }
&~ =q1? 8T3j/D<r 写在DataGrid的_ItemDataBound里
3vs;ZBM if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
zq(R !a6 {
Q&p'\6~ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Aw]W- fx this.style.color=’buttontext’;this.style.cursor=’default’;");
r!DUsE e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
$JH_ }
gEFs4;
CN }E?{M~"< K,pQ11J 8.关于日期格式
Q?e]N I^ lIs<&-0 日期格式设定
v.wHj@ DataFormatString="{0:yyyy-MM-dd}"
^cQTRO| )vO?d~x| 我觉得应该在itembound事件中
|2oCEb1 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
3zV{cm0 B?;!j)FUtt 9.获取错误信息并到指定页面
b:OQ/ n2<#]2h 不要使用Response.Redirect,而应该使用Server.Transfer
+YS0yTWeX Gag=GHG e.g
OQ,KQ\ // in global.asax
:BIgrz"Jz protected void Application_Error(Object sender, EventArgs e) {
7od6`k if (Server.GetLastError() is HttpUnhandledException)
%hEhZW{: Server.Transfer("MyErrorPage.aspx");
Oy>V/ $Tc"7nYu //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
W{z7h[?5, }
A^ :/* 3bMQ[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
mW_B|dM" a!n |/9
6 10.清空Cookie
]`p*ZTr)\ Cookie.Expires=[DateTime];
^U[c:Rz Response.Cookies("UserName").Expires = 0
/hx|KC&:e '?WKKYD7N 11.自定义异常处理
jHP6d = //自定义异常处理类
+7HM7cw using System;
+W{ELdup%q using System.Diagnostics;
Het5{Yb. h[%t7qo= namespace MyAppException
3%"r%:fQB/ {
bV'^0(Zv /// <summary>
Sdk:-Zuv /// 从系统异常类ApplicationException继承的应用程序异常处理类。
3&'u7e /// 自动将异常内容记录到Windows NT/2000的应用程序日志
F_Pv\?35z /// </summary>
y.pwj~s public class AppException:System.ApplicationException
@zz4,,] {
G)vq+L5% public AppException()
YIb=rR[ $ {
3k5C;5 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
L=Pz0 }
3,x|w n"p|tEK public AppException(string message)
Stw%OP@? {
0N" VOEvG LogEvent(message);
DH3.4EUWS }
:P!"'&gCL 7U:-zfq public AppException(string message,Exception innerException)
O@[jNs)]. {
F@+FXnz LogEvent(message);
{
S]"-x if (innerException != null)
tH7@oV; {
9e`.H0 LogEvent(innerException.Message);
j,HUk,e^& }
tC4:cX }
`^mPq?f 3bCb_Y
//日志记录类
@raw8w\Zj+ using System;
@W{VT7w using System.Configuration;
QT!!KTf using System.Diagnostics;
Py&DnG'H using System.IO;
J\WUBt-M using System.Text;
@|N'V"*MT using System.Threading;
#u<^ ;w\7p a namespace MyEventLog
2}NWFM3C {
k|Xxr /// <summary>
k^x[(gw /// 事件日志记录类,提供事件日志记录支持
R F)Qsa /// <remarks>
WcG!6.U> /// 定义了4个日志记录方法 (error, warning, info, trace)
F|rJ{=x
/// </remarks>
;q8tOvQ /// </summary>
R{GT?
