1. 打开新的窗口并传送参数:
I8:&Btf kV<)>Gs 传送参数:
2C&%UZim;P response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
d+)L\
`4 &g {_.n, 接收参数:
W.<<azi string a = Request.QueryString("id");
_QCI<|A string b = Request.QueryString("id1");
J4X35H=Z jzw?V9Ijb 2.为按钮添加对话框
U /Fomu Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Ji=iq=S7 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
r $2 vGDo?X~#o 3.删除表格选定记录
w\4m-Z{ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
!X_~|5. string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
|g!#
\ ~(S4/d5 4.删除表格记录警告
T`;M!-)2 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
V0(ABi:d {
TD9`SSpP
switch(e.Item.ItemType)
xUoY|$fI {
GjG3aqP&! case ListItemType.Item :
(o\~2e: case ListItemType.AlternatingItem :
R:p,Hav<q case ListItemType.EditItem:
g{(nt5|^l TableCell myTableCell;
x~^nlnKVf myTableCell = e.Item.Cells[14];
v\FD~ LinkButton myDeleteButton ;
SsZzYj.d myDeleteButton = (LinkButton)myTableCell.Controls[0];
CxV%/ChJ# myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
B.jYU break;
5w9<_W0d default:
v,B\+q/ break;
_Y=yR2O }
mAa]Et. ARo5 Ss{ }
q"oNB-bz E]Q)pZ{Jb 5.点击表格行链接另一页
BD+?Ad? private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
l"8YI sir {
+3CMfYsr8 //点击表格打开
7 >(ygu if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
r0>T7yPAK e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
3\7$)p+c }
qiN'Tuw9 hrF4 a$ 双击表格连接到另一页
t"fD"Xpj >d\I*"C+d 在itemDataBind事件中
kvn6
NiU if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ks$G6WC {
P $S P4F string OrderItemID =e.item.cells[1].Text;
\9^@,kfP ...
"N_?yA#(j e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
tAUMSr|? }
<ZEA&:p AtI,&S#{ 双击表格打开新一页
{VG6m
Hw if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
R2@u[ {
t,_[nu(~8% string OrderItemID =e.item.cells[1].Text;
r.5F^ ...
(Bz(KyD[ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
).xWjVC }
3}+
\&[ iqeGy&F- ★特别注意:【?id=】 处不能为 【?id =】
}p~%GA.=98 6.表格超连接列传递参数
&@+;]t <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
)3 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
@T"385> ^da-R;o] 7.表格点击改变颜色
(n\
cs$ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
";]m]PRAam {
QTH yH e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
?%(*bRV - this.style.color=’buttontext’;this.style.cursor=’default’;");
b8&9pLl }
6s;x@g] }=gGs 写在DataGrid的_ItemDataBound里
<*P1Sd. if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
O/Vue {
g,nE iL e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
XJ9>a-{ this.style.color=’buttontext’;this.style.cursor=’default’;");
0ZN/-2c A# e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
mf#oa~_ }
65v'/m!ys cf9y0 {;U:0BPI3 8.关于日期格式
Nsq%b?# iKwVYL 日期格式设定
.PgkHb=l@ DataFormatString="{0:yyyy-MM-dd}"
r+Y1m\ x{E[qH_1Fm 我觉得应该在itembound事件中
ln5On_Wm e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
&BkNkb 0 =RA6 p 9.获取错误信息并到指定页面
aF:LL>H _PF><ODX2 不要使用Response.Redirect,而应该使用Server.Transfer
q2y:bqLWl @p;4g_F e.g
.;'xm_Gw< // in global.asax
AO6;aT protected void Application_Error(Object sender, EventArgs e) {
F+GQ l if (Server.GetLastError() is HttpUnhandledException)
<S
qbj; Server.Transfer("MyErrorPage.aspx");
b~}}{fm&f M%/D:0 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Ts\7)6|F }
6C:Lq%} )'JSu=Ej 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
6x 0>E^~ B}W^s;h 10.清空Cookie