wl public class ApplicationLog
f3g#(1 {
uQ} 0hs /// <summary>
`oDs]90 /// 将错误信息记录到Win2000/NT事件日志中
%[l*:05 /// <param name="message">需要记录的文本信息</param>
\R m2c8Z2 /// </summary>
x]1G u public static void WriteError(String message)
K`BNSdEN> {
#_A <C+[ WriteLog(TraceLevel.Error, message);
$r>\y (W }
lphELPh \0{g~cU4 /// <summary>
2
/rDi /// 将警告信息记录到Win2000/NT事件日志中
$p(,Qz(.8 /// <param name="message">需要记录的文本信息</param>
FuA8vTV{ /// </summary>
y([""z3<w public static void WriteWarning(String message)
%Ydzzr3 {
M[;N6EJH WriteLog(TraceLevel.Warning, message);
Qh3V[br }
QG|KZ8uO vf|lF9@U /// <summary>
} Fw/WD /// 将提示信息记录到Win2000/NT事件日志中
gK`o;` ^ /// <param name="message">需要记录的文本信息</param>
+IRr&J*P /// </summary>
pPC_ub public static void WriteInfo(String message)
0:,8Ce {
X2Z
E9b WriteLog(TraceLevel.Info, message);
yq?7!X }
R%(ww /// <summary>
Hy?+p{{G /// 将跟踪信息记录到Win2000/NT事件日志中
tt|v opz /// <param name="message">需要记录的文本信息</param>
$. ;j4%% /// </summary>
c`hj^t public static void WriteTrace(String message)
t
Q0vX@I<v {
&8l4A=l$ WriteLog(TraceLevel.Verbose, message);
Mp8FYPjZ }
#6jdv|fu r_5k$u( /// <summary>
6I)1[tU /// 格式化记录到事件日志的文本信息格式
&_DRrp0CN /// <param name="ex">需要格式化的异常对象</param>
?r`UBR+[ /// <param name="catchInfo">异常信息标题字符串.</param>
vlHE\%{ /// <retvalue>
x6d0yJ < /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
h`_@eax /// </retvalue>
@V9qbr=Z /// </summary>
TQcEe@$) public static String FormatException(Exception ex, String catchInfo)
h-^7cHI} {
L>,j*a_[ StringBuilder strBuilder = new StringBuilder();
@YH<Hc if (catchInfo != String.Empty)
D<.zdTo {
!uC`7a strBuilder.Append(catchInfo).Append("\r\n");
}G:5P3f }
3#IU^6l:1S strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
RWN2P6 return strBuilder.ToString();
#ny&bJj }
np>RxiB^ <hYrcOt /// <summary>
$'9b,- e /// 实际事件日志写入方法
+npcU:(Kg /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
_l i\b- /// <param name="messageText">要记录的文本.</param>
%(EUZu2 /// </summary>
i$Rlb5RU private static void WriteLog(TraceLevel level, String messageText)
SO}$96 {
4. &t try
Y|s?9'z {
{29x5J EventLogEntryType LogEntryType;
q ;@:,^ switch (level)
k 5<[N2D|! {
#4WA2EW case TraceLevel.Error:
:%#(<@ { LogEntryType = EventLogEntryType.Error;
\~1>%F'op break;
CoZXbTq case TraceLevel.Warning:
<2\4eusk LogEntryType = EventLogEntryType.Warning;
LPg1 G+e break;
@Ju!|G9z/p case TraceLevel.Info:
NwK(<dzG LogEntryType = EventLogEntryType.Information;
)$#
Ku2X break;
G(4*e! aZ0 case TraceLevel.Verbose:
WIe2j LogEntryType = EventLogEntryType.SuccessAudit;
U 0$?:C+? break;
K?y!zy default:
wbC'SOM LogEntryType = EventLogEntryType.SuccessAudit;
%cWy0:F5VY break;
qJ;T$W=NG }
w
Wx,}= P5:X7[ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
`OY_v=} //写入事件日志
7[V6@K!Al[ eventLog.WriteEntry(messageText, LogEntryType);
B{D!5{t ~[J&n-bJU }
C$Y pk\p catch {} //忽略任何异常
VTDp9s }
5UFR^\e } //class ApplicationLog
$
}u,uI }
/r4QDwu aZe[Nos 12.Panel 横向滚动,纵向自动扩展
yM3]<~m <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Qi_De
'@ =4;GIiF@ 13.回车转换成Tab
?0UzmJV?8 <script language="javascript" for="document" event="onkeydown">
o'W[v0>
L- if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
x?ajTzMv event.keyCode=9;
.K`^n\T
t </script>
'qosw:P G(alM=q onkeydown="if(event.keyCode==13) event.keyCode=9"
u-CC UMR a;Nj'M~U 14.DataGrid超级连接列
HWr")%EhD DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
DhQYjC[ #+1*g4m~B 15.DataGrid行随鼠标变色
]LvpYRU$P private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
[*-DtbEk {