1K>4i. X Cookie.Expires=[DateTime];
_[x(p6Xp Response.Cookies("UserName").Expires = 0
8'y|cF%U 8Bhng;jX 11.自定义异常处理
4J s>yP //自定义异常处理类
r"+
WUU using System;
S`::f(e using System.Diagnostics;
7j+.H/2 (\j<`"n namespace MyAppException
$aG'.0HW {
]#nAld1cmy /// <summary>
IX}l)t[:( /// 从系统异常类ApplicationException继承的应用程序异常处理类。
39"'Fz?1 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
-?uwlpm# /// </summary>
0*q:p`OLw* public class AppException:System.ApplicationException
IH5thL@D {
B?jF1F!9 public AppException()
tc[PJH&P {
k(MQ:9'| if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
m +gVGK
}
aUnm9ur x\*5A,w{c] public AppException(string message)
O1z>A {
=c|Bu^(Ctw LogEvent(message);
-&c@c@dC }
{PU[MHZF k@w&$M{tPF public AppException(string message,Exception innerException)
E^g6,Y:i9 {
=Zj9F1E[i LogEvent(message);
wdg[pt
/> if (innerException != null)
Th8xh=F[ {
;RU)Q)a) LogEvent(innerException.Message);
_Qv4;a }
?F-,4Ox{/ }
1xw},y6T2 Uc4r //日志记录类
J(Bn
n using System;
eu#| | using System.Configuration;
m'pihFR:f using System.Diagnostics;
\ .:CL?m# using System.IO;
\R~Lf+q using System.Text;
dgO2fI using System.Threading;
5+U~ZW0|+ I0Vm^\8 namespace MyEventLog
8w{V[@QLn {
xe5>)\18- /// <summary>
dWI\VS 9 /// 事件日志记录类,提供事件日志记录支持
w(vf>L6( /// <remarks>
9`xq3EL2T /// 定义了4个日志记录方法 (error, warning, info, trace)
2uB.0
/// </remarks>
`p!.K9r7 /// </summary>
4o%hH public class ApplicationLog
^#G>P0mG% {
(vY10W{ /// <summary>
wtZe\h /// 将错误信息记录到Win2000/NT事件日志中
F*a+&% Q /// <param name="message">需要记录的文本信息</param>
t<e?f{Q5 /// </summary>
kr3ZqMfeI public static void WriteError(String message)
l!oU9 {
u",
[ulP WriteLog(TraceLevel.Error, message);
pPIH`Iq }
Va1|XQ<CL I} j!
! /// <summary>
}>grGr%oR /// 将警告信息记录到Win2000/NT事件日志中
pD){K /// <param name="message">需要记录的文本信息</param>
qWWy}5SOm /// </summary>
C4b3ZcD2 public static void WriteWarning(String message)
;N)qNiJY {
cM55
vVd WriteLog(TraceLevel.Warning, message);
er 97&5 }
P|G:h& n|(Y?`( /// <summary>
z8gp<5= /// 将提示信息记录到Win2000/NT事件日志中
n.XT-X^ /// <param name="message">需要记录的文本信息</param>
?f a/}|T /// </summary>
towQoqv public static void WriteInfo(String message)
f5'+F-`N {
W{k}ogI; WriteLog(TraceLevel.Info, message);
%cBJ haR{( }
'06[@Cw /// <summary>
,\Cy'TSz /// 将跟踪信息记录到Win2000/NT事件日志中
6n>+cX>E /// <param name="message">需要记录的文本信息</param>
&ed.%: /// </summary>
P*\.dAi public static void WriteTrace(String message)
]E, {
=s;7T!7! WriteLog(TraceLevel.Verbose, message);
$[IuEdc/ }
OYe @P .rwZ`MP /// <summary>
P}cGWfj /// 格式化记录到事件日志的文本信息格式
).k=[@@V /// <param name="ex">需要格式化的异常对象</param>
ETYw /// <param name="catchInfo">异常信息标题字符串.</param>
O%rjY /// <retvalue>
*`|F?wF /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
XWK A0 /// </retvalue>
v\Q${6kEtx /// </summary>
(d@lG*K public static String FormatException(Exception ex, String catchInfo)
1;SWfKU?. {
c\n\gQ:LQ StringBuilder strBuilder = new StringBuilder();
`2{x8A if (catchInfo != String.Empty)
<
=sO@0(< {
K4y4!zz strBuilder.Append(catchInfo).Append("\r\n");
`^RpT]S }
{gzL}KL strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
EWbFy"= return strBuilder.ToString();
xaejG/'iK }
7QzUw SeKU?\ /// <summary>
!5pnl0D K* /// 实际事件日志写入方法
j:rGFd /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
$
-;,O8yR /// <param name="messageText">要记录的文本.</param>
5r@x$* >e /// </summary>
ij/ |~-! private static void WriteLog(TraceLevel level, String messageText)
@ 3FTf"#Y {
U ^[<G6<9] try
7?e*b(vd {
vWwp'q EventLogEntryType LogEntryType;
e;!si>N switch (level)
g;vG6!;E\ {
(J5E]NV case TraceLevel.Error:
=ejkE;
%L LogEntryType = EventLogEntryType.Error;
S$ dFz break;
Q!MS_
#O case TraceLevel.Warning:
#\Lt0 LogEntryType = EventLogEntryType.Warning;
2B5Z0< break;
m%l\EE case TraceLevel.Info:
/qEoiL### LogEntryType = EventLogEntryType.Information;
B_nim[72 break;
.XTBy/(0 case TraceLevel.Verbose:
?~hC.5 LogEntryType = EventLogEntryType.SuccessAudit;
:,% vAI break;
<t&0[l default:
)y_MI
r LogEntryType = EventLogEntryType.SuccessAudit;
Fd9ypZs break;
d_]zX;_ }
RoT}L#!! N
=)9O EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Bk*AO?3p //写入事件日志
Q"S;r1 D eventLog.WriteEntry(messageText, LogEntryType);
Az{Z=:(0 g&) XaF[! }
G)G5eXXX catch {} //忽略任何异常
?x=;?7 }
LDx1@a|83 } //class ApplicationLog
+.:- : }
):31!IC #zyEN+ 12.Panel 横向滚动,纵向自动扩展
I4,C-D <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
L
slI!.( N\BB8<F 13.回车转换成Tab
?V3e;n <script language="javascript" for="document" event="onkeydown">
QJjqtOf> if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
3a_~18W event.keyCode=9;
ZG"_M@S. </script>
5L'X3g
|1uyJ?%B onkeydown="if(event.keyCode==13) event.keyCode=9"
uPQ:}zL2 3{O^q/R 14.DataGrid超级连接列
{}y"JbXMj DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
>$j?2,Za(V .Ce30VE- 15.DataGrid行随鼠标变色
v=R=K private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
V)mitRaV {
pqmtN*zV if (e.Item.ItemType!=ListItemType.Header)
|VQ17*4ff1 {
8m\*~IX= e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
gi#bU e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
+`>Tuz~ }
~7IXJeon }
"AMbU68 |
U ) 16.模板列
#(=8
RA:@ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
g4EC[>5!r <ITEMTEMPLATE>
qwM71B!r <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
ZxFRE#y~2 </ITEMTEMPLATE>
2+m%f" </ASP:TEMPLATECOLUMN>
@(<C { rozp <ASP:TEMPLATECOLUMN headertext="选中">
| vL0}e <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
jgNdcP <ITEMTEMPLATE>
E<]O,z;F <ASP:CHECKBOX id="chkExport" runat="server" />
agp`<1h9 </ITEMTEMPLATE>
GH[ATL <EDITITEMTEMPLATE>
+}[M&D <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
sxkWg> </EDITITEMTEMPLATE>
?Dm={S6 </ASP:TEMPLATECOLUMN>
&c>%E%!" 3 }~.#`QeY 后台代码
wrI66R}@ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
uj;tmK>; {
jwhc;y //改变列的选定,实现全选或全不选。
dxfF.\BFDn CheckBox chkExport ;
|C"(K-do if( CheckAll.Checked)
=z#6mSx|W
{
i[_B~/_ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
|Lf>Z2E {
tqbYrF) chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
7vZtEwC)n chkExport.Checked = true;
ZEa31[@B[ }
@
>_v/U' }
AUjZYp else
a4aM.o {
Wg{ 9X#| foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
]t0]fb[J {
W cOyOv chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
*Cf5D6=Q chkExport.Checked = false;
{02$pO }
c[VVCN8dA }
rZ`+g7&^Fh }
,Y9bXC8+dU ~P!\;S 17.数字格式化
x9\z^GU%H eLF xGZ Z 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
u|(;SY <%#Container.DataItem("price","{0:¥#,##0.00}")%>
hvW FzT5 lEAf\T7 int i=123456;
8_$[SV$q string s=i.ToString("###,###.00");
F^4mO| iepolO= 18.日期格式化
k0r93xa u-</G-y 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
wH]5VltUT1 Z?JR6;@W 显示为: 2004-8-11 19:44:28
"xWrYq'" !U::kr=t 我只想要:2004-8-11 】
y[`>,?ns5 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
N$ oQK( _ \&vA5- 应该如何改?