ODGOWw0 if (e.Item.ItemType!=ListItemType.Header)
\#bk$R@ {
6 u3$ .Q e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
UTatcn e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
hM!D6: t }
:Fm{U0;" }
5"f')MKUV9 EM_`` 0^ 16.模板列
zh hHA9 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
YpFh_Zr[ <ITEMTEMPLATE>
4XkSj9D~z <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
IC-k </ITEMTEMPLATE>
{r9fKA </ASP:TEMPLATECOLUMN>
W_zv"c WQ\H2go <ASP:TEMPLATECOLUMN headertext="选中">
DR."C+ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
>*TFM[((Y) <ITEMTEMPLATE>
-U6" Ce <ASP:CHECKBOX id="chkExport" runat="server" />
DA[s k7 </ITEMTEMPLATE>
?i.]|#{Z <EDITITEMTEMPLATE>
'RIlyH~Yf <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
DU6AlNx </EDITITEMTEMPLATE>
!aSu;Ln </ASP:TEMPLATECOLUMN>
ub|tX 'o MZt~
Abt 后台代码
wIW]uo/= protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
!6t
()] {
r^uo7?gZ^ //改变列的选定,实现全选或全不选。
)~q@2^ CheckBox chkExport ;
_,hhO if( CheckAll.Checked)
WcyN,5 {
kfF.Ctr1a foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
HvWnPh1l {
Ns6Vf5T. chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
83*"58 chkExport.Checked = true;
qg;[~JZYKi }
mVYLI!n}0# }
C0\A else
AiXxn'&i {
P^-tGo! foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
R3]Ra&h6N) {
m6P!#=a:l< chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
,UFr??ZKm
chkExport.Checked = false;
^L&hwXAO: }
Y4PB&pZ$O2 }
=sG9]a<I }
]M|Iy~
X +jcg[|-'/ 17.数字格式化
QI@!QU$K& `P&L. m]| 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
W/PZD ( <%#Container.DataItem("price","{0:¥#,##0.00}")%>
$]/a/!d Z3K~C_0Cnu int i=123456;
lFT_J?G$' string s=i.ToString("###,###.00");
'1{#I/P; dP(*IOO. 18.日期格式化
K!q:A+] ER:)Fk>_ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
4Fr0/="H &e\A v.n@- 显示为: 2004-8-11 19:44:28
rC>')`uk zWxKp;. 我只想要:2004-8-11 】
XgUvgJ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
x\vb@!BZ LPgP;%ohO/ 应该如何改?
kve{CO* b {e nD 【格式化日期】
8=^o2& NGHzifaE 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
(,<ti): J[:3H6%` 【日期的验证表达式】
V~y4mpfX !=(~e':Gv A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
N@UO8'"9K& ^((\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})))?$
SSANt?\Z< w,
u`06 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Aj06"ep ^\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]))$
28L3"c PjEKZHHz
【大小写转换】
]XEkQ HttpUtility.HtmlEncode(string);
|qS<{WZ!h HttpUtility.HtmlDecode(string)
y%CaaK=V3 *pN,@ZV$ 19.如何设定全局变量
ms'!E) 9?)r0`:# Global.asax中
<$s G]l!\ DXAA[hUjF Application_Start()事件中
:U`8s# 6g@@V=mf 添加Application[属性名] = xxx;
[{F8+a^ ,4ftQJ 就是你的全局变量
%=J<WA6\ 4a;8XAl 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
v>TI.;{y W P1>) HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
XfFZ;ul `,
?T;JRc 【ASPNETMENU】点击菜单项弹出新窗口
!*wK4UcX" iG*3S) 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
S5ofe]tS@ <?xml version="1.0" encoding="GB2312"?>
KOWx P47b <MenuData ImagesBaseURL="images/">
O$B]#]L+ <MenuGroup>
X]q,A5g <MenuItem Label="内参信息" URL="Infomation.aspx" >
': Gk~ <MenuGroup ID="BBC">
6=]%Y <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
!7SZZz <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
>a98H4 ......
P)~PrTa% 8o~<\eF% 最好将你的aspnetmenu升级到1.2版
AF5.gk= /+G&N{)k 21.读取DataGrid控件TextBox值
Au'[|Prr foreach(DataGrid dgi in yourDataGrid.Items)
wU.K+4-k {
4NxtU/5-sU TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
7SE=otZ> tb.Text....
ANh5-8y }
i*j[j~2>C; 5Bw 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?