Mbm'cM&} !#&`1cYX 【格式化日期】
xu%_Zt2/?j Dxvizd>VU 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
1FA:"0lO (}B3df 【日期的验证表达式】
E)>.2{]C> okm
}%#| A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
*RYok{w ^((\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})))?$
P*6h$T Hnft1
B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
VEsIhjQ ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
6+UTEw; ^=Dz)95c 【大小写转换】
s@02?+/ HttpUtility.HtmlEncode(string);
Q6PaT@gs HttpUtility.HtmlDecode(string)
E4N/or DbWaF5\yD 19.如何设定全局变量
x`:c0y9uG PQj 'D<G Global.asax中
XgI;2Be+&a
o'EJ,8 Application_Start()事件中
*q&^tn b ;{lb_du2: 添加Application[属性名] = xxx;
~Z`Cu~7 '[Zgwz;z 就是你的全局变量
I3qTSX- x$hT+z6DUC 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
$sxRRem{? 9 1.gE*D HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
N
T>[
2< 3p1U,B} 【ASPNETMENU】点击菜单项弹出新窗口
kk>z,A4
h_ *$]50 \W 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
2WK c;? <?xml version="1.0" encoding="GB2312"?>
p!o-+@ava <MenuData ImagesBaseURL="images/">
{nPiIPH <MenuGroup>
v\lKY*@f <MenuItem Label="内参信息" URL="Infomation.aspx" >
I:6H65(& <MenuGroup ID="BBC">
70<{tjyc <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
,Dab( <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
??#SQSU ......
V_3K((P6 'pnOHT 最好将你的aspnetmenu升级到1.2版
!tzk7D M ]Hf>7p 21.读取DataGrid控件TextBox值
CzDV^Iv;Q{ foreach(DataGrid dgi in yourDataGrid.Items)
;&dMtYb {
~_SRcM{ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
yGY:EvH^? tb.Text....
V]Rt[l] }
|b4f3n Skg}/Ek 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?
+!Q*ie+q S3UJ)@
E 〖思归〗
u!-v1O^[ <asp:TemplateColumn HeaderText="数量">
4L bll%[9 <ItemTemplate>
XL7||9,(h <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
:85QwN]\ onkeyup="javascript:DoCal()"
TKp2C5bX />
'':MhRb
x7xMSy <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
B[IWgvB(e </ItemTemplate>
!]3kFWs </asp:TemplateColumn>
MTip4L W9 cT5BBR <asp:TemplateColumn HeaderText="单价">
bkuJN% <ItemTemplate>
^[&,MQU{7 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Wl7S<>hg4 onkeyup="javascript:DoCal()"
Q?V+
0J />
-TMg9M4 9m.MGJbQ_f <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Wn{MY=5Y "TI>_~ </ItemTemplate>
%'uei4 </asp:TemplateColumn>
/|8rVYSs a/</P
|UG <asp:TemplateColumn HeaderText="金额">
||L^yI~_d <ItemTemplate>
&5[B\yv <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Wo(m:q(Om </ItemTemplate>
~/qBOeU3 </asp:TemplateColumn><script language="javascript">
3a|pk4M function DoCal()
h1H$3TpP {
&hUEOif var e = event.srcElement;
\.'[!GE *c var row = e.parentNode.parentNode;
1Va=.#< var txts = row.all.tags("INPUT");
F9"Xu-g if (!txts.length || txts.length < 3)
Wecxx^vtv6 return;
Vr@tSc& R^mkQb>m. var q = txts[txts.length-3].value;
"G^TA:O:= var p = txts[txts.length-2].value;
c^r WS&)P Zoy)2E{ if (isNaN(q) || isNaN(p))
18Vn[}]" return;
6L;]5)# ==UYjbuU q = parseInt(q);
p~NHf\ p = parseFloat(p);
][KlEE>W2 O^PN{u txts[txts.length-1].value = (q * p).toFixed(2);
_e/Bg~ }
{1_<\~J </script>
YG /@=Z. n.i8?: {V pk o l3*GQ~m7 PCHKH 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
~MP |L?my page_load
;%Px~g page.smartNavigation=true
NG`Y{QT6N K$:+]fJK 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 ?
}g@
'^v private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
Sl-9im1 {
:+
mULUi for(int i=0;i<e.Item.Cells.Count-1;i++)
t3!OqM if(e.Item.ItemType==ListItemType.EditType)
]Ok'C"V(j {
(S4HU_,88 e.Item.Cells.Attributes.Add("Width", "80px")
L[Ot$ }
6Xz d>5x }
8#\|Y~P 6i%6u=um3 26.对话框
,
@!X!L private static string ScriptBegin = "<script language=\"JavaScript\">";
VR .t private static string ScriptEnd = "</script>";
XUKlgl!+. WNZYs public static void ConfirmMessageBox(string PageTarget,string Content)
?"^{:~\N {
lSBR(a<\y string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
p_
f<@WE ' <xE0< ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
y Z[=Y Y
mL{uV$ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
zVa&4 T- ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
,q>cFsY=i? //Response.Write(strScript);
`GkCOx, }
a#{"3Z2| :b*7TJ\grN 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
:|$cG~'J V2|By,. 1.1 取当前年月日时分秒
{F2Rv currentTime=System.DateTime.Now;
qpMcVJL f,F1k9-1! 1.2 取当前年
W/%hS)75 int 年= DateTime.Now.Year;
[& Z-
*a 7{(UiQbf 1.3 取当前月
KK5;6b int 月= DateTime.Now.Month;
fm@Pa} , z9g ++]rkJ 1.4 取当前日
U[|5:qWs int 日= DateTime.Now.Day;
3tCTPZy &F/-%l! 1.5 取当前时
Q"B8l[ int 时= DateTime.Now.Hour;
6^t#sEff] 6%h%h: e 1.6 取当前分
Ov<c1y;f int 分= DateTime.Now.Minute;
'l=>H#}<B $8i`h}AM 1.7 取当前秒
R<Mc+{*> int 秒= DateTime.Now.Second;
%8D>aS U `^,E4Q y 1.8 取当前毫秒
oH+PlL int 毫秒= DateTime.Now.Millisecond;
XI ;] c5 8nu!5 3 28.自定义分页代码:
Pc =ei FwlDP 先定义变量 :
!mTq6H12 ! public static int pageCount; //总页面数
vBOY[>= public static int curPageIndex=1; //当前页面
p^*a>d:d] /8Y8-&K0 下一页:
RRPPojKZ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
B`<}YVA {
3cgq'ob DataGrid1.CurrentPageIndex += 1;
TIZ2'q5wg curPageIndex+=1;
4r`I) }
<8;~4"'a 38T]qz[Sn bind(); // DataGrid1数据绑定函数
l`N4P )DhE~ 上一页:
;"u,G! if(DataGrid1.CurrentPageIndex >0)
W^h,O+vk {
tM;cvc`/ DataGrid1.CurrentPageIndex += 1;
A_\Jb}J1< curPageIndex-=1;
xGQP*nZ }
W4&8 [uHU[
sG bind(); // DataGrid1数据绑定函数
Z{BK@Q4z R.*;] R>M 直接页面跳转:
}~|`h1JF int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
Uz_p-J0 =.;ib6M if(a<DataGrid1.PageCount)
Za1mI^ L1 {
xjiV9{w this.DataGrid1.CurrentPageIndex=a;
z/`+jIB }
l^ay*H Jw@X5-(Cp bind();
x'|9A?ez@Z Jk-WD"J6 29.DataGrid使用:
\XmplG: f.uuXK 添加删除确认:
bR)P-9rs private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
u &1M(~Ub= {
i8k} B
o foreach(DataGridItem di in this.DataGrid1.Items)
fMFkA(Of^ {
&"JC8 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
yQUrHxm {
jvsSP?]n ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
Zs79,*o+0M }
~dEo^vJD }
-k7b#
+T }
$(;Ts)P Ycm .qud
? 样式交替:
~EY)c~H ListItemType itemType = e.Item.ItemType;
3'kKbrk [ K"XwSZ/ if (itemType == ListItemType.Item )
T@.+bD {
&Pm@+ML*x e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
P$Vh{]4i{ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
fsPNxy"_ }
^8~TsK~ else if( itemType == ListItemType.AlternatingItem)
8 <;.[l {