3`4g*wO z;UkK 〖思归〗
'sI= *c <asp:TemplateColumn HeaderText="数量">
1cS{3 <ItemTemplate>
T"-HBwl <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
@W|}|V5 onkeyup="javascript:DoCal()"
HUurDgRi] />
@Nb&f<+gi emb~l{K $ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
2E/#fX9!4 </ItemTemplate>
CqDMq ! </asp:TemplateColumn>
HPs$R[ 5:SfPAx <asp:TemplateColumn HeaderText="单价">
w}pFa76rm <ItemTemplate>
@)iv' <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
aX6.XHWbDf onkeyup="javascript:DoCal()"
NL))!Pi />
VF=$'Bl| |r5|IA <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
zEJ|;oL BvpGP </ItemTemplate>
ymybj </asp:TemplateColumn>
e-f_#!bW Gk2\B]{ <asp:TemplateColumn HeaderText="金额">
c]O3pcU <ItemTemplate>
Y;S+2])R2 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
PL<q|y </ItemTemplate>
'.oEyZA;o </asp:TemplateColumn><script language="javascript">
"2(4?P function DoCal()
Y+ P\5G {
r: n^U# var e = event.srcElement;
*iS<]y var row = e.parentNode.parentNode;
G}mJtXT#= var txts = row.all.tags("INPUT");
$Y][-8{t if (!txts.length || txts.length < 3)
2#5SI return;
<R}(UK xtN%v0ZZ var q = txts[txts.length-3].value;
v]gJ 7x var p = txts[txts.length-2].value;
P5Ms
X~mT
Mi.xay% if (isNaN(q) || isNaN(p))
NvXds;EC return;
d$g-u8 %WHue q = parseInt(q);
R@t?!`f!+ p = parseFloat(p);
UO8#8 Z2`(UbG} txts[txts.length-1].value = (q * p).toFixed(2);
]1rr$f9 }
RUm1;MWs </script>
Fsv%=E{ I(ds]E
;_E Z6SM7?d <9YRSE[Ed 3t[2Bd 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。
f&B&!&gZ page_load
U$6N-q page.smartNavigation=true
o6 N54U
[sy 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
2 @Jw?+}vr private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
Ll lyx20U {
PMjqcdBzm for(int i=0;i<e.Item.Cells.Count-1;i++)
fZH:&EP if(e.Item.ItemType==ListItemType.EditType)
F))+a&O {
~oz8B^7i; e.Item.Cells.Attributes.Add("Width", "80px")
>F6'^9| }
pUZe.S>G }
'>_'gR0O %7pT\8E5 26.对话框
>Rs:Fw|jro private static string ScriptBegin = "<script language=\"JavaScript\">";
Z ) qc-~S private static string ScriptEnd = "</script>";
h djv/ bTE%p0 public static void ConfirmMessageBox(string PageTarget,string Content)
"n:z("Q* {
>}GtmnF string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
n
!]_o dGf{d7 D ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
bNp
RGhlV a_w#,^/P Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
aGx`ec*t ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
3J~Q pw0< //Response.Write(strScript);
Jj_E/c" }
i,M<}e1 7qq}wR]] 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
|Spy |,/ C^XJE1D. 1.1 取当前年月日时分秒
#g\O*oYaw currentTime=System.DateTime.Now;
Y~hBVz2g X0+$pJ60 1.2 取当前年
rq Dre`m int 年= DateTime.Now.Year;
DG}t! >`Gys8T 1.3 取当前月
3i=+ [ int 月= DateTime.Now.Month;
fmY=SqQG- F#eZfj~ 1.4 取当前日
A#RA;Dt: int 日= DateTime.Now.Day;
~~,\BhG? ir-srVoXy 1.5 取当前时
(S* T{OgO int 时= DateTime.Now.Hour;
uj,YCJ8UZs *KN ' 0Z@W 1.6 取当前分
(eS4$$g int 分= DateTime.Now.Minute;
v1<3y~'f M%5qx,JQY 1.7 取当前秒
nAG2!2_8 int 秒= DateTime.Now.Second;
Y` Oz\W 9lNO
~8
1.8 取当前毫秒
lX/s Q int 毫秒= DateTime.Now.Millisecond;
b=horvs/! d4t%/ Uh 28.自定义分页代码:
}&Ngh4/ n.n;'p9t@ 先定义变量 :
0#0[E , public static int pageCount; //总页面数
L,M=ogdb public static int curPageIndex=1; //当前页面
(4o_\& wP8Wx~Q= 下一页:
4\a K C%5 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
.z4
fJx {
=<MSM\Rb DataGrid1.CurrentPageIndex += 1;
x>d,\{U curPageIndex+=1;
zBtlkBPu }
#mLF6"A .;)7)% bind(); // DataGrid1数据绑定函数
W0J d2 *] XdjM/hB{fD 上一页:
AX,V*
s if(DataGrid1.CurrentPageIndex >0)
3Cmbt_WV {
Z5/^pyc DataGrid1.CurrentPageIndex += 1;
Y|FF
;[ curPageIndex-=1;
q}p&<k }
#kjN!S*= P~`gWGC} bind(); // DataGrid1数据绑定函数
@?lmho? ]Qm$S5tU 直接页面跳转:
C?m2R(RF int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
w$8Su:g= dU<\FW_ if(a<DataGrid1.PageCount)
jcD_<WSe {
~x^E kE this.DataGrid1.CurrentPageIndex=a;
N^z4I,GV( }
kN_
i0~y@- 8Yc'4v#} bind();
I
,8 hAX@|G. 29.DataGrid使用:
jLo(Uf s:ig;zb 添加删除确认:
~Gm<F .(+ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
:@#9P," {
ZFwUau foreach(DataGridItem di in this.DataGrid1.Items)
uNSaw['0j {
p)v|t/7 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
pW$ZcnU {
'Dw+k;RH ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
F3+
;2GG2 }
2-=Ov@y2k! }
4o?_G[
}
" O0p.o EZnXS"z 样式交替:
d1]CN6 7{G ListItemType itemType = e.Item.ItemType;
3+vbA;R N$]B$vv if (itemType == ListItemType.Item )
9MP_#M7 {
55Z)*JMv e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
(:Di/{i&r5 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Rr#Zcs!G }
!Q[j;f
else if( itemType == ListItemType.AlternatingItem)
y0s=yN_ {
j'r"_*% e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
4P(muOS e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
@'n075)h }
v2eLH:6 jHjap:i`cI 添加一个编号列:
8R|!$P DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
R
6JHRd DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
iB4`w\-o A1>fNilC9 for(int i=0;i<dt.Rows.Count;i++)
0PEg
`Wq {
}@6Tcn1 dt.Rows["number"]=(i+1).ToString();
D!7-(3R }
PgOOFRwP ((0nJJjz DataGrid1.DataSource=dt;
0b=1Ce+0q DataGrid1.DataBind();
3Ye{a<ckK xf2|9Tqt DataGrid1中添加一个CheckBox,页面中添加一个全选框
FgwIOpqE* private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
RW"QUT {
vq?Le j foreach(DataGridItem thisitem in DataGrid1.Items)
4# +i\H` {
WSEw:pln ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
9-:\ NH^; }
[vv $"$z }
,X`w/ 2O ^]rPda# 将当前页面中DataGrid1显示的数据全部删除
|WP}y-Au foreach(DataGridItem thisitem in DataGrid1.Items)
tKS'#y!R {
F/%M`?m"ie if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
B^;"<2b* {
+ /+> : string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
P;8nC:z L Del (strloginid); //删除函数
a
gkw)# }
KBC?SxJSJc }
L2\<iJA}c +H{TV#+r 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)
q4MR9ig1E_ m&MAA^ I 在Application_Start中添加以下代码:
jouA
]E Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
G0%},Q/ AppSettings["ConnStr"].ToString();
>U\1*F,Om, ]`eP"U{ 31. 变量.ToString()
33},lNS| 0RZ[]:( 字符型转换 转为字符串
Oa.84a 12345.ToString("n"); //生成 12,345.00
VW`SqUl 12345.ToString("C"); //生成 ¥12,345.00
&9Kni/ 12345.ToString("e"); //生成 1.234500e+004
-UB XWl 12345.ToString("f4"); //生成 12345.0000
sHqa(ynK 12345.ToString("x"); //生成 3039 (16进制)
G!T_X*^q2U 12345.ToString("p"); //生成 1,234,500.00%
,>p1:pga Xb<>AzEM 32、变量.Substring(参数1,参数2);
7Is:hx|: ]9$iUA%Ef 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);
WAt= T3 -I?8\ 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)
I+{2DY/} <SCRIPT language="javascript">
kqkTz_r|H <!--
Gf=3h4 function gook(pws)
b(_f{R7PY {
do.AesdXaq frm.submit();
38mC+%iC }
b#nI#!p' //-->
xyD2<?dGUb $c{fPFe- </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
~pT1,1 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
}el7@Gv <tr>
F|a'^:Qs <td>
ID:
tTltcc <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
OKPNsN <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
R53^3"q~ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
Xp+lpVcJ r;^%D( <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
s*Nb=v.e9 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
bj6;>Ezp3( d&* c3F </td>
2@N9Zk{{J %Q]3`kxp </tr>
^H0#2hFa e9R H[: </form>
'NMO>[. I&U.5wf 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
@<.ei)cqb L}
"bp 下面是获取用户输入的登陆信息的代码:
A$M8w9 string name;
OdbXna name=Request.QueryString["EmailName"];
ff;~k?L P;`Awp? try
8y']kVg {
-UM|u_ int a=name.IndexOf("@",0,name.Length);
Q=61.lP6 f_user.Value=name.Substring(0,a);
k!ID f_domain.Value=name.Substring(a+1,name.Length-(a+1));
oJZxRm[g$t f_pass.Value=Request.QueryString["Psw"];
7B<,nKd }
8@[S,[ )@ofczl6 catch
jddhX]>I {
q3vv^~ Script.Alert("错误的邮箱!");
]$uC~b Server.Transfer("index.aspx");
+ ZKU2N* }