DvQV_D e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
J.: e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
lqv}~MC }
C(v'7H{4cW #K:iB* 添加一个编号列:
1="]'!2Is DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
fqbeO 9x DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
VnSO>O 9)]`le for(int i=0;i<dt.Rows.Count;i++)
eA(\#+)X ` {
Ncbe{}<md dt.Rows["number"]=(i+1).ToString();
XrTc5V }
{$[0YRNk
u q`{@@[/(y DataGrid1.DataSource=dt;
w9GY/] DataGrid1.DataBind();
75^*4[ @H$am DataGrid1中添加一个CheckBox,页面中添加一个全选框
GY-4w@Wl private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
8aVQW_m} {
/<LjD foreach(DataGridItem thisitem in DataGrid1.Items)
"?6*W"N9 {
N?{Zrff2"O ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
9NVtvBA }
[ _xOz4`% }
q1 q~%+Jy nt|n[-} 将当前页面中DataGrid1显示的数据全部删除
/];N 1 foreach(DataGridItem thisitem in DataGrid1.Items)
85io%>&0 {
9-m_
e=jk6 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
~h8k4eM {
,Aq, f$5V string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
c/bT5TIEWs Del (strloginid); //删除函数
C $])q`9 }
u;^H =7R }
[= E=H*j vFJ4`Gjw( 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)
HI D6h! 8q9^ 在Application_Start中添加以下代码:
l2Py2ZI-b Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
b_{+O qI AppSettings["ConnStr"].ToString();
`k
I}p KS~Q[-F1P 31. 变量.ToString()
&f 'Lll `O3#/1+ 字符型转换 转为字符串
Om:Gun\% 12345.ToString("n"); //生成 12,345.00
1iR\M4?Frf 12345.ToString("C"); //生成 ¥12,345.00
#Qz9{1\G 12345.ToString("e"); //生成 1.234500e+004
av(qV$2 12345.ToString("f4"); //生成 12345.0000
7eM6 B#rI 12345.ToString("x"); //生成 3039 (16进制)
EMH-[EBx 12345.ToString("p"); //生成 1,234,500.00%
EiM\`"o w\d1 32、变量.Substring(参数1,参数2);
6I=d0m.io gPKO-Fsd" 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
%`G}/" mL}Wan 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
Iu~(SKr=|$ <SCRIPT language="javascript">
u_ :gqvC= <!--
9} C(M?d function gook(pws)
L)|hjpQ {
FN sSJU3ld frm.submit();
<]S
M$)=D }
nrpbQ(zI* //-->
T[},6I|! NODE`VFu </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
?=iy 6q <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
7[ kDc- <tr>
u^ wGVg <td>
96F+I!qC <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
^JIs:\g<< <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
GF<SQHL, <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
w"Zws[pm] z9AX8k(B6 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
E0r#xmk <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
:]\-GJV5 ezJ^
r,D| </td>
M#],#o*G 9J49s1 </tr>
u`+kH8# /6N!$*8 </form>
/WAOpf5 `a7b,d 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。
K^AIqL8 8.`5"9Vh 下面是获取用户输入的登陆信息的代码:
p_g8d&]V string name;
\@6w;tyi name=Request.QueryString["EmailName"];
B$97"$#u !qs~j=;y3 try
G"yhu + {
G\f:H%[5[ int a=name.IndexOf("@",0,name.Length);
'OYnLz`"6 f_user.Value=name.Substring(0,a);
, YE+k`: f_domain.Value=name.Substring(a+1,name.Length-(a+1));
G8W^XD f_pass.Value=Request.QueryString["Psw"];
:Ot5W }
a!x?Apww